diff options
450 files changed, 3838 insertions, 3313 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index 2b5d561..c1eb41c 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -206,16 +206,3 @@ Description: when a discarded area is read the discard_zeroes_data parameter will be set to one. Otherwise it will be 0 and the result of reading a discarded area is undefined. -What: /sys/block/<disk>/alias -Date: Aug 2011 -Contact: Nao Nishijima <nao.nishijima.xt@hitachi.com> -Description: - A raw device name of a disk does not always point a same disk - each boot-up time. Therefore, users have to use persistent - device names, which udev creates when the kernel finds a disk, - instead of raw device name. However, kernel doesn't show those - persistent names on its messages (e.g. dmesg). - This file can store an alias of the disk and it would be - appeared in kernel messages if it is set. A disk can have an - alias which length is up to 255bytes. Users can use alphabets, - numbers, "-" and "_" in alias name. This file is writeonce. diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl index 54883de..ac3d001 100644 --- a/Documentation/DocBook/uio-howto.tmpl +++ b/Documentation/DocBook/uio-howto.tmpl @@ -521,6 +521,11 @@ Here's a description of the fields of <varname>struct uio_mem</varname>: <itemizedlist> <listitem><para> +<varname>const char *name</varname>: Optional. Set this to help identify +the memory region, it will show up in the corresponding sysfs node. +</para></listitem> + +<listitem><para> <varname>int memtype</varname>: Required if the mapping is used. Set this to <varname>UIO_MEM_PHYS</varname> if you you have physical memory on your card to be mapped. Use <varname>UIO_MEM_LOGICAL</varname> for logical @@ -553,7 +558,7 @@ instead to remember such an address. </itemizedlist> <para> -Please do not touch the <varname>kobj</varname> element of +Please do not touch the <varname>map</varname> element of <varname>struct uio_mem</varname>! It is used by the UIO framework to set up sysfs files for this mapping. Simply leave it alone. </para> diff --git a/Documentation/blockdev/cciss.txt b/Documentation/blockdev/cciss.txt index 71464e0..b79d0a1 100644 --- a/Documentation/blockdev/cciss.txt +++ b/Documentation/blockdev/cciss.txt @@ -98,14 +98,12 @@ You must enable "SCSI tape drive support for Smart Array 5xxx" and "SCSI support" in your kernel configuration to be able to use SCSI tape drives with your Smart Array 5xxx controller. -Additionally, note that the driver will not engage the SCSI core at init -time. The driver must be directed to dynamically engage the SCSI core via -the /proc filesystem entry which the "block" side of the driver creates as -/proc/driver/cciss/cciss* at runtime. This is because at driver init time, -the SCSI core may not yet be initialized (because the driver is a block -driver) and attempting to register it with the SCSI core in such a case -would cause a hang. This is best done via an initialization script -(typically in /etc/init.d, but could vary depending on distribution). +Additionally, note that the driver will engage the SCSI core at init +time if any tape drives or medium changers are detected. The driver may +also be directed to dynamically engage the SCSI core via the /proc filesystem +entry which the "block" side of the driver creates as +/proc/driver/cciss/cciss* at runtime. This is best done via a script. + For example: for x in /proc/driver/cciss/cciss[0-9]* diff --git a/Documentation/i2c/ten-bit-addresses b/Documentation/i2c/ten-bit-addresses index e989070..cdfe139 100644 --- a/Documentation/i2c/ten-bit-addresses +++ b/Documentation/i2c/ten-bit-addresses @@ -1,22 +1,24 @@ The I2C protocol knows about two kinds of device addresses: normal 7 bit addresses, and an extended set of 10 bit addresses. The sets of addresses do not intersect: the 7 bit address 0x10 is not the same as the 10 bit -address 0x10 (though a single device could respond to both of them). You -select a 10 bit address by adding an extra byte after the address -byte: - S Addr7 Rd/Wr .... -becomes - S 11110 Addr10 Rd/Wr -S is the start bit, Rd/Wr the read/write bit, and if you count the number -of bits, you will see the there are 8 after the S bit for 7 bit addresses, -and 16 after the S bit for 10 bit addresses. +address 0x10 (though a single device could respond to both of them). -WARNING! The current 10 bit address support is EXPERIMENTAL. There are -several places in the code that will cause SEVERE PROBLEMS with 10 bit -addresses, even though there is some basic handling and hooks. Also, -almost no supported adapter handles the 10 bit addresses correctly. +I2C messages to and from 10-bit address devices have a different format. +See the I2C specification for the details. -As soon as a real 10 bit address device is spotted 'in the wild', we -can and will add proper support. Right now, 10 bit address devices -are defined by the I2C protocol, but we have never seen a single device -which supports them. +The current 10 bit address support is minimal. It should work, however +you can expect some problems along the way: +* Not all bus drivers support 10-bit addresses. Some don't because the + hardware doesn't support them (SMBus doesn't require 10-bit address + support for example), some don't because nobody bothered adding the + code (or it's there but not working properly.) Software implementation + (i2c-algo-bit) is known to work. +* Some optional features do not support 10-bit addresses. This is the + case of automatic detection and instantiation of devices by their, + drivers, for example. +* Many user-space packages (for example i2c-tools) lack support for + 10-bit addresses. + +Note that 10-bit address devices are still pretty rare, so the limitations +listed above could stay for a long time, maybe even forever if nobody +needs them to be fixed. diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index cb7f314..f049a1c 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -20,7 +20,7 @@ ip_no_pmtu_disc - BOOLEAN default FALSE min_pmtu - INTEGER - default 562 - minimum discovered Path MTU + default 552 - minimum discovered Path MTU route/max_size - INTEGER Maximum number of routes allowed in the kernel. Increase diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt index 079cb3d..41c8378 100644 --- a/Documentation/serial/serial-rs485.txt +++ b/Documentation/serial/serial-rs485.txt @@ -97,15 +97,23 @@ struct serial_rs485 rs485conf; - /* Set RS485 mode: */ + /* Enable RS485 mode: */ rs485conf.flags |= SER_RS485_ENABLED; + /* Set logical level for RTS pin equal to 1 when sending: */ + rs485conf.flags |= SER_RS485_RTS_ON_SEND; + /* or, set logical level for RTS pin equal to 0 when sending: */ + rs485conf.flags &= ~(SER_RS485_RTS_ON_SEND); + + /* Set logical level for RTS pin equal to 1 after sending: */ + rs485conf.flags |= SER_RS485_RTS_AFTER_SEND; + /* or, set logical level for RTS pin equal to 0 after sending: */ + rs485conf.flags &= ~(SER_RS485_RTS_AFTER_SEND); + /* Set rts delay before send, if needed: */ - rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND; rs485conf.delay_rts_before_send = ...; /* Set rts delay after send, if needed: */ - rs485conf.flags |= SER_RS485_RTS_AFTER_SEND; rs485conf.delay_rts_after_send = ...; /* Set this flag if you want to receive data even whilst sending data */ diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt index 03e2771..91fee3b 100644 --- a/Documentation/sound/alsa/HD-Audio.txt +++ b/Documentation/sound/alsa/HD-Audio.txt @@ -579,7 +579,7 @@ Development Tree ~~~~~~~~~~~~~~~~ The latest development codes for HD-audio are found on sound git tree: -- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git +- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git The master branch or for-next branches can be used as the main development branches in general while the HD-audio specific patches @@ -594,7 +594,7 @@ is, installed via the usual spells: configure, make and make install(-modules). See INSTALL in the package. The snapshot tarballs are found at: -- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/ +- ftp://ftp.suse.com/pub/people/tiwai/snapshot/ Sending a Bug Report @@ -696,7 +696,7 @@ via hda-verb won't change the mixer value. The hda-verb program is found in the ftp directory: -- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/ +- ftp://ftp.suse.com/pub/people/tiwai/misc/ Also a git repository is available: @@ -764,7 +764,7 @@ operation, the jack plugging simulation, etc. The package is found in: -- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/ +- ftp://ftp.suse.com/pub/people/tiwai/misc/ A git repository is available: diff --git a/MAINTAINERS b/MAINTAINERS index 071a996..3523ab0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1789,6 +1789,14 @@ F: include/net/cfg80211.h F: net/wireless/* X: net/wireless/wext* +CHAR and MISC DRIVERS +M: Arnd Bergmann <arnd@arndb.de> +M: Greg Kroah-Hartman <greg@kroah.com> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git +S: Maintained +F: drivers/char/* +F: drivers/misc/* + CHECKPATCH M: Andy Whitcroft <apw@canonical.com> S: Supported @@ -1927,9 +1935,11 @@ S: Maintained F: drivers/connector/ CONTROL GROUPS (CGROUPS) -M: Paul Menage <paul@paulmenage.org> +M: Tejun Heo <tj@kernel.org> M: Li Zefan <lizf@cn.fujitsu.com> L: containers@lists.linux-foundation.org +L: cgroups@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git S: Maintained F: include/linux/cgroup* F: kernel/cgroup* @@ -2584,7 +2594,7 @@ S: Maintained F: drivers/net/ethernet/i825xx/eexpress.* ETHERNET BRIDGE -M: Stephen Hemminger <shemminger@linux-foundation.org> +M: Stephen Hemminger <shemminger@vyatta.com> L: bridge@lists.linux-foundation.org L: netdev@vger.kernel.org W: http://www.linuxfoundation.org/en/Net:Bridge @@ -3718,7 +3728,7 @@ F: fs/jbd2/ F: include/linux/jbd2.h JSM Neo PCI based serial card -M: Breno Leitao <leitao@linux.vnet.ibm.com> +M: Lucas Tavares <lucaskt@linux.vnet.ibm.com> L: linux-serial@vger.kernel.org S: Maintained F: drivers/tty/serial/jsm/ @@ -4304,6 +4314,7 @@ MEMORY RESOURCE CONTROLLER M: Balbir Singh <bsingharora@gmail.com> M: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> M: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> +L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained F: mm/memcontrol.c @@ -4337,7 +4348,7 @@ MIPS M: Ralf Baechle <ralf@linux-mips.org> L: linux-mips@linux-mips.org W: http://www.linux-mips.org/ -T: git git://git.linux-mips.org/pub/scm/linux.git +T: git git://git.linux-mips.org/pub/scm/ralf/linux.git Q: http://patchwork.linux-mips.org/project/linux-mips/list/ S: Supported F: Documentation/mips/ @@ -4470,7 +4481,7 @@ S: Supported F: drivers/infiniband/hw/nes/ NETEM NETWORK EMULATOR -M: Stephen Hemminger <shemminger@linux-foundation.org> +M: Stephen Hemminger <shemminger@vyatta.com> L: netem@lists.linux-foundation.org S: Maintained F: net/sched/sch_netem.c @@ -4947,7 +4958,7 @@ F: drivers/char/ppdev.c F: include/linux/ppdev.h PARAVIRT_OPS INTERFACE -M: Jeremy Fitzhardinge <jeremy@xensource.com> +M: Jeremy Fitzhardinge <jeremy@goop.org> M: Chris Wright <chrisw@sous-sol.org> M: Alok Kataria <akataria@vmware.com> M: Rusty Russell <rusty@rustcorp.com.au> @@ -5985,7 +5996,7 @@ S: Maintained F: drivers/usb/misc/sisusbvga/ SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS -M: Stephen Hemminger <shemminger@linux-foundation.org> +M: Stephen Hemminger <shemminger@vyatta.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/marvell/sk* @@ -7399,8 +7410,8 @@ S: Maintained F: arch/x86/kernel/cpu/mcheck/* XEN HYPERVISOR INTERFACE -M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +M: Jeremy Fitzhardinge <jeremy@goop.org> L: xen-devel@lists.xensource.com (moderated for non-subscribers) L: virtualization@lists.linux-foundation.org S: Supported @@ -7433,7 +7444,8 @@ F: drivers/xen/*swiotlb* XFS FILESYSTEM P: Silicon Graphics Inc -M: Alex Elder <aelder@sgi.com> +M: Ben Myers <bpm@sgi.com> +M: Alex Elder <elder@kernel.org> M: xfs-masters@oss.sgi.com L: xfs@oss.sgi.com W: http://oss.sgi.com/projects/xfs @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 2 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc3 NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 176062a..5df26a9 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -65,6 +65,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y)) +clean-files := *.dtb + quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(LOADADDR) -e $(STARTADDR) \ diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index 1db1143..7df239b 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -20,6 +20,8 @@ #ifndef __ASM_ARM_HARDWARE_L2X0_H #define __ASM_ARM_HARDWARE_L2X0_H +#include <linux/errno.h> + #define L2X0_CACHE_ID 0x000 #define L2X0_CACHE_TYPE 0x004 #define L2X0_CTRL 0x100 diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 7d19425..2b0efc3 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -13,6 +13,7 @@ struct tag; struct meminfo; struct sys_timer; +struct pt_regs; struct machine_desc { unsigned int nr; /* architecture number */ diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index c60a294..4a11237 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -402,6 +402,8 @@ #define __NR_syncfs (__NR_SYSCALL_BASE+373) #define __NR_sendmmsg (__NR_SYSCALL_BASE+374) #define __NR_setns (__NR_SYSCALL_BASE+375) +#define __NR_process_vm_readv (__NR_SYSCALL_BASE+376) +#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 9943e9e..463ff4a 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -385,6 +385,8 @@ CALL(sys_syncfs) CALL(sys_sendmmsg) /* 375 */ CALL(sys_setns) + CALL(sys_process_vm_readv) + CALL(sys_process_vm_writev) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 566c54c..08c82fd 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -360,7 +360,7 @@ __secondary_data: * r13 = *virtual* address to jump to upon completion */ __enable_mmu: -#ifdef CONFIG_ALIGNMENT_TRAP +#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6 orr r0, r0, #CR_A #else bic r0, r0, #CR_A diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index c1b4463..e59bbd4 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi; int machine_kexec_prepare(struct kimage *image) { - unsigned long page_list; - void *reboot_code_buffer; - page_list = image->head & PAGE_MASK; - - reboot_code_buffer = page_address(image->control_code_page); - - /* Prepare parameters for reboot_code_buffer*/ - kexec_start_address = image->start; - kexec_indirection_page = page_list; - kexec_mach_type = machine_arch_type; - kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; - - /* copy our kernel relocation code to the control code page */ - memcpy(reboot_code_buffer, - relocate_new_kernel, relocate_new_kernel_size); - - flush_icache_range((unsigned long) reboot_code_buffer, - (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); return 0; } @@ -100,14 +82,31 @@ void (*kexec_reinit)(void); void machine_kexec(struct kimage *image) { + unsigned long page_list; unsigned long reboot_code_buffer_phys; void *reboot_code_buffer; + + page_list = image->head & PAGE_MASK; + /* we need both effective and real address here */ reboot_code_buffer_phys = page_to_pfn(image->control_code_page) << PAGE_SHIFT; reboot_code_buffer = page_address(image->control_code_page); + /* Prepare parameters for reboot_code_buffer*/ + kexec_start_address = image->start; + kexec_indirection_page = page_list; + kexec_mach_type = machine_arch_type; + kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; + + /* copy our kernel relocation code to the control code page */ + memcpy(reboot_code_buffer, + relocate_new_kernel, relocate_new_kernel_size); + + + flush_icache_range((unsigned long) reboot_code_buffer, + (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); if (kexec_reinit) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 7e7977a..3448a3f 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -461,8 +461,10 @@ static void __init setup_processor(void) cpu_name, read_cpuid_id(), read_cpuid_id() & 15, proc_arch[cpu_architecture()], cr_alignment); - sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS); - sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS); + snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c", + list->arch_name, ENDIANNESS); + snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c", + list->elf_name, ENDIANNESS); elf_hwcap = list->elf_hwcap; #ifndef CONFIG_ARM_THUMB elf_hwcap &= ~HWCAP_THUMB; diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c index 43eadbcc..430da12 100644 --- a/arch/arm/mach-bcmring/core.c +++ b/arch/arm/mach-bcmring/core.c @@ -235,7 +235,7 @@ void __init bcmring_init_timer(void) */ bcmring_clocksource_init(); - sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0"); + sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0"); } struct sys_timer bcmring_timer = { diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c index b52b8de..f4d4d6d 100644 --- a/arch/arm/mach-bcmring/dma.c +++ b/arch/arm/mach-bcmring/dma.c @@ -36,6 +36,7 @@ #include <linux/mm.h> #include <linux/pfn.h> #include <linux/atomic.h> +#include <linux/sched.h> #include <mach/dma.h> /* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */ diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 0a5b229..34bbcbf 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -20,6 +20,7 @@ #include <linux/delay.h> #include <linux/irq.h> #include <linux/bitrev.h> +#include <linux/console.h> #include <asm/system.h> #include <asm/io.h> #include <asm/tlbflush.h> @@ -106,9 +107,8 @@ static int pd_power_down(struct generic_pm_domain *genpd) return 0; } -static int pd_power_up(struct generic_pm_domain *genpd) +static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume) { - struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd); unsigned int mask = 1 << sh7372_pd->bit_shift; unsigned int retry_count; int ret = 0; @@ -123,13 +123,13 @@ static int pd_power_up(struct generic_pm_domain *genpd) for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) { if (!(__raw_readl(SWUCR) & mask)) - goto out; + break; if (retry_count > PSTR_RETRIES) udelay(PSTR_DELAY_US); else cpu_relax(); } - if (__raw_readl(SWUCR) & mask) + if (!retry_count) ret = -EIO; if (!sh7372_pd->no_debug) @@ -137,12 +137,17 @@ static int pd_power_up(struct generic_pm_domain *genpd) mask, __raw_readl(PSTR)); out: - if (ret == 0 && sh7372_pd->resume) + if (ret == 0 && sh7372_pd->resume && do_resume) sh7372_pd->resume(); return ret; } +static int pd_power_up(struct generic_pm_domain *genpd) +{ + return __pd_power_up(to_sh7372_pd(genpd), true); +} + static void sh7372_a4r_suspend(void) { sh7372_intcs_suspend(); @@ -174,7 +179,7 @@ void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd) genpd->active_wakeup = pd_active_wakeup; genpd->power_off = pd_power_down; genpd->power_on = pd_power_up; - genpd->power_on(&sh7372_pd->genpd); + __pd_power_up(sh7372_pd, false); } void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, @@ -227,11 +232,23 @@ struct sh7372_pm_domain sh7372_a3sp = { .no_debug = true, }; +static void sh7372_a3sp_init(void) +{ + /* serial consoles make use of SCIF hardware located in A3SP, + * keep such power domain on if "no_console_suspend" is set. + */ + sh7372_a3sp.stay_on = !console_suspend_enabled; +} + struct sh7372_pm_domain sh7372_a3sg = { .bit_shift = 13, }; -#endif /* CONFIG_PM */ +#else /* !CONFIG_PM */ + +static inline void sh7372_a3sp_init(void) {} + +#endif /* !CONFIG_PM */ #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE) static int sh7372_do_idle_core_standby(unsigned long unused) @@ -465,6 +482,8 @@ void __init sh7372_pm_init(void) /* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */ __raw_writel(0, PDNSEL); + sh7372_a3sp_init(); + sh7372_suspend_init(); sh7372_cpuidle_init(); } diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c index 7a1fa6a..5b0c38a 100644 --- a/arch/arm/mach-w90x900/dev.c +++ b/arch/arm/mach-w90x900/dev.c @@ -422,7 +422,7 @@ struct platform_device nuc900_device_kpi = { /* LCD controller*/ -static struct nuc900fb_display __initdata nuc900_lcd_info[] = { +static struct nuc900fb_display nuc900_lcd_info[] = { /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */ [0] = { .type = LCM_DCCS_VA_SRC_RGB565, @@ -445,7 +445,7 @@ static struct nuc900fb_display __initdata nuc900_lcd_info[] = { }, }; -static struct nuc900fb_mach_info nuc900_fb_info __initdata = { +static struct nuc900fb_mach_info nuc900_fb_info = { #if defined(CONFIG_GPM1040A0_320X240) .displays = &nuc900_lcd_info[0], #else diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h index 94c0e71..23ef1f5 100644 --- a/arch/arm/mach-w90x900/include/mach/mfp.h +++ b/arch/arm/mach-w90x900/include/mach/mfp.h @@ -19,6 +19,7 @@ extern void mfp_set_groupf(struct device *dev); extern void mfp_set_groupc(struct device *dev); extern void mfp_set_groupi(struct device *dev); -extern void mfp_set_groupg(struct device *dev); +extern void mfp_set_groupg(struct device *dev, const char *subname); +extern void mfp_set_groupd(struct device *dev, const char *subname); #endif /* __ASM_ARCH_MFP_H */ diff --git a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h index bd94819..2c4e0c1 100644 --- a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h +++ b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h @@ -14,7 +14,7 @@ #ifndef __ASM_ARCH_SPI_H #define __ASM_ARCH_SPI_H -extern void mfp_set_groupg(struct device *dev); +extern void mfp_set_groupg(struct device *dev, const char *subname); struct nuc900_spi_info { unsigned int num_cs; diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c index fb7fb62..9dd7461 100644 --- a/arch/arm/mach-w90x900/mfp.c +++ b/arch/arm/mach-w90x900/mfp.c @@ -26,10 +26,8 @@ #define REG_MFSEL (W90X900_VA_GCR + 0xC) #define GPSELF (0x01 << 1) - #define GPSELC (0x03 << 2) -#define ENKPI (0x02 << 2) -#define ENNAND (0x01 << 2) +#define GPSELD (0x0f << 4) #define GPSELEI0 (0x01 << 26) #define GPSELEI1 (0x01 << 27) @@ -37,11 +35,16 @@ #define GPIOG0TO1 (0x03 << 14) #define GPIOG2TO3 (0x03 << 16) #define GPIOG22TO23 (0x03 << 22) +#define GPIOG18TO20 (0x07 << 18) #define ENSPI (0x0a << 14) #define ENI2C0 (0x01 << 14) #define ENI2C1 (0x01 << 16) #define ENAC97 (0x02 << 22) +#define ENSD1 (0x02 << 18) +#define ENSD0 (0x0a << 4) +#define ENKPI (0x02 << 2) +#define ENNAND (0x01 << 2) static DEFINE_MUTEX(mfp_mutex); @@ -127,16 +130,19 @@ void mfp_set_groupi(struct device *dev) } EXPORT_SYMBOL(mfp_set_groupi); -void mfp_set_groupg(struct device *dev) +void mfp_set_groupg(struct device *dev, const char *subname) { unsigned long mfpen; const char *dev_id; - BUG_ON(!dev); + BUG_ON((!dev) && (!subname)); mutex_lock(&mfp_mutex); - dev_id = dev_name(dev); + if (subname != NULL) + dev_id = subname; + else + dev_id = dev_name(dev); mfpen = __raw_readl(REG_MFSEL); @@ -152,6 +158,9 @@ void mfp_set_groupg(struct device *dev) } else if (strcmp(dev_id, "nuc900-audio") == 0) { mfpen &= ~(GPIOG22TO23); mfpen |= ENAC97;/*enable AC97*/ + } else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) { + mfpen &= ~(GPIOG18TO20); + mfpen |= (ENSD1 | 0x01);/*enable sd1*/ } else { mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/ } @@ -162,3 +171,30 @@ void mfp_set_groupg(struct device *dev) } EXPORT_SYMBOL(mfp_set_groupg); +void mfp_set_groupd(struct device *dev, const char *subname) +{ + unsigned long mfpen; + const char *dev_id; + + BUG_ON((!dev) && (!subname)); + + mutex_lock(&mfp_mutex); + + if (subname != NULL) + dev_id = subname; + else + dev_id = dev_name(dev); + + mfpen = __raw_readl(REG_MFSEL); + + if (strcmp(dev_id, "nuc900-mmc-port0") == 0) { + mfpen &= ~GPSELD;/*enable sd0*/ + mfpen |= ENSD0; + } else + mfpen &= (~GPSELD); + + __raw_writel(mfpen, REG_MFSEL); + + mutex_unlock(&mfp_mutex); +} +EXPORT_SYMBOL(mfp_set_groupd); diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig index 32d9086..5f2cdb3 100644 --- a/arch/cris/arch-v10/drivers/Kconfig +++ b/arch/cris/arch-v10/drivers/Kconfig @@ -3,7 +3,7 @@ if ETRAX_ARCH_V10 config ETRAX_ETHERNET bool "Ethernet support" depends on ETRAX_ARCH_V10 - select NET_ETHERNET + select ETHERNET select NET_CORE select MII help diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index e47e9c3..de43aad 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -3,7 +3,7 @@ if ETRAX_ARCH_V32 config ETRAX_ETHERNET bool "Ethernet support" depends on ETRAX_ARCH_V32 - select NET_ETHERNET + select ETHERNET select NET_CORE select MII help diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h deleted file mode 100644 index 61d60b8..0000000 --- a/arch/microblaze/include/asm/namei.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_NAMEI_H -#define _ASM_MICROBLAZE_NAMEI_H - -#ifdef __KERNEL__ - -/* This dummy routine maybe changed to something useful - * for /usr/gnemul/ emulation stuff. - * Look at asm-sparc/namei.h for details. - */ -#define __emul_prefix() NULL - -#endif /* __KERNEL__ */ - -#endif /* _ASM_MICROBLAZE_NAMEI_H */ diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c index 975c203..0a430e0 100644 --- a/arch/mips/cavium-octeon/flash_setup.c +++ b/arch/mips/cavium-octeon/flash_setup.c @@ -17,8 +17,6 @@ static struct map_info flash_map; static struct mtd_info *mymtd; -static int nr_parts; -static struct mtd_partition *parts; static const char *part_probe_types[] = { "cmdlinepart", #ifdef CONFIG_MTD_REDBOOT_PARTS @@ -61,11 +59,8 @@ static int __init flash_init(void) mymtd = do_map_probe("cfi_probe", &flash_map); if (mymtd) { mymtd->owner = THIS_MODULE; - - nr_parts = parse_mtd_partitions(mymtd, - part_probe_types, - &parts, 0); - mtd_device_register(mymtd, parts, nr_parts); + mtd_device_parse_register(mymtd, part_probe_types, + 0, NULL, 0); } else { pr_err("Failed to register MTD device for flash\n"); } diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 8b60642..efcfff4 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -207,8 +207,9 @@ void octeon_prepare_cpus(unsigned int max_cpus) * the other bits alone. */ cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffff); - if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED, - "SMP-IPI", mailbox_interrupt)) { + if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, + IRQF_PERCPU | IRQF_NO_THREAD, "SMP-IPI", + mailbox_interrupt)) { panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n"); } } diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c index 708f087..cae4225 100644 --- a/arch/mips/emma/common/prom.c +++ b/arch/mips/emma/common/prom.c @@ -50,7 +50,7 @@ void __init prom_init(void) /* arg[0] is "g", the rest is boot parameters */ for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i] + 1) + if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >= sizeof(arcs_cmdline)) break; strcat(arcs_cmdline, arg[i]); diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h index 76961ca..2ef17e8 100644 --- a/arch/mips/include/asm/mach-bcm47xx/gpio.h +++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h @@ -36,6 +36,8 @@ static inline int gpio_get_value(unsigned gpio) return -EINVAL; } +#define gpio_get_value_cansleep gpio_get_value + static inline void gpio_set_value(unsigned gpio, int value) { switch (bcm47xx_bus_type) { @@ -54,6 +56,19 @@ static inline void gpio_set_value(unsigned gpio, int value) } } +#define gpio_set_value_cansleep gpio_set_value + +static inline int gpio_cansleep(unsigned gpio) +{ + return 0; +} + +static inline int gpio_is_valid(unsigned gpio) +{ + return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES); +} + + static inline int gpio_direction_input(unsigned gpio) { switch (bcm47xx_bus_type) { @@ -137,7 +152,4 @@ static inline int gpio_polarity(unsigned gpio, int value) } -/* cansleep wrappers */ -#include <asm-generic/gpio.h> - #endif /* __BCM47XX_GPIO_H */ diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index ecea787..d8dad53 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -365,16 +365,18 @@ #define __NR_syncfs (__NR_Linux + 342) #define __NR_sendmmsg (__NR_Linux + 343) #define __NR_setns (__NR_Linux + 344) +#define __NR_process_vm_readv (__NR_Linux + 345) +#define __NR_process_vm_writev (__NR_Linux + 346) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 344 +#define __NR_Linux_syscalls 346 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 344 +#define __NR_O32_Linux_syscalls 346 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -686,16 +688,18 @@ #define __NR_syncfs (__NR_Linux + 301) #define __NR_sendmmsg (__NR_Linux + 302) #define __NR_setns (__NR_Linux + 303) +#define __NR_process_vm_readv (__NR_Linux + 304) +#define __NR_process_vm_writev (__NR_Linux + 305) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 303 +#define __NR_Linux_syscalls 305 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 303 +#define __NR_64_Linux_syscalls 305 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1012,16 +1016,18 @@ #define __NR_syncfs (__NR_Linux + 306) #define __NR_sendmmsg (__NR_Linux + 307) #define __NR_setns (__NR_Linux + 308) +#define __NR_process_vm_readv (__NR_Linux + 309) +#define __NR_process_vm_writev (__NR_Linux + 310) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 308 +#define __NR_Linux_syscalls 310 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 308 +#define __NR_N32_Linux_syscalls 310 #ifdef __KERNEL__ diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 98c5a97..e2d8e19 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -103,19 +103,10 @@ static int c0_compare_int_pending(void) /* * Compare interrupt can be routed and latched outside the core, - * so a single execution hazard barrier may not be enough to give - * it time to clear as seen in the Cause register. 4 time the - * pipeline depth seems reasonably conservative, and empirically - * works better in configurations with high CPU/bus clock ratios. + * so wait up to worst case number of cycle counter ticks for timer interrupt + * changes to propagate to the cause register. */ - -#define compare_change_hazard() \ - do { \ - irq_disable_hazard(); \ - irq_disable_hazard(); \ - irq_disable_hazard(); \ - irq_disable_hazard(); \ - } while (0) +#define COMPARE_INT_SEEN_TICKS 50 int c0_compare_int_usable(void) { @@ -126,8 +117,12 @@ int c0_compare_int_usable(void) * IP7 already pending? Try to clear it by acking the timer. */ if (c0_compare_int_pending()) { - write_c0_compare(read_c0_count()); - compare_change_hazard(); + cnt = read_c0_count(); + write_c0_compare(cnt); + back_to_back_c0_hazard(); + while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS)) + if (!c0_compare_int_pending()) + break; if (c0_compare_int_pending()) return 0; } @@ -136,7 +131,7 @@ int c0_compare_int_usable(void) cnt = read_c0_count(); cnt += delta; write_c0_compare(cnt); - compare_change_hazard(); + back_to_back_c0_hazard(); if ((int)(read_c0_count() - cnt) < 0) break; /* increase delta if the timer was already expired */ @@ -145,12 +140,17 @@ int c0_compare_int_usable(void) while ((int)(read_c0_count() - cnt) <= 0) ; /* Wait for expiry */ - compare_change_hazard(); + while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS)) + if (c0_compare_int_pending()) + break; if (!c0_compare_int_pending()) return 0; - - write_c0_compare(read_c0_count()); - compare_change_hazard(); + cnt = read_c0_count(); + write_c0_compare(cnt); + back_to_back_c0_hazard(); + while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS)) + if (!c0_compare_int_pending()) + break; if (c0_compare_int_pending()) return 0; diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/kernel/cpufreq/loongson2_clock.c index cefc6e2..5426779 100644 --- a/arch/mips/kernel/cpufreq/loongson2_clock.c +++ b/arch/mips/kernel/cpufreq/loongson2_clock.c @@ -7,6 +7,7 @@ * for more details. */ +#include <linux/module.h> #include <linux/cpufreq.h> #include <linux/platform_device.h> diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 4792065..a632bc1 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -591,6 +591,8 @@ einval: li v0, -ENOSYS sys sys_syncfs 1 sys sys_sendmmsg 4 sys sys_setns 2 + sys sys_process_vm_readv 6 /* 4345 */ + sys sys_process_vm_writev 6 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index fb7334b..3b5a5e9 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -430,4 +430,6 @@ sys_call_table: PTR sys_syncfs PTR sys_sendmmsg PTR sys_setns + PTR sys_process_vm_readv + PTR sys_process_vm_writev /* 5305 */ .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 6de1f59..6be6f70 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -430,4 +430,6 @@ EXPORT(sysn32_call_table) PTR sys_syncfs PTR compat_sys_sendmmsg PTR sys_setns + PTR compat_sys_process_vm_readv + PTR compat_sys_process_vm_writev /* 6310 */ .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 1d81316..5422855 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -548,4 +548,6 @@ sys_call_table: PTR sys_syncfs PTR compat_sys_sendmmsg PTR sys_setns + PTR compat_sys_process_vm_readv /* 4345 */ + PTR compat_sys_process_vm_writev .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 261ccbc..5c8a49d 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1596,7 +1596,8 @@ void __cpuinit per_cpu_trap_init(void) } #endif /* CONFIG_MIPS_MT_SMTC */ - cpu_data[cpu].asid_cache = ASID_FIRST_VERSION; + if (!cpu_data[cpu].asid_cache) + cpu_data[cpu].asid_cache = ASID_FIRST_VERSION; atomic_inc(&init_mm.mm_count); current->active_mm = &init_mm; diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index 7e9c0ff..77ed70f 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -7,7 +7,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/types.h> diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c index 44a3677..de1cb2b 100644 --- a/arch/mips/lantiq/devices.c +++ b/arch/mips/lantiq/devices.c @@ -7,7 +7,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/string.h> #include <linux/kernel.h> diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index 56ba007..e34fcfd 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -6,7 +6,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/clk.h> #include <asm/bootinfo.h> #include <asm/time.h> diff --git a/arch/mips/lantiq/setup.c b/arch/mips/lantiq/setup.c index 9b8af77..1ff6c9d 100644 --- a/arch/mips/lantiq/setup.c +++ b/arch/mips/lantiq/setup.c @@ -7,7 +7,7 @@ */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/ioport.h> #include <asm/bootinfo.h> diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c index 22d823a..6522583 100644 --- a/arch/mips/lantiq/xway/clk-ase.c +++ b/arch/mips/lantiq/xway/clk-ase.c @@ -7,7 +7,7 @@ */ #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/clk.h> diff --git a/arch/mips/lantiq/xway/clk-xway.c b/arch/mips/lantiq/xway/clk-xway.c index ddd3959..696b1a3 100644 --- a/arch/mips/lantiq/xway/clk-xway.c +++ b/arch/mips/lantiq/xway/clk-xway.c @@ -7,7 +7,7 @@ */ #include <linux/io.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/clk.h> diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c index d0e32ab..d614aa7 100644 --- a/arch/mips/lantiq/xway/devices.c +++ b/arch/mips/lantiq/xway/devices.c @@ -7,7 +7,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/string.h> #include <linux/mtd/physmap.h> diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index 4278a45..cbb6ae5 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/dma-mapping.h> +#include <linux/export.h> #include <lantiq_soc.h> #include <xway_dma.h> diff --git a/arch/mips/lantiq/xway/gpio.c b/arch/mips/lantiq/xway/gpio.c index a321451..d2fa98f 100644 --- a/arch/mips/lantiq/xway/gpio.c +++ b/arch/mips/lantiq/xway/gpio.c @@ -7,7 +7,7 @@ */ #include <linux/slab.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/ioport.h> diff --git a/arch/mips/lantiq/xway/gpio_ebu.c b/arch/mips/lantiq/xway/gpio_ebu.c index a479355..b91c7f1 100644 --- a/arch/mips/lantiq/xway/gpio_ebu.c +++ b/arch/mips/lantiq/xway/gpio_ebu.c @@ -7,7 +7,7 @@ */ #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/platform_device.h> #include <linux/mutex.h> diff --git a/arch/mips/lantiq/xway/gpio_stp.c b/arch/mips/lantiq/xway/gpio_stp.c index 67d59d6..ff9991c 100644 --- a/arch/mips/lantiq/xway/gpio_stp.c +++ b/arch/mips/lantiq/xway/gpio_stp.c @@ -9,7 +9,7 @@ #include <linux/slab.h> #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/platform_device.h> #include <linux/mutex.h> diff --git a/arch/mips/lantiq/xway/prom-ase.c b/arch/mips/lantiq/xway/prom-ase.c index abe49f4..ae4959a 100644 --- a/arch/mips/lantiq/xway/prom-ase.c +++ b/arch/mips/lantiq/xway/prom-ase.c @@ -6,7 +6,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/clk.h> #include <asm/bootinfo.h> #include <asm/time.h> diff --git a/arch/mips/lantiq/xway/prom-xway.c b/arch/mips/lantiq/xway/prom-xway.c index 1686692a..2228133 100644 --- a/arch/mips/lantiq/xway/prom-xway.c +++ b/arch/mips/lantiq/xway/prom-xway.c @@ -6,7 +6,7 @@ * Copyright (C) 2010 John Crispin <blogic@openwrt.org> */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/clk.h> #include <asm/bootinfo.h> #include <asm/time.h> diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index a1be36d..3d41f0b 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -10,7 +10,7 @@ #include <linux/io.h> #include <linux/ioport.h> #include <linux/pm.h> -#include <linux/module.h> +#include <linux/export.h> #include <asm/reboot.h> #include <lantiq_soc.h> diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c deleted file mode 100644 index 98e86dd..0000000 --- a/arch/mips/nxp/pnx8550/common/pci.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * - * Author: source@mvista.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <pci.h> -#include <glb.h> -#include <nand.h> - -static struct resource pci_io_resource = { - .start = PNX8550_PCIIO + 0x1000, /* reserve regacy I/O space */ - .end = PNX8550_PCIIO + PNX8550_PCIIO_SIZE, - .name = "pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource pci_mem_resource = { - .start = PNX8550_PCIMEM, - .end = PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1, - .name = "pci memory space", - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops pnx8550_pci_ops; - -static struct pci_controller pnx8550_controller = { - .pci_ops = &pnx8550_pci_ops, - .io_map_base = PNX8550_PORT_BASE, - .io_resource = &pci_io_resource, - .mem_resource = &pci_mem_resource, -}; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -static inline unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -static int __init pnx8550_pci_setup(void) -{ - int pci_mem_code; - int mem_size = get_system_mem_size() >> 20; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* Calc the PCI mem size code */ - if (mem_size >= 128) - pci_mem_code = SIZE_128M; - else if (mem_size >= 64) - pci_mem_code = SIZE_64M; - else if (mem_size >= 32) - pci_mem_code = SIZE_32M; - else - pci_mem_code = SIZE_16M; - - /* Set PCI_XIO registers */ - outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO); - outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI); - outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO); - outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI); - - /* Send memory transaction via PCI_BASE2 */ - outl(0x00000001, PCI_BASE | PCI_IO); - - /* Unlock the setup register */ - outl(0xca, PCI_BASE | PCI_UNLOCKREG); - - /* - * BAR0 of PNX8550 (pci base 10) must be zero in order for ide - * to work, and in order for bus_to_baddr to work without any - * hacks. - */ - outl(0x00000000, PCI_BASE | PCI_BASE10); - - /* - *These two bars are set by default or the boot code. - * However, it's safer to set them here so we're not boot - * code dependent. - */ - outl(0x1be00000, PCI_BASE | PCI_BASE14); /* PNX MMIO */ - outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18); /* XIO */ - - outl(PCI_EN_TA | - PCI_EN_PCI2MMI | - PCI_EN_XIO | - PCI_SETUP_BASE18_SIZE(SIZE_32M) | - PCI_SETUP_BASE18_EN | - PCI_SETUP_BASE14_EN | - PCI_SETUP_BASE10_PREF | - PCI_SETUP_BASE10_SIZE(pci_mem_code) | - PCI_SETUP_CFGMANAGE_EN | - PCI_SETUP_PCIARB_EN, - PCI_BASE | - PCI_SETUP); /* PCI_SETUP */ - outl(0x00000000, PCI_BASE | PCI_CTRL); /* PCI_CONTROL */ - - register_pci_controller(&pnx8550_controller); - - return 0; -} - -arch_initcall(pnx8550_pci_setup); diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c deleted file mode 100644 index 71adac3..0000000 --- a/arch/mips/nxp/pnx8550/common/setup.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * - * 2.6 port, Embedded Alley Solutions, Inc - * - * Based on Per Hallsmark, per.hallsmark@mvista.com - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/ioport.h> -#include <linux/irq.h> -#include <linux/mm.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/serial_pnx8xxx.h> -#include <linux/pm.h> - -#include <asm/cpu.h> -#include <asm/bootinfo.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/reboot.h> -#include <asm/pgtable.h> -#include <asm/time.h> - -#include <glb.h> -#include <int.h> -#include <pci.h> -#include <uart.h> -#include <nand.h> - -extern void __init board_setup(void); -extern void pnx8550_machine_restart(char *); -extern void pnx8550_machine_halt(void); -extern void pnx8550_machine_power_off(void); -extern struct resource ioport_resource; -extern struct resource iomem_resource; -extern char *prom_getcmdline(void); - -struct resource standard_io_resources[] = { - { - .start = 0x00, - .end = 0x1f, - .name = "dma1", - .flags = IORESOURCE_BUSY - }, { - .start = 0x40, - .end = 0x5f, - .name = "timer", - .flags = IORESOURCE_BUSY - }, { - .start = 0x80, - .end = 0x8f, - .name = "dma page reg", - .flags = IORESOURCE_BUSY - }, { - .start = 0xc0, - .end = 0xdf, - .name = "dma2", - .flags = IORESOURCE_BUSY - }, -}; - -#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources) - -extern struct resource pci_io_resource; -extern struct resource pci_mem_resource; - -/* Return the total size of DRAM-memory, (RANK0 + RANK1) */ -unsigned long get_system_mem_size(void) -{ - /* Read IP2031_RANK0_ADDR_LO */ - unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010); - /* Read IP2031_RANK1_ADDR_HI */ - unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018); - - return dram_r1_hi - dram_r0_lo + 1; -} - -int pnx8550_console_port = -1; - -void __init plat_mem_setup(void) -{ - int i; - char* argptr; - - board_setup(); /* board specific setup */ - - _machine_restart = pnx8550_machine_restart; - _machine_halt = pnx8550_machine_halt; - pm_power_off = pnx8550_machine_power_off; - - /* Clear the Global 2 Register, PCI Inta Output Enable Registers - Bit 1:Enable DAC Powerdown - -> 0:DACs are enabled and are working normally - 1:DACs are powerdown - Bit 0:Enable of PCI inta output - -> 0 = Disable PCI inta output - 1 = Enable PCI inta output - */ - PNX8550_GLB2_ENAB_INTA_O = 0; - - /* IO/MEM resources. */ - set_io_port_base(PNX8550_PORT_BASE); - ioport_resource.start = 0; - ioport_resource.end = ~0; - iomem_resource.start = 0; - iomem_resource.end = ~0; - - /* Request I/O space for devices on this board */ - for (i = 0; i < STANDARD_IO_RESOURCES; i++) - request_resource(&ioport_resource, standard_io_resources + i); - - /* Place the Mode Control bit for GPIO pin 16 in primary function */ - /* Pin 16 is used by UART1, UA1_TX */ - outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) | - (PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT), - PNX8550_GPIO_MC1); - - argptr = prom_getcmdline(); - if ((argptr = strstr(argptr, "console=ttyS")) != NULL) { - argptr += strlen("console=ttyS"); - pnx8550_console_port = *argptr == '0' ? 0 : 1; - - /* We must initialize the UART (console) before early printk */ - /* Set LCR to 8-bit and BAUD to 38400 (no 5) */ - ip3106_lcr(UART_BASE, pnx8550_console_port) = - PNX8XXX_UART_LCR_8BIT; - ip3106_baud(UART_BASE, pnx8550_console_port) = 5; - } -} diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c index 4ee5710..b5ce041 100644 --- a/arch/mips/pci/pci-alchemy.c +++ b/arch/mips/pci/pci-alchemy.c @@ -7,6 +7,7 @@ * Support for all devices (greater than 16) added by David Gathright. */ +#include <linux/export.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/platform_device.h> diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 8656388..be1e1af 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -13,6 +13,7 @@ #include <linux/delay.h> #include <linux/mm.h> #include <linux/vmalloc.h> +#include <linux/export.h> #include <linux/platform_device.h> #include <asm/pci.h> diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c index cf4c868..dcc926e 100644 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ b/arch/mips/pmc-sierra/yosemite/prom.c @@ -102,7 +102,7 @@ void __init prom_init(void) /* Get the boot parameters */ for (i = 1; i < argc; i++) { - if (strlen(arcs_cmdline) + strlen(arg[i] + 1) >= + if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >= sizeof(arcs_cmdline)) break; diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index b177caa..951e18f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE config KEXEC bool "kexec system call (EXPERIMENTAL)" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL + depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 57af16e..70ba0c0 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -255,12 +255,6 @@ checkbin: echo 'disable kernel modules' ; \ false ; \ fi - @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \ - echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \ - echo 'correctly with old versions of binutils.' ; \ - echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \ - false ; \ - fi CLEAN_FILES += $(TOUT) diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index e2a4c26..02e41b5 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%2 # atomic_add_return\n\ add %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%2 # atomic_sub_return\n\ subf %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_inc_return\n\ addic %0,%0,1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_dec_return\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) int t; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # __atomic_add_unless\n\ cmpw 0,%0,%3 \n\ beq- 2f \n\ @@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) PPC405_ERR77(0,%2) " stwcx. %0,0,%1 \n\ bne- 1b \n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) @@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) int t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %0,0,%1 # atomic_dec_if_positive\n\ cmpwi %0,1\n\ addi %0,%0,-1\n\ @@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "\n\ 2:" : "=&b" (t) : "r" (&v->counter) @@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%2 # atomic64_add_return\n\ add %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%2 # atomic64_sub_return\n\ subf %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_inc_return\n\ addic %0,%0,1\n\ stdcx. %0,0,%1 \n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_return\n\ addic %0,%0,-1\n\ stdcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) long t; __asm__ __volatile__( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_if_positive\n\ addic. %0,%0,-1\n\ blt- 2f\n\ stdcx. %0,0,%1\n\ bne- 1b" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "\n\ 2:" : "=&r" (t) : "r" (&v->counter) @@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) long t; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: ldarx %0,0,%1 # __atomic_add_unless\n\ cmpd 0,%0,%3 \n\ beq- 2f \n\ add %0,%2,%0 \n" " stdcx. %0,0,%1 \n\ bne- 1b \n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index e137afc..efdc926 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -124,14 +124,14 @@ static __inline__ unsigned long fn( \ return (old & mask); \ } -DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) DEFINE_TESTOP(test_and_set_bits_lock, or, "", PPC_ACQUIRE_BARRIER, 1) -DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) -DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER, - PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) +DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER, + PPC_ATOMIC_EXIT_BARRIER, 0) static __inline__ int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index c94e4a3..2a9cf84 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -11,12 +11,13 @@ #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ __asm__ __volatile ( \ - PPC_RELEASE_BARRIER \ + PPC_ATOMIC_ENTRY_BARRIER \ "1: lwarx %0,0,%2\n" \ insn \ PPC405_ERR77(0, %2) \ "2: stwcx. %1,0,%2\n" \ "bne- 1b\n" \ + PPC_ATOMIC_EXIT_BARRIER \ "li %1,0\n" \ "3: .section .fixup,\"ax\"\n" \ "4: li %1,%3\n" \ @@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return -EFAULT; __asm__ __volatile__ ( - PPC_RELEASE_BARRIER + PPC_ATOMIC_ENTRY_BARRIER "1: lwarx %1,0,%3 # futex_atomic_cmpxchg_inatomic\n\ cmpw 0,%1,%4\n\ bne- 3f\n" PPC405_ERR77(0,%3) "2: stwcx. %5,0,%3\n\ bne- 1b\n" - PPC_ACQUIRE_BARRIER + PPC_ATOMIC_EXIT_BARRIER "3: .section .fixup,\"ax\"\n\ 4: li %0,%6\n\ b 3b\n\ diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index 08fe69e..0ad432b 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -149,12 +149,6 @@ struct kvm_regs { #define KVM_SREGS_E_UPDATE_DBSR (1 << 3) /* - * Book3S special bits to indicate contents in the struct by maintaining - * backwards compatibility with older structs. If adding a new field, - * please make sure to add a flag for that new field */ -#define KVM_SREGS_S_HIOR (1 << 0) - -/* * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a * previous KVM_GET_REGS. * @@ -179,8 +173,6 @@ struct kvm_sregs { __u64 ibat[8]; __u64 dbat[8]; } ppc32; - __u64 flags; /* KVM_SREGS_S_ */ - __u64 hior; } s; struct { union { diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index a384ffd..d4df013 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -90,8 +90,6 @@ struct kvmppc_vcpu_book3s { #endif int context_id[SID_CONTEXTS]; - bool hior_sregs; /* HIOR is set by SREGS, not PVR */ - struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 28cdbd9..03c48e8 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -31,7 +31,7 @@ #define MSR_ MSR_ME | MSR_CE #define MSR_KERNEL MSR_ | MSR_64BIT -#define MSR_USER32 MSR_ | MSR_PR | MSR_EE | MSR_DE +#define MSR_USER32 MSR_ | MSR_PR | MSR_EE #define MSR_USER64 MSR_USER32 | MSR_64BIT #elif defined (CONFIG_40x) #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE) diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 6fbce72..a0f358d 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -8,7 +8,7 @@ #ifdef __powerpc64__ -extern char _end[]; +extern char __end_interrupts[]; static inline int in_kernel_text(unsigned long addr) { diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index d7cab44..e682a71 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -13,6 +13,7 @@ extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup; extern void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end); +extern void do_final_fixups(void); static inline void eieio(void) { @@ -41,11 +42,15 @@ static inline void isync(void) START_LWSYNC_SECTION(97); \ isync; \ MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup); -#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) -#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" +#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) +#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" +#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n" +#define PPC_ATOMIC_EXIT_BARRIER "\n" stringify_in_c(sync) "\n" #else #define PPC_ACQUIRE_BARRIER #define PPC_RELEASE_BARRIER +#define PPC_ATOMIC_ENTRY_BARRIER +#define PPC_ATOMIC_EXIT_BARRIER #endif #endif /* __KERNEL__ */ diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 56212bc..4f80cf1 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -215,7 +215,22 @@ reenable_mmu: /* re-enable mmu so we can */ stw r9,8(r1) stw r11,12(r1) stw r3,ORIG_GPR3(r1) + /* + * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1. + * If from user mode there is only one stack frame on the stack, and + * accessing CALLER_ADDR1 will cause oops. So we need create a dummy + * stack frame to make trace_hardirqs_off happy. + */ + andi. r12,r12,MSR_PR + beq 11f + stwu r1,-16(r1) + bl trace_hardirqs_off + addi r1,r1,16 + b 12f + +11: bl trace_hardirqs_off +12: lwz r0,GPR0(r1) lwz r3,ORIG_GPR3(r1) lwz r4,GPR4(r1) diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c index 368d158..a1ed8a8 100644 --- a/arch/powerpc/kernel/jump_label.c +++ b/arch/powerpc/kernel/jump_label.c @@ -11,6 +11,7 @@ #include <linux/jump_label.h> #include <asm/code-patching.h> +#ifdef HAVE_JUMP_LABEL void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { @@ -21,3 +22,4 @@ void arch_jump_label_transform(struct jump_entry *entry, else patch_instruction(addr, PPC_INST_NOP); } +#endif diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 35f2764..2985338 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr) /* On relocatable kernels interrupts handlers and our code can be in different regions, so we don't patch them */ - extern u32 __end_interrupts; if ((ulong)inst < (ulong)&__end_interrupts) return; #endif diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index f7d760a..7cd07b4 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -738,7 +738,7 @@ relocate_new_kernel: mr r5, r31 li r0, 0 -#elif defined(CONFIG_44x) && !defined(CONFIG_47x) +#elif defined(CONFIG_44x) && !defined(CONFIG_PPC_47x) /* * Code for setting up 1:1 mapping for PPC440x for KEXEC diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 9054ca9..6457574 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -486,28 +486,6 @@ struct task_struct *__switch_to(struct task_struct *prev, new_thread = &new->thread; old_thread = ¤t->thread; -#if defined(CONFIG_PPC_BOOK3E_64) - /* XXX Current Book3E code doesn't deal with kernel side DBCR0, - * we always hold the user values, so we set it now. - * - * However, we ensure the kernel MSR:DE is appropriately cleared too - * to avoid spurrious single step exceptions in the kernel. - * - * This will have to change to merge with the ppc32 code at some point, - * but I don't like much what ppc32 is doing today so there's some - * thinking needed there - */ - if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) { - u32 dbcr0; - - mtmsr(mfmsr() & ~MSR_DE); - isync(); - dbcr0 = mfspr(SPRN_DBCR0); - dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0; - mtspr(SPRN_DBCR0, dbcr0); - } -#endif /* CONFIG_PPC64_BOOK3E */ - #ifdef CONFIG_PPC64 /* * Collect processor utilization data per process @@ -657,7 +635,7 @@ void show_regs(struct pt_regs * regs) if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) printk("CFAR: "REG"\n", regs->orig_gpr3); if (trap == 0x300 || trap == 0x600) -#ifdef CONFIG_PPC_ADV_DEBUG_REGS +#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr); #else printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr); diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index b4fa661..cc58486 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1579,10 +1579,8 @@ static void __init prom_instantiate_rtas(void) return; base = alloc_down(size, PAGE_SIZE, 0); - if (base == 0) { - prom_printf("RTAS allocation failed !\n"); - return; - } + if (base == 0) + prom_panic("Could not allocate memory for RTAS\n"); rtas_inst = call_prom("open", 1, 1, ADDR("/rtas")); if (!IHANDLE_VALID(rtas_inst)) { diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index c1ce863..ac76108 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr) PTRRELOC(&__start___lwsync_fixup), PTRRELOC(&__stop___lwsync_fixup)); + do_final_fixups(); + return KERNELBASE + offset; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 1a9dea8..fb9bb46 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -359,6 +359,7 @@ void __init setup_system(void) &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); do_lwsync_fixups(cur_cpu_spec->cpu_features, &__start___lwsync_fixup, &__stop___lwsync_fixup); + do_final_fixups(); /* * Unflatten the device-tree passed by prom_init or kexec diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 78b76dc..836a5a1 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -97,7 +97,7 @@ static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set) compat_sigset_t cset; switch (_NSIG_WORDS) { - case 4: cset.sig[5] = set->sig[3] & 0xffffffffull; + case 4: cset.sig[6] = set->sig[3] & 0xffffffffull; cset.sig[7] = set->sig[3] >> 32; case 3: cset.sig[4] = set->sig[2] & 0xffffffffull; cset.sig[5] = set->sig[2] >> 32; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 4e59082..5459d14 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1298,14 +1298,12 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status) if (user_mode(regs)) { current->thread.dbcr0 &= ~DBCR0_IC; -#ifdef CONFIG_PPC_ADV_DEBUG_REGS if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0, current->thread.dbcr1)) regs->msr |= MSR_DE; else /* Make sure the IDM bit is off */ current->thread.dbcr0 &= ~DBCR0_IDM; -#endif } _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 0cdbc07..0cb137a 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -44,6 +44,7 @@ #include <asm/processor.h> #include <asm/cputhreads.h> #include <asm/page.h> +#include <asm/hvcall.h> #include <linux/gfp.h> #include <linux/sched.h> #include <linux/vmalloc.h> diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index bc4d50d..3c791e1 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -151,16 +151,14 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr) #ifdef CONFIG_PPC_BOOK3S_64 if ((pvr >= 0x330000) && (pvr < 0x70330000)) { kvmppc_mmu_book3s_64_init(vcpu); - if (!to_book3s(vcpu)->hior_sregs) - to_book3s(vcpu)->hior = 0xfff00000; + to_book3s(vcpu)->hior = 0xfff00000; to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL; vcpu->arch.cpu_type = KVM_CPU_3S_64; } else #endif { kvmppc_mmu_book3s_32_init(vcpu); - if (!to_book3s(vcpu)->hior_sregs) - to_book3s(vcpu)->hior = 0; + to_book3s(vcpu)->hior = 0; to_book3s(vcpu)->msr_mask = 0xffffffffULL; vcpu->arch.cpu_type = KVM_CPU_3S_32; } @@ -797,9 +795,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, } } - if (sregs->u.s.flags & KVM_SREGS_S_HIOR) - sregs->u.s.hior = to_book3s(vcpu)->hior; - return 0; } @@ -836,11 +831,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, /* Flush the MMU after messing with the segments */ kvmppc_mmu_pte_flush(vcpu, 0, 0); - if (sregs->u.s.flags & KVM_SREGS_S_HIOR) { - to_book3s(vcpu)->hior_sregs = true; - to_book3s(vcpu)->hior = sregs->u.s.hior; - } - return 0; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index efbf9ad..607fbdf 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -208,7 +208,6 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_PPC_BOOKE_SREGS: #else case KVM_CAP_PPC_SEGSTATE: - case KVM_CAP_PPC_HIOR: case KVM_CAP_PPC_PAPR: #endif case KVM_CAP_PPC_UNSET_IRQ: diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 0d08d01..7a8a748 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -18,6 +18,8 @@ #include <linux/init.h> #include <asm/cputable.h> #include <asm/code-patching.h> +#include <asm/page.h> +#include <asm/sections.h> struct fixup_entry { @@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end) } } +void do_final_fixups(void) +{ +#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE) + int *src, *dest; + unsigned long length; + + if (PHYSICAL_START == 0) + return; + + src = (int *)(KERNELBASE + PHYSICAL_START); + dest = (int *)KERNELBASE; + length = (__end_interrupts - _stext) / sizeof(int); + + while (length--) { + patch_instruction(dest, *src); + src++; + dest++; + } +#endif +} + #ifdef CONFIG_FTR_FIXUP_SELFTEST #define check(x) \ diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index e458872..3fe6d92 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -347,7 +347,7 @@ config SIMPLE_GPIO config MCU_MPC8349EMITX bool "MPC8349E-mITX MCU driver" - depends on I2C && PPC_83xx + depends on I2C=y && PPC_83xx select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 404bc52..1d6f4f4 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -88,6 +88,7 @@ struct ps3_private { struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN))); u64 ppe_id; u64 thread_id; + unsigned long ipi_mask; }; static DEFINE_PER_CPU(struct ps3_private, ps3_private); @@ -144,7 +145,11 @@ static void ps3_chip_unmask(struct irq_data *d) static void ps3_chip_eoi(struct irq_data *d) { const struct ps3_private *pd = irq_data_get_irq_chip_data(d); - lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq); + + /* non-IPIs are EOIed here. */ + + if (!test_bit(63 - d->irq, &pd->ipi_mask)) + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq); } /** @@ -691,6 +696,16 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq) cpu, virq, pd->bmp.ipi_debug_brk_mask); } +void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq) +{ + struct ps3_private *pd = &per_cpu(ps3_private, cpu); + + set_bit(63 - virq, &pd->ipi_mask); + + DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__, + cpu, virq, pd->ipi_mask); +} + static unsigned int ps3_get_irq(void) { struct ps3_private *pd = &__get_cpu_var(ps3_private); @@ -720,6 +735,12 @@ static unsigned int ps3_get_irq(void) BUG(); } #endif + + /* IPIs are EOIed here. */ + + if (test_bit(63 - plug, &pd->ipi_mask)) + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug); + return plug; } diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h index 9a196a8..1a633ed 100644 --- a/arch/powerpc/platforms/ps3/platform.h +++ b/arch/powerpc/platforms/ps3/platform.h @@ -43,6 +43,7 @@ void ps3_mm_shutdown(void); void ps3_init_IRQ(void); void ps3_shutdown_IRQ(int cpu); void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq); +void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq); /* smp */ diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 4c44794..efc1cd8 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -59,46 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg) static int ps3_smp_probe(void) { - return 2; -} + int cpu; -static void __init ps3_smp_setup_cpu(int cpu) -{ - int result; - unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); - int i; + for (cpu = 0; cpu < 2; cpu++) { + int result; + unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); + int i; - DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); - /* - * Check assumptions on ps3_ipi_virqs[] indexing. If this - * check fails, then a different mapping of PPC_MSG_ - * to index needs to be setup. - */ + /* + * Check assumptions on ps3_ipi_virqs[] indexing. If this + * check fails, then a different mapping of PPC_MSG_ + * to index needs to be setup. + */ - BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); - BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); - BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); - BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); + BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); + BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); + BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); + BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); - for (i = 0; i < MSG_COUNT; i++) { - result = ps3_event_receive_port_setup(cpu, &virqs[i]); + for (i = 0; i < MSG_COUNT; i++) { + result = ps3_event_receive_port_setup(cpu, &virqs[i]); - if (result) - continue; + if (result) + continue; - DBG("%s:%d: (%d, %d) => virq %u\n", - __func__, __LINE__, cpu, i, virqs[i]); + DBG("%s:%d: (%d, %d) => virq %u\n", + __func__, __LINE__, cpu, i, virqs[i]); - result = smp_request_message_ipi(virqs[i], i); + result = smp_request_message_ipi(virqs[i], i); - if (result) - virqs[i] = NO_IRQ; - } + if (result) + virqs[i] = NO_IRQ; + else + ps3_register_ipi_irq(cpu, virqs[i]); + } - ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); + ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); - DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + } + + return 2; } void ps3_smp_cleanup_cpu(int cpu) @@ -121,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = { .probe = ps3_smp_probe, .message_pass = ps3_smp_message_pass, .kick_cpu = smp_generic_kick_cpu, - .setup_cpu = ps3_smp_setup_cpu, }; void smp_init_ps3(void) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a9fbd43..373679b 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -572,6 +572,7 @@ config KEXEC config CRASH_DUMP bool "kernel crash dumps" depends on 64BIT + select KEXEC help Generate crash dump after being started by kexec. Crash dump kernels are loaded in the main kernel with kexec-tools diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h index 4967677..ffd1ac2 100644 --- a/arch/s390/crypto/crypt_s390.h +++ b/arch/s390/crypto/crypt_s390.h @@ -368,9 +368,12 @@ static inline int crypt_s390_func_available(int func, if (facility_mask & CRYPT_S390_MSA && !test_facility(17)) return 0; - if (facility_mask & CRYPT_S390_MSA3 && !test_facility(76)) + + if (facility_mask & CRYPT_S390_MSA3 && + (!test_facility(2) || !test_facility(76))) return 0; - if (facility_mask & CRYPT_S390_MSA4 && !test_facility(77)) + if (facility_mask & CRYPT_S390_MSA4 && + (!test_facility(2) || !test_facility(77))) return 0; switch (func & CRYPT_S390_OP_MASK) { diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 24e1847..b0c235c 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -47,7 +47,7 @@ struct sca_block { #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) -#define CPUSTAT_HOST 0x80000000 +#define CPUSTAT_STOPPED 0x80000000 #define CPUSTAT_WAIT 0x10000000 #define CPUSTAT_ECALL_PEND 0x08000000 #define CPUSTAT_STOP_INT 0x04000000 @@ -139,6 +139,7 @@ struct kvm_vcpu_stat { u32 instruction_stfl; u32 instruction_tprot; u32 instruction_sigp_sense; + u32 instruction_sigp_sense_running; u32 instruction_sigp_external_call; u32 instruction_sigp_emergency; u32 instruction_sigp_stop; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 34ede0e..524d23b 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -593,6 +593,8 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) unsigned long address, bits; unsigned char skey; + if (!pte_present(*ptep)) + return pgste; address = pte_val(*ptep) & PAGE_MASK; skey = page_get_storage_key(address); bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); @@ -625,6 +627,8 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) #ifdef CONFIG_PGSTE int young; + if (!pte_present(*ptep)) + return pgste; young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK); /* Transfer page referenced bit to pte software bit (host view) */ if (young || (pgste_val(pgste) & RCP_HR_BIT)) @@ -638,13 +642,15 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) } -static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste) +static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry) { #ifdef CONFIG_PGSTE unsigned long address; unsigned long okey, nkey; - address = pte_val(*ptep) & PAGE_MASK; + if (!pte_present(entry)) + return; + address = pte_val(entry) & PAGE_MASK; okey = nkey = page_get_storage_key(address); nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT); /* Set page access key and fetch protection bit from pgste */ @@ -712,7 +718,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, if (mm_has_pgste(mm)) { pgste = pgste_get_lock(ptep); - pgste_set_pte(ptep, pgste); + pgste_set_pte(ptep, pgste, entry); *ptep = entry; pgste_set_unlock(ptep, pgste); } else diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 5a09971..097183c 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -82,6 +82,7 @@ extern unsigned int user_mode; #define MACHINE_FLAG_LPAR (1UL << 12) #define MACHINE_FLAG_SPP (1UL << 13) #define MACHINE_FLAG_TOPOLOGY (1UL << 14) +#define MACHINE_FLAG_STCKF (1UL << 15) #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) @@ -100,6 +101,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (0) #define MACHINE_HAS_SPP (0) #define MACHINE_HAS_TOPOLOGY (0) +#define MACHINE_HAS_STCKF (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) @@ -111,6 +113,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) +#define MACHINE_HAS_STCKF (S390_lowcore.machine_flags & MACHINE_FLAG_STCKF) #endif /* __s390x__ */ #define ZFCPDUMP_HSA_SIZE (32UL<<20) diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index d610bef..c447a27 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -90,7 +90,7 @@ static inline unsigned long long get_clock_fast(void) { unsigned long long clk; - if (test_facility(25)) + if (MACHINE_HAS_STCKF) asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc"); else clk = get_clock(); diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 404bdb96..58de4c9 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -277,7 +277,9 @@ #define __NR_clock_adjtime 337 #define __NR_syncfs 338 #define __NR_setns 339 -#define NR_syscalls 340 +#define __NR_process_vm_readv 340 +#define __NR_process_vm_writev 341 +#define NR_syscalls 342 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 5006a1d..18c51df 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1627,3 +1627,23 @@ ENTRY(sys_setns_wrapper) lgfr %r2,%r2 # int lgfr %r3,%r3 # int jg sys_setns + +ENTRY(compat_sys_process_vm_readv_wrapper) + lgfr %r2,%r2 # compat_pid_t + llgtr %r3,%r3 # struct compat_iovec __user * + llgfr %r4,%r4 # unsigned long + llgtr %r5,%r5 # struct compat_iovec __user * + llgfr %r6,%r6 # unsigned long + llgf %r0,164(%r15) # unsigned long + stg %r0,160(%r15) + jg sys_process_vm_readv + +ENTRY(compat_sys_process_vm_writev_wrapper) + lgfr %r2,%r2 # compat_pid_t + llgtr %r3,%r3 # struct compat_iovec __user * + llgfr %r4,%r4 # unsigned long + llgtr %r5,%r5 # struct compat_iovec __user * + llgfr %r6,%r6 # unsigned long + llgf %r0,164(%r15) # unsigned long + stg %r0,160(%r15) + jg sys_process_vm_writev diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 37394b3..c9ffe00 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -390,6 +390,8 @@ static __init void detect_machine_facilities(void) S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS; if (test_facility(40)) S390_lowcore.machine_flags |= MACHINE_FLAG_SPP; + if (test_facility(25)) + S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF; #endif } diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 8ac6bfa..e58a462 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -211,6 +211,8 @@ static void __init setup_zfcpdump(unsigned int console_devno) if (ipl_info.type != IPL_TYPE_FCP_DUMP) return; + if (OLDMEM_BASE) + return; if (console_devno != -1) sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x", ipl_info.data.fcp.dev_id.devno, console_devno); @@ -482,7 +484,7 @@ static void __init setup_memory_end(void) #ifdef CONFIG_ZFCPDUMP - if (ipl_info.type == IPL_TYPE_FCP_DUMP) { + if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) { memory_end = ZFCPDUMP_HSA_SIZE; memory_end_set = 1; } diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 73eb08c..bcab2f0 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -348,3 +348,5 @@ SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper) SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper) SYSCALL(sys_setns,sys_setns,sys_setns_wrapper) +SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */ +SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper) diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 77b8942..fdb5b8c 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -68,8 +68,10 @@ static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu) return mask; } -static void add_cpus_to_mask(struct topology_cpu *tl_cpu, - struct mask_info *book, struct mask_info *core) +static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu, + struct mask_info *book, + struct mask_info *core, + int z10) { unsigned int cpu; @@ -88,10 +90,16 @@ static void add_cpus_to_mask(struct topology_cpu *tl_cpu, cpu_book_id[lcpu] = book->id; #endif cpumask_set_cpu(lcpu, &core->mask); - cpu_core_id[lcpu] = core->id; + if (z10) { + cpu_core_id[lcpu] = rcpu; + core = core->next; + } else { + cpu_core_id[lcpu] = core->id; + } smp_cpu_polarization[lcpu] = tl_cpu->pp; } } + return core; } static void clear_masks(void) @@ -123,18 +131,41 @@ static void tl_to_cores(struct sysinfo_15_1_x *info) { #ifdef CONFIG_SCHED_BOOK struct mask_info *book = &book_info; + struct cpuid cpu_id; #else struct mask_info *book = NULL; #endif struct mask_info *core = &core_info; union topology_entry *tle, *end; + int z10 = 0; - +#ifdef CONFIG_SCHED_BOOK + get_cpu_id(&cpu_id); + z10 = cpu_id.machine == 0x2097 || cpu_id.machine == 0x2098; +#endif spin_lock_irq(&topology_lock); clear_masks(); tle = info->tle; end = (union topology_entry *)((unsigned long)info + info->length); while (tle < end) { +#ifdef CONFIG_SCHED_BOOK + if (z10) { + switch (tle->nl) { + case 1: + book = book->next; + book->id = tle->container.id; + break; + case 0: + core = add_cpus_to_mask(&tle->cpu, book, core, z10); + break; + default: + clear_masks(); + goto out; + } + tle = next_tle(tle); + continue; + } +#endif switch (tle->nl) { #ifdef CONFIG_SCHED_BOOK case 2: @@ -147,7 +178,7 @@ static void tl_to_cores(struct sysinfo_15_1_x *info) core->id = tle->container.id; break; case 0: - add_cpus_to_mask(&tle->cpu, book, core); + add_cpus_to_mask(&tle->cpu, book, core, z10); break; default: clear_masks(); @@ -328,8 +359,8 @@ void __init s390_init_cpu_topology(void) for (i = 0; i < TOPOLOGY_NR_MAG; i++) printk(" %d", info->mag[i]); printk(" / %d\n", info->mnest); - alloc_masks(info, &core_info, 2); + alloc_masks(info, &core_info, 1); #ifdef CONFIG_SCHED_BOOK - alloc_masks(info, &book_info, 3); + alloc_masks(info, &book_info, 2); #endif } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 56fe6bc..e4c79eb 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -43,6 +43,8 @@ SECTIONS NOTES :text :note + .dummy : { *(.dummy) } :data + RODATA #ifdef CONFIG_SHARED_KERNEL diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 87cedd6..8943e82 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -70,7 +70,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu) return -EOPNOTSUPP; } - atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); + atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM; vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL; vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT; diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index c7c5189..0243454 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -132,7 +132,6 @@ static int handle_stop(struct kvm_vcpu *vcpu) int rc = 0; vcpu->stat.exit_stop_request++; - atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); spin_lock_bh(&vcpu->arch.local_int.lock); if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) { vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP; @@ -149,6 +148,8 @@ static int handle_stop(struct kvm_vcpu *vcpu) } if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) { + atomic_set_mask(CPUSTAT_STOPPED, + &vcpu->arch.sie_block->cpuflags); vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP; VCPU_EVENT(vcpu, 3, "%s", "cpu stopped"); rc = -EOPNOTSUPP; diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 87c1670..278ee00 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -252,6 +252,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu, offsetof(struct _lowcore, restart_psw), sizeof(psw_t)); if (rc == -EFAULT) exception = 1; + atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); break; case KVM_S390_PROGRAM_INT: diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0bd3bea..d1c44573 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -65,6 +65,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "instruction_stfl", VCPU_STAT(instruction_stfl) }, { "instruction_tprot", VCPU_STAT(instruction_tprot) }, { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) }, + { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) }, { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) }, { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) }, { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) }, @@ -127,6 +128,7 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_S390_PSW: case KVM_CAP_S390_GMAP: + case KVM_CAP_SYNC_MMU: r = 1; break; default: @@ -270,10 +272,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) restore_fp_regs(&vcpu->arch.guest_fpregs); restore_access_regs(vcpu->arch.guest_acrs); gmap_enable(vcpu->arch.gmap); + atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) { + atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); gmap_disable(vcpu->arch.gmap); save_fp_regs(&vcpu->arch.guest_fpregs); save_access_regs(vcpu->arch.guest_acrs); @@ -301,7 +305,9 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { - atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM); + atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | + CPUSTAT_SM | + CPUSTAT_STOPPED); vcpu->arch.sie_block->ecb = 6; vcpu->arch.sie_block->eca = 0xC1002001U; vcpu->arch.sie_block->fac = (int) (long) facilities; @@ -428,7 +434,7 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw) { int rc = 0; - if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING) + if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED)) rc = -EBUSY; else { vcpu->run->psw_mask = psw.mask; @@ -501,7 +507,7 @@ rerun_vcpu: if (vcpu->sigset_active) sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); - atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); + atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL); diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 3916263..d026389 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -336,6 +336,7 @@ static int handle_tprot(struct kvm_vcpu *vcpu) u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0; u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0; struct vm_area_struct *vma; + unsigned long user_address; vcpu->stat.instruction_tprot++; @@ -349,9 +350,14 @@ static int handle_tprot(struct kvm_vcpu *vcpu) return -EOPNOTSUPP; + /* we must resolve the address without holding the mmap semaphore. + * This is ok since the userspace hypervisor is not supposed to change + * the mapping while the guest queries the memory. Otherwise the guest + * might crash or get wrong info anyway. */ + user_address = (unsigned long) __guestaddr_to_user(vcpu, address1); + down_read(¤t->mm->mmap_sem); - vma = find_vma(current->mm, - (unsigned long) __guestaddr_to_user(vcpu, address1)); + vma = find_vma(current->mm, user_address); if (!vma) { up_read(¤t->mm->mmap_sem); return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index f815118..0a7941d 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -31,9 +31,11 @@ #define SIGP_SET_PREFIX 0x0d #define SIGP_STORE_STATUS_ADDR 0x0e #define SIGP_SET_ARCH 0x12 +#define SIGP_SENSE_RUNNING 0x15 /* cpu status bits */ #define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL +#define SIGP_STAT_NOT_RUNNING 0x00000400UL #define SIGP_STAT_INCORRECT_STATE 0x00000200UL #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL #define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL @@ -57,8 +59,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr, spin_lock(&fi->lock); if (fi->local_int[cpu_addr] == NULL) rc = 3; /* not operational */ - else if (atomic_read(fi->local_int[cpu_addr]->cpuflags) - & CPUSTAT_RUNNING) { + else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags) + & CPUSTAT_STOPPED)) { *reg &= 0xffffffff00000000UL; rc = 1; /* status stored */ } else { @@ -251,7 +253,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, spin_lock_bh(&li->lock); /* cpu must be in stopped state */ - if (atomic_read(li->cpuflags) & CPUSTAT_RUNNING) { + if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) { rc = 1; /* incorrect state */ *reg &= SIGP_STAT_INCORRECT_STATE; kfree(inti); @@ -275,6 +277,38 @@ out_fi: return rc; } +static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr, + unsigned long *reg) +{ + int rc; + struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; + + if (cpu_addr >= KVM_MAX_VCPUS) + return 3; /* not operational */ + + spin_lock(&fi->lock); + if (fi->local_int[cpu_addr] == NULL) + rc = 3; /* not operational */ + else { + if (atomic_read(fi->local_int[cpu_addr]->cpuflags) + & CPUSTAT_RUNNING) { + /* running */ + rc = 1; + } else { + /* not running */ + *reg &= 0xffffffff00000000UL; + *reg |= SIGP_STAT_NOT_RUNNING; + rc = 0; + } + } + spin_unlock(&fi->lock); + + VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr, + rc); + + return rc; +} + int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu) { int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4; @@ -331,6 +365,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu) rc = __sigp_set_prefix(vcpu, cpu_addr, parameter, &vcpu->arch.guest_gprs[r1]); break; + case SIGP_SENSE_RUNNING: + vcpu->stat.instruction_sigp_sense_running++; + rc = __sigp_sense_running(vcpu, cpu_addr, + &vcpu->arch.guest_gprs[r1]); + break; case SIGP_RESTART: vcpu->stat.instruction_sigp_restart++; /* user space must know about restart */ diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 1766def..a9a3018 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -587,8 +587,13 @@ static void pfault_interrupt(unsigned int ext_int_code, } else { /* Completion interrupt was faster than initial * interrupt. Set pfault_wait to -1 so the initial - * interrupt doesn't put the task to sleep. */ - tsk->thread.pfault_wait = -1; + * interrupt doesn't put the task to sleep. + * If the task is not running, ignore the completion + * interrupt since it must be a leftover of a PFAULT + * CANCEL operation which didn't remove all pending + * completion interrupts. */ + if (tsk->state == TASK_RUNNING) + tsk->thread.pfault_wait = -1; } put_task_struct(tsk); } else { diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 5b31a8e..a790cc6 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap; #define kern_addr_valid(addr) \ (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap)) -extern int io_remap_pfn_range(struct vm_area_struct *vma, - unsigned long from, unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffUL) +extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long long offset, space, phys_base; + + offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT; + space = GET_IOSPACE(pfn); + phys_base = offset | (space << 32ULL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} + #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ ({ \ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index adf8932..38ebb2c 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -757,10 +757,6 @@ static inline bool kern_addr_valid(unsigned long addr) extern int page_in_phys_avail(unsigned long paddr); -extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -769,6 +765,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL) +extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; + int space = GET_IOSPACE(pfn); + unsigned long phys_base; + + phys_base = offset | (((unsigned long) space) << 32UL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} + #include <asm-generic/pgtable.h> /* We provide our own get_unmapped_area to cope with VA holes and diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index e27f8ea..0c218e4 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -42,6 +42,9 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr, extern void fpload(unsigned long *fpregs, unsigned long *fsr); #else /* CONFIG_SPARC32 */ + +#include <asm/trap_block.h> + struct popc_3insn_patch_entry { unsigned int addr; unsigned int insns[3]; @@ -57,6 +60,10 @@ extern struct popc_6insn_patch_entry __popc_6insn_patch, __popc_6insn_patch_end; extern void __init per_cpu_patch(void); +extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *, + struct sun4v_1insn_patch_entry *); +extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *, + struct sun4v_2insn_patch_entry *); extern void __init sun4v_patch(void); extern void __init boot_cpu_id_too_large(int cpu); extern unsigned int dcache_parity_tl1_occurred; diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index da0c6c7..e551987 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -17,6 +17,8 @@ #include <asm/processor.h> #include <asm/spitfire.h> +#include "entry.h" + #ifdef CONFIG_SPARC64 #include <linux/jump_label.h> @@ -203,6 +205,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs, } #ifdef CONFIG_SPARC64 +static void do_patch_sections(const Elf_Ehdr *hdr, + const Elf_Shdr *sechdrs) +{ + const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL; + char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + + for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) { + if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name)) + sun4v_1insn = s; + if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name)) + sun4v_2insn = s; + } + + if (sun4v_1insn && tlb_type == hypervisor) { + void *p = (void *) sun4v_1insn->sh_addr; + sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size); + } + if (sun4v_2insn && tlb_type == hypervisor) { + void *p = (void *) sun4v_2insn->sh_addr; + sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size); + } +} + int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *me) @@ -210,6 +235,8 @@ int module_finalize(const Elf_Ehdr *hdr, /* make jump label nops */ jump_label_apply_nops(me); + do_patch_sections(hdr, sechdrs); + /* Cheetah's I-cache is fully coherent. */ if (tlb_type == spitfire) { unsigned long va; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index c965595a..a854a1c 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -234,40 +234,50 @@ void __init per_cpu_patch(void) } } -void __init sun4v_patch(void) +void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start, + struct sun4v_1insn_patch_entry *end) { - extern void sun4v_hvapi_init(void); - struct sun4v_1insn_patch_entry *p1; - struct sun4v_2insn_patch_entry *p2; - - if (tlb_type != hypervisor) - return; + while (start < end) { + unsigned long addr = start->addr; - p1 = &__sun4v_1insn_patch; - while (p1 < &__sun4v_1insn_patch_end) { - unsigned long addr = p1->addr; - - *(unsigned int *) (addr + 0) = p1->insn; + *(unsigned int *) (addr + 0) = start->insn; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 0)); - p1++; + start++; } +} - p2 = &__sun4v_2insn_patch; - while (p2 < &__sun4v_2insn_patch_end) { - unsigned long addr = p2->addr; +void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start, + struct sun4v_2insn_patch_entry *end) +{ + while (start < end) { + unsigned long addr = start->addr; - *(unsigned int *) (addr + 0) = p2->insns[0]; + *(unsigned int *) (addr + 0) = start->insns[0]; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 0)); - *(unsigned int *) (addr + 4) = p2->insns[1]; + *(unsigned int *) (addr + 4) = start->insns[1]; wmb(); __asm__ __volatile__("flush %0" : : "r" (addr + 4)); - p2++; + start++; } +} + +void __init sun4v_patch(void) +{ + extern void sun4v_hvapi_init(void); + + if (tlb_type != hypervisor) + return; + + sun4v_patch_1insn_range(&__sun4v_1insn_patch, + &__sun4v_1insn_patch_end); + + sun4v_patch_2insn_range(&__sun4v_2insn_patch, + &__sun4v_2insn_patch_end); sun4v_hvapi_init(); } diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 2caa556..023b886 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -822,21 +822,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -void do_signal32(sigset_t *oldset, struct pt_regs * regs, - int restart_syscall, unsigned long orig_i0) +void do_signal32(sigset_t *oldset, struct pt_regs * regs) { struct k_sigaction ka; + unsigned long orig_i0; + int restart_syscall; siginfo_t info; int signr; signr = get_signal_to_deliver(&info, &ka, regs, NULL); - /* If the debugger messes with the program counter, it clears - * the "in syscall" bit, directing us to not perform a syscall - * restart. - */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + orig_i0 = 0; + if (pt_regs_is_syscall(regs) && + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 8ce247a..d54c6e5 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -519,10 +519,26 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) siginfo_t info; int signr; + /* It's a lot of work and synchronization to add a new ptrace + * register for GDB to save and restore in order to get + * orig_i0 correct for syscall restarts when debugging. + * + * Although it should be the case that most of the global + * registers are volatile across a system call, glibc already + * depends upon that fact that we preserve them. So we can't + * just use any global register to save away the orig_i0 value. + * + * In particular %g2, %g3, %g4, and %g5 are all assumed to be + * preserved across a system call trap by various pieces of + * code in glibc. + * + * %g7 is used as the "thread register". %g6 is not used in + * any fixed manner. %g6 is used as a scratch register and + * a compiler temporary, but it's value is never used across + * a system call. Therefore %g6 is usable for orig_i0 storage. + */ if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) - restart_syscall = 1; - else - restart_syscall = 0; + regs->u_regs[UREG_G6] = orig_i0; if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; @@ -535,8 +551,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) * the software "in syscall" bit, directing us to not perform * a syscall restart. */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } + if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index a2b8159..f0836cd 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -529,11 +529,27 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) siginfo_t info; int signr; + /* It's a lot of work and synchronization to add a new ptrace + * register for GDB to save and restore in order to get + * orig_i0 correct for syscall restarts when debugging. + * + * Although it should be the case that most of the global + * registers are volatile across a system call, glibc already + * depends upon that fact that we preserve them. So we can't + * just use any global register to save away the orig_i0 value. + * + * In particular %g2, %g3, %g4, and %g5 are all assumed to be + * preserved across a system call trap by various pieces of + * code in glibc. + * + * %g7 is used as the "thread register". %g6 is not used in + * any fixed manner. %g6 is used as a scratch register and + * a compiler temporary, but it's value is never used across + * a system call. Therefore %g6 is usable for orig_i0 storage. + */ if (pt_regs_is_syscall(regs) && - (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { - restart_syscall = 1; - } else - restart_syscall = 0; + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) + regs->u_regs[UREG_G6] = orig_i0; if (current_thread_info()->status & TS_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; @@ -542,22 +558,20 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) #ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) { - extern void do_signal32(sigset_t *, struct pt_regs *, - int restart_syscall, - unsigned long orig_i0); - do_signal32(oldset, regs, restart_syscall, orig_i0); + extern void do_signal32(sigset_t *, struct pt_regs *); + do_signal32(oldset, regs); return; } #endif signr = get_signal_to_deliver(&info, &ka, regs, NULL); - /* If the debugger messes with the program counter, it clears - * the software "in syscall" bit, directing us to not perform - * a syscall restart. - */ - if (restart_syscall && !pt_regs_is_syscall(regs)) - restart_syscall = 0; + restart_syscall = 0; + if (pt_regs_is_syscall(regs) && + (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { + restart_syscall = 1; + orig_i0 = regs->u_regs[UREG_G6]; + } if (signr > 0) { if (restart_syscall) diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c index e7dc508..b19570d 100644 --- a/arch/sparc/kernel/sigutil_64.c +++ b/arch/sparc/kernel/sigutil_64.c @@ -2,6 +2,7 @@ #include <linux/types.h> #include <linux/thread_info.h> #include <linux/uaccess.h> +#include <linux/errno.h> #include <asm/sigcontext.h> #include <asm/fpumacro.h> diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index e3cda21..301421c 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o obj-y += fault_$(BITS).o obj-y += init_$(BITS).o obj-$(CONFIG_SPARC32) += loadmmu.o -obj-y += generic_$(BITS).o obj-$(CONFIG_SPARC32) += extable.o btfixup.o srmmu.o iommu.o io-unit.o obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o obj-$(CONFIG_SPARC_LEON)+= leon_mm.o diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c deleted file mode 100644 index 6ca39a6..0000000 --- a/arch/sparc/mm/generic_32.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * generic.c: Generic Sparc mm routines that are not dependent upon - * MMU type but are Sparc specific. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/pagemap.h> -#include <linux/export.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/cacheflush.h> -#include <asm/tlbflush.h> - -/* Remap IO memory, the same way as remap_pfn_range(), but use - * the obio memory space. - * - * They use a pgprot that sets PAGE_IO and does not check the - * mem_map table as this is independent of normal memory. - */ -static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space)); - address += PAGE_SIZE; - offset += PAGE_SIZE; - pte++; - } while (address < end); -} - -static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - offset -= address; - do { - pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); - if (!pte) - return -ENOMEM; - io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return 0; -} - -int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = vma->vm_mm; - int space = GET_IOSPACE(pfn); - unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; - - /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; - vma->vm_pgoff = (offset >> PAGE_SHIFT) | - ((unsigned long)space << 28UL); - - offset -= from; - dir = pgd_offset(mm, from); - flush_cache_range(vma, beg, end); - - while (from < end) { - pmd_t *pmd = pmd_alloc(mm, dir, from); - error = -ENOMEM; - if (!pmd) - break; - error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } - - flush_tlb_range(vma, beg, end); - return error; -} -EXPORT_SYMBOL(io_remap_pfn_range); diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c deleted file mode 100644 index 9b357dd..0000000 --- a/arch/sparc/mm/generic_64.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * generic.c: Generic Sparc mm routines that are not dependent upon - * MMU type but are Sparc specific. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/export.h> -#include <linux/pagemap.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/tlbflush.h> - -/* Remap IO memory, the same way as remap_pfn_range(), but use - * the obio memory space. - * - * They use a pgprot that sets PAGE_IO and does not check the - * mem_map table as this is independent of normal memory. - */ -static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, - unsigned long address, - unsigned long size, - unsigned long offset, pgprot_t prot, - int space) -{ - unsigned long end; - - /* clear hack bit that was used as a write_combine side-effect flag */ - offset &= ~0x1UL; - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - pte_t entry; - unsigned long curend = address + PAGE_SIZE; - - entry = mk_pte_io(offset, prot, space, PAGE_SIZE); - if (!(address & 0xffff)) { - if (PAGE_SIZE < (4 * 1024 * 1024) && - !(address & 0x3fffff) && - !(offset & 0x3ffffe) && - end >= address + 0x400000) { - entry = mk_pte_io(offset, prot, space, - 4 * 1024 * 1024); - curend = address + 0x400000; - offset += 0x400000; - } else if (PAGE_SIZE < (512 * 1024) && - !(address & 0x7ffff) && - !(offset & 0x7fffe) && - end >= address + 0x80000) { - entry = mk_pte_io(offset, prot, space, - 512 * 1024 * 1024); - curend = address + 0x80000; - offset += 0x80000; - } else if (PAGE_SIZE < (64 * 1024) && - !(offset & 0xfffe) && - end >= address + 0x10000) { - entry = mk_pte_io(offset, prot, space, - 64 * 1024); - curend = address + 0x10000; - offset += 0x10000; - } else - offset += PAGE_SIZE; - } else - offset += PAGE_SIZE; - - if (pte_write(entry)) - entry = pte_mkdirty(entry); - do { - BUG_ON(!pte_none(*pte)); - set_pte_at(mm, address, pte, entry); - address += PAGE_SIZE; - pte_val(entry) += PAGE_SIZE; - pte++; - } while (address < curend); - } while (address < end); -} - -static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - offset -= address; - do { - pte_t *pte = pte_alloc_map(mm, NULL, pmd, address); - if (!pte) - return -ENOMEM; - io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space); - pte_unmap(pte); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return 0; -} - -static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size, - unsigned long offset, pgprot_t prot, int space) -{ - unsigned long end; - - address &= ~PUD_MASK; - end = address + size; - if (end > PUD_SIZE) - end = PUD_SIZE; - offset -= address; - do { - pmd_t *pmd = pmd_alloc(mm, pud, address); - if (!pud) - return -ENOMEM; - io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space); - address = (address + PUD_SIZE) & PUD_MASK; - pud++; - } while (address < end); - return 0; -} - -int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = vma->vm_mm; - int space = GET_IOSPACE(pfn); - unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; - unsigned long phys_base; - - phys_base = offset | (((unsigned long) space) << 32UL); - - /* See comment in mm/memory.c remap_pfn_range */ - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; - vma->vm_pgoff = phys_base >> PAGE_SHIFT; - - offset -= from; - dir = pgd_offset(mm, from); - flush_cache_range(vma, beg, end); - - while (from < end) { - pud_t *pud = pud_alloc(mm, dir, from); - error = -ENOMEM; - if (!pud) - break; - error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } - - flush_tlb_range(vma, beg, end); - return error; -} -EXPORT_SYMBOL(io_remap_pfn_range); diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index e57dcce..942ed617 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -237,13 +237,13 @@ menu "PKUnity NetBook-0916 Features" config I2C_BATTERY_BQ27200 tristate "I2C Battery BQ27200 Support" - select PUV3_I2C + select I2C_PUV3 select POWER_SUPPLY select BATTERY_BQ27x00 config I2C_EEPROM_AT24 tristate "I2C EEPROMs AT24 support" - select PUV3_I2C + select I2C_PUV3 select MISC_DEVICES select EEPROM_AT24 diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug index ae2ec33..1a36262 100644 --- a/arch/unicore32/Kconfig.debug +++ b/arch/unicore32/Kconfig.debug @@ -44,18 +44,4 @@ config DEBUG_OCD Say Y here if you want the debug print routines to direct their output to the UniCore On-Chip-Debugger channel using CP #1. -config DEBUG_OCD_BREAKPOINT - bool "Breakpoint support via On-Chip-Debugger" - depends on DEBUG_OCD - -config DEBUG_UART - int "Kernel low-level debugging messages via serial port" - depends on DEBUG_LL - range 0 1 - default "0" - help - Choice for UART for kernel low-level using PKUnity UARTS, - should be between zero and one. The port must have been - initialised by the boot-loader before use. - endmenu diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index b0954a2..950a9af 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile @@ -10,8 +10,8 @@ # Copyright (C) 2001~2010 GUAN Xue-tao # -EXTRA_CFLAGS := -fpic -fno-builtin -EXTRA_AFLAGS := -Wa,-march=all +ccflags-y := -fpic -fno-builtin +asflags-y := -Wa,-march=all OBJS := misc.o diff --git a/arch/unicore32/include/asm/bitops.h b/arch/unicore32/include/asm/bitops.h index 1628a63..401f597 100644 --- a/arch/unicore32/include/asm/bitops.h +++ b/arch/unicore32/include/asm/bitops.h @@ -13,12 +13,6 @@ #ifndef __UNICORE_BITOPS_H__ #define __UNICORE_BITOPS_H__ -#define find_next_bit __uc32_find_next_bit -#define find_next_zero_bit __uc32_find_next_zero_bit - -#define find_first_bit __uc32_find_first_bit -#define find_first_zero_bit __uc32_find_first_zero_bit - #define _ASM_GENERIC_BITOPS_FLS_H_ #define _ASM_GENERIC_BITOPS___FLS_H_ #define _ASM_GENERIC_BITOPS_FFS_H_ @@ -44,4 +38,10 @@ static inline int fls(int x) #include <asm-generic/bitops.h> +/* following definitions: to avoid using codes in lib/find_*.c */ +#define find_next_bit find_next_bit +#define find_next_zero_bit find_next_zero_bit +#define find_first_bit find_first_bit +#define find_first_zero_bit find_first_zero_bit + #endif /* __UNICORE_BITOPS_H__ */ diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h index e11cb07..f0d780a 100644 --- a/arch/unicore32/include/asm/processor.h +++ b/arch/unicore32/include/asm/processor.h @@ -53,7 +53,6 @@ struct thread_struct { #define start_thread(regs, pc, sp) \ ({ \ unsigned long *stack = (unsigned long *)sp; \ - set_fs(USER_DS); \ memset(regs->uregs, 0, sizeof(regs->uregs)); \ regs->UCreg_asr = USER_MODE; \ regs->UCreg_pc = pc & ~1; /* pc */ \ diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c index a897080..d98bd81 100644 --- a/arch/unicore32/kernel/ksyms.c +++ b/arch/unicore32/kernel/ksyms.c @@ -24,8 +24,8 @@ #include "ksyms.h" -EXPORT_SYMBOL(__uc32_find_next_zero_bit); -EXPORT_SYMBOL(__uc32_find_next_bit); +EXPORT_SYMBOL(find_next_zero_bit); +EXPORT_SYMBOL(find_next_bit); EXPORT_SYMBOL(__backtrace); diff --git a/arch/unicore32/lib/findbit.S b/arch/unicore32/lib/findbit.S index c360ce9..c777462 100644 --- a/arch/unicore32/lib/findbit.S +++ b/arch/unicore32/lib/findbit.S @@ -17,7 +17,7 @@ * Purpose : Find a 'zero' bit * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit); */ -__uc32_find_first_zero_bit: +ENTRY(find_first_zero_bit) cxor.a r1, #0 beq 3f mov r2, #0 @@ -29,13 +29,14 @@ __uc32_find_first_zero_bit: bub 1b 3: mov r0, r1 @ no free bits mov pc, lr +ENDPROC(find_first_zero_bit) /* * Purpose : Find next 'zero' bit * Prototype: int find_next_zero_bit * (void *addr, unsigned int maxbit, int offset) */ -ENTRY(__uc32_find_next_zero_bit) +ENTRY(find_next_zero_bit) cxor.a r1, #0 beq 3b and.a ip, r2, #7 @@ -47,14 +48,14 @@ ENTRY(__uc32_find_next_zero_bit) or r2, r2, #7 @ if zero, then no bits here add r2, r2, #1 @ align bit pointer b 2b @ loop for next bit -ENDPROC(__uc32_find_next_zero_bit) +ENDPROC(find_next_zero_bit) /* * Purpose : Find a 'one' bit * Prototype: int find_first_bit * (const unsigned long *addr, unsigned int maxbit); */ -__uc32_find_first_bit: +ENTRY(find_first_bit) cxor.a r1, #0 beq 3f mov r2, #0 @@ -66,13 +67,14 @@ __uc32_find_first_bit: bub 1b 3: mov r0, r1 @ no free bits mov pc, lr +ENDPROC(find_first_bit) /* * Purpose : Find next 'one' bit * Prototype: int find_next_zero_bit * (void *addr, unsigned int maxbit, int offset) */ -ENTRY(__uc32_find_next_bit) +ENTRY(find_next_bit) cxor.a r1, #0 beq 3b and.a ip, r2, #7 @@ -83,7 +85,7 @@ ENTRY(__uc32_find_next_bit) or r2, r2, #7 @ if zero, then no bits here add r2, r2, #1 @ align bit pointer b 2b @ loop for next bit -ENDPROC(__uc32_find_next_bit) +ENDPROC(find_next_bit) /* * One or more bits in the LSB of r3 are assumed to be set. diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 9b7273c..1a6c09a 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -49,6 +49,7 @@ extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; extern int disable_apic; +extern unsigned int lapic_timer_frequency; #ifdef CONFIG_SMP extern void __inquire_remote_apic(int apicid); diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h index 72a8b52..a01e7ec7 100644 --- a/arch/x86/include/asm/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h @@ -17,7 +17,7 @@ #define NMI_REASON_CLEAR_IOCHK 0x08 #define NMI_REASON_CLEAR_MASK 0x0f -static inline unsigned char get_nmi_reason(void) +static inline unsigned char default_get_nmi_reason(void) { return inb(NMI_REASON_PORT); } diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index c9321f3..0e8ae57 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -201,7 +201,10 @@ int mce_notify_irq(void); void mce_notify_process(void); DECLARE_PER_CPU(struct mce, injectm); -extern struct file_operations mce_chrdev_ops; + +extern void register_mce_write_callback(ssize_t (*)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)); /* * Exception handler diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h index 719f00b..e628312 100644 --- a/arch/x86/include/asm/mrst.h +++ b/arch/x86/include/asm/mrst.h @@ -44,6 +44,13 @@ enum mrst_timer_options { extern enum mrst_timer_options mrst_timer_options; +/* + * Penwell uses spread spectrum clock, so the freq number is not exactly + * the same as reported by MSR based on SDM. + */ +#define PENWELL_FSB_FREQ_83SKU 83200 +#define PENWELL_FSB_FREQ_100SKU 99840 + #define SFI_MTMR_MAX_NUM 8 #define SFI_MRTC_MAX 8 diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index d3d8590..1971e65 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -152,6 +152,7 @@ struct x86_cpuinit_ops { /** * struct x86_platform_ops - platform specific runtime functions * @calibrate_tsc: calibrate TSC + * @wallclock_init: init the wallclock device * @get_wallclock: get time from HW clock like RTC etc. * @set_wallclock: set time back to HW clock * @is_untracked_pat_range exclude from PAT logic @@ -160,11 +161,13 @@ struct x86_cpuinit_ops { */ struct x86_platform_ops { unsigned long (*calibrate_tsc)(void); + void (*wallclock_init)(void); unsigned long (*get_wallclock)(void); int (*set_wallclock)(unsigned long nowtime); void (*iommu_shutdown)(void); bool (*is_untracked_pat_range)(u64 start, u64 end); void (*nmi_init)(void); + unsigned char (*get_nmi_reason)(void); int (*i8042_detect)(void); }; diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index c638228..1f84794 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -738,5 +738,5 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n) atomic_set(&stop_machine_first, 1); wrote_text = 0; - __stop_machine(stop_machine_text_poke, (void *)&tpp, NULL); + __stop_machine(stop_machine_text_poke, (void *)&tpp, cpu_online_mask); } diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index a2fd72e..f98d84c 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -186,7 +186,7 @@ static struct resource lapic_resource = { .flags = IORESOURCE_MEM | IORESOURCE_BUSY, }; -static unsigned int calibration_result; +unsigned int lapic_timer_frequency = 0; static void apic_pm_activate(void); @@ -454,7 +454,7 @@ static void lapic_timer_setup(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: case CLOCK_EVT_MODE_ONESHOT: - __setup_APIC_LVTT(calibration_result, + __setup_APIC_LVTT(lapic_timer_frequency, mode != CLOCK_EVT_MODE_PERIODIC, 1); break; case CLOCK_EVT_MODE_UNUSED: @@ -638,6 +638,25 @@ static int __init calibrate_APIC_clock(void) long delta, deltatsc; int pm_referenced = 0; + /** + * check if lapic timer has already been calibrated by platform + * specific routine, such as tsc calibration code. if so, we just fill + * in the clockevent structure and return. + */ + + if (lapic_timer_frequency) { + apic_printk(APIC_VERBOSE, "lapic timer already calibrated %d\n", + lapic_timer_frequency); + lapic_clockevent.mult = div_sc(lapic_timer_frequency/APIC_DIVISOR, + TICK_NSEC, lapic_clockevent.shift); + lapic_clockevent.max_delta_ns = + clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); + lapic_clockevent.min_delta_ns = + clockevent_delta2ns(0xF, &lapic_clockevent); + lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + return 0; + } + local_irq_disable(); /* Replace the global interrupt handler */ @@ -679,12 +698,12 @@ static int __init calibrate_APIC_clock(void) lapic_clockevent.min_delta_ns = clockevent_delta2ns(0xF, &lapic_clockevent); - calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; + lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta); apic_printk(APIC_VERBOSE, "..... mult: %u\n", lapic_clockevent.mult); apic_printk(APIC_VERBOSE, "..... calibration result: %u\n", - calibration_result); + lapic_timer_frequency); if (cpu_has_tsc) { apic_printk(APIC_VERBOSE, "..... CPU clock speed is " @@ -695,13 +714,13 @@ static int __init calibrate_APIC_clock(void) apic_printk(APIC_VERBOSE, "..... host bus clock speed is " "%u.%04u MHz.\n", - calibration_result / (1000000 / HZ), - calibration_result % (1000000 / HZ)); + lapic_timer_frequency / (1000000 / HZ), + lapic_timer_frequency % (1000000 / HZ)); /* * Do a sanity check on the APIC calibration result */ - if (calibration_result < (1000000 / HZ)) { + if (lapic_timer_frequency < (1000000 / HZ)) { local_irq_enable(); pr_warning("APIC frequency too slow, disabling apic timer\n"); return -1; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 3c31fa9..6d939d7 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -193,10 +193,8 @@ int __init arch_early_irq_init(void) struct irq_cfg *cfg; int count, node, i; - if (!legacy_pic->nr_legacy_irqs) { - nr_irqs_gsi = 0; + if (!legacy_pic->nr_legacy_irqs) io_apic_irqs = ~0UL; - } for (i = 0; i < nr_ioapics; i++) { ioapics[i].saved_registers = @@ -1696,6 +1694,7 @@ __apicdebuginit(void) print_IO_APICs(void) int ioapic_idx; struct irq_cfg *cfg; unsigned int irq; + struct irq_chip *chip; printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries); for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) @@ -1716,6 +1715,10 @@ __apicdebuginit(void) print_IO_APICs(void) for_each_active_irq(irq) { struct irq_pin_list *entry; + chip = irq_get_chip(irq); + if (chip != &ioapic_chip) + continue; + cfg = irq_get_chip_data(irq); if (!cfg) continue; diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c index 6199232..319882e 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-inject.c +++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c @@ -208,7 +208,7 @@ static int inject_init(void) if (!alloc_cpumask_var(&mce_inject_cpumask, GFP_KERNEL)) return -ENOMEM; printk(KERN_INFO "Machine check injector initialized\n"); - mce_chrdev_ops.write = mce_write; + register_mce_write_callback(mce_write); register_nmi_handler(NMI_LOCAL, mce_raise_notify, 0, "mce_notify"); return 0; diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 362056a..2af127d 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1634,16 +1634,35 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd, } } -/* Modified in mce-inject.c, so not static or const */ -struct file_operations mce_chrdev_ops = { +static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off); + +void register_mce_write_callback(ssize_t (*fn)(struct file *filp, + const char __user *ubuf, + size_t usize, loff_t *off)) +{ + mce_write = fn; +} +EXPORT_SYMBOL_GPL(register_mce_write_callback); + +ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf, + size_t usize, loff_t *off) +{ + if (mce_write) + return mce_write(filp, ubuf, usize, off); + else + return -EINVAL; +} + +static const struct file_operations mce_chrdev_ops = { .open = mce_chrdev_open, .release = mce_chrdev_release, .read = mce_chrdev_read, + .write = mce_chrdev_write, .poll = mce_chrdev_poll, .unlocked_ioctl = mce_chrdev_ioctl, .llseek = no_llseek, }; -EXPORT_SYMBOL_GPL(mce_chrdev_ops); static struct miscdevice mce_chrdev_device = { MISC_MCELOG_MINOR, diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index c1a0188..44842d7 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -74,9 +74,10 @@ static cycle_t kvm_clock_read(void) struct pvclock_vcpu_time_info *src; cycle_t ret; - src = &get_cpu_var(hv_clock); + preempt_disable_notrace(); + src = &__get_cpu_var(hv_clock); ret = pvclock_clocksource_read(src); - put_cpu_var(hv_clock); + preempt_enable_notrace(); return ret; } diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index b9c8628..e88f37b 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -29,6 +29,7 @@ #include <asm/traps.h> #include <asm/mach_traps.h> #include <asm/nmi.h> +#include <asm/x86_init.h> #define NMI_MAX_NAMELEN 16 struct nmiaction { @@ -348,7 +349,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) /* Non-CPU-specific NMI: NMI sources can be processed on any CPU */ raw_spin_lock(&nmi_reason_lock); - reason = get_nmi_reason(); + reason = x86_platform.get_nmi_reason(); if (reason & NMI_REASON_MASK) { if (reason & NMI_REASON_SERR) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index afaf384..cf0ef98 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1045,6 +1045,8 @@ void __init setup_arch(char **cmdline_p) x86_init.timers.wallclock_init(); + x86_platform.wallclock_init(); + mcheck_init(); arch_init_ideal_nops(); diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index 6f164bd..c1d6cd5 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -21,12 +21,14 @@ #include <asm/pat.h> #include <asm/tsc.h> #include <asm/iommu.h> +#include <asm/mach_traps.h> void __cpuinit x86_init_noop(void) { } void __init x86_init_uint_noop(unsigned int unused) { } void __init x86_init_pgd_noop(pgd_t *unused) { } int __init iommu_init_noop(void) { return 0; } void iommu_shutdown_noop(void) { } +void wallclock_init_noop(void) { } /* * The platform setup functions are preset with the default functions @@ -97,11 +99,13 @@ static int default_i8042_detect(void) { return 1; }; struct x86_platform_ops x86_platform = { .calibrate_tsc = native_calibrate_tsc, + .wallclock_init = wallclock_init_noop, .get_wallclock = mach_get_cmos_time, .set_wallclock = mach_set_rtc_mmss, .iommu_shutdown = iommu_shutdown_noop, .is_untracked_pat_range = is_ISA_range, .nmi_init = default_nmi_init, + .get_nmi_reason = default_get_nmi_reason, .i8042_detect = default_i8042_detect }; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a0d6bd9..579a0b5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -39,6 +39,7 @@ #include <asm/mce.h> #include <asm/i387.h> #include <asm/xcr.h> +#include <asm/perf_event.h> #include "trace.h" @@ -118,7 +119,7 @@ module_param(ple_gap, int, S_IRUGO); static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW; module_param(ple_window, int, S_IRUGO); -#define NR_AUTOLOAD_MSRS 1 +#define NR_AUTOLOAD_MSRS 8 #define VMCS02_POOL_SIZE 1 struct vmcs { @@ -622,6 +623,7 @@ static unsigned long *vmx_msr_bitmap_legacy; static unsigned long *vmx_msr_bitmap_longmode; static bool cpu_has_load_ia32_efer; +static bool cpu_has_load_perf_global_ctrl; static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS); static DEFINE_SPINLOCK(vmx_vpid_lock); @@ -1191,15 +1193,34 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu) vmcs_write32(EXCEPTION_BITMAP, eb); } +static void clear_atomic_switch_msr_special(unsigned long entry, + unsigned long exit) +{ + vmcs_clear_bits(VM_ENTRY_CONTROLS, entry); + vmcs_clear_bits(VM_EXIT_CONTROLS, exit); +} + static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr) { unsigned i; struct msr_autoload *m = &vmx->msr_autoload; - if (msr == MSR_EFER && cpu_has_load_ia32_efer) { - vmcs_clear_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER); - vmcs_clear_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER); - return; + switch (msr) { + case MSR_EFER: + if (cpu_has_load_ia32_efer) { + clear_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER, + VM_EXIT_LOAD_IA32_EFER); + return; + } + break; + case MSR_CORE_PERF_GLOBAL_CTRL: + if (cpu_has_load_perf_global_ctrl) { + clear_atomic_switch_msr_special( + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL, + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL); + return; + } + break; } for (i = 0; i < m->nr; ++i) @@ -1215,25 +1236,55 @@ static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr) vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr); } +static void add_atomic_switch_msr_special(unsigned long entry, + unsigned long exit, unsigned long guest_val_vmcs, + unsigned long host_val_vmcs, u64 guest_val, u64 host_val) +{ + vmcs_write64(guest_val_vmcs, guest_val); + vmcs_write64(host_val_vmcs, host_val); + vmcs_set_bits(VM_ENTRY_CONTROLS, entry); + vmcs_set_bits(VM_EXIT_CONTROLS, exit); +} + static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr, u64 guest_val, u64 host_val) { unsigned i; struct msr_autoload *m = &vmx->msr_autoload; - if (msr == MSR_EFER && cpu_has_load_ia32_efer) { - vmcs_write64(GUEST_IA32_EFER, guest_val); - vmcs_write64(HOST_IA32_EFER, host_val); - vmcs_set_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER); - vmcs_set_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER); - return; + switch (msr) { + case MSR_EFER: + if (cpu_has_load_ia32_efer) { + add_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER, + VM_EXIT_LOAD_IA32_EFER, + GUEST_IA32_EFER, + HOST_IA32_EFER, + guest_val, host_val); + return; + } + break; + case MSR_CORE_PERF_GLOBAL_CTRL: + if (cpu_has_load_perf_global_ctrl) { + add_atomic_switch_msr_special( + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL, + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL, + GUEST_IA32_PERF_GLOBAL_CTRL, + HOST_IA32_PERF_GLOBAL_CTRL, + guest_val, host_val); + return; + } + break; } for (i = 0; i < m->nr; ++i) if (m->guest[i].index == msr) break; - if (i == m->nr) { + if (i == NR_AUTOLOAD_MSRS) { + printk_once(KERN_WARNING"Not enough mst switch entries. " + "Can't add msr %x\n", msr); + return; + } else if (i == m->nr) { ++m->nr; vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr); vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr); @@ -2455,6 +2506,42 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS, VM_EXIT_LOAD_IA32_EFER); + cpu_has_load_perf_global_ctrl = + allow_1_setting(MSR_IA32_VMX_ENTRY_CTLS, + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL) + && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS, + VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL); + + /* + * Some cpus support VM_ENTRY_(LOAD|SAVE)_IA32_PERF_GLOBAL_CTRL + * but due to arrata below it can't be used. Workaround is to use + * msr load mechanism to switch IA32_PERF_GLOBAL_CTRL. + * + * VM Exit May Incorrectly Clear IA32_PERF_GLOBAL_CTRL [34:32] + * + * AAK155 (model 26) + * AAP115 (model 30) + * AAT100 (model 37) + * BC86,AAY89,BD102 (model 44) + * BA97 (model 46) + * + */ + if (cpu_has_load_perf_global_ctrl && boot_cpu_data.x86 == 0x6) { + switch (boot_cpu_data.x86_model) { + case 26: + case 30: + case 37: + case 44: + case 46: + cpu_has_load_perf_global_ctrl = false; + printk_once(KERN_WARNING"kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL " + "does not work properly. Using workaround\n"); + break; + default: + break; + } + } + return 0; } @@ -5968,6 +6055,24 @@ static void vmx_cancel_injection(struct kvm_vcpu *vcpu) vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0); } +static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx) +{ + int i, nr_msrs; + struct perf_guest_switch_msr *msrs; + + msrs = perf_guest_get_msrs(&nr_msrs); + + if (!msrs) + return; + + for (i = 0; i < nr_msrs; i++) + if (msrs[i].host == msrs[i].guest) + clear_atomic_switch_msr(vmx, msrs[i].msr); + else + add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest, + msrs[i].host); +} + #ifdef CONFIG_X86_64 #define R "r" #define Q "q" @@ -6017,6 +6122,8 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) vmx_set_interrupt_shadow(vcpu, 0); + atomic_switch_perf_msrs(vmx); + vmx->__launched = vmx->loaded_vmcs->launched; asm( /* Store host registers */ diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c index 541020d..b1489a0 100644 --- a/arch/x86/platform/mrst/mrst.c +++ b/arch/x86/platform/mrst/mrst.c @@ -187,11 +187,34 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table) static unsigned long __init mrst_calibrate_tsc(void) { unsigned long flags, fast_calibrate; - - local_irq_save(flags); - fast_calibrate = apbt_quick_calibrate(); - local_irq_restore(flags); - + if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) { + u32 lo, hi, ratio, fsb; + + rdmsr(MSR_IA32_PERF_STATUS, lo, hi); + pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi); + ratio = (hi >> 8) & 0x1f; + pr_debug("ratio is %d\n", ratio); + if (!ratio) { + pr_err("read a zero ratio, should be incorrect!\n"); + pr_err("force tsc ratio to 16 ...\n"); + ratio = 16; + } + rdmsr(MSR_FSB_FREQ, lo, hi); + if ((lo & 0x7) == 0x7) + fsb = PENWELL_FSB_FREQ_83SKU; + else + fsb = PENWELL_FSB_FREQ_100SKU; + fast_calibrate = ratio * fsb; + pr_debug("read penwell tsc %lu khz\n", fast_calibrate); + lapic_timer_frequency = fsb * 1000 / HZ; + /* mark tsc clocksource as reliable */ + set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE); + } else { + local_irq_save(flags); + fast_calibrate = apbt_quick_calibrate(); + local_irq_restore(flags); + } + if (fast_calibrate) return fast_calibrate; @@ -254,6 +277,17 @@ static void mrst_reboot(void) } /* + * Moorestown does not have external NMI source nor port 0x61 to report + * NMI status. The possible NMI sources are from pmu as a result of NMI + * watchdog or lock debug. Reading io port 0x61 results in 0xff which + * misled NMI handler. + */ +static unsigned char mrst_get_nmi_reason(void) +{ + return 0; +} + +/* * Moorestown specific x86_init function overrides and early setup * calls. */ @@ -274,6 +308,8 @@ void __init x86_mrst_early_setup(void) x86_platform.calibrate_tsc = mrst_calibrate_tsc; x86_platform.i8042_detect = mrst_i8042_detect; x86_init.timers.wallclock_init = mrst_rtc_init; + x86_platform.get_nmi_reason = mrst_get_nmi_reason; + x86_init.pci.init = pci_mrst_init; x86_init.pci.fixup_irqs = x86_init_noop; diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index 118c143..2c32df6 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -11,7 +11,7 @@ #endif #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP) -#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP) #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP) #define ARCH_IS_STACKGROW(address) \ diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index da8afd5..1f92865 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1356,7 +1356,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self, int cpu = (long)hcpu; switch (action) { case CPU_UP_PREPARE: - per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; + xen_vcpu_setup(cpu); if (xen_have_vector_callback) xen_init_lock_cpu(cpu); break; @@ -1386,7 +1386,6 @@ static void __init xen_hvm_guest_init(void) xen_hvm_smp_init(); register_cpu_notifier(&xen_hvm_cpu_notifier); xen_unplug_emulated_devices(); - have_vcpu_info_placement = 0; x86_init.irqs.intr_init = xen_init_IRQ; xen_hvm_init_time_ops(); xen_hvm_init_mmu_ops(); diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index 6bbfd7a..5a40d24 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -71,7 +71,7 @@ int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes, if (shared == NULL) { struct vm_struct *area = - alloc_vm_area(PAGE_SIZE * max_nr_gframes); + alloc_vm_area(PAGE_SIZE * max_nr_gframes, NULL); BUG_ON(area == NULL); shared = area->addr; *__shared = shared; diff --git a/block/blk-core.c b/block/blk-core.c index f43c8a5..ea70e6c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1379,15 +1379,19 @@ get_rq: */ if (list_empty(&plug->list)) trace_block_plug(q); - else if (!plug->should_sort) { - struct request *__rq; + else { + if (!plug->should_sort) { + struct request *__rq; - __rq = list_entry_rq(plug->list.prev); - if (__rq->q != q) - plug->should_sort = 1; + __rq = list_entry_rq(plug->list.prev); + if (__rq->q != q) + plug->should_sort = 1; + } + if (request_count >= BLK_MAX_REQUEST_COUNT) { + blk_flush_plug_list(plug, false); + trace_block_plug(q); + } } - if (request_count >= BLK_MAX_REQUEST_COUNT) - blk_flush_plug_list(plug, false); list_add_tail(&req->queuelist, &plug->list); drive_stat_acct(req, 1); } else { diff --git a/block/blk-map.c b/block/blk-map.c index e663ac2..164cd00 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -204,10 +204,11 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, if (!iov[i].iov_len) return -EINVAL; - if (uaddr & queue_dma_alignment(q)) { + /* + * Keep going so we check length of all segments + */ + if (uaddr & queue_dma_alignment(q)) unaligned = 1; - break; - } } if (unaligned || (q->dma_pad_mask & len) || map_data) diff --git a/block/genhd.c b/block/genhd.c index 9253839..02e9fca 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -19,7 +19,6 @@ #include <linux/mutex.h> #include <linux/idr.h> #include <linux/log2.h> -#include <linux/ctype.h> #include "blk.h" @@ -916,74 +915,6 @@ static int __init genhd_device_init(void) subsys_initcall(genhd_device_init); -static ssize_t alias_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct gendisk *disk = dev_to_disk(dev); - ssize_t ret = 0; - - if (disk->alias) - ret = snprintf(buf, ALIAS_LEN, "%s\n", disk->alias); - return ret; -} - -static ssize_t alias_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct gendisk *disk = dev_to_disk(dev); - char *alias; - char *envp[] = { NULL, NULL }; - unsigned char c; - int i; - ssize_t ret = count; - - if (!count) - return -EINVAL; - - if (count >= ALIAS_LEN) { - printk(KERN_ERR "alias: alias is too long\n"); - return -EINVAL; - } - - /* Validation check */ - for (i = 0; i < count; i++) { - c = buf[i]; - if (i == count - 1 && c == '\n') - break; - if (!isalnum(c) && c != '_' && c != '-') { - printk(KERN_ERR "alias: invalid alias\n"); - return -EINVAL; - } - } - - if (disk->alias) { - printk(KERN_INFO "alias: %s is already assigned (%s)\n", - disk->disk_name, disk->alias); - return -EINVAL; - } - - alias = kasprintf(GFP_KERNEL, "%s", buf); - if (!alias) - return -ENOMEM; - - if (alias[count - 1] == '\n') - alias[count - 1] = '\0'; - - envp[0] = kasprintf(GFP_KERNEL, "ALIAS=%s", alias); - if (!envp[0]) { - kfree(alias); - return -ENOMEM; - } - - disk->alias = alias; - printk(KERN_INFO "alias: assigned %s to %s\n", alias, disk->disk_name); - - kobject_uevent_env(&dev->kobj, KOBJ_ADD, envp); - - kfree(envp[0]); - return ret; -} - static ssize_t disk_range_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1043,7 +974,6 @@ static ssize_t disk_discard_alignment_show(struct device *dev, return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue)); } -static DEVICE_ATTR(alias, S_IRUGO|S_IWUSR, alias_show, alias_store); static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); @@ -1066,7 +996,6 @@ static struct device_attribute dev_attr_fail_timeout = #endif static struct attribute *disk_attrs[] = { - &dev_attr_alias.attr, &dev_attr_range.attr, &dev_attr_ext_range.attr, &dev_attr_removable.attr, diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index ec55595..43b8758 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -67,7 +67,7 @@ static int __init ahci_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct ahci_platform_data *pdata = dev_get_platdata(dev); const struct platform_device_id *id = platform_get_device_id(pdev); - struct ata_port_info pi = ahci_port_info[id->driver_data]; + struct ata_port_info pi = ahci_port_info[id ? id->driver_data : 0]; const struct ata_port_info *ppi[] = { &pi, NULL }; struct ahci_host_priv *hpriv; struct ata_host *host; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 63d5327..4cadfa2 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -2533,10 +2533,12 @@ static int ata_pci_init_one(struct pci_dev *pdev, if (rc) goto out; +#ifdef CONFIG_ATA_BMDMA if (bmdma) /* prepare and activate BMDMA host */ rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host); else +#endif /* prepare and activate SFF host */ rc = ata_pci_sff_prepare_host(pdev, ppi, &host); if (rc) @@ -2544,10 +2546,12 @@ static int ata_pci_init_one(struct pci_dev *pdev, host->private_data = host_priv; host->flags |= hflags; +#ifdef CONFIG_ATA_BMDMA if (bmdma) { pci_set_master(pdev); rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht); } else +#endif rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht); out: if (rc == 0) diff --git a/drivers/base/core.c b/drivers/base/core.c index 82c86545..d8b3d89 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -22,6 +22,7 @@ #include <linux/kallsyms.h> #include <linux/mutex.h> #include <linux/async.h> +#include <linux/pm_runtime.h> #include "base.h" #include "power/power.h" @@ -1742,6 +1743,8 @@ void device_shutdown(void) */ list_del_init(&dev->kobj.entry); spin_unlock(&devices_kset->list_lock); + /* Disable all device's runtime power management */ + pm_runtime_disable(dev); if (dev->bus && dev->bus->shutdown) { dev_dbg(dev, "shutdown\n"); diff --git a/drivers/base/node.c b/drivers/base/node.c index 793f796..5693ece 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -127,12 +127,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev, nid, K(node_page_state(nid, NR_WRITEBACK)), nid, K(node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(nid, NR_FILE_MAPPED)), - nid, K(node_page_state(nid, NR_ANON_PAGES) #ifdef CONFIG_TRANSPARENT_HUGEPAGE + nid, K(node_page_state(nid, NR_ANON_PAGES) + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * - HPAGE_PMD_NR + HPAGE_PMD_NR), +#else + nid, K(node_page_state(nid, NR_ANON_PAGES)), #endif - ), nid, K(node_page_state(nid, NR_SHMEM)), nid, node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, @@ -143,13 +144,14 @@ static ssize_t node_read_meminfo(struct sys_device * dev, nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) + node_page_state(nid, NR_SLAB_UNRECLAIMABLE)), nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)), - nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)) #ifdef CONFIG_TRANSPARENT_HUGEPAGE + nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)) , nid, K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * - HPAGE_PMD_NR) + HPAGE_PMD_NR)); +#else + nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))); #endif - ); n += hugetlb_report_node_meminfo(nid, buf + n); return n; } diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 5f0f85d..428e55e 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -229,7 +229,8 @@ int pm_clk_suspend(struct device *dev) list_for_each_entry_reverse(ce, &psd->clock_list, node) { if (ce->status < PCE_STATUS_ERROR) { - clk_disable(ce->clk); + if (ce->status == PCE_STATUS_ENABLED) + clk_disable(ce->clk); ce->status = PCE_STATUS_ACQUIRED; } } diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 7fa0984..c3d2dfc 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -920,7 +920,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) End: if (!error) { dev->power.is_suspended = true; - if (dev->power.wakeup_path && dev->parent) + if (dev->power.wakeup_path + && dev->parent && !dev->parent->power.ignore_children) dev->parent->power.wakeup_path = true; } diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 30a94ea..86de6c5 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -212,11 +212,9 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, if (!dev || !req) /*guard against callers passing in null */ return -EINVAL; - if (dev_pm_qos_request_active(req)) { - WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already " - "added request\n"); + if (WARN(dev_pm_qos_request_active(req), + "%s() called for already added request\n", __func__)) return -EINVAL; - } req->dev = dev; @@ -271,11 +269,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req, if (!req) /*guard against callers passing in null */ return -EINVAL; - if (!dev_pm_qos_request_active(req)) { - WARN(1, KERN_ERR "dev_pm_qos_update_request() called for " - "unknown object\n"); + if (WARN(!dev_pm_qos_request_active(req), + "%s() called for unknown object\n", __func__)) return -EINVAL; - } mutex_lock(&dev_pm_qos_mtx); @@ -312,11 +308,9 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req) if (!req) /*guard against callers passing in null */ return -EINVAL; - if (!dev_pm_qos_request_active(req)) { - WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for " - "unknown object\n"); + if (WARN(!dev_pm_qos_request_active(req), + "%s() called for unknown object\n", __func__)) return -EINVAL; - } mutex_lock(&dev_pm_qos_mtx); diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 486f94e..8004ac3 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/delay.h> @@ -4319,6 +4320,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *h) dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); return -ENODEV; } + + pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | + PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); + err = pci_enable_device(h->pdev); if (err) { dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n"); @@ -5158,6 +5163,7 @@ reinit_after_soft_reset: h->cciss_max_sectors = 8192; rebuild_lun_table(h, 1, 0); + cciss_engage_scsi(h); h->busy_initializing = 0; return 1; diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 951a4e3..e820b68 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -1720,5 +1720,6 @@ static int cciss_eh_abort_handler(struct scsi_cmnd *scsicmd) /* If no tape support, then these become defined out of existence */ #define cciss_scsi_setup(cntl_num) +#define cciss_engage_scsi(h) #endif /* CONFIG_CISS_SCSI_TAPE */ diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 3d80682..68b205a 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -161,17 +161,19 @@ static struct loop_func_table *xfer_funcs[MAX_LO_CRYPT] = { &xor_funcs }; -static loff_t get_loop_size(struct loop_device *lo, struct file *file) +static loff_t get_size(loff_t offset, loff_t sizelimit, struct file *file) { - loff_t size, offset, loopsize; + loff_t size, loopsize; /* Compute loopsize in bytes */ size = i_size_read(file->f_mapping->host); - offset = lo->lo_offset; loopsize = size - offset; - if (lo->lo_sizelimit > 0 && lo->lo_sizelimit < loopsize) - loopsize = lo->lo_sizelimit; + /* offset is beyond i_size, wierd but possible */ + if (loopsize < 0) + return 0; + if (sizelimit > 0 && sizelimit < loopsize) + loopsize = sizelimit; /* * Unfortunately, if we want to do I/O on the device, * the number of 512-byte sectors has to fit into a sector_t. @@ -179,17 +181,25 @@ static loff_t get_loop_size(struct loop_device *lo, struct file *file) return loopsize >> 9; } +static loff_t get_loop_size(struct loop_device *lo, struct file *file) +{ + return get_size(lo->lo_offset, lo->lo_sizelimit, file); +} + static int -figure_loop_size(struct loop_device *lo) +figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit) { - loff_t size = get_loop_size(lo, lo->lo_backing_file); + loff_t size = get_size(offset, sizelimit, lo->lo_backing_file); sector_t x = (sector_t)size; if (unlikely((loff_t)x != size)) return -EFBIG; - + if (lo->lo_offset != offset) + lo->lo_offset = offset; + if (lo->lo_sizelimit != sizelimit) + lo->lo_sizelimit = sizelimit; set_capacity(lo->lo_disk, x); - return 0; + return 0; } static inline int @@ -372,7 +382,8 @@ do_lo_receive(struct loop_device *lo, if (retval < 0) return retval; - + if (retval != bvec->bv_len) + return -EIO; return 0; } @@ -1058,9 +1069,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info) if (lo->lo_offset != info->lo_offset || lo->lo_sizelimit != info->lo_sizelimit) { - lo->lo_offset = info->lo_offset; - lo->lo_sizelimit = info->lo_sizelimit; - if (figure_loop_size(lo)) + if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit)) return -EFBIG; } loop_config_discard(lo); @@ -1246,7 +1255,7 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev) err = -ENXIO; if (unlikely(lo->lo_state != Lo_bound)) goto out; - err = figure_loop_size(lo); + err = figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit); if (unlikely(err)) goto out; sec = get_capacity(lo->lo_disk); @@ -1284,13 +1293,19 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode, goto out_unlocked; break; case LOOP_SET_STATUS: - err = loop_set_status_old(lo, (struct loop_info __user *) arg); + err = -EPERM; + if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN)) + err = loop_set_status_old(lo, + (struct loop_info __user *)arg); break; case LOOP_GET_STATUS: err = loop_get_status_old(lo, (struct loop_info __user *) arg); break; case LOOP_SET_STATUS64: - err = loop_set_status64(lo, (struct loop_info64 __user *) arg); + err = -EPERM; + if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN)) + err = loop_set_status64(lo, + (struct loop_info64 __user *) arg); break; case LOOP_GET_STATUS64: err = loop_get_status64(lo, (struct loop_info64 __user *) arg); diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index 6b9a200..a79fb4f 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -630,6 +630,7 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t if (dev->status & 0x10) return -ETIME; + memset(&hdr, 0, sizeof(hdr)); hdr.magic = PG_MAGIC; hdr.dlen = dev->dlen; copy = 0; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index f9b7260..fe4ebc3 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -100,6 +100,9 @@ static struct usb_device_id btusb_table[] = { /* Canyon CN-BTU1 with HID interfaces */ { USB_DEVICE(0x0c10, 0x0000) }, + /* Broadcom BCM20702A0 */ + { USB_DEVICE(0x413c, 0x8197) }, + { } /* Terminating entry */ }; diff --git a/drivers/char/random.c b/drivers/char/random.c index 63e19ba..6035ab8 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -941,7 +941,7 @@ void get_random_bytes(void *buf, int nbytes) if (!arch_get_random_long(&v)) break; - memcpy(buf, &v, chunk); + memcpy(p, &v, chunk); p += chunk; nbytes -= chunk; } diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 643b055..8f04910 100644 --- a/drivers/devfreq/Kconfig +++ b/drivers/devfreq/Kconfig @@ -1,36 +1,29 @@ -config ARCH_HAS_DEVFREQ - bool - depends on ARCH_HAS_OPP - help - Denotes that the architecture supports DEVFREQ. If the architecture - supports multiple OPP entries per device and the frequency of the - devices with OPPs may be altered dynamically, the architecture - supports DEVFREQ. - menuconfig PM_DEVFREQ bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support" - depends on PM_OPP && ARCH_HAS_DEVFREQ help - With OPP support, a device may have a list of frequencies and - voltages available. DEVFREQ, a generic DVFS framework can be - registered for a device with OPP support in order to let the - governor provided to DEVFREQ choose an operating frequency - based on the OPP's list and the policy given with DEVFREQ. + A device may have a list of frequencies and voltages available. + devfreq, a generic DVFS framework can be registered for a device + in order to let the governor provided to devfreq choose an + operating frequency based on the device driver's policy. - Each device may have its own governor and policy. DEVFREQ can + Each device may have its own governor and policy. Devfreq can reevaluate the device state periodically and/or based on the - OPP list changes (each frequency/voltage pair in OPP may be - disabled or enabled). + notification to "nb", a notifier block, of devfreq. - Like some CPUs with CPUFREQ, a device may have multiple clocks. + Like some CPUs with CPUfreq, a device may have multiple clocks. However, because the clock frequencies of a single device are - determined by the single device's state, an instance of DEVFREQ + determined by the single device's state, an instance of devfreq is attached to a single device and returns a "representative" - clock frequency from the OPP of the device, which is also attached - to a device by 1-to-1. The device registering DEVFREQ takes the - responsiblity to "interpret" the frequency listed in OPP and + clock frequency of the device, which is also attached + to a device by 1-to-1. The device registering devfreq takes the + responsiblity to "interpret" the representative frequency and to set its every clock accordingly with the "target" callback - given to DEVFREQ. + given to devfreq. + + When OPP is used with the devfreq device, it is recommended to + register devfreq's nb to the OPP's notifier head. If OPP is + used with the devfreq device, you may use OPP helper + functions defined in devfreq.h. if PM_DEVFREQ diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 5d15b81..59d24e9 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -15,7 +15,9 @@ #include <linux/errno.h> #include <linux/err.h> #include <linux/init.h> +#include <linux/module.h> #include <linux/slab.h> +#include <linux/stat.h> #include <linux/opp.h> #include <linux/devfreq.h> #include <linux/workqueue.h> @@ -416,10 +418,14 @@ out: */ int devfreq_remove_device(struct devfreq *devfreq) { + bool central_polling; + if (!devfreq) return -EINVAL; - if (!devfreq->governor->no_central_polling) { + central_polling = !devfreq->governor->no_central_polling; + + if (central_polling) { mutex_lock(&devfreq_list_lock); while (wait_remove_device == devfreq) { mutex_unlock(&devfreq_list_lock); @@ -431,7 +437,7 @@ int devfreq_remove_device(struct devfreq *devfreq) mutex_lock(&devfreq->lock); _remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */ - if (!devfreq->governor->no_central_polling) + if (central_polling) mutex_unlock(&devfreq_list_lock); return 0; diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index bcb1126..153980b 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -585,14 +585,12 @@ int dmi_name_in_serial(const char *str) } /** - * dmi_name_in_vendors - Check if string is anywhere in the DMI vendor information. + * dmi_name_in_vendors - Check if string is in the DMI system or board vendor name * @str: Case sensitive Name */ int dmi_name_in_vendors(const char *str) { - static int fields[] = { DMI_BIOS_VENDOR, DMI_BIOS_VERSION, DMI_SYS_VENDOR, - DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, DMI_BOARD_VENDOR, - DMI_BOARD_NAME, DMI_BOARD_VERSION, DMI_NONE }; + static int fields[] = { DMI_SYS_VENDOR, DMI_BOARD_VENDOR, DMI_NONE }; int i; for (i = 0; fields[i] != DMI_NONE; i++) { int f = fields[i]; diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 405c63b..8323fc3 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1873,6 +1873,10 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, } if (num_clips && clips_ptr) { + if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { + ret = -EINVAL; + goto out_err1; + } clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); if (!clips) { ret = -ENOMEM; diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 68b7562..44a5d0a 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -110,10 +110,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) /* Prevent vblank irq processing while disabling vblank irqs, * so no updates of timestamps or count can happen after we've * disabled. Needed to prevent races in case of delayed irq's. - * Disable preemption, so vblank_time_lock is held as short as - * possible, even under a kernel with PREEMPT_RT patches. */ - preempt_disable(); spin_lock_irqsave(&dev->vblank_time_lock, irqflags); dev->driver->disable_vblank(dev, crtc); @@ -164,7 +161,6 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc) clear_vblank_timestamps(dev, crtc); spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags); - preempt_enable(); } static void vblank_disable_fn(unsigned long arg) @@ -889,10 +885,6 @@ int drm_vblank_get(struct drm_device *dev, int crtc) spin_lock_irqsave(&dev->vbl_lock, irqflags); /* Going from 0->1 means we have to enable interrupts again */ if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1) { - /* Disable preemption while holding vblank_time_lock. Do - * it explicitely to guard against PREEMPT_RT kernel. - */ - preempt_disable(); spin_lock_irqsave(&dev->vblank_time_lock, irqflags2); if (!dev->vblank_enabled[crtc]) { /* Enable vblank irqs under vblank_time_lock protection. @@ -912,7 +904,6 @@ int drm_vblank_get(struct drm_device *dev, int crtc) } } spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags2); - preempt_enable(); } else { if (!dev->vblank_enabled[crtc]) { atomic_dec(&dev->vblank_refcount[crtc]); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 4f40f1c..d09a6e0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -636,11 +636,16 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data) struct drm_device *dev = node->minor->dev; drm_i915_private_t *dev_priv = dev->dev_private; struct intel_ring_buffer *ring; + int ret; ring = &dev_priv->ring[(uintptr_t)node->info_ent->data]; if (ring->size == 0) return 0; + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + seq_printf(m, "Ring %s:\n", ring->name); seq_printf(m, " Head : %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR); seq_printf(m, " Tail : %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR); @@ -654,6 +659,8 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data) seq_printf(m, " Control : %08x\n", I915_READ_CTL(ring)); seq_printf(m, " Start : %08x\n", I915_READ_START(ring)); + mutex_unlock(&dev->struct_mutex); + return 0; } @@ -842,7 +849,16 @@ static int i915_rstdby_delays(struct seq_file *m, void *unused) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; drm_i915_private_t *dev_priv = dev->dev_private; - u16 crstanddelay = I915_READ16(CRSTANDVID); + u16 crstanddelay; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + + crstanddelay = I915_READ16(CRSTANDVID); + + mutex_unlock(&dev->struct_mutex); seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f)); @@ -940,7 +956,11 @@ static int i915_delayfreq_table(struct seq_file *m, void *unused) struct drm_device *dev = node->minor->dev; drm_i915_private_t *dev_priv = dev->dev_private; u32 delayfreq; - int i; + int ret, i; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; for (i = 0; i < 16; i++) { delayfreq = I915_READ(PXVFREQ_BASE + i * 4); @@ -948,6 +968,8 @@ static int i915_delayfreq_table(struct seq_file *m, void *unused) (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT); } + mutex_unlock(&dev->struct_mutex); + return 0; } @@ -962,13 +984,19 @@ static int i915_inttoext_table(struct seq_file *m, void *unused) struct drm_device *dev = node->minor->dev; drm_i915_private_t *dev_priv = dev->dev_private; u32 inttoext; - int i; + int ret, i; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; for (i = 1; i <= 32; i++) { inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4); seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext); } + mutex_unlock(&dev->struct_mutex); + return 0; } @@ -977,9 +1005,19 @@ static int i915_drpc_info(struct seq_file *m, void *unused) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; drm_i915_private_t *dev_priv = dev->dev_private; - u32 rgvmodectl = I915_READ(MEMMODECTL); - u32 rstdbyctl = I915_READ(RSTDBYCTL); - u16 crstandvid = I915_READ16(CRSTANDVID); + u32 rgvmodectl, rstdbyctl; + u16 crstandvid; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + + rgvmodectl = I915_READ(MEMMODECTL); + rstdbyctl = I915_READ(RSTDBYCTL); + crstandvid = I915_READ16(CRSTANDVID); + + mutex_unlock(&dev->struct_mutex); seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ? "yes" : "no"); @@ -1167,9 +1205,16 @@ static int i915_gfxec(struct seq_file *m, void *unused) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; drm_i915_private_t *dev_priv = dev->dev_private; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4)); + mutex_unlock(&dev->struct_mutex); + return 0; } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e9c2cfe..15bfa91 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -68,7 +68,7 @@ module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); MODULE_PARM_DESC(i915_enable_rc6, "Enable power-saving render C-state 6 (default: true)"); -unsigned int i915_enable_fbc __read_mostly = -1; +int i915_enable_fbc __read_mostly = -1; module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); MODULE_PARM_DESC(i915_enable_fbc, "Enable frame buffer compression for power savings " @@ -80,7 +80,7 @@ MODULE_PARM_DESC(lvds_downclock, "Use panel (LVDS/eDP) downclocking for power savings " "(default: false)"); -unsigned int i915_panel_use_ssc __read_mostly = -1; +int i915_panel_use_ssc __read_mostly = -1; module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600); MODULE_PARM_DESC(lvds_use_ssc, "Use Spread Spectrum Clock with panels [LVDS/eDP] " @@ -107,7 +107,7 @@ static struct drm_driver driver; extern int intel_agp_enabled; #define INTEL_VGA_DEVICE(id, info) { \ - .class = PCI_CLASS_DISPLAY_VGA << 8, \ + .class = PCI_BASE_CLASS_DISPLAY << 16, \ .class_mask = 0xff0000, \ .vendor = 0x8086, \ .device = id, \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 06a37f4..4a9c1b9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -126,6 +126,9 @@ struct drm_i915_master_private { struct _drm_i915_sarea *sarea_priv; }; #define I915_FENCE_REG_NONE -1 +#define I915_MAX_NUM_FENCES 16 +/* 16 fences + sign bit for FENCE_REG_NONE */ +#define I915_MAX_NUM_FENCE_BITS 5 struct drm_i915_fence_reg { struct list_head lru_list; @@ -168,7 +171,7 @@ struct drm_i915_error_state { u32 instdone1; u32 seqno; u64 bbaddr; - u64 fence[16]; + u64 fence[I915_MAX_NUM_FENCES]; struct timeval time; struct drm_i915_error_object { int page_count; @@ -182,7 +185,7 @@ struct drm_i915_error_state { u32 gtt_offset; u32 read_domains; u32 write_domain; - s32 fence_reg:5; + s32 fence_reg:I915_MAX_NUM_FENCE_BITS; s32 pinned:2; u32 tiling:2; u32 dirty:1; @@ -375,7 +378,7 @@ typedef struct drm_i915_private { struct notifier_block lid_notifier; int crt_ddc_pin; - struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */ + struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */ int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */ int num_fence_regs; /* 8 on pre-965, 16 otherwise */ @@ -506,7 +509,7 @@ typedef struct drm_i915_private { u8 saveAR[21]; u8 saveDACMASK; u8 saveCR[37]; - uint64_t saveFENCE[16]; + uint64_t saveFENCE[I915_MAX_NUM_FENCES]; u32 saveCURACNTR; u32 saveCURAPOS; u32 saveCURABASE; @@ -777,10 +780,8 @@ struct drm_i915_gem_object { * Fence register bits (if any) for this object. Will be set * as needed when mapped into the GTT. * Protected by dev->struct_mutex. - * - * Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE) */ - signed int fence_reg:5; + signed int fence_reg:I915_MAX_NUM_FENCE_BITS; /** * Advice: are the backing pages purgeable? @@ -999,10 +1000,10 @@ extern int i915_panel_ignore_lid __read_mostly; extern unsigned int i915_powersave __read_mostly; extern unsigned int i915_semaphores __read_mostly; extern unsigned int i915_lvds_downclock __read_mostly; -extern unsigned int i915_panel_use_ssc __read_mostly; +extern int i915_panel_use_ssc __read_mostly; extern int i915_vbt_sdvo_panel_type __read_mostly; extern unsigned int i915_enable_rc6 __read_mostly; -extern unsigned int i915_enable_fbc __read_mostly; +extern int i915_enable_fbc __read_mostly; extern bool i915_enable_hangcheck __read_mostly; extern int i915_suspend(struct drm_device *dev, pm_message_t state); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index d18b07a..8359dc7 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1745,7 +1745,7 @@ static void i915_gem_reset_fences(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int i; - for (i = 0; i < 16; i++) { + for (i = 0; i < dev_priv->num_fence_regs; i++) { struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i]; struct drm_i915_gem_object *obj = reg->obj; @@ -3512,9 +3512,11 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, * so emit a request to do so. */ request = kzalloc(sizeof(*request), GFP_KERNEL); - if (request) + if (request) { ret = i915_add_request(obj->ring, NULL, request); - else + if (ret) + kfree(request); + } else ret = -ENOMEM; } @@ -3613,7 +3615,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, obj->base.write_domain = I915_GEM_DOMAIN_CPU; obj->base.read_domains = I915_GEM_DOMAIN_CPU; - if (IS_GEN6(dev)) { + if (IS_GEN6(dev) || IS_GEN7(dev)) { /* On Gen6, we can have the GPU use the LLC (the CPU * cache) for about a 10% performance improvement * compared to uncached. Graphics requests other than @@ -3877,7 +3879,7 @@ i915_gem_load(struct drm_device *dev) INIT_LIST_HEAD(&dev_priv->mm.gtt_list); for (i = 0; i < I915_NUM_RINGS; i++) init_ring_lists(&dev_priv->ring[i]); - for (i = 0; i < 16; i++) + for (i = 0; i < I915_MAX_NUM_FENCES; i++) INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list); INIT_DELAYED_WORK(&dev_priv->mm.retire_work, i915_gem_retire_work_handler); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 9ee2729..b40004b 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -824,6 +824,7 @@ static void i915_gem_record_fences(struct drm_device *dev, /* Fences */ switch (INTEL_INFO(dev)->gen) { + case 7: case 6: for (i = 0; i < 16; i++) error->fence[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8)); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5a09416..b080cc8 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1553,12 +1553,21 @@ */ #define PP_READY (1 << 30) #define PP_SEQUENCE_NONE (0 << 28) -#define PP_SEQUENCE_ON (1 << 28) -#define PP_SEQUENCE_OFF (2 << 28) -#define PP_SEQUENCE_MASK 0x30000000 +#define PP_SEQUENCE_POWER_UP (1 << 28) +#define PP_SEQUENCE_POWER_DOWN (2 << 28) +#define PP_SEQUENCE_MASK (3 << 28) +#define PP_SEQUENCE_SHIFT 28 #define PP_CYCLE_DELAY_ACTIVE (1 << 27) -#define PP_SEQUENCE_STATE_ON_IDLE (1 << 3) #define PP_SEQUENCE_STATE_MASK 0x0000000f +#define PP_SEQUENCE_STATE_OFF_IDLE (0x0 << 0) +#define PP_SEQUENCE_STATE_OFF_S0_1 (0x1 << 0) +#define PP_SEQUENCE_STATE_OFF_S0_2 (0x2 << 0) +#define PP_SEQUENCE_STATE_OFF_S0_3 (0x3 << 0) +#define PP_SEQUENCE_STATE_ON_IDLE (0x8 << 0) +#define PP_SEQUENCE_STATE_ON_S1_0 (0x9 << 0) +#define PP_SEQUENCE_STATE_ON_S1_2 (0xa << 0) +#define PP_SEQUENCE_STATE_ON_S1_3 (0xb << 0) +#define PP_SEQUENCE_STATE_RESET (0xf << 0) #define PP_CONTROL 0x61204 #define POWER_TARGET_ON (1 << 0) #define PP_ON_DELAYS 0x61208 @@ -3444,6 +3453,10 @@ #define GT_FIFO_FREE_ENTRIES 0x120008 #define GT_FIFO_NUM_RESERVED_ENTRIES 20 +#define GEN6_UCGCTL2 0x9404 +# define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE (1 << 12) +# define GEN6_RCCUNIT_CLOCK_GATE_DISABLE (1 << 11) + #define GEN6_RPNSWREQ 0xA008 #define GEN6_TURBO_DISABLE (1<<31) #define GEN6_FREQUENCY(x) ((x)<<25) diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index f8f602d..7886e4f 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -370,6 +370,7 @@ static void i915_save_modeset_reg(struct drm_device *dev) /* Fences */ switch (INTEL_INFO(dev)->gen) { + case 7: case 6: for (i = 0; i < 16; i++) dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8)); @@ -404,6 +405,7 @@ static void i915_restore_modeset_reg(struct drm_device *dev) /* Fences */ switch (INTEL_INFO(dev)->gen) { + case 7: case 6: for (i = 0; i < 16; i++) I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 981b1f1..e77a863 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2933,7 +2933,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc) /* For PCH DP, enable TRANS_DP_CTL */ if (HAS_PCH_CPT(dev) && - intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { + (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || + intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5; reg = TRANS_DP_CTL(pipe); temp = I915_READ(reg); @@ -4711,7 +4712,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, lvds_bpc = 6; if (lvds_bpc < display_bpc) { - DRM_DEBUG_DRIVER("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc); + DRM_DEBUG_KMS("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc); display_bpc = lvds_bpc; } continue; @@ -4722,7 +4723,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, unsigned int edp_bpc = dev_priv->edp.bpp / 3; if (edp_bpc < display_bpc) { - DRM_DEBUG_DRIVER("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc); + DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc); display_bpc = edp_bpc; } continue; @@ -4737,7 +4738,7 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, /* Don't use an invalid EDID bpc value */ if (connector->display_info.bpc && connector->display_info.bpc < display_bpc) { - DRM_DEBUG_DRIVER("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc); + DRM_DEBUG_KMS("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc); display_bpc = connector->display_info.bpc; } } @@ -4748,10 +4749,10 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, */ if (intel_encoder->type == INTEL_OUTPUT_HDMI) { if (display_bpc > 8 && display_bpc < 12) { - DRM_DEBUG_DRIVER("forcing bpc to 12 for HDMI\n"); + DRM_DEBUG_KMS("forcing bpc to 12 for HDMI\n"); display_bpc = 12; } else { - DRM_DEBUG_DRIVER("forcing bpc to 8 for HDMI\n"); + DRM_DEBUG_KMS("forcing bpc to 8 for HDMI\n"); display_bpc = 8; } } @@ -4789,8 +4790,8 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, display_bpc = min(display_bpc, bpc); - DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n", - bpc, display_bpc); + DRM_DEBUG_KMS("setting pipe bpc to %d (max display bpc %d)\n", + bpc, display_bpc); *pipe_bpp = display_bpc * 3; @@ -5671,7 +5672,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, pipeconf &= ~PIPECONF_DITHER_TYPE_MASK; if ((is_lvds && dev_priv->lvds_dither) || dither) { pipeconf |= PIPECONF_DITHER_EN; - pipeconf |= PIPECONF_DITHER_TYPE_ST1; + pipeconf |= PIPECONF_DITHER_TYPE_SP; } if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base)) { intel_dp_set_m_n(crtc, mode, adjusted_mode); @@ -8148,6 +8149,20 @@ static void gen6_init_clock_gating(struct drm_device *dev) I915_WRITE(WM2_LP_ILK, 0); I915_WRITE(WM1_LP_ILK, 0); + /* According to the BSpec vol1g, bit 12 (RCPBUNIT) clock + * gating disable must be set. Failure to set it results in + * flickering pixels due to Z write ordering failures after + * some amount of runtime in the Mesa "fire" demo, and Unigine + * Sanctuary and Tropics, and apparently anything else with + * alpha test or pixel discard. + * + * According to the spec, bit 11 (RCCUNIT) must also be set, + * but we didn't debug actual testcases to find it out. + */ + I915_WRITE(GEN6_UCGCTL2, + GEN6_RCPBUNIT_CLOCK_GATE_DISABLE | + GEN6_RCCUNIT_CLOCK_GATE_DISABLE); + /* * According to the spec the following bits should be * set in order to enable memory self-refresh and fbc: diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 09b318b..4d0358f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -59,7 +59,6 @@ struct intel_dp { struct i2c_algo_dp_aux_data algo; bool is_pch_edp; uint8_t train_set[4]; - uint8_t link_status[DP_LINK_STATUS_SIZE]; int panel_power_up_delay; int panel_power_down_delay; int panel_power_cycle_delay; @@ -68,7 +67,6 @@ struct intel_dp { struct drm_display_mode *panel_fixed_mode; /* for eDP */ struct delayed_work panel_vdd_work; bool want_panel_vdd; - unsigned long panel_off_jiffies; }; /** @@ -157,16 +155,12 @@ intel_edp_link_config(struct intel_encoder *intel_encoder, static int intel_dp_max_lane_count(struct intel_dp *intel_dp) { - int max_lane_count = 4; - - if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) { - max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f; - switch (max_lane_count) { - case 1: case 2: case 4: - break; - default: - max_lane_count = 4; - } + int max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f; + switch (max_lane_count) { + case 1: case 2: case 4: + break; + default: + max_lane_count = 4; } return max_lane_count; } @@ -768,12 +762,11 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, continue; intel_dp = enc_to_intel_dp(encoder); - if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) { + if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT || + intel_dp->base.type == INTEL_OUTPUT_EDP) + { lane_count = intel_dp->lane_count; break; - } else if (is_edp(intel_dp)) { - lane_count = dev_priv->edp.lanes; - break; } } @@ -810,6 +803,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { struct drm_device *dev = encoder->dev; + struct drm_i915_private *dev_priv = dev->dev_private; struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct drm_crtc *crtc = intel_dp->base.base.crtc; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -822,18 +816,31 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, ironlake_edp_pll_off(encoder); } - intel_dp->DP = DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0; - intel_dp->DP |= intel_dp->color_range; + /* + * There are three kinds of DP registers: + * + * IBX PCH + * CPU + * CPT PCH + * + * IBX PCH and CPU are the same for almost everything, + * except that the CPU DP PLL is configured in this + * register + * + * CPT PCH is quite different, having many bits moved + * to the TRANS_DP_CTL register instead. That + * configuration happens (oddly) in ironlake_pch_enable + */ - if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) - intel_dp->DP |= DP_SYNC_HS_HIGH; - if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) - intel_dp->DP |= DP_SYNC_VS_HIGH; + /* Preserve the BIOS-computed detected bit. This is + * supposed to be read-only. + */ + intel_dp->DP = I915_READ(intel_dp->output_reg) & DP_DETECTED; + intel_dp->DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0; - if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) - intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT; - else - intel_dp->DP |= DP_LINK_TRAIN_OFF; + /* Handle DP bits in common between all three register formats */ + + intel_dp->DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0; switch (intel_dp->lane_count) { case 1: @@ -852,59 +859,106 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE; intel_write_eld(encoder, adjusted_mode); } - memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE); intel_dp->link_configuration[0] = intel_dp->link_bw; intel_dp->link_configuration[1] = intel_dp->lane_count; intel_dp->link_configuration[8] = DP_SET_ANSI_8B10B; - /* * Check for DPCD version > 1.1 and enhanced framing support */ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 && (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) { intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN; - intel_dp->DP |= DP_ENHANCED_FRAMING; } - /* CPT DP's pipe select is decided in TRANS_DP_CTL */ - if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev)) - intel_dp->DP |= DP_PIPEB_SELECT; + /* Split out the IBX/CPU vs CPT settings */ - if (is_cpu_edp(intel_dp)) { - /* don't miss out required setting for eDP */ - intel_dp->DP |= DP_PLL_ENABLE; - if (adjusted_mode->clock < 200000) - intel_dp->DP |= DP_PLL_FREQ_160MHZ; - else - intel_dp->DP |= DP_PLL_FREQ_270MHZ; + if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) { + intel_dp->DP |= intel_dp->color_range; + + if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) + intel_dp->DP |= DP_SYNC_HS_HIGH; + if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) + intel_dp->DP |= DP_SYNC_VS_HIGH; + intel_dp->DP |= DP_LINK_TRAIN_OFF; + + if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN) + intel_dp->DP |= DP_ENHANCED_FRAMING; + + if (intel_crtc->pipe == 1) + intel_dp->DP |= DP_PIPEB_SELECT; + + if (is_cpu_edp(intel_dp)) { + /* don't miss out required setting for eDP */ + intel_dp->DP |= DP_PLL_ENABLE; + if (adjusted_mode->clock < 200000) + intel_dp->DP |= DP_PLL_FREQ_160MHZ; + else + intel_dp->DP |= DP_PLL_FREQ_270MHZ; + } + } else { + intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT; } } -static void ironlake_wait_panel_off(struct intel_dp *intel_dp) +#define IDLE_ON_MASK (PP_ON | 0 | PP_SEQUENCE_MASK | 0 | PP_SEQUENCE_STATE_MASK) +#define IDLE_ON_VALUE (PP_ON | 0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_ON_IDLE) + +#define IDLE_OFF_MASK (PP_ON | 0 | PP_SEQUENCE_MASK | 0 | PP_SEQUENCE_STATE_MASK) +#define IDLE_OFF_VALUE (0 | 0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_OFF_IDLE) + +#define IDLE_CYCLE_MASK (PP_ON | 0 | PP_SEQUENCE_MASK | PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK) +#define IDLE_CYCLE_VALUE (0 | 0 | PP_SEQUENCE_NONE | 0 | PP_SEQUENCE_STATE_OFF_IDLE) + +static void ironlake_wait_panel_status(struct intel_dp *intel_dp, + u32 mask, + u32 value) { - unsigned long off_time; - unsigned long delay; + struct drm_device *dev = intel_dp->base.base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; - DRM_DEBUG_KMS("Wait for panel power off time\n"); + DRM_DEBUG_KMS("mask %08x value %08x status %08x control %08x\n", + mask, value, + I915_READ(PCH_PP_STATUS), + I915_READ(PCH_PP_CONTROL)); - if (ironlake_edp_have_panel_power(intel_dp) || - ironlake_edp_have_panel_vdd(intel_dp)) - { - DRM_DEBUG_KMS("Panel still on, no delay needed\n"); - return; + if (_wait_for((I915_READ(PCH_PP_STATUS) & mask) == value, 5000, 10)) { + DRM_ERROR("Panel status timeout: status %08x control %08x\n", + I915_READ(PCH_PP_STATUS), + I915_READ(PCH_PP_CONTROL)); } +} - off_time = intel_dp->panel_off_jiffies + msecs_to_jiffies(intel_dp->panel_power_down_delay); - if (time_after(jiffies, off_time)) { - DRM_DEBUG_KMS("Time already passed"); - return; - } - delay = jiffies_to_msecs(off_time - jiffies); - if (delay > intel_dp->panel_power_down_delay) - delay = intel_dp->panel_power_down_delay; - DRM_DEBUG_KMS("Waiting an additional %ld ms\n", delay); - msleep(delay); +static void ironlake_wait_panel_on(struct intel_dp *intel_dp) +{ + DRM_DEBUG_KMS("Wait for panel power on\n"); + ironlake_wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE); +} + +static void ironlake_wait_panel_off(struct intel_dp *intel_dp) +{ + DRM_DEBUG_KMS("Wait for panel power off time\n"); + ironlake_wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE); +} + +static void ironlake_wait_panel_power_cycle(struct intel_dp *intel_dp) +{ + DRM_DEBUG_KMS("Wait for panel power cycle\n"); + ironlake_wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE); +} + + +/* Read the current pp_control value, unlocking the register if it + * is locked + */ + +static u32 ironlake_get_pp_control(struct drm_i915_private *dev_priv) +{ + u32 control = I915_READ(PCH_PP_CONTROL); + + control &= ~PANEL_UNLOCK_MASK; + control |= PANEL_UNLOCK_REGS; + return control; } static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp) @@ -921,15 +975,16 @@ static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp) "eDP VDD already requested on\n"); intel_dp->want_panel_vdd = true; + if (ironlake_edp_have_panel_vdd(intel_dp)) { DRM_DEBUG_KMS("eDP VDD already on\n"); return; } - ironlake_wait_panel_off(intel_dp); - pp = I915_READ(PCH_PP_CONTROL); - pp &= ~PANEL_UNLOCK_MASK; - pp |= PANEL_UNLOCK_REGS; + if (!ironlake_edp_have_panel_power(intel_dp)) + ironlake_wait_panel_power_cycle(intel_dp); + + pp = ironlake_get_pp_control(dev_priv); pp |= EDP_FORCE_VDD; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); @@ -952,9 +1007,7 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp) u32 pp; if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) { - pp = I915_READ(PCH_PP_CONTROL); - pp &= ~PANEL_UNLOCK_MASK; - pp |= PANEL_UNLOCK_REGS; + pp = ironlake_get_pp_control(dev_priv); pp &= ~EDP_FORCE_VDD; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); @@ -962,7 +1015,8 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp) /* Make sure sequencer is idle before allowing subsequent activity */ DRM_DEBUG_KMS("PCH_PP_STATUS: 0x%08x PCH_PP_CONTROL: 0x%08x\n", I915_READ(PCH_PP_STATUS), I915_READ(PCH_PP_CONTROL)); - intel_dp->panel_off_jiffies = jiffies; + + msleep(intel_dp->panel_power_down_delay); } } @@ -972,9 +1026,9 @@ static void ironlake_panel_vdd_work(struct work_struct *__work) struct intel_dp, panel_vdd_work); struct drm_device *dev = intel_dp->base.base.dev; - mutex_lock(&dev->struct_mutex); + mutex_lock(&dev->mode_config.mutex); ironlake_panel_vdd_off_sync(intel_dp); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev->mode_config.mutex); } static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync) @@ -984,7 +1038,7 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync) DRM_DEBUG_KMS("Turn eDP VDD off %d\n", intel_dp->want_panel_vdd); WARN(!intel_dp->want_panel_vdd, "eDP VDD not forced on"); - + intel_dp->want_panel_vdd = false; if (sync) { @@ -1000,23 +1054,25 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync) } } -/* Returns true if the panel was already on when called */ static void ironlake_edp_panel_on(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 pp, idle_on_mask = PP_ON | PP_SEQUENCE_STATE_ON_IDLE; + u32 pp; if (!is_edp(intel_dp)) return; - if (ironlake_edp_have_panel_power(intel_dp)) + + DRM_DEBUG_KMS("Turn eDP power on\n"); + + if (ironlake_edp_have_panel_power(intel_dp)) { + DRM_DEBUG_KMS("eDP power already on\n"); return; + } - ironlake_wait_panel_off(intel_dp); - pp = I915_READ(PCH_PP_CONTROL); - pp &= ~PANEL_UNLOCK_MASK; - pp |= PANEL_UNLOCK_REGS; + ironlake_wait_panel_power_cycle(intel_dp); + pp = ironlake_get_pp_control(dev_priv); if (IS_GEN5(dev)) { /* ILK workaround: disable reset around power sequence */ pp &= ~PANEL_POWER_RESET; @@ -1025,13 +1081,13 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp) } pp |= POWER_TARGET_ON; + if (!IS_GEN5(dev)) + pp |= PANEL_POWER_RESET; + I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); - if (wait_for((I915_READ(PCH_PP_STATUS) & idle_on_mask) == idle_on_mask, - 5000)) - DRM_ERROR("panel on wait timed out: 0x%08x\n", - I915_READ(PCH_PP_STATUS)); + ironlake_wait_panel_on(intel_dp); if (IS_GEN5(dev)) { pp |= PANEL_POWER_RESET; /* restore panel reset bit */ @@ -1040,46 +1096,25 @@ static void ironlake_edp_panel_on(struct intel_dp *intel_dp) } } -static void ironlake_edp_panel_off(struct drm_encoder *encoder) +static void ironlake_edp_panel_off(struct intel_dp *intel_dp) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct drm_device *dev = encoder->dev; + struct drm_device *dev = intel_dp->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 pp, idle_off_mask = PP_ON | PP_SEQUENCE_MASK | - PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK; + u32 pp; if (!is_edp(intel_dp)) return; - pp = I915_READ(PCH_PP_CONTROL); - pp &= ~PANEL_UNLOCK_MASK; - pp |= PANEL_UNLOCK_REGS; - if (IS_GEN5(dev)) { - /* ILK workaround: disable reset around power sequence */ - pp &= ~PANEL_POWER_RESET; - I915_WRITE(PCH_PP_CONTROL, pp); - POSTING_READ(PCH_PP_CONTROL); - } + DRM_DEBUG_KMS("Turn eDP power off\n"); - intel_dp->panel_off_jiffies = jiffies; + WARN(intel_dp->want_panel_vdd, "Cannot turn power off while VDD is on\n"); - if (IS_GEN5(dev)) { - pp &= ~POWER_TARGET_ON; - I915_WRITE(PCH_PP_CONTROL, pp); - POSTING_READ(PCH_PP_CONTROL); - pp &= ~POWER_TARGET_ON; - I915_WRITE(PCH_PP_CONTROL, pp); - POSTING_READ(PCH_PP_CONTROL); - msleep(intel_dp->panel_power_cycle_delay); - - if (wait_for((I915_READ(PCH_PP_STATUS) & idle_off_mask) == 0, 5000)) - DRM_ERROR("panel off wait timed out: 0x%08x\n", - I915_READ(PCH_PP_STATUS)); + pp = ironlake_get_pp_control(dev_priv); + pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE); + I915_WRITE(PCH_PP_CONTROL, pp); + POSTING_READ(PCH_PP_CONTROL); - pp |= PANEL_POWER_RESET; /* restore panel reset bit */ - I915_WRITE(PCH_PP_CONTROL, pp); - POSTING_READ(PCH_PP_CONTROL); - } + ironlake_wait_panel_off(intel_dp); } static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) @@ -1099,9 +1134,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) * allowing it to appear. */ msleep(intel_dp->backlight_on_delay); - pp = I915_READ(PCH_PP_CONTROL); - pp &= ~PANEL_UNLOCK_MASK; - pp |= PANEL_UNLOCK_REGS; + pp = ironlake_get_pp_control(dev_priv); pp |= EDP_BLC_ENABLE; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); @@ -1117,9 +1150,7 @@ static void ironlake_edp_backlight_off(struct intel_dp *intel_dp) return; DRM_DEBUG_KMS("\n"); - pp = I915_READ(PCH_PP_CONTROL); - pp &= ~PANEL_UNLOCK_MASK; - pp |= PANEL_UNLOCK_REGS; + pp = ironlake_get_pp_control(dev_priv); pp &= ~EDP_BLC_ENABLE; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); @@ -1187,17 +1218,18 @@ static void intel_dp_prepare(struct drm_encoder *encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + ironlake_edp_backlight_off(intel_dp); + ironlake_edp_panel_off(intel_dp); + /* Wake up the sink first */ ironlake_edp_panel_vdd_on(intel_dp); intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + intel_dp_link_down(intel_dp); ironlake_edp_panel_vdd_off(intel_dp, false); /* Make sure the panel is off before trying to * change the mode */ - ironlake_edp_backlight_off(intel_dp); - intel_dp_link_down(intel_dp); - ironlake_edp_panel_off(encoder); } static void intel_dp_commit(struct drm_encoder *encoder) @@ -1211,7 +1243,6 @@ static void intel_dp_commit(struct drm_encoder *encoder) intel_dp_start_link_train(intel_dp); ironlake_edp_panel_on(intel_dp); ironlake_edp_panel_vdd_off(intel_dp, true); - intel_dp_complete_link_train(intel_dp); ironlake_edp_backlight_on(intel_dp); @@ -1230,16 +1261,20 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) uint32_t dp_reg = I915_READ(intel_dp->output_reg); if (mode != DRM_MODE_DPMS_ON) { + ironlake_edp_backlight_off(intel_dp); + ironlake_edp_panel_off(intel_dp); + ironlake_edp_panel_vdd_on(intel_dp); - if (is_edp(intel_dp)) - ironlake_edp_backlight_off(intel_dp); intel_dp_sink_dpms(intel_dp, mode); intel_dp_link_down(intel_dp); - ironlake_edp_panel_off(encoder); - if (is_edp(intel_dp) && !is_pch_edp(intel_dp)) - ironlake_edp_pll_off(encoder); ironlake_edp_panel_vdd_off(intel_dp, false); + + if (is_cpu_edp(intel_dp)) + ironlake_edp_pll_off(encoder); } else { + if (is_cpu_edp(intel_dp)) + ironlake_edp_pll_on(encoder); + ironlake_edp_panel_vdd_on(intel_dp); intel_dp_sink_dpms(intel_dp, mode); if (!(dp_reg & DP_PORT_EN)) { @@ -1247,7 +1282,6 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) ironlake_edp_panel_on(intel_dp); ironlake_edp_panel_vdd_off(intel_dp, true); intel_dp_complete_link_train(intel_dp); - ironlake_edp_backlight_on(intel_dp); } else ironlake_edp_panel_vdd_off(intel_dp, false); ironlake_edp_backlight_on(intel_dp); @@ -1285,11 +1319,11 @@ intel_dp_aux_native_read_retry(struct intel_dp *intel_dp, uint16_t address, * link status information */ static bool -intel_dp_get_link_status(struct intel_dp *intel_dp) +intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]) { return intel_dp_aux_native_read_retry(intel_dp, DP_LANE0_1_STATUS, - intel_dp->link_status, + link_status, DP_LINK_STATUS_SIZE); } @@ -1301,27 +1335,25 @@ intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE], } static uint8_t -intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE], +intel_get_adjust_request_voltage(uint8_t adjust_request[2], int lane) { - int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1); int s = ((lane & 1) ? DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT : DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT); - uint8_t l = intel_dp_link_status(link_status, i); + uint8_t l = adjust_request[lane>>1]; return ((l >> s) & 3) << DP_TRAIN_VOLTAGE_SWING_SHIFT; } static uint8_t -intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZE], +intel_get_adjust_request_pre_emphasis(uint8_t adjust_request[2], int lane) { - int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1); int s = ((lane & 1) ? DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT : DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT); - uint8_t l = intel_dp_link_status(link_status, i); + uint8_t l = adjust_request[lane>>1]; return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT; } @@ -1344,6 +1376,7 @@ static char *link_train_names[] = { * a maximum voltage of 800mV and a maximum pre-emphasis of 6dB */ #define I830_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_800 +#define I830_DP_VOLTAGE_MAX_CPT DP_TRAIN_VOLTAGE_SWING_1200 static uint8_t intel_dp_pre_emphasis_max(uint8_t voltage_swing) @@ -1362,15 +1395,18 @@ intel_dp_pre_emphasis_max(uint8_t voltage_swing) } static void -intel_get_adjust_train(struct intel_dp *intel_dp) +intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]) { + struct drm_device *dev = intel_dp->base.base.dev; uint8_t v = 0; uint8_t p = 0; int lane; + uint8_t *adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS); + int voltage_max; for (lane = 0; lane < intel_dp->lane_count; lane++) { - uint8_t this_v = intel_get_adjust_request_voltage(intel_dp->link_status, lane); - uint8_t this_p = intel_get_adjust_request_pre_emphasis(intel_dp->link_status, lane); + uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane); + uint8_t this_p = intel_get_adjust_request_pre_emphasis(adjust_request, lane); if (this_v > v) v = this_v; @@ -1378,8 +1414,12 @@ intel_get_adjust_train(struct intel_dp *intel_dp) p = this_p; } - if (v >= I830_DP_VOLTAGE_MAX) - v = I830_DP_VOLTAGE_MAX | DP_TRAIN_MAX_SWING_REACHED; + if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) + voltage_max = I830_DP_VOLTAGE_MAX_CPT; + else + voltage_max = I830_DP_VOLTAGE_MAX; + if (v >= voltage_max) + v = voltage_max | DP_TRAIN_MAX_SWING_REACHED; if (p >= intel_dp_pre_emphasis_max(v)) p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED; @@ -1389,7 +1429,7 @@ intel_get_adjust_train(struct intel_dp *intel_dp) } static uint32_t -intel_dp_signal_levels(uint8_t train_set, int lane_count) +intel_dp_signal_levels(uint8_t train_set) { uint32_t signal_levels = 0; @@ -1458,9 +1498,8 @@ static uint8_t intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane) { - int i = DP_LANE0_1_STATUS + (lane >> 1); int s = (lane & 1) * 4; - uint8_t l = intel_dp_link_status(link_status, i); + uint8_t l = link_status[lane>>1]; return (l >> s) & 0xf; } @@ -1485,18 +1524,18 @@ intel_clock_recovery_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count DP_LANE_CHANNEL_EQ_DONE|\ DP_LANE_SYMBOL_LOCKED) static bool -intel_channel_eq_ok(struct intel_dp *intel_dp) +intel_channel_eq_ok(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]) { uint8_t lane_align; uint8_t lane_status; int lane; - lane_align = intel_dp_link_status(intel_dp->link_status, + lane_align = intel_dp_link_status(link_status, DP_LANE_ALIGN_STATUS_UPDATED); if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0) return false; for (lane = 0; lane < intel_dp->lane_count; lane++) { - lane_status = intel_get_lane_status(intel_dp->link_status, lane); + lane_status = intel_get_lane_status(link_status, lane); if ((lane_status & CHANNEL_EQ_BITS) != CHANNEL_EQ_BITS) return false; } @@ -1521,8 +1560,9 @@ intel_dp_set_link_train(struct intel_dp *intel_dp, ret = intel_dp_aux_native_write(intel_dp, DP_TRAINING_LANE0_SET, - intel_dp->train_set, 4); - if (ret != 4) + intel_dp->train_set, + intel_dp->lane_count); + if (ret != intel_dp->lane_count) return false; return true; @@ -1538,7 +1578,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) int i; uint8_t voltage; bool clock_recovery = false; - int tries; + int voltage_tries, loop_tries; u32 reg; uint32_t DP = intel_dp->DP; @@ -1565,16 +1605,20 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) DP &= ~DP_LINK_TRAIN_MASK; memset(intel_dp->train_set, 0, 4); voltage = 0xff; - tries = 0; + voltage_tries = 0; + loop_tries = 0; clock_recovery = false; for (;;) { /* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */ + uint8_t link_status[DP_LINK_STATUS_SIZE]; uint32_t signal_levels; - if (IS_GEN6(dev) && is_edp(intel_dp)) { + + if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) { signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]); DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels; } else { - signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count); + signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]); + DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n", signal_levels); DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels; } @@ -1590,10 +1634,13 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) /* Set training pattern 1 */ udelay(100); - if (!intel_dp_get_link_status(intel_dp)) + if (!intel_dp_get_link_status(intel_dp, link_status)) { + DRM_ERROR("failed to get link status\n"); break; + } - if (intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) { + if (intel_clock_recovery_ok(link_status, intel_dp->lane_count)) { + DRM_DEBUG_KMS("clock recovery OK\n"); clock_recovery = true; break; } @@ -1602,20 +1649,30 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) for (i = 0; i < intel_dp->lane_count; i++) if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0) break; - if (i == intel_dp->lane_count) - break; + if (i == intel_dp->lane_count) { + ++loop_tries; + if (loop_tries == 5) { + DRM_DEBUG_KMS("too many full retries, give up\n"); + break; + } + memset(intel_dp->train_set, 0, 4); + voltage_tries = 0; + continue; + } /* Check to see if we've tried the same voltage 5 times */ if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) { - ++tries; - if (tries == 5) + ++voltage_tries; + if (voltage_tries == 5) { + DRM_DEBUG_KMS("too many voltage retries, give up\n"); break; + } } else - tries = 0; + voltage_tries = 0; voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK; /* Compute new intel_dp->train_set as requested by target */ - intel_get_adjust_train(intel_dp); + intel_get_adjust_train(intel_dp, link_status); } intel_dp->DP = DP; @@ -1638,6 +1695,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) for (;;) { /* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */ uint32_t signal_levels; + uint8_t link_status[DP_LINK_STATUS_SIZE]; if (cr_tries > 5) { DRM_ERROR("failed to train DP, aborting\n"); @@ -1645,11 +1703,11 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) break; } - if (IS_GEN6(dev) && is_edp(intel_dp)) { + if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) { signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]); DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels; } else { - signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count); + signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]); DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels; } @@ -1665,17 +1723,17 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) break; udelay(400); - if (!intel_dp_get_link_status(intel_dp)) + if (!intel_dp_get_link_status(intel_dp, link_status)) break; /* Make sure clock is still ok */ - if (!intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) { + if (!intel_clock_recovery_ok(link_status, intel_dp->lane_count)) { intel_dp_start_link_train(intel_dp); cr_tries++; continue; } - if (intel_channel_eq_ok(intel_dp)) { + if (intel_channel_eq_ok(intel_dp, link_status)) { channel_eq = true; break; } @@ -1690,7 +1748,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) } /* Compute new intel_dp->train_set as requested by target */ - intel_get_adjust_train(intel_dp); + intel_get_adjust_train(intel_dp, link_status); ++tries; } @@ -1735,8 +1793,12 @@ intel_dp_link_down(struct intel_dp *intel_dp) msleep(17); - if (is_edp(intel_dp)) - DP |= DP_LINK_TRAIN_OFF; + if (is_edp(intel_dp)) { + if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp)) + DP |= DP_LINK_TRAIN_OFF_CPT; + else + DP |= DP_LINK_TRAIN_OFF; + } if (!HAS_PCH_CPT(dev) && I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) { @@ -1822,6 +1884,7 @@ static void intel_dp_check_link_status(struct intel_dp *intel_dp) { u8 sink_irq_vector; + u8 link_status[DP_LINK_STATUS_SIZE]; if (intel_dp->dpms_mode != DRM_MODE_DPMS_ON) return; @@ -1830,7 +1893,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) return; /* Try to read receiver status if the link appears to be up */ - if (!intel_dp_get_link_status(intel_dp)) { + if (!intel_dp_get_link_status(intel_dp, link_status)) { intel_dp_link_down(intel_dp); return; } @@ -1855,7 +1918,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n"); } - if (!intel_channel_eq_ok(intel_dp)) { + if (!intel_channel_eq_ok(intel_dp, link_status)) { DRM_DEBUG_KMS("%s: channel EQ not ok, retraining\n", drm_get_encoder_name(&intel_dp->base.base)); intel_dp_start_link_train(intel_dp); @@ -2179,7 +2242,8 @@ intel_trans_dp_port_sel(struct drm_crtc *crtc) continue; intel_dp = enc_to_intel_dp(encoder); - if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) + if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT || + intel_dp->base.type == INTEL_OUTPUT_EDP) return intel_dp->output_reg; } @@ -2321,7 +2385,7 @@ intel_dp_init(struct drm_device *dev, int output_reg) cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >> PANEL_LIGHT_ON_DELAY_SHIFT; - + cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >> PANEL_LIGHT_OFF_DELAY_SHIFT; @@ -2354,11 +2418,10 @@ intel_dp_init(struct drm_device *dev, int output_reg) DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n", intel_dp->backlight_on_delay, intel_dp->backlight_off_delay); - intel_dp->panel_off_jiffies = jiffies - intel_dp->panel_power_down_delay; - ironlake_edp_panel_vdd_on(intel_dp); ret = intel_dp_get_dpcd(intel_dp); ironlake_edp_panel_vdd_off(intel_dp, false); + if (ret) { if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) dev_priv->no_aux_handshake = diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 499d4c0..21f60b7 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -326,7 +326,8 @@ static int intel_panel_update_status(struct backlight_device *bd) static int intel_panel_get_brightness(struct backlight_device *bd) { struct drm_device *dev = bl_get_data(bd); - return intel_panel_get_backlight(dev); + struct drm_i915_private *dev_priv = dev->dev_private; + return dev_priv->backlight_level; } static const struct backlight_ops intel_panel_bl_ops = { diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 7fdfa8e..38e1bda 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -480,21 +480,23 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) } break; case DB_Z_INFO: - r = evergreen_cs_packet_next_reloc(p, &reloc); - if (r) { - dev_warn(p->dev, "bad SET_CONTEXT_REG " - "0x%04X\n", reg); - return -EINVAL; - } track->db_z_info = radeon_get_ib_value(p, idx); - ib[idx] &= ~Z_ARRAY_MODE(0xf); - track->db_z_info &= ~Z_ARRAY_MODE(0xf); - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { - ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - } else { - ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1); - track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + if (!p->keep_tiling_flags) { + r = evergreen_cs_packet_next_reloc(p, &reloc); + if (r) { + dev_warn(p->dev, "bad SET_CONTEXT_REG " + "0x%04X\n", reg); + return -EINVAL; + } + ib[idx] &= ~Z_ARRAY_MODE(0xf); + track->db_z_info &= ~Z_ARRAY_MODE(0xf); + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { + ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + } else { + ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + } } break; case DB_STENCIL_INFO: @@ -607,40 +609,44 @@ static int evergreen_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) case CB_COLOR5_INFO: case CB_COLOR6_INFO: case CB_COLOR7_INFO: - r = evergreen_cs_packet_next_reloc(p, &reloc); - if (r) { - dev_warn(p->dev, "bad SET_CONTEXT_REG " - "0x%04X\n", reg); - return -EINVAL; - } tmp = (reg - CB_COLOR0_INFO) / 0x3c; track->cb_color_info[tmp] = radeon_get_ib_value(p, idx); - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { - ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { - ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); - track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + if (!p->keep_tiling_flags) { + r = evergreen_cs_packet_next_reloc(p, &reloc); + if (r) { + dev_warn(p->dev, "bad SET_CONTEXT_REG " + "0x%04X\n", reg); + return -EINVAL; + } + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { + ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { + ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + } } break; case CB_COLOR8_INFO: case CB_COLOR9_INFO: case CB_COLOR10_INFO: case CB_COLOR11_INFO: - r = evergreen_cs_packet_next_reloc(p, &reloc); - if (r) { - dev_warn(p->dev, "bad SET_CONTEXT_REG " - "0x%04X\n", reg); - return -EINVAL; - } tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8; track->cb_color_info[tmp] = radeon_get_ib_value(p, idx); - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { - ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { - ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); - track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + if (!p->keep_tiling_flags) { + r = evergreen_cs_packet_next_reloc(p, &reloc); + if (r) { + dev_warn(p->dev, "bad SET_CONTEXT_REG " + "0x%04X\n", reg); + return -EINVAL; + } + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { + ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { + ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + } } break; case CB_COLOR0_PITCH: @@ -1311,10 +1317,12 @@ static int evergreen_packet3_check(struct radeon_cs_parser *p, return -EINVAL; } ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) - ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1); - else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) - ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + if (!p->keep_tiling_flags) { + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) + ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1); + else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) + ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1); + } texture = reloc->robj; /* tex mip base */ r = evergreen_cs_packet_next_reloc(p, &reloc); diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 400b26d..c93bc64 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -701,16 +701,21 @@ static int r300_packet0_check(struct radeon_cs_parser *p, return r; } - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) - tile_flags |= R300_TXO_MACRO_TILE; - if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) - tile_flags |= R300_TXO_MICRO_TILE; - else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) - tile_flags |= R300_TXO_MICRO_TILE_SQUARE; - - tmp = idx_value + ((u32)reloc->lobj.gpu_offset); - tmp |= tile_flags; - ib[idx] = tmp; + if (p->keep_tiling_flags) { + ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */ + ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset); + } else { + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) + tile_flags |= R300_TXO_MACRO_TILE; + if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) + tile_flags |= R300_TXO_MICRO_TILE; + else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) + tile_flags |= R300_TXO_MICRO_TILE_SQUARE; + + tmp = idx_value + ((u32)reloc->lobj.gpu_offset); + tmp |= tile_flags; + ib[idx] = tmp; + } track->textures[i].robj = reloc->robj; track->tex_dirty = true; break; @@ -760,24 +765,26 @@ static int r300_packet0_check(struct radeon_cs_parser *p, /* RB3D_COLORPITCH1 */ /* RB3D_COLORPITCH2 */ /* RB3D_COLORPITCH3 */ - r = r100_cs_packet_next_reloc(p, &reloc); - if (r) { - DRM_ERROR("No reloc for ib[%d]=0x%04X\n", - idx, reg); - r100_cs_dump_packet(p, pkt); - return r; - } + if (!p->keep_tiling_flags) { + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for ib[%d]=0x%04X\n", + idx, reg); + r100_cs_dump_packet(p, pkt); + return r; + } - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) - tile_flags |= R300_COLOR_TILE_ENABLE; - if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) - tile_flags |= R300_COLOR_MICROTILE_ENABLE; - else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) - tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE; + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) + tile_flags |= R300_COLOR_TILE_ENABLE; + if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) + tile_flags |= R300_COLOR_MICROTILE_ENABLE; + else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) + tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE; - tmp = idx_value & ~(0x7 << 16); - tmp |= tile_flags; - ib[idx] = tmp; + tmp = idx_value & ~(0x7 << 16); + tmp |= tile_flags; + ib[idx] = tmp; + } i = (reg - 0x4E38) >> 2; track->cb[i].pitch = idx_value & 0x3FFE; switch (((idx_value >> 21) & 0xF)) { @@ -843,25 +850,26 @@ static int r300_packet0_check(struct radeon_cs_parser *p, break; case 0x4F24: /* ZB_DEPTHPITCH */ - r = r100_cs_packet_next_reloc(p, &reloc); - if (r) { - DRM_ERROR("No reloc for ib[%d]=0x%04X\n", - idx, reg); - r100_cs_dump_packet(p, pkt); - return r; - } - - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) - tile_flags |= R300_DEPTHMACROTILE_ENABLE; - if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) - tile_flags |= R300_DEPTHMICROTILE_TILED; - else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) - tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE; + if (!p->keep_tiling_flags) { + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for ib[%d]=0x%04X\n", + idx, reg); + r100_cs_dump_packet(p, pkt); + return r; + } - tmp = idx_value & ~(0x7 << 16); - tmp |= tile_flags; - ib[idx] = tmp; + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) + tile_flags |= R300_DEPTHMACROTILE_ENABLE; + if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) + tile_flags |= R300_DEPTHMICROTILE_TILED; + else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) + tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE; + tmp = idx_value & ~(0x7 << 16); + tmp |= tile_flags; + ib[idx] = tmp; + } track->zb.pitch = idx_value & 0x3FFC; track->zb_dirty = true; break; diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 0a2e023..cb1acff 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -941,7 +941,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) track->db_depth_control = radeon_get_ib_value(p, idx); break; case R_028010_DB_DEPTH_INFO: - if (r600_cs_packet_next_is_pkt3_nop(p)) { + if (!p->keep_tiling_flags && + r600_cs_packet_next_is_pkt3_nop(p)) { r = r600_cs_packet_next_reloc(p, &reloc); if (r) { dev_warn(p->dev, "bad SET_CONTEXT_REG " @@ -992,7 +993,8 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) case R_0280B4_CB_COLOR5_INFO: case R_0280B8_CB_COLOR6_INFO: case R_0280BC_CB_COLOR7_INFO: - if (r600_cs_packet_next_is_pkt3_nop(p)) { + if (!p->keep_tiling_flags && + r600_cs_packet_next_is_pkt3_nop(p)) { r = r600_cs_packet_next_reloc(p, &reloc); if (r) { dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); @@ -1291,10 +1293,12 @@ static int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, mip_offset <<= 8; word0 = radeon_get_ib_value(p, idx + 0); - if (tiling_flags & RADEON_TILING_MACRO) - word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); - else if (tiling_flags & RADEON_TILING_MICRO) - word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); + if (!p->keep_tiling_flags) { + if (tiling_flags & RADEON_TILING_MACRO) + word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); + else if (tiling_flags & RADEON_TILING_MICRO) + word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); + } word1 = radeon_get_ib_value(p, idx + 1); w0 = G_038000_TEX_WIDTH(word0) + 1; h0 = G_038004_TEX_HEIGHT(word1) + 1; @@ -1621,10 +1625,12 @@ static int r600_packet3_check(struct radeon_cs_parser *p, return -EINVAL; } base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); - if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) - ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); - else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) - ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); + if (!p->keep_tiling_flags) { + if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) + ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); + else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) + ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); + } texture = reloc->robj; /* tex mip base */ r = r600_cs_packet_next_reloc(p, &reloc); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index fc5a1d6..8227e76 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -611,7 +611,8 @@ struct radeon_cs_parser { struct radeon_ib *ib; void *track; unsigned family; - int parser_error; + int parser_error; + bool keep_tiling_flags; }; extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx); diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index d2d1792..d24baf3 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -62,6 +62,87 @@ union atom_supported_devices { struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1; }; +static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev, + ATOM_GPIO_I2C_ASSIGMENT *gpio, + u8 index) +{ + /* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */ + if ((rdev->family == CHIP_R420) || + (rdev->family == CHIP_R423) || + (rdev->family == CHIP_RV410)) { + if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) || + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) || + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) { + gpio->ucClkMaskShift = 0x19; + gpio->ucDataMaskShift = 0x18; + } + } + + /* some evergreen boards have bad data for this entry */ + if (ASIC_IS_DCE4(rdev)) { + if ((index == 7) && + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) && + (gpio->sucI2cId.ucAccess == 0)) { + gpio->sucI2cId.ucAccess = 0x97; + gpio->ucDataMaskShift = 8; + gpio->ucDataEnShift = 8; + gpio->ucDataY_Shift = 8; + gpio->ucDataA_Shift = 8; + } + } + + /* some DCE3 boards have bad data for this entry */ + if (ASIC_IS_DCE3(rdev)) { + if ((index == 4) && + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) && + (gpio->sucI2cId.ucAccess == 0x94)) + gpio->sucI2cId.ucAccess = 0x14; + } +} + +static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio) +{ + struct radeon_i2c_bus_rec i2c; + + memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec)); + + i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4; + i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4; + i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4; + i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4; + i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4; + i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4; + i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4; + i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4; + i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift); + i2c.mask_data_mask = (1 << gpio->ucDataMaskShift); + i2c.en_clk_mask = (1 << gpio->ucClkEnShift); + i2c.en_data_mask = (1 << gpio->ucDataEnShift); + i2c.y_clk_mask = (1 << gpio->ucClkY_Shift); + i2c.y_data_mask = (1 << gpio->ucDataY_Shift); + i2c.a_clk_mask = (1 << gpio->ucClkA_Shift); + i2c.a_data_mask = (1 << gpio->ucDataA_Shift); + + if (gpio->sucI2cId.sbfAccess.bfHW_Capable) + i2c.hw_capable = true; + else + i2c.hw_capable = false; + + if (gpio->sucI2cId.ucAccess == 0xa0) + i2c.mm_i2c = true; + else + i2c.mm_i2c = false; + + i2c.i2c_id = gpio->sucI2cId.ucAccess; + + if (i2c.mask_clk_reg) + i2c.valid = true; + else + i2c.valid = false; + + return i2c; +} + static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev, uint8_t id) { @@ -85,59 +166,10 @@ static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rd for (i = 0; i < num_indices; i++) { gpio = &i2c_info->asGPIO_Info[i]; - /* some evergreen boards have bad data for this entry */ - if (ASIC_IS_DCE4(rdev)) { - if ((i == 7) && - (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) && - (gpio->sucI2cId.ucAccess == 0)) { - gpio->sucI2cId.ucAccess = 0x97; - gpio->ucDataMaskShift = 8; - gpio->ucDataEnShift = 8; - gpio->ucDataY_Shift = 8; - gpio->ucDataA_Shift = 8; - } - } - - /* some DCE3 boards have bad data for this entry */ - if (ASIC_IS_DCE3(rdev)) { - if ((i == 4) && - (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) && - (gpio->sucI2cId.ucAccess == 0x94)) - gpio->sucI2cId.ucAccess = 0x14; - } + radeon_lookup_i2c_gpio_quirks(rdev, gpio, i); if (gpio->sucI2cId.ucAccess == id) { - i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4; - i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4; - i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4; - i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4; - i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4; - i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4; - i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4; - i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4; - i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift); - i2c.mask_data_mask = (1 << gpio->ucDataMaskShift); - i2c.en_clk_mask = (1 << gpio->ucClkEnShift); - i2c.en_data_mask = (1 << gpio->ucDataEnShift); - i2c.y_clk_mask = (1 << gpio->ucClkY_Shift); - i2c.y_data_mask = (1 << gpio->ucDataY_Shift); - i2c.a_clk_mask = (1 << gpio->ucClkA_Shift); - i2c.a_data_mask = (1 << gpio->ucDataA_Shift); - - if (gpio->sucI2cId.sbfAccess.bfHW_Capable) - i2c.hw_capable = true; - else - i2c.hw_capable = false; - - if (gpio->sucI2cId.ucAccess == 0xa0) - i2c.mm_i2c = true; - else - i2c.mm_i2c = false; - - i2c.i2c_id = gpio->sucI2cId.ucAccess; - - if (i2c.mask_clk_reg) - i2c.valid = true; + i2c = radeon_get_bus_rec_for_i2c_gpio(gpio); break; } } @@ -157,8 +189,6 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev) int i, num_indices; char stmp[32]; - memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec)); - if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset); @@ -167,60 +197,12 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev) for (i = 0; i < num_indices; i++) { gpio = &i2c_info->asGPIO_Info[i]; - i2c.valid = false; - - /* some evergreen boards have bad data for this entry */ - if (ASIC_IS_DCE4(rdev)) { - if ((i == 7) && - (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) && - (gpio->sucI2cId.ucAccess == 0)) { - gpio->sucI2cId.ucAccess = 0x97; - gpio->ucDataMaskShift = 8; - gpio->ucDataEnShift = 8; - gpio->ucDataY_Shift = 8; - gpio->ucDataA_Shift = 8; - } - } - - /* some DCE3 boards have bad data for this entry */ - if (ASIC_IS_DCE3(rdev)) { - if ((i == 4) && - (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) && - (gpio->sucI2cId.ucAccess == 0x94)) - gpio->sucI2cId.ucAccess = 0x14; - } - i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4; - i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4; - i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4; - i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4; - i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4; - i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4; - i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4; - i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4; - i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift); - i2c.mask_data_mask = (1 << gpio->ucDataMaskShift); - i2c.en_clk_mask = (1 << gpio->ucClkEnShift); - i2c.en_data_mask = (1 << gpio->ucDataEnShift); - i2c.y_clk_mask = (1 << gpio->ucClkY_Shift); - i2c.y_data_mask = (1 << gpio->ucDataY_Shift); - i2c.a_clk_mask = (1 << gpio->ucClkA_Shift); - i2c.a_data_mask = (1 << gpio->ucDataA_Shift); - - if (gpio->sucI2cId.sbfAccess.bfHW_Capable) - i2c.hw_capable = true; - else - i2c.hw_capable = false; + radeon_lookup_i2c_gpio_quirks(rdev, gpio, i); - if (gpio->sucI2cId.ucAccess == 0xa0) - i2c.mm_i2c = true; - else - i2c.mm_i2c = false; + i2c = radeon_get_bus_rec_for_i2c_gpio(gpio); - i2c.i2c_id = gpio->sucI2cId.ucAccess; - - if (i2c.mask_clk_reg) { - i2c.valid = true; + if (i2c.valid) { sprintf(stmp, "0x%x", i2c.i2c_id); rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp); } @@ -1996,14 +1978,14 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev) return state_index; /* last mode is usually default, array is low to high */ for (i = 0; i < num_modes; i++) { + rdev->pm.power_state[state_index].clock_info = + kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL); + if (!rdev->pm.power_state[state_index].clock_info) + return state_index; + rdev->pm.power_state[state_index].num_clock_modes = 1; rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE; switch (frev) { case 1: - rdev->pm.power_state[state_index].clock_info = - kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL); - if (!rdev->pm.power_state[state_index].clock_info) - return state_index; - rdev->pm.power_state[state_index].num_clock_modes = 1; rdev->pm.power_state[state_index].clock_info[0].mclk = le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock); rdev->pm.power_state[state_index].clock_info[0].sclk = @@ -2039,11 +2021,6 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev) state_index++; break; case 2: - rdev->pm.power_state[state_index].clock_info = - kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL); - if (!rdev->pm.power_state[state_index].clock_info) - return state_index; - rdev->pm.power_state[state_index].num_clock_modes = 1; rdev->pm.power_state[state_index].clock_info[0].mclk = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock); rdev->pm.power_state[state_index].clock_info[0].sclk = @@ -2080,11 +2057,6 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev) state_index++; break; case 3: - rdev->pm.power_state[state_index].clock_info = - kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL); - if (!rdev->pm.power_state[state_index].clock_info) - return state_index; - rdev->pm.power_state[state_index].num_clock_modes = 1; rdev->pm.power_state[state_index].clock_info[0].mclk = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock); rdev->pm.power_state[state_index].clock_info[0].sclk = diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index ccaa243..29afd71 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -93,7 +93,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) { struct drm_radeon_cs *cs = data; uint64_t *chunk_array_ptr; - unsigned size, i; + unsigned size, i, flags = 0; if (!cs->num_chunks) { return 0; @@ -140,6 +140,10 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) if (p->chunks[i].length_dw == 0) return -EINVAL; } + if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS && + !p->chunks[i].length_dw) { + return -EINVAL; + } p->chunks[i].length_dw = user_chunk.length_dw; p->chunks[i].user_ptr = (void __user *)(unsigned long)user_chunk.chunk_data; @@ -155,6 +159,9 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) p->chunks[i].user_ptr, size)) { return -EFAULT; } + if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) { + flags = p->chunks[i].kdata[0]; + } } else { p->chunks[i].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL); p->chunks[i].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL); @@ -174,6 +181,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) p->chunks[p->chunk_ib_idx].length_dw); return -EINVAL; } + + p->keep_tiling_flags = (flags & RADEON_CS_KEEP_TILING_FLAGS) != 0; return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index a0b35e9..71499fc 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -53,9 +53,10 @@ * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query * 2.10.0 - fusion 2D tiling * 2.11.0 - backend map, initial compute support for the CS checker + * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS */ #define KMS_DRIVER_MAJOR 2 -#define KMS_DRIVER_MINOR 11 +#define KMS_DRIVER_MINOR 12 #define KMS_DRIVER_PATCHLEVEL 0 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); int radeon_driver_unload_kms(struct drm_device *dev); diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 617b646..0bb0f5f 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -574,10 +574,16 @@ retry: return ret; spin_lock(&glob->lru_lock); + + if (unlikely(list_empty(&bo->ddestroy))) { + spin_unlock(&glob->lru_lock); + return 0; + } + ret = ttm_bo_reserve_locked(bo, interruptible, no_wait_reserve, false, 0); - if (unlikely(ret != 0) || list_empty(&bo->ddestroy)) { + if (unlikely(ret != 0)) { spin_unlock(&glob->lru_lock); return ret; } diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index c72f1c0..111d956 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -465,31 +465,29 @@ static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev) while (new_bus) { new_bridge = new_bus->self; - if (new_bridge) { - /* go through list of devices already registered */ - list_for_each_entry(same_bridge_vgadev, &vga_list, list) { - bus = same_bridge_vgadev->pdev->bus; - bridge = bus->self; - - /* see if the share a bridge with this device */ - if (new_bridge == bridge) { - /* if their direct parent bridge is the same - as any bridge of this device then it can't be used - for that device */ - same_bridge_vgadev->bridge_has_one_vga = false; - } + /* go through list of devices already registered */ + list_for_each_entry(same_bridge_vgadev, &vga_list, list) { + bus = same_bridge_vgadev->pdev->bus; + bridge = bus->self; + + /* see if the share a bridge with this device */ + if (new_bridge == bridge) { + /* if their direct parent bridge is the same + as any bridge of this device then it can't be used + for that device */ + same_bridge_vgadev->bridge_has_one_vga = false; + } - /* now iterate the previous devices bridge hierarchy */ - /* if the new devices parent bridge is in the other devices - hierarchy then we can't use it to control this device */ - while (bus) { - bridge = bus->self; - if (bridge) { - if (bridge == vgadev->pdev->bus->self) - vgadev->bridge_has_one_vga = false; - } - bus = bus->parent; + /* now iterate the previous devices bridge hierarchy */ + /* if the new devices parent bridge is in the other devices + hierarchy then we can't use it to control this device */ + while (bus) { + bridge = bus->self; + if (bridge) { + if (bridge == vgadev->pdev->bus->self) + vgadev->bridge_has_one_vga = false; } + bus = bus->parent; } } new_bus = new_bus->parent; @@ -993,14 +991,20 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, uc = &priv->cards[i]; } - if (!uc) - return -EINVAL; + if (!uc) { + ret_val = -EINVAL; + goto done; + } - if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0) - return -EINVAL; + if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0) { + ret_val = -EINVAL; + goto done; + } - if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0) - return -EINVAL; + if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0) { + ret_val = -EINVAL; + goto done; + } vga_put(pdev, io_state); diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 9ec854a..91be41f 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -315,7 +315,7 @@ config SENSORS_DS1621 config SENSORS_EXYNOS4_TMU tristate "Temperature sensor on Samsung EXYNOS4" - depends on EXYNOS4_DEV_TMU + depends on ARCH_EXYNOS4 help If you say yes here you get support for TMU (Thermal Managment Unit) on SAMSUNG EXYNOS4 series of SoC. diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index 85584a5..525c734 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -488,7 +488,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg) if (flags & I2C_M_TEN) { /* a ten bit address */ - addr = 0xf0 | ((msg->addr >> 7) & 0x03); + addr = 0xf0 | ((msg->addr >> 7) & 0x06); bit_dbg(2, &i2c_adap->dev, "addr0: %d\n", addr); /* try extended address code...*/ ret = try_address(i2c_adap, addr, retries); @@ -498,7 +498,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg) return -ENXIO; } /* the remaining 8 bit address */ - ret = i2c_outb(i2c_adap, msg->addr & 0x7f); + ret = i2c_outb(i2c_adap, msg->addr & 0xff); if ((ret != 1) && !nak_ok) { /* the chip did not ack / xmission error occurred */ dev_err(&i2c_adap->dev, "died at 2nd address code\n"); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 131079a..1e56061 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -539,8 +539,10 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) client->dev.type = &i2c_client_type; client->dev.of_node = info->of_node; + /* For 10-bit clients, add an arbitrary offset to avoid collisions */ dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap), - client->addr); + client->addr | ((client->flags & I2C_CLIENT_TEN) + ? 0xa000 : 0)); status = device_register(&client->dev); if (status) goto out_err; diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index c90ce50..57a45ce8 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -579,7 +579,7 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy) return 0; } -int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action, +static int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action, void *data) { struct device *dev = data; diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c index 67cbcfa..847553f 100644 --- a/drivers/ide/cy82c693.c +++ b/drivers/ide/cy82c693.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator - * Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz * * CYPRESS CY82C693 chipset IDE controller * @@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) u8 time_16, time_8; /* select primary or secondary channel */ - if (hwif->index > 0) { /* drive is on the secondary channel */ + if (drive->dn > 1) { /* drive is on the secondary channel */ dev = pci_get_slot(dev->bus, dev->devfn+1); if (!dev) { printk(KERN_ERR "%s: tune_drive: " @@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16); pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8); } - if (hwif->index > 0) + if (drive->dn > 1) pci_dev_put(dev); } diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 4a697a2..8716066 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -521,8 +521,8 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) { d.init_dma = icside_dma_init; d.port_ops = &icside_v6_port_ops; + } else d.dma_ops = NULL; - } ret = ide_host_register(host, &d, hws); if (ret) diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c index b59d04c..1892e81 100644 --- a/drivers/ide/piix.c +++ b/drivers/ide/piix.c @@ -331,7 +331,7 @@ static const struct ide_port_ops ich_port_ops = { .udma_mask = udma, \ } -#define DECLARE_ICH_DEV(udma) \ +#define DECLARE_ICH_DEV(mwdma, udma) \ { \ .name = DRV_NAME, \ .init_chipset = init_chipset_ich, \ @@ -340,7 +340,7 @@ static const struct ide_port_ops ich_port_ops = { .port_ops = &ich_port_ops, \ .pio_mask = ATA_PIO4, \ .swdma_mask = ATA_SWDMA2_ONLY, \ - .mwdma_mask = ATA_MWDMA12_ONLY, \ + .mwdma_mask = mwdma, \ .udma_mask = udma, \ } @@ -362,13 +362,15 @@ static const struct ide_port_info piix_pci_info[] __devinitdata = { /* 2: PIIX4 */ DECLARE_PIIX_DEV(ATA_UDMA2), /* 3: ICH0 */ - DECLARE_ICH_DEV(ATA_UDMA2), + DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2), /* 4: ICH */ - DECLARE_ICH_DEV(ATA_UDMA4), + DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4), /* 5: PIIX4 */ DECLARE_PIIX_DEV(ATA_UDMA4), - /* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */ - DECLARE_ICH_DEV(ATA_UDMA5), + /* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */ + DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5), + /* 7: ICH7/7-R, no MWDMA1 */ + DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5), }; /** @@ -438,9 +440,9 @@ static const struct pci_device_id piix_pci_tbl[] = { #endif { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2), 6 }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19), 6 }, - { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 6 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 7 }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1), 6 }, - { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 6 }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 7 }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6), 6 }, { 0, }, }; diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c index e53a1b7..281c914 100644 --- a/drivers/ide/triflex.c +++ b/drivers/ide/triflex.c @@ -113,12 +113,26 @@ static const struct pci_device_id triflex_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, triflex_pci_tbl); +#ifdef CONFIG_PM +static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state) +{ + /* + * We must not disable or powerdown the device. + * APM bios refuses to suspend if IDE is not accessible. + */ + pci_save_state(dev); + return 0; +} +#else +#define triflex_ide_pci_suspend NULL +#endif + static struct pci_driver triflex_pci_driver = { .name = "TRIFLEX_IDE", .id_table = triflex_pci_tbl, .probe = triflex_init_one, .remove = ide_pci_remove, - .suspend = ide_pci_suspend, + .suspend = triflex_ide_pci_suspend, .resume = ide_pci_resume, }; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 09b93b1..e2a9867 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1210,18 +1210,28 @@ static int elantech_reconnect(struct psmouse *psmouse) */ static int elantech_set_properties(struct elantech_data *etd) { + /* This represents the version of IC body. */ int ver = (etd->fw_version & 0x0f0000) >> 16; + /* Early version of Elan touchpads doesn't obey the rule. */ if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600) etd->hw_version = 1; - else if (etd->fw_version < 0x150600) - etd->hw_version = 2; - else if (ver == 5) - etd->hw_version = 3; - else if (ver == 6) - etd->hw_version = 4; - else - return -1; + else { + switch (ver) { + case 2: + case 4: + etd->hw_version = 2; + break; + case 5: + etd->hw_version = 3; + break; + case 6: + etd->hw_version = 4; + break; + default: + return -1; + } + } /* * Turn on packet checking by default. diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c index 4b2a42f..d4d08bd 100644 --- a/drivers/input/serio/ams_delta_serio.c +++ b/drivers/input/serio/ams_delta_serio.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/serio.h> #include <linux/slab.h> +#include <linux/module.h> #include <asm/mach-types.h> #include <plat/board-ams-delta.h> diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index bb9f5d3..b4cfc6c 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -431,6 +431,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), }, }, + { + /* Newer HP Pavilion dv4 models */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), + }, + }, { } }; @@ -560,6 +567,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), }, }, + { + /* Newer HP Pavilion dv4 models */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), + }, + }, { } }; diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 661b692..6d5628b 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -270,11 +270,8 @@ void led_blink_set(struct led_classdev *led_cdev, del_timer_sync(&led_cdev->blink_timer); if (led_cdev->blink_set && - !led_cdev->blink_set(led_cdev, delay_on, delay_off)) { - led_cdev->blink_delay_on = *delay_on; - led_cdev->blink_delay_off = *delay_off; + !led_cdev->blink_set(led_cdev, delay_on, delay_off)) return; - } /* blink with 1 Hz as default if nothing specified */ if (!*delay_on && !*delay_off) diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index d593878..5664696 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -472,7 +472,7 @@ config BMP085 module will be called bmp085. config PCH_PHUB - tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB" + tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB" depends on PCI help This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of @@ -480,12 +480,13 @@ config PCH_PHUB processor. The Topcliff has MAC address and Option ROM data in SROM. This driver can access MAC address and Option ROM data in SROM. - This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ - Output Hub), ML7213 and ML7223. - ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is - for MP(Media Phone) use. - ML7213/ML7223 is companion chip for Intel Atom E6xx series. - ML7213/ML7223 is completely compatible for Intel EG20T PCH. + This driver also can be used for LAPIS Semiconductor's IOH, + ML7213/ML7223/ML7831. + ML7213 which is for IVI(In-Vehicle Infotainment) use. + ML7223 IOH is for MP(Media Phone) use. + ML7831 IOH is for general purpose use. + ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. + ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. To compile this driver as a module, choose M here: the module will be called pch_phub. diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h index a662f59..82b2cb7 100644 --- a/drivers/misc/ad525x_dpot.h +++ b/drivers/misc/ad525x_dpot.h @@ -100,7 +100,7 @@ enum dpot_devid { AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27), AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, BRDAC0, 7, 28), - AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT, + AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0, 8, 29), AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT, BRDAC0 | BRDAC1, 8, 30), diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c index 7ce6065..eb5cd28 100644 --- a/drivers/misc/carma/carma-fpga-program.c +++ b/drivers/misc/carma/carma-fpga-program.c @@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op) /* CTL-CPLD Version Register */ #define CTL_CPLD_VERSION 0x2000 -static int fpga_of_probe(struct platform_device *op, - const struct of_device_id *match) +static int fpga_of_probe(struct platform_device *op) { struct device_node *of_node = op->dev.of_node; struct device *this_device; @@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = { {}, }; -static struct of_platform_driver fpga_of_driver = { +static struct platform_driver fpga_of_driver = { .probe = fpga_of_probe, .remove = fpga_of_remove, .driver = { @@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = { static int __init fpga_init(void) { led_trigger_register_simple("fpga", &ledtrig_fpga); - return of_register_platform_driver(&fpga_of_driver); + return platform_driver_register(&fpga_of_driver); } static void __exit fpga_exit(void) { - of_unregister_platform_driver(&fpga_of_driver); + platform_driver_unregister(&fpga_of_driver); led_trigger_unregister_simple(ledtrig_fpga); } diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c index 3965821..14e974b2 100644 --- a/drivers/misc/carma/carma-fpga.c +++ b/drivers/misc/carma/carma-fpga.c @@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data) return true; } -static int data_of_probe(struct platform_device *op, - const struct of_device_id *match) +static int data_of_probe(struct platform_device *op) { struct device_node *of_node = op->dev.of_node; struct device *this_device; @@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = { {}, }; -static struct of_platform_driver data_of_driver = { +static struct platform_driver data_of_driver = { .probe = data_of_probe, .remove = data_of_remove, .driver = { @@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = { static int __init data_init(void) { - return of_register_platform_driver(&data_of_driver); + return platform_driver_register(&data_of_driver); } static void __exit data_exit(void) { - of_unregister_platform_driver(&data_of_driver); + platform_driver_unregister(&data_of_driver); } MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index 26cf12c..701edf6 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -85,7 +85,7 @@ config EEPROM_93XX46 config EEPROM_DIGSY_MTC_CFG bool "DigsyMTC display configuration EEPROMs device" - depends on PPC_MPC5200_GPIO && GPIOLIB && SPI_GPIO + depends on GPIO_MPC5200 && SPI_GPIO help This option enables access to display configuration EEPROMs on digsy_mtc board. You have to additionally select Microwire diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c index dee33ad..10fc478 100644 --- a/drivers/misc/pch_phub.c +++ b/drivers/misc/pch_phub.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. + * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -41,10 +41,10 @@ #define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset (Intel EG20T PCH)*/ #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address - offset(OKI SEMICONDUCTOR ML7213) + offset(LAPIS Semicon ML7213) */ #define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address - offset(OKI SEMICONDUCTOR ML7223) + offset(LAPIS Semicon ML7223) */ /* MAX number of INT_REDUCE_CONTROL registers */ @@ -73,6 +73,9 @@ #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB 0x8012 /* for Bus-m */ #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB 0x8002 /* for Bus-n */ +/* Macros for ML7831 */ +#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801 + /* SROM ACCESS Macro */ #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1)) @@ -115,6 +118,7 @@ * @pch_mac_start_address: MAC address area start address * @pch_opt_rom_start_address: Option ROM start address * @ioh_type: Save IOH type + * @pdev: pointer to pci device struct */ struct pch_phub_reg { u32 phub_id_reg; @@ -136,6 +140,7 @@ struct pch_phub_reg { u32 pch_mac_start_address; u32 pch_opt_rom_start_address; int ioh_type; + struct pci_dev *pdev; }; /* SROM SPEC for MAC address assignment offset */ @@ -471,7 +476,7 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) int retval; int i; - if (chip->ioh_type == 1) /* EG20T */ + if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/ retval = pch_phub_gbe_serial_rom_conf(chip); else /* ML7223 */ retval = pch_phub_gbe_serial_rom_conf_mp(chip); @@ -498,6 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, unsigned int orom_size; int ret; int err; + ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(container_of(kobj, struct device, kobj)); @@ -509,6 +515,10 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, } /* Get Rom signature */ + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) + goto exrom_map_err; + pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address, (unsigned char *)&rom_signature); rom_signature &= 0xff; @@ -539,10 +549,13 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, goto return_err; } return_ok: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); mutex_unlock(&pch_phub_mutex); return addr_offset; return_err: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); +exrom_map_err: mutex_unlock(&pch_phub_mutex); return_err_nomutex: return err; @@ -555,6 +568,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, int err; unsigned int addr_offset; int ret; + ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(container_of(kobj, struct device, kobj)); @@ -571,6 +585,12 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, goto return_ok; } + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) { + err = -ENOMEM; + goto exrom_map_err; + } + for (addr_offset = 0; addr_offset < count; addr_offset++) { if (PCH_PHUB_OROM_SIZE < off + addr_offset) goto return_ok; @@ -585,10 +605,14 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, } return_ok: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); mutex_unlock(&pch_phub_mutex); return addr_offset; return_err: + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); + +exrom_map_err: mutex_unlock(&pch_phub_mutex); return err; } @@ -598,8 +622,14 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr, { u8 mac[8]; struct pch_phub_reg *chip = dev_get_drvdata(dev); + ssize_t rom_size; + + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) + return -ENOMEM; pch_phub_read_gbe_mac_addr(chip, mac); + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); return sprintf(buf, "%pM\n", mac); } @@ -608,6 +638,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { u8 mac[6]; + ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(dev); if (count != 18) @@ -617,7 +648,12 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, (u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3], (u32 *)&mac[4], (u32 *)&mac[5]); + chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size); + if (!chip->pch_phub_extrom_base_address) + return -ENOMEM; + pch_phub_write_gbe_mac_addr(chip, mac); + pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); return count; } @@ -640,7 +676,6 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, int retval; int ret; - ssize_t rom_size; struct pch_phub_reg *chip; chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL); @@ -677,19 +712,7 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, "in pch_phub_base_address variable is %p\n", __func__, chip->pch_phub_base_address); - if (id->driver_data != 3) { - chip->pch_phub_extrom_base_address =\ - pci_map_rom(pdev, &rom_size); - if (chip->pch_phub_extrom_base_address == 0) { - dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__); - ret = -ENOMEM; - goto err_pci_map; - } - dev_dbg(&pdev->dev, "%s : " - "pci_map_rom SUCCESS and value in " - "pch_phub_extrom_base_address variable is %p\n", - __func__, chip->pch_phub_extrom_base_address); - } + chip->pdev = pdev; /* Save pci device struct */ if (id->driver_data == 1) { /* EG20T PCH */ const char *board_name; @@ -763,6 +786,22 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, chip->pch_opt_rom_start_address =\ PCH_PHUB_ROM_START_ADDR_ML7223; chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223; + } else if (id->driver_data == 5) { /* ML7831 */ + retval = sysfs_create_file(&pdev->dev.kobj, + &dev_attr_pch_mac.attr); + if (retval) + goto err_sysfs_create; + + retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); + if (retval) + goto exit_bin_attr; + + /* set the prefech value */ + iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14); + /* set the interrupt delay value */ + iowrite32(0x25, chip->pch_phub_base_address + 0x44); + chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T; + chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T; } chip->ioh_type = id->driver_data; @@ -773,8 +812,6 @@ exit_bin_attr: sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); err_sysfs_create: - pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address); -err_pci_map: pci_iounmap(pdev, chip->pch_phub_base_address); err_pci_iomap: pci_release_regions(pdev); @@ -792,7 +829,6 @@ static void __devexit pch_phub_remove(struct pci_dev *pdev) sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr); - pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address); pci_iounmap(pdev, chip->pch_phub_base_address); pci_release_regions(pdev); pci_disable_device(pdev); @@ -847,6 +883,7 @@ static struct pci_device_id pch_phub_pcidev_id[] = { { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4, }, + { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5, }, { } }; MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id); @@ -873,5 +910,5 @@ static void __exit pch_phub_pci_exit(void) module_init(pch_phub_pci_init); module_exit(pch_phub_pci_exit); -MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"); +MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB"); MODULE_LICENSE("GPL"); diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c index cfbddbe..43d073b 100644 --- a/drivers/misc/spear13xx_pcie_gadget.c +++ b/drivers/misc/spear13xx_pcie_gadget.c @@ -903,6 +903,6 @@ static void __exit spear_pcie_gadget_exit(void) } module_exit(spear_pcie_gadget_exit); -MODULE_ALIAS("pcie-gadget-spear"); +MODULE_ALIAS("platform:pcie-gadget-spear"); MODULE_AUTHOR("Pratyush Anand"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 583f66c..654a5e9 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -245,6 +245,8 @@ source "drivers/net/ethernet/Kconfig" source "drivers/net/fddi/Kconfig" +source "drivers/net/hippi/Kconfig" + config NET_SB1000 tristate "General Instruments Surfboard 1000" depends on PNP diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 5a20804..4ef7e2f 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -319,6 +319,13 @@ static ssize_t bonding_store_mode(struct device *d, goto out; } + if (bond->slave_cnt > 0) { + pr_err("unable to update mode of %s because it has slaves.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + new_value = bond_parse_parm(buf, bond_mode_tbl); if (new_value < 0) { pr_err("%s: Ignoring invalid mode value %.*s.\n", diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 6486ab8..2f6361e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -10548,33 +10548,38 @@ do { \ int bnx2x_init_firmware(struct bnx2x *bp) { - const char *fw_file_name; struct bnx2x_fw_file_hdr *fw_hdr; int rc; - if (CHIP_IS_E1(bp)) - fw_file_name = FW_FILE_NAME_E1; - else if (CHIP_IS_E1H(bp)) - fw_file_name = FW_FILE_NAME_E1H; - else if (!CHIP_IS_E1x(bp)) - fw_file_name = FW_FILE_NAME_E2; - else { - BNX2X_ERR("Unsupported chip revision\n"); - return -EINVAL; - } - BNX2X_DEV_INFO("Loading %s\n", fw_file_name); + if (!bp->firmware) { + const char *fw_file_name; - rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev); - if (rc) { - BNX2X_ERR("Can't load firmware file %s\n", fw_file_name); - goto request_firmware_exit; - } + if (CHIP_IS_E1(bp)) + fw_file_name = FW_FILE_NAME_E1; + else if (CHIP_IS_E1H(bp)) + fw_file_name = FW_FILE_NAME_E1H; + else if (!CHIP_IS_E1x(bp)) + fw_file_name = FW_FILE_NAME_E2; + else { + BNX2X_ERR("Unsupported chip revision\n"); + return -EINVAL; + } + BNX2X_DEV_INFO("Loading %s\n", fw_file_name); - rc = bnx2x_check_firmware(bp); - if (rc) { - BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name); - goto request_firmware_exit; + rc = request_firmware(&bp->firmware, fw_file_name, + &bp->pdev->dev); + if (rc) { + BNX2X_ERR("Can't load firmware file %s\n", + fw_file_name); + goto request_firmware_exit; + } + + rc = bnx2x_check_firmware(bp); + if (rc) { + BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name); + goto request_firmware_exit; + } } fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data; @@ -10630,6 +10635,7 @@ static void bnx2x_release_firmware(struct bnx2x *bp) kfree(bp->init_ops); kfree(bp->init_data); release_firmware(bp->firmware); + bp->firmware = NULL; } @@ -10925,6 +10931,8 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev) if (bp->doorbells) iounmap(bp->doorbells); + bnx2x_release_firmware(bp); + bnx2x_free_mem_bp(bp); free_netdev(dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c index 0440425..1451769 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c @@ -5380,7 +5380,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp, rc = drv->init_fw(bp); if (rc) { BNX2X_ERR("Error loading firmware\n"); - goto fw_init_err; + goto init_err; } /* Handle the beginning of COMMON_XXX pases separatelly... */ @@ -5388,25 +5388,25 @@ static int bnx2x_func_hw_init(struct bnx2x *bp, case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: rc = bnx2x_func_init_cmn_chip(bp, drv); if (rc) - goto init_hw_err; + goto init_err; break; case FW_MSG_CODE_DRV_LOAD_COMMON: rc = bnx2x_func_init_cmn(bp, drv); if (rc) - goto init_hw_err; + goto init_err; break; case FW_MSG_CODE_DRV_LOAD_PORT: rc = bnx2x_func_init_port(bp, drv); if (rc) - goto init_hw_err; + goto init_err; break; case FW_MSG_CODE_DRV_LOAD_FUNCTION: rc = bnx2x_func_init_func(bp, drv); if (rc) - goto init_hw_err; + goto init_err; break; default: @@ -5414,10 +5414,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp, rc = -EINVAL; } -init_hw_err: - drv->release_fw(bp); - -fw_init_err: +init_err: drv->gunzip_end(bp); /* In case of success, complete the comand immediatelly: no ramrods diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig index 98849a1..b48378a 100644 --- a/drivers/net/ethernet/cadence/Kconfig +++ b/drivers/net/ethernet/cadence/Kconfig @@ -7,6 +7,7 @@ config HAVE_NET_MACB config NET_ATMEL bool "Atmel devices" + default y depends on HAVE_NET_MACB || (ARM && ARCH_AT91RM9200) ---help--- If you have a network (Ethernet) card belonging to this class, say Y. diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 6bb2b95..0b3567a 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -34,6 +34,8 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/dma-mapping.h> +#include <linux/module.h> #include <asm/checksum.h> diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index fdc6c39..7803efa 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -50,7 +50,7 @@ #include "sky2.h" #define DRV_NAME "sky2" -#define DRV_VERSION "1.29" +#define DRV_VERSION "1.30" /* * The Yukon II chipset takes 64 bit command blocks (called list elements) @@ -68,7 +68,7 @@ #define MAX_SKB_TX_LE (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1)) #define TX_MIN_PENDING (MAX_SKB_TX_LE+1) #define TX_MAX_PENDING 1024 -#define TX_DEF_PENDING 127 +#define TX_DEF_PENDING 63 #define TX_WATCHDOG (5 * HZ) #define NAPI_WEIGHT 64 @@ -869,6 +869,7 @@ static void sky2_wol_init(struct sky2_port *sky2) /* block receiver */ sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); + sky2_read32(hw, B0_CTST); } static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port) @@ -1274,6 +1275,14 @@ static void rx_set_checksum(struct sky2_port *sky2) ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); } +/* + * Fixed initial key as seed to RSS. + */ +static const uint32_t rss_init_key[10] = { + 0x7c3351da, 0x51c5cf4e, 0x44adbdd1, 0xe8d38d18, 0x48897c43, + 0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30 +}; + /* Enable/disable receive hash calculation (RSS) */ static void rx_set_rss(struct net_device *dev, u32 features) { @@ -1289,12 +1298,9 @@ static void rx_set_rss(struct net_device *dev, u32 features) /* Program RSS initial values */ if (features & NETIF_F_RXHASH) { - u32 key[nkeys]; - - get_random_bytes(key, nkeys * sizeof(u32)); for (i = 0; i < nkeys; i++) sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4), - key[i]); + rss_init_key[i]); /* Need to turn on (undocumented) flag to make hashing work */ sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), @@ -1717,6 +1723,8 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name) if (err) dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); else { + hw->flags |= SKY2_HW_IRQ_SETUP; + napi_enable(&hw->napi); sky2_write32(hw, B0_IMSK, Y2_IS_BASE); sky2_read32(hw, B0_IMSK); @@ -1727,7 +1735,7 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name) /* Bring up network interface. */ -static int sky2_up(struct net_device *dev) +static int sky2_open(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; @@ -1747,6 +1755,11 @@ static int sky2_up(struct net_device *dev) sky2_hw_up(sky2); + if (hw->chip_id == CHIP_ID_YUKON_OPT || + hw->chip_id == CHIP_ID_YUKON_PRM || + hw->chip_id == CHIP_ID_YUKON_OP_2) + imask |= Y2_IS_PHY_QLNK; /* enable PHY Quick Link */ + /* Enable interrupts from phy/mac for port */ imask = sky2_read32(hw, B0_IMSK); imask |= portirq_msk[port]; @@ -2040,6 +2053,8 @@ static void sky2_tx_reset(struct sky2_hw *hw, unsigned port) sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); + + sky2_read32(hw, B0_CTST); } static void sky2_hw_down(struct sky2_port *sky2) @@ -2090,7 +2105,7 @@ static void sky2_hw_down(struct sky2_port *sky2) } /* Network shutdown */ -static int sky2_down(struct net_device *dev) +static int sky2_close(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; @@ -2101,15 +2116,22 @@ static int sky2_down(struct net_device *dev) netif_info(sky2, ifdown, dev, "disabling interface\n"); - /* Disable port IRQ */ - sky2_write32(hw, B0_IMSK, - sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]); - sky2_read32(hw, B0_IMSK); - if (hw->ports == 1) { + sky2_write32(hw, B0_IMSK, 0); + sky2_read32(hw, B0_IMSK); + napi_disable(&hw->napi); free_irq(hw->pdev->irq, hw); + hw->flags &= ~SKY2_HW_IRQ_SETUP; } else { + u32 imask; + + /* Disable port IRQ */ + imask = sky2_read32(hw, B0_IMSK); + imask &= ~portirq_msk[sky2->port]; + sky2_write32(hw, B0_IMSK, imask); + sky2_read32(hw, B0_IMSK); + synchronize_irq(hw->pdev->irq); napi_synchronize(&hw->napi); } @@ -2587,7 +2609,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) if (netif_running(dev)) { sky2_tx_complete(sky2, last); - /* Wake unless it's detached, and called e.g. from sky2_down() */ + /* Wake unless it's detached, and called e.g. from sky2_close() */ if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) netif_wake_queue(dev); } @@ -3258,7 +3280,6 @@ static void sky2_reset(struct sky2_hw *hw) hw->chip_id == CHIP_ID_YUKON_PRM || hw->chip_id == CHIP_ID_YUKON_OP_2) { u16 reg; - u32 msk; if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) { /* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */ @@ -3281,11 +3302,6 @@ static void sky2_reset(struct sky2_hw *hw) sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); sky2_pci_write16(hw, PSM_CONFIG_REG4, reg); - /* enable PHY Quick Link */ - msk = sky2_read32(hw, B0_IMSK); - msk |= Y2_IS_PHY_QLNK; - sky2_write32(hw, B0_IMSK, msk); - /* check if PSMv2 was running before */ reg = sky2_pci_read16(hw, PSM_CONFIG_REG3); if (reg & PCI_EXP_LNKCTL_ASPMC) @@ -3383,7 +3399,7 @@ static void sky2_detach(struct net_device *dev) netif_tx_lock(dev); netif_device_detach(dev); /* stop txq */ netif_tx_unlock(dev); - sky2_down(dev); + sky2_close(dev); } } @@ -3393,7 +3409,7 @@ static int sky2_reattach(struct net_device *dev) int err = 0; if (netif_running(dev)) { - err = sky2_up(dev); + err = sky2_open(dev); if (err) { netdev_info(dev, "could not restart %d\n", err); dev_close(dev); @@ -3410,10 +3426,13 @@ static void sky2_all_down(struct sky2_hw *hw) { int i; - sky2_read32(hw, B0_IMSK); - sky2_write32(hw, B0_IMSK, 0); - synchronize_irq(hw->pdev->irq); - napi_disable(&hw->napi); + if (hw->flags & SKY2_HW_IRQ_SETUP) { + sky2_read32(hw, B0_IMSK); + sky2_write32(hw, B0_IMSK, 0); + + synchronize_irq(hw->pdev->irq); + napi_disable(&hw->napi); + } for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; @@ -3446,11 +3465,12 @@ static void sky2_all_up(struct sky2_hw *hw) netif_wake_queue(dev); } - sky2_write32(hw, B0_IMSK, imask); - sky2_read32(hw, B0_IMSK); - - sky2_read32(hw, B0_Y2_SP_LISR); - napi_enable(&hw->napi); + if (hw->flags & SKY2_HW_IRQ_SETUP) { + sky2_write32(hw, B0_IMSK, imask); + sky2_read32(hw, B0_IMSK); + sky2_read32(hw, B0_Y2_SP_LISR); + napi_enable(&hw->napi); + } } static void sky2_restart(struct work_struct *work) @@ -4071,6 +4091,16 @@ static int sky2_set_coalesce(struct net_device *dev, return 0; } +/* + * Hardware is limited to min of 128 and max of 2048 for ring size + * and rounded up to next power of two + * to avoid division in modulus calclation + */ +static unsigned long roundup_ring_size(unsigned long pending) +{ + return max(128ul, roundup_pow_of_two(pending+1)); +} + static void sky2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) { @@ -4098,7 +4128,7 @@ static int sky2_set_ringparam(struct net_device *dev, sky2->rx_pending = ering->rx_pending; sky2->tx_pending = ering->tx_pending; - sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1); + sky2->tx_ring_size = roundup_ring_size(sky2->tx_pending); return sky2_reattach(dev); } @@ -4556,7 +4586,7 @@ static int sky2_device_event(struct notifier_block *unused, struct net_device *dev = ptr; struct sky2_port *sky2 = netdev_priv(dev); - if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug) + if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug) return NOTIFY_DONE; switch (event) { @@ -4621,8 +4651,8 @@ static __exit void sky2_debug_cleanup(void) not allowing netpoll on second port */ static const struct net_device_ops sky2_netdev_ops[2] = { { - .ndo_open = sky2_up, - .ndo_stop = sky2_down, + .ndo_open = sky2_open, + .ndo_stop = sky2_close, .ndo_start_xmit = sky2_xmit_frame, .ndo_do_ioctl = sky2_ioctl, .ndo_validate_addr = eth_validate_addr, @@ -4638,8 +4668,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = { #endif }, { - .ndo_open = sky2_up, - .ndo_stop = sky2_down, + .ndo_open = sky2_open, + .ndo_stop = sky2_close, .ndo_start_xmit = sky2_xmit_frame, .ndo_do_ioctl = sky2_ioctl, .ndo_validate_addr = eth_validate_addr, @@ -4692,7 +4722,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, spin_lock_init(&sky2->phy_lock); sky2->tx_pending = TX_DEF_PENDING; - sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1); + sky2->tx_ring_size = roundup_ring_size(TX_DEF_PENDING); sky2->rx_pending = RX_DEF_PENDING; hw->dev[port] = dev; diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h index 0af31b8..ff6f58b 100644 --- a/drivers/net/ethernet/marvell/sky2.h +++ b/drivers/net/ethernet/marvell/sky2.h @@ -2287,6 +2287,7 @@ struct sky2_hw { #define SKY2_HW_RSS_BROKEN 0x00000100 #define SKY2_HW_VLAN_BROKEN 0x00000200 #define SKY2_HW_RSS_CHKSUM 0x00000400 /* RSS requires chksum */ +#define SKY2_HW_IRQ_SETUP 0x00000800 u8 chip_id; u8 chip_rev; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index b89c36d..c2df6c3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -581,6 +581,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud * Packet is OK - process it. */ length = be32_to_cpu(cqe->byte_cnt); + length -= ring->fcs_del; ring->bytes += length; ring->packets++; @@ -813,8 +814,11 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn, context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma); /* Cancel FCS removal if FW allows */ - if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) + if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) { context->param3 |= cpu_to_be32(1 << 29); + ring->fcs_del = ETH_FCS_LEN; + } else + ring->fcs_del = 0; err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state); if (err) { diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 8fda331c..207b5ad 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -272,6 +272,7 @@ struct mlx4_en_rx_ring { u32 prod; u32 cons; u32 buf_size; + u8 fcs_del; void *buf; void *rx_info; unsigned long bytes; diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 1dca570..1c61d36 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -609,7 +609,7 @@ struct nv_ethtool_str { }; static const struct nv_ethtool_str nv_estats_str[] = { - { "tx_bytes" }, + { "tx_bytes" }, /* includes Ethernet FCS CRC */ { "tx_zero_rexmt" }, { "tx_one_rexmt" }, { "tx_many_rexmt" }, @@ -637,7 +637,7 @@ static const struct nv_ethtool_str nv_estats_str[] = { /* version 2 stats */ { "tx_deferral" }, { "tx_packets" }, - { "rx_bytes" }, + { "rx_bytes" }, /* includes Ethernet FCS CRC */ { "tx_pause" }, { "rx_pause" }, { "rx_drop_frame" }, @@ -649,7 +649,7 @@ static const struct nv_ethtool_str nv_estats_str[] = { }; struct nv_ethtool_stats { - u64 tx_bytes; + u64 tx_bytes; /* should be ifconfig->tx_bytes + 4*tx_packets */ u64 tx_zero_rexmt; u64 tx_one_rexmt; u64 tx_many_rexmt; @@ -670,14 +670,14 @@ struct nv_ethtool_stats { u64 rx_unicast; u64 rx_multicast; u64 rx_broadcast; - u64 rx_packets; + u64 rx_packets; /* should be ifconfig->rx_packets */ u64 rx_errors_total; u64 tx_errors_total; /* version 2 stats */ u64 tx_deferral; - u64 tx_packets; - u64 rx_bytes; + u64 tx_packets; /* should be ifconfig->tx_packets */ + u64 rx_bytes; /* should be ifconfig->rx_bytes + 4*rx_packets */ u64 tx_pause; u64 rx_pause; u64 rx_drop_frame; @@ -1706,10 +1706,17 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev) if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_STATISTICS_V3)) { nv_get_hw_stats(dev); + /* + * Note: because HW stats are not always available and + * for consistency reasons, the following ifconfig + * stats are managed by software: rx_bytes, tx_bytes, + * rx_packets and tx_packets. The related hardware + * stats reported by ethtool should be equivalent to + * these ifconfig stats, with 4 additional bytes per + * packet (Ethernet FCS CRC). + */ + /* copy to net_device stats */ - dev->stats.tx_packets = np->estats.tx_packets; - dev->stats.rx_bytes = np->estats.rx_bytes; - dev->stats.tx_bytes = np->estats.tx_bytes; dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors; dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors; dev->stats.rx_crc_errors = np->estats.rx_crc_errors; @@ -2380,6 +2387,9 @@ static int nv_tx_done(struct net_device *dev, int limit) if (flags & NV_TX_ERROR) { if ((flags & NV_TX_RETRYERROR) && !(flags & NV_TX_RETRYCOUNT_MASK)) nv_legacybackoff_reseed(dev); + } else { + dev->stats.tx_packets++; + dev->stats.tx_bytes += np->get_tx_ctx->skb->len; } dev_kfree_skb_any(np->get_tx_ctx->skb); np->get_tx_ctx->skb = NULL; @@ -2390,6 +2400,9 @@ static int nv_tx_done(struct net_device *dev, int limit) if (flags & NV_TX2_ERROR) { if ((flags & NV_TX2_RETRYERROR) && !(flags & NV_TX2_RETRYCOUNT_MASK)) nv_legacybackoff_reseed(dev); + } else { + dev->stats.tx_packets++; + dev->stats.tx_bytes += np->get_tx_ctx->skb->len; } dev_kfree_skb_any(np->get_tx_ctx->skb); np->get_tx_ctx->skb = NULL; @@ -2429,6 +2442,9 @@ static int nv_tx_done_optimized(struct net_device *dev, int limit) else nv_legacybackoff_reseed(dev); } + } else { + dev->stats.tx_packets++; + dev->stats.tx_bytes += np->get_tx_ctx->skb->len; } dev_kfree_skb_any(np->get_tx_ctx->skb); @@ -2678,6 +2694,7 @@ static int nv_rx_process(struct net_device *dev, int limit) skb->protocol = eth_type_trans(skb, dev); napi_gro_receive(&np->napi, skb); dev->stats.rx_packets++; + dev->stats.rx_bytes += len; next_pkt: if (unlikely(np->get_rx.orig++ == np->last_rx.orig)) np->get_rx.orig = np->first_rx.orig; @@ -2761,6 +2778,7 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit) } napi_gro_receive(&np->napi, skb); dev->stats.rx_packets++; + dev->stats.rx_bytes += len; } else { dev_kfree_skb(skb); } diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c index 9c075ea..9cb5f91 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c @@ -18,8 +18,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ -#include <linux/module.h> /* for __MODULE_STRING */ #include "pch_gbe.h" +#include <linux/module.h> /* for __MODULE_STRING */ #define OPTION_UNSET -1 #define OPTION_DISABLED 0 diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c index 1fc01ca..4bf68cf 100644 --- a/drivers/net/ethernet/rdc/r6040.c +++ b/drivers/net/ethernet/rdc/r6040.c @@ -940,7 +940,7 @@ static void r6040_multicast_list(struct net_device *dev) iowrite16(lp->mcr0, ioaddr + MCR0); /* Fill the MAC hash tables with their values */ - if (lp->mcr0 && MCR0_HASH_EN) { + if (lp->mcr0 & MCR0_HASH_EN) { iowrite16(hash_table[0], ioaddr + MAR0); iowrite16(hash_table[1], ioaddr + MAR1); iowrite16(hash_table[2], ioaddr + MAR2); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 92b45f0..6f06aa1 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1292,7 +1292,7 @@ static void __rtl8169_check_link_status(struct net_device *dev, netif_carrier_off(dev); netif_info(tp, ifdown, dev, "link down\n"); if (pm) - pm_schedule_suspend(&tp->pci_dev->dev, 100); + pm_schedule_suspend(&tp->pci_dev->dev, 5000); } spin_unlock_irqrestore(&tp->lock, flags); } diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index d2be42a..8843071 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -1937,6 +1937,7 @@ static int __devinit smsc911x_init(struct net_device *dev) { struct smsc911x_data *pdata = netdev_priv(dev); unsigned int byte_test; + unsigned int to = 100; SMSC_TRACE(pdata, probe, "Driver Parameters:"); SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX", @@ -1952,6 +1953,17 @@ static int __devinit smsc911x_init(struct net_device *dev) return -ENODEV; } + /* + * poll the READY bit in PMT_CTRL. Any other access to the device is + * forbidden while this bit isn't set. Try for 100ms + */ + while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to) + udelay(1000); + if (to == 0) { + pr_err("Device not READY in 100ms aborting\n"); + return -ENODEV; + } + /* Check byte ordering */ byte_test = smsc911x_reg_read(pdata, BYTE_TEST); SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c index da66ac5..4d5402a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c @@ -39,10 +39,11 @@ static int dwmac1000_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx, /* DMA SW reset */ value |= DMA_BUS_MODE_SFT_RESET; writel(value, ioaddr + DMA_BUS_MODE); - limit = 15000; + limit = 10; while (limit--) { if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET)) break; + mdelay(10); } if (limit < 0) return -EBUSY; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c index 627f656..bc17fd0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c @@ -41,10 +41,11 @@ static int dwmac100_dma_init(void __iomem *ioaddr, int pbl, u32 dma_tx, /* DMA SW reset */ value |= DMA_BUS_MODE_SFT_RESET; writel(value, ioaddr + DMA_BUS_MODE); - limit = 15000; + limit = 10; while (limit--) { if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET)) break; + mdelay(10); } if (limit < 0) return -EBUSY; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 9bafa6c..a140a8f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -72,7 +72,6 @@ struct stmmac_priv { spinlock_t lock; spinlock_t tx_lock; int wolopts; - int wolenabled; int wol_irq; #ifdef CONFIG_STMMAC_TIMER struct stmmac_timer *tm; @@ -80,6 +79,7 @@ struct stmmac_priv { struct plat_stmmacenet_data *plat; struct stmmac_counters mmc; struct dma_features dma_cap; + int hw_cap_support; }; extern int stmmac_mdio_unregister(struct net_device *ndev); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index e8eff09..0395f9e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -430,6 +430,12 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct stmmac_priv *priv = netdev_priv(dev); u32 support = WAKE_MAGIC | WAKE_UCAST; + /* By default almost all GMAC devices support the WoL via + * magic frame but we can disable it if the HW capability + * register shows no support for pmt_magic_frame. */ + if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame)) + wol->wolopts &= ~WAKE_MAGIC; + if (!device_can_wakeup(priv->device)) return -EINVAL; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 20546bb..8ea770a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -321,12 +321,10 @@ static int stmmac_init_phy(struct net_device *dev) } /* Stop Advertising 1000BASE Capability if interface is not GMII */ - if ((interface) && ((interface == PHY_INTERFACE_MODE_MII) || - (interface == PHY_INTERFACE_MODE_RMII))) { - phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause | - SUPPORTED_Asym_Pause); - phydev->advertising = phydev->supported; - } + if ((interface == PHY_INTERFACE_MODE_MII) || + (interface == PHY_INTERFACE_MODE_RMII)) + phydev->advertising &= ~(SUPPORTED_1000baseT_Half | + SUPPORTED_1000baseT_Full); /* * Broken HW is sometimes missing the pull-up resistor on the @@ -807,8 +805,29 @@ static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv) return 0; } -/* New GMAC chips support a new register to indicate the - * presence of the optional feature/functions. +/** + * stmmac_selec_desc_mode + * @dev : device pointer + * Description: select the Enhanced/Alternate or Normal descriptors */ +static void stmmac_selec_desc_mode(struct stmmac_priv *priv) +{ + if (priv->plat->enh_desc) { + pr_info(" Enhanced/Alternate descriptors\n"); + priv->hw->desc = &enh_desc_ops; + } else { + pr_info(" Normal descriptors\n"); + priv->hw->desc = &ndesc_ops; + } +} + +/** + * stmmac_get_hw_features + * @priv : private device pointer + * Description: + * new GMAC chip generations have a new register to indicate the + * presence of the optional feature/functions. + * This can be also used to override the value passed through the + * platform and necessary for old MAC10/100 and GMAC chips. */ static int stmmac_get_hw_features(struct stmmac_priv *priv) { @@ -829,7 +848,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv) (hw_cap & DMA_HW_FEAT_RWKSEL) >> 9; priv->dma_cap.pmt_magic_frame = (hw_cap & DMA_HW_FEAT_MGKSEL) >> 10; - /*MMC*/ + /* MMC */ priv->dma_cap.rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11; /* IEEE 1588-2002*/ priv->dma_cap.time_stamp = @@ -857,8 +876,7 @@ static int stmmac_get_hw_features(struct stmmac_priv *priv) priv->dma_cap.enh_desc = (hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24; - } else - pr_debug("\tNo HW DMA feature register supported"); + } return hw_cap; } @@ -913,6 +931,44 @@ static int stmmac_open(struct net_device *dev) goto open_error; } + stmmac_get_synopsys_id(priv); + + priv->hw_cap_support = stmmac_get_hw_features(priv); + + if (priv->hw_cap_support) { + pr_info(" Support DMA HW capability register"); + + /* We can override some gmac/dma configuration fields: e.g. + * enh_desc, tx_coe (e.g. that are passed through the + * platform) with the values from the HW capability + * register (if supported). + */ + priv->plat->enh_desc = priv->dma_cap.enh_desc; + priv->plat->tx_coe = priv->dma_cap.tx_coe; + priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up; + + /* By default disable wol on magic frame if not supported */ + if (!priv->dma_cap.pmt_magic_frame) + priv->wolopts &= ~WAKE_MAGIC; + + } else + pr_info(" No HW DMA feature register supported"); + + /* Select the enhnaced/normal descriptor structures */ + stmmac_selec_desc_mode(priv); + + /* PMT module is not integrated in all the MAC devices. */ + if (priv->plat->pmt) { + pr_info(" Remote wake-up capable\n"); + device_set_wakeup_capable(priv->device, 1); + } + + priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr); + if (priv->rx_coe) + pr_info(" Checksum Offload Engine supported\n"); + if (priv->plat->tx_coe) + pr_info(" Checksum insertion supported\n"); + /* Create and initialize the TX/RX descriptors chains. */ priv->dma_tx_size = STMMAC_ALIGN(dma_txsize); priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize); @@ -935,15 +991,6 @@ static int stmmac_open(struct net_device *dev) /* Initialize the MAC Core */ priv->hw->mac->core_init(priv->ioaddr); - stmmac_get_synopsys_id(priv); - - stmmac_get_hw_features(priv); - - priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr); - if (priv->rx_coe) - pr_info("stmmac: Rx Checksum Offload Engine supported\n"); - if (priv->plat->tx_coe) - pr_info("\tTX Checksum insertion supported\n"); netdev_update_features(dev); /* Request the IRQ lines */ @@ -1489,9 +1536,7 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) if (!priv->phydev) return -EINVAL; - spin_lock(&priv->lock); ret = phy_mii_ioctl(priv->phydev, rq, cmd); - spin_unlock(&priv->lock); return ret; } @@ -1558,7 +1603,7 @@ static int stmmac_sysfs_dma_cap_read(struct seq_file *seq, void *v) struct net_device *dev = seq->private; struct stmmac_priv *priv = netdev_priv(dev); - if (!stmmac_get_hw_features(priv)) { + if (!priv->hw_cap_support) { seq_printf(seq, "DMA HW features not supported\n"); return 0; } @@ -1766,12 +1811,6 @@ static int stmmac_mac_device_setup(struct net_device *dev) if (!device) return -ENOMEM; - if (priv->plat->enh_desc) { - device->desc = &enh_desc_ops; - pr_info("\tEnhanced descriptor structure\n"); - } else - device->desc = &ndesc_ops; - priv->hw = device; priv->hw->ring = &ring_mode_ops; @@ -1845,11 +1884,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev) priv->ioaddr = addr; - /* PMT module is not integrated in all the MAC devices. */ - if (plat_dat->pmt) { - pr_info("\tPMT module supported\n"); - device_set_wakeup_capable(&pdev->dev, 1); - } /* * On some platforms e.g. SPEAr the wake up irq differs from the mac irq * The external wake up irq can be passed through the platform code @@ -1862,7 +1896,6 @@ static int stmmac_dvr_probe(struct platform_device *pdev) if (priv->wol_irq == -ENXIO) priv->wol_irq = ndev->irq; - platform_set_drvdata(pdev, ndev); /* Set the I/O base addr */ @@ -1875,7 +1908,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev) goto out_free_ndev; } - /* MAC HW revice detection */ + /* MAC HW device detection */ ret = stmmac_mac_device_setup(ndev); if (ret < 0) goto out_plat_exit; @@ -1978,12 +2011,13 @@ static int stmmac_suspend(struct device *dev) if (!ndev || !netif_running(ndev)) return 0; + if (priv->phydev) + phy_stop(priv->phydev); + spin_lock(&priv->lock); netif_device_detach(ndev); netif_stop_queue(ndev); - if (priv->phydev) - phy_stop(priv->phydev); #ifdef CONFIG_STMMAC_TIMER priv->tm->timer_stop(); @@ -2041,12 +2075,13 @@ static int stmmac_resume(struct device *dev) #endif napi_enable(&priv->napi); - if (priv->phydev) - phy_start(priv->phydev); - netif_start_queue(ndev); spin_unlock(&priv->lock); + + if (priv->phydev) + phy_start(priv->phydev); + return 0; } diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index c517dac..cf14ab9 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -2637,7 +2637,7 @@ static int __devinit happy_meal_sbus_probe_one(struct platform_device *op, int i sbus_dp = op->dev.parent->of_node; /* We can match PCI devices too, do not accept those here. */ - if (strcmp(sbus_dp->name, "sbus")) + if (strcmp(sbus_dp->name, "sbus") && strcmp(sbus_dp->name, "sbi")) return err; if (is_qfe) { diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index caf3659..2681b53 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -114,6 +114,7 @@ void temac_indirect_out32(struct temac_local *lp, int reg, u32 value) return; temac_iow(lp, XTE_LSW0_OFFSET, value); temac_iow(lp, XTE_CTL0_OFFSET, CNTLREG_WRITE_ENABLE_MASK | reg); + temac_indirect_busywait(lp); } /** @@ -203,6 +204,9 @@ static void temac_dma_bd_release(struct net_device *ndev) struct temac_local *lp = netdev_priv(ndev); int i; + /* Reset Local Link (DMA) */ + lp->dma_out(lp, DMA_CONTROL_REG, DMA_CONTROL_RST); + for (i = 0; i < RX_BD_NUM; i++) { if (!lp->rx_skb[i]) break; @@ -860,6 +864,8 @@ static int temac_open(struct net_device *ndev) phy_start(lp->phy_dev); } + temac_device_reset(ndev); + rc = request_irq(lp->tx_irq, ll_temac_tx_irq, 0, ndev->name, ndev); if (rc) goto err_tx_irq; @@ -867,7 +873,6 @@ static int temac_open(struct net_device *ndev) if (rc) goto err_rx_irq; - temac_device_reset(ndev); return 0; err_rx_irq: diff --git a/drivers/net/hippi/Kconfig b/drivers/net/hippi/Kconfig index 7393eb7..95eb34f 100644 --- a/drivers/net/hippi/Kconfig +++ b/drivers/net/hippi/Kconfig @@ -36,4 +36,4 @@ config ROADRUNNER_LARGE_RINGS kernel code or by user space programs. Say Y here only if you have the memory. -endif /* HIPPI */ +endif # HIPPI diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c index e81e22e..e6fed4d 100644 --- a/drivers/net/usb/asix.c +++ b/drivers/net/usb/asix.c @@ -36,7 +36,7 @@ #include <linux/usb/usbnet.h> #include <linux/slab.h> -#define DRIVER_VERSION "26-Sep-2011" +#define DRIVER_VERSION "08-Nov-2011" #define DRIVER_NAME "asix" /* ASIX AX8817X based USB 2.0 Ethernet Devices */ @@ -163,7 +163,7 @@ #define MARVELL_CTRL_TXDELAY 0x0002 #define MARVELL_CTRL_RXDELAY 0x0080 -#define PHY_MODE_RTL8211CL 0x0004 +#define PHY_MODE_RTL8211CL 0x000C /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ struct asix_data { @@ -652,9 +652,17 @@ static u32 asix_get_phyid(struct usbnet *dev) { int phy_reg; u32 phy_id; + int i; - phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); - if (phy_reg < 0) + /* Poll for the rare case the FW or phy isn't ready yet. */ + for (i = 0; i < 100; i++) { + phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); + if (phy_reg != 0 && phy_reg != 0xFFFF) + break; + mdelay(1); + } + + if (phy_reg <= 0 || phy_reg == 0xFFFF) return 0; phy_id = (phy_reg & 0xffff) << 16; @@ -1075,7 +1083,7 @@ static const struct net_device_ops ax88772_netdev_ops = { static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) { - int ret; + int ret, embd_phy; struct asix_data *data = (struct asix_data *)&dev->data; u8 buf[ETH_ALEN]; u32 phyid; @@ -1100,16 +1108,36 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.reg_num_mask = 0x1f; dev->mii.phy_id = asix_get_phy_addr(dev); - phyid = asix_get_phyid(dev); - dbg("PHYID=0x%08x", phyid); - dev->net->netdev_ops = &ax88772_netdev_ops; dev->net->ethtool_ops = &ax88772_ethtool_ops; - ret = ax88772_reset(dev); + embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); + + /* Reset the PHY to normal operation mode */ + ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + dbg("Select PHY #1 failed: %d", ret); + return ret; + } + + ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL); + if (ret < 0) + return ret; + + msleep(150); + + ret = asix_sw_reset(dev, AX_SWRESET_CLEAR); if (ret < 0) return ret; + msleep(150); + + ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE); + + /* Read PHYID register *AFTER* the PHY was reset properly */ + phyid = asix_get_phyid(dev); + dbg("PHYID=0x%08x", phyid); + /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ if (dev->driver_info->flags & FLAG_FRAMING_AX) { /* hard_mtu is still the default - the device does not support @@ -1220,6 +1248,7 @@ static int ax88178_reset(struct usbnet *dev) __le16 eeprom; u8 status; int gpio0 = 0; + u32 phyid; asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status); dbg("GPIO Status: 0x%04x", status); @@ -1235,12 +1264,13 @@ static int ax88178_reset(struct usbnet *dev) data->ledmode = 0; gpio0 = 1; } else { - data->phymode = le16_to_cpu(eeprom) & 7; + data->phymode = le16_to_cpu(eeprom) & 0x7F; data->ledmode = le16_to_cpu(eeprom) >> 8; gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1; } dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode); + /* Power up external GigaPHY through AX88178 GPIO pin */ asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40); if ((le16_to_cpu(eeprom) >> 8) != 1) { asix_write_gpio(dev, 0x003c, 30); @@ -1252,6 +1282,13 @@ static int ax88178_reset(struct usbnet *dev) asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30); } + /* Read PHYID register *AFTER* powering up PHY */ + phyid = asix_get_phyid(dev); + dbg("PHYID=0x%08x", phyid); + + /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */ + asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL); + asix_sw_reset(dev, 0); msleep(150); @@ -1396,7 +1433,6 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) { int ret; u8 buf[ETH_ALEN]; - u32 phyid; struct asix_data *data = (struct asix_data *)&dev->data; data->eeprom_len = AX88772_EEPROM_LEN; @@ -1423,12 +1459,12 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->netdev_ops = &ax88178_netdev_ops; dev->net->ethtool_ops = &ax88178_ethtool_ops; - phyid = asix_get_phyid(dev); - dbg("PHYID=0x%08x", phyid); + /* Blink LEDS so users know driver saw dongle */ + asix_sw_reset(dev, 0); + msleep(150); - ret = ax88178_reset(dev); - if (ret < 0) - return ret; + asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD); + msleep(150); /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ if (dev->driver_info->flags & FLAG_FRAMING_AX) { diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index c924ea2..99ed6eb 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -567,7 +567,7 @@ static const struct usb_device_id products [] = { { USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), - .driver_info = (unsigned long)&wwan_info, + .driver_info = 0, }, /* diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c index d43db32..9c26c63 100644 --- a/drivers/net/usb/lg-vl600.c +++ b/drivers/net/usb/lg-vl600.c @@ -144,10 +144,11 @@ static int vl600_rx_fixup(struct usbnet *dev, struct sk_buff *skb) } frame = (struct vl600_frame_hdr *) buf->data; - /* NOTE: Should check that frame->magic == 0x53544448? - * Otherwise if we receive garbage at the beginning of the frame - * we may end up allocating a huge buffer and saving all the - * future incoming data into it. */ + /* Yes, check that frame->magic == 0x53544448 (or 0x44544d48), + * otherwise we may run out of memory w/a bad packet */ + if (ntohl(frame->magic) != 0x53544448 && + ntohl(frame->magic) != 0x44544d48) + goto error; if (buf->len < sizeof(*frame) || buf->len != le32_to_cpup(&frame->len)) { @@ -296,6 +297,11 @@ encapsulate: * overwrite the remaining fields. */ packet = (struct vl600_pkt_hdr *) skb->data; + /* The VL600 wants IPv6 packets to have an IPv4 ethertype + * Since this modem only supports IPv4 and IPv6, just set all + * frames to 0x0800 (ETH_P_IP) + */ + packet->h_proto = htons(ETH_P_IP); memset(&packet->dummy, 0, sizeof(packet->dummy)); packet->len = cpu_to_le32(orig_len); @@ -308,21 +314,12 @@ encapsulate: if (skb->len < full_len) /* Pad */ skb_put(skb, full_len - skb->len); - /* The VL600 wants IPv6 packets to have an IPv4 ethertype - * Check if this is an IPv6 packet, and set the ethertype - * to 0x800 - */ - if ((skb->data[sizeof(struct vl600_pkt_hdr *) + 0x22] & 0xf0) == 0x60) { - skb->data[sizeof(struct vl600_pkt_hdr *) + 0x20] = 0x08; - skb->data[sizeof(struct vl600_pkt_hdr *) + 0x21] = 0; - } - return skb; } static const struct driver_info vl600_info = { .description = "LG VL600 modem", - .flags = FLAG_ETHER | FLAG_RX_ASSEMBLE, + .flags = FLAG_RX_ASSEMBLE | FLAG_WWAN, .bind = vl600_bind, .unbind = vl600_unbind, .status = usbnet_cdc_status, diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 22a7cf9..a5b9b12 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -51,6 +51,7 @@ #define USB_VENDOR_ID_SMSC (0x0424) #define USB_PRODUCT_ID_LAN7500 (0x7500) #define USB_PRODUCT_ID_LAN7505 (0x7505) +#define RXW_PADDING 2 #define check_warn(ret, fmt, args...) \ ({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); }) @@ -1088,13 +1089,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b)); le32_to_cpus(&rx_cmd_b); - skb_pull(skb, 4 + NET_IP_ALIGN); + skb_pull(skb, 4 + RXW_PADDING); packet = skb->data; /* get the packet length */ - size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN; - align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4; + size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING; + align_count = (4 - ((size + RXW_PADDING) % 4)) % 4; if (unlikely(rx_cmd_a & RX_CMD_A_RED)) { netif_dbg(dev, rx_err, dev->net, diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c index 85fa9cc..65ecb5b 100644 --- a/drivers/net/wireless/ath/regd.c +++ b/drivers/net/wireless/ath/regd.c @@ -254,6 +254,8 @@ ath_reg_apply_active_scan_flags(struct wiphy *wiphy, int r; sband = wiphy->bands[IEEE80211_BAND_2GHZ]; + if (!sband) + return; /* * If no country IE has been received always enable active scan diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 58ea0e5..5f77cbe 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -175,6 +175,7 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp, } } +/* TODO: verify if needed for SSLPN or LCN */ static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate) { const struct b43_phy *phy = &dev->phy; @@ -256,6 +257,9 @@ int b43_generate_txhdr(struct b43_wldev *dev, unsigned int plcp_fragment_len; u32 mac_ctl = 0; u16 phy_ctl = 0; + bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP || + phy->type == B43_PHYTYPE_N || + phy->type == B43_PHYTYPE_HT); u8 extra_ft = 0; struct ieee80211_rate *txrate; struct ieee80211_tx_rate *rates; @@ -531,7 +535,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, extra_ft |= B43_TXH_EFT_RTSFB_CCK; if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS && - phy->type == B43_PHYTYPE_N) { + fill_phy_ctl1) { txhdr->phy_ctl1_rts = cpu_to_le16( b43_generate_tx_phy_ctl1(dev, rts_rate)); txhdr->phy_ctl1_rts_fb = cpu_to_le16( @@ -552,7 +556,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, break; } - if (phy->type == B43_PHYTYPE_N) { + if (fill_phy_ctl1) { txhdr->phy_ctl1 = cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate)); txhdr->phy_ctl1_fb = @@ -736,7 +740,14 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) /* Link quality statistics */ switch (chanstat & B43_RX_CHAN_PHYTYPE) { + case B43_PHYTYPE_HT: + /* TODO: is max the right choice? */ + status.signal = max_t(__s8, + max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1), + rxhdr->phy_ht_power2); + break; case B43_PHYTYPE_N: + /* Broadcom has code for min and avg, but always uses max */ if (rxhdr->power0 == 16 || rxhdr->power0 == 32) status.signal = max(rxhdr->power1, rxhdr->power2); else diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h index 16c514d..98d9074 100644 --- a/drivers/net/wireless/b43/xmit.h +++ b/drivers/net/wireless/b43/xmit.h @@ -249,6 +249,12 @@ struct b43_rxhdr_fw4 { } __packed; } __packed; union { + /* HT-PHY */ + struct { + PAD_BYTES(1); + __s8 phy_ht_power0; + } __packed; + /* RSSI for N-PHYs */ struct { __s8 power2; @@ -257,7 +263,15 @@ struct b43_rxhdr_fw4 { __le16 phy_status2; /* PHY RX Status 2 */ } __packed; - __le16 phy_status3; /* PHY RX Status 3 */ + union { + /* HT-PHY */ + struct { + __s8 phy_ht_power1; + __s8 phy_ht_power2; + } __packed; + + __le16 phy_status3; /* PHY RX Status 3 */ + } __packed; union { /* Tested with 598.314, 644.1001 and 666.2 */ struct { diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c index b56a302..6ebec8f 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c @@ -358,13 +358,14 @@ static uint nrxdactive(struct dma_info *di, uint h, uint t) static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags) { - uint dmactrlflags = di->dma.dmactrlflags; + uint dmactrlflags; if (di == NULL) { - DMA_ERROR(("%s: _dma_ctrlflags: NULL dma handle\n", di->name)); + DMA_ERROR(("_dma_ctrlflags: NULL dma handle\n")); return 0; } + dmactrlflags = di->dma.dmactrlflags; dmactrlflags &= ~mask; dmactrlflags |= flags; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index da34110..ce91898 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -990,29 +990,16 @@ static int iwl_trans_tx_stop(struct iwl_trans *trans) return 0; } -static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans) +static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) { unsigned long flags; - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + /* tell the device to stop sending interrupts */ spin_lock_irqsave(&trans->shrd->lock, flags); iwl_disable_interrupts(trans); spin_unlock_irqrestore(&trans->shrd->lock, flags); - /* wait to make sure we flush pending tasklet*/ - synchronize_irq(bus(trans)->irq); - tasklet_kill(&trans_pcie->irq_tasklet); -} - -static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) -{ - /* stop and reset the on-board processor */ - iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); - - /* tell the device to stop sending interrupts */ - iwl_trans_pcie_disable_sync_irq(trans); - /* device going down, Stop using ICT table */ iwl_disable_ict(trans); @@ -1039,6 +1026,20 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) /* Stop the device, and put it in low power state */ iwl_apm_stop(priv(trans)); + + /* Upon stop, the APM issues an interrupt if HW RF kill is set. + * Clean again the interrupt here + */ + spin_lock_irqsave(&trans->shrd->lock, flags); + iwl_disable_interrupts(trans); + spin_unlock_irqrestore(&trans->shrd->lock, flags); + + /* wait to make sure we flush pending tasklet*/ + synchronize_irq(bus(trans)->irq); + tasklet_kill(&trans_pcie->irq_tasklet); + + /* stop and reset the on-board processor */ + iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); } static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 4fcd653..a7f1ab2 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -634,7 +634,7 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy, if (channel && !(channel->flags & IEEE80211_CHAN_DISABLED)) cfg80211_inform_bss(wiphy, channel, - bssid, le64_to_cpu(*(__le64 *)tsfdesc), + bssid, get_unaligned_le64(tsfdesc), capa, intvl, ie, ielen, LBS_SCAN_RSSI_TO_MBM(rssi), GFP_KERNEL); diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c index 11b69b3..728baa4 100644 --- a/drivers/net/wireless/libertas/if_spi.c +++ b/drivers/net/wireless/libertas/if_spi.c @@ -995,6 +995,7 @@ static int if_spi_host_to_card(struct lbs_private *priv, spin_unlock_irqrestore(&card->buffer_lock, flags); break; default: + kfree(packet); netdev_err(priv->dev, "can't transfer buffer of type %d\n", type); err = -EINVAL; diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index dae8dbb..8d3ab37 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -819,8 +819,10 @@ mwifiex_scan_setup_scan_config(struct mwifiex_private *priv, wildcard_ssid_tlv->header.len = cpu_to_le16( (u16) (ssid_len + sizeof(wildcard_ssid_tlv-> max_ssid_length))); - wildcard_ssid_tlv->max_ssid_length = - user_scan_in->ssid_list[ssid_idx].max_len; + + /* max_ssid_length = 0 tells firmware to perform + specific scan for the SSID filled */ + wildcard_ssid_tlv->max_ssid_length = 0; memcpy(wildcard_ssid_tlv->ssid, user_scan_in->ssid_list[ssid_idx].ssid, @@ -1469,7 +1471,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid, s32 rssi, const u8 *ie_buf, size_t ie_len, u16 beacon_period, u16 cap_info_bitmap, u8 band) { - struct mwifiex_bssdescriptor *bss_desc = NULL; + struct mwifiex_bssdescriptor *bss_desc; int ret; unsigned long flags; u8 *beacon_ie; @@ -1484,6 +1486,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid, beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL); if (!beacon_ie) { + kfree(bss_desc); dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); return -ENOMEM; } diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index f156579..3778763 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -919,6 +919,7 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x050d, 0x935b) }, /* Buffalo */ { USB_DEVICE(0x0411, 0x00e8) }, + { USB_DEVICE(0x0411, 0x0158) }, { USB_DEVICE(0x0411, 0x016f) }, { USB_DEVICE(0x0411, 0x01a2) }, /* Corega */ diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 2ec5c00..99ff12d 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -943,6 +943,7 @@ struct rt2x00_dev { * Powersaving work */ struct delayed_work autowakeup_work; + struct work_struct sleep_work; /* * Data queue arrays for RX, TX, Beacon and ATIM. diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index e1fb2a8..edd317f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -465,6 +465,23 @@ static u8 *rt2x00lib_find_ie(u8 *data, unsigned int len, u8 ie) return NULL; } +static void rt2x00lib_sleep(struct work_struct *work) +{ + struct rt2x00_dev *rt2x00dev = + container_of(work, struct rt2x00_dev, sleep_work); + + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + return; + + /* + * Check again is powersaving is enabled, to prevent races from delayed + * work execution. + */ + if (!test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags)) + rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf, + IEEE80211_CONF_CHANGE_PS); +} + static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb, struct rxdone_entry_desc *rxdesc) @@ -512,8 +529,7 @@ static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev, cam |= (tim_ie->bitmap_ctrl & 0x01); if (!cam && !test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags)) - rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf, - IEEE80211_CONF_CHANGE_PS); + queue_work(rt2x00dev->workqueue, &rt2x00dev->sleep_work); } static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev, @@ -1141,6 +1157,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled); INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup); + INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep); /* * Let the driver probe the device to detect the capabilities. @@ -1197,6 +1214,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) */ cancel_work_sync(&rt2x00dev->intf_work); cancel_delayed_work_sync(&rt2x00dev->autowakeup_work); + cancel_work_sync(&rt2x00dev->sleep_work); if (rt2x00_is_usb(rt2x00dev)) { del_timer_sync(&rt2x00dev->txstatus_timer); cancel_work_sync(&rt2x00dev->rxdone_work); diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 128ccb7..fc29c67 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -559,7 +559,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, break; } /* Fail if SSID isn't present in the filters */ - if (j == req->n_ssids) { + if (j == cmd->n_ssids) { ret = -EINVAL; goto out_free; } diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 6d3dd39..791270b 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -60,27 +60,27 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map); */ struct device_node *of_irq_find_parent(struct device_node *child) { - struct device_node *p, *c = child; + struct device_node *p; const __be32 *parp; - if (!of_node_get(c)) + if (!of_node_get(child)) return NULL; do { - parp = of_get_property(c, "interrupt-parent", NULL); + parp = of_get_property(child, "interrupt-parent", NULL); if (parp == NULL) - p = of_get_parent(c); + p = of_get_parent(child); else { if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) p = of_node_get(of_irq_dflt_pic); else p = of_find_node_by_phandle(be32_to_cpup(parp)); } - of_node_put(c); - c = p; + of_node_put(child); + child = p; } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); - return (p == child) ? NULL : p; + return p; } /** diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index b6f9749..f02b523 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -76,6 +76,7 @@ config PCI_IOV config PCI_PRI bool "PCI PRI support" + depends on PCI select PCI_ATS help PRI is the PCI Page Request Interface. It allows PCI devices that are diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 596172b..fce1c54 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -459,8 +459,17 @@ static int add_bridge(acpi_handle handle) { acpi_status status; unsigned long long tmp; + struct acpi_pci_root *root; acpi_handle dummy_handle; + /* + * We shouldn't use this bridge if PCIe native hotplug control has been + * granted by the BIOS for it. + */ + root = acpi_pci_find_root(handle); + if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)) + return -ENODEV; + /* if the bridge doesn't have _STA, we assume it is always there */ status = acpi_get_handle(handle, "_STA", &dummy_handle); if (ACPI_SUCCESS(status)) { @@ -1376,13 +1385,23 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, static acpi_status find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv) { + struct acpi_pci_root *root; int *count = (int *)context; - if (acpi_is_root_bridge(handle)) { - acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, - handle_hotplug_event_bridge, NULL); - (*count)++; - } + if (!acpi_is_root_bridge(handle)) + return AE_OK; + + root = acpi_pci_find_root(handle); + if (!root) + return AE_OK; + + if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL) + return AE_OK; + + (*count)++; + acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, + handle_hotplug_event_bridge, NULL); + return AE_OK ; } diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 1e9c9aa..085dbb5 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -213,9 +213,6 @@ static int board_added(struct slot *p_slot) goto err_exit; } - /* Wait for 1 second after checking link training status */ - msleep(1000); - /* Check for a power fault */ if (ctrl->power_fault_detected || pciehp_query_power_fault(p_slot)) { ctrl_err(ctrl, "Power fault on slot %s\n", slot_name(p_slot)); diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 96dc473..7b14148 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -280,6 +280,14 @@ int pciehp_check_link_status(struct controller *ctrl) else msleep(1000); + /* + * Need to wait for 1000 ms after Data Link Layer Link Active + * (DLLLA) bit reads 1b before sending configuration request. + * We need it before checking Link Training (LT) bit becuase + * LT is still set even after DLLLA bit is set on some platform. + */ + msleep(1000); + retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status); if (retval) { ctrl_err(ctrl, "Cannot read LNKSTATUS register\n"); @@ -294,6 +302,16 @@ int pciehp_check_link_status(struct controller *ctrl) return retval; } + /* + * If the port supports Link speeds greater than 5.0 GT/s, we + * must wait for 100 ms after Link training completes before + * sending configuration request. + */ + if (ctrl->pcie->port->subordinate->max_bus_speed > PCIE_SPEED_5_0GT) + msleep(100); + + pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status); + return retval; } @@ -484,7 +502,6 @@ int pciehp_power_on_slot(struct slot * slot) u16 slot_cmd; u16 cmd_mask; u16 slot_status; - u16 lnk_status; int retval = 0; /* Clear sticky power-fault bit from previous power failures */ @@ -516,14 +533,6 @@ int pciehp_power_on_slot(struct slot * slot) ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd); - retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status); - if (retval) { - ctrl_err(ctrl, "%s: Cannot read LNKSTA register\n", - __func__); - return retval; - } - pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status); - return retval; } diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index aca972b..dd7e0c5 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -278,8 +278,8 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value) static int is_shpc_capable(struct pci_dev *dev) { - if ((dev->vendor == PCI_VENDOR_ID_AMD) || (dev->device == - PCI_DEVICE_ID_AMD_GOLAM_7450)) + if (dev->vendor == PCI_VENDOR_ID_AMD && + dev->device == PCI_DEVICE_ID_AMD_GOLAM_7450) return 1; if (!pci_find_capability(dev, PCI_CAP_ID_SHPC)) return 0; diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c index 36547f0..75ba231 100644 --- a/drivers/pci/hotplug/shpchp_hpc.c +++ b/drivers/pci/hotplug/shpchp_hpc.c @@ -944,8 +944,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev) ctrl->pci_dev = pdev; /* pci_dev of the P2P bridge */ ctrl_dbg(ctrl, "Hotplug Controller:\n"); - if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device == - PCI_DEVICE_ID_AMD_GOLAM_7450)) { + if (pdev->vendor == PCI_VENDOR_ID_AMD && + pdev->device == PCI_DEVICE_ID_AMD_GOLAM_7450) { /* amd shpc driver doesn't use Base Offset; assume 0 */ ctrl->mmio_base = pci_resource_start(pdev, 0); ctrl->mmio_size = pci_resource_len(pdev, 0); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index a43cfd9..d93e962 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -589,14 +589,14 @@ static const struct backlight_ops dell_ops = { .update_status = dell_send_intensity, }; -static void touchpad_led_on() +static void touchpad_led_on(void) { int command = 0x97; char data = 1; i8042_command(&data, command | 1 << 12); } -static void touchpad_led_off() +static void touchpad_led_off(void) { int command = 0x97; char data = 2; diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c index 5c94d95..685ad43 100644 --- a/drivers/regulator/aat2870-regulator.c +++ b/drivers/regulator/aat2870-regulator.c @@ -160,7 +160,7 @@ static struct aat2870_regulator *aat2870_get_regulator(int id) break; } - if (!ri) + if (i == ARRAY_SIZE(aat2870_regulators)) return NULL; ri->enable_addr = AAT2870_LDO_EN; diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c index b3eba3c..e4b6880 100644 --- a/drivers/rtc/rtc-puv3.c +++ b/drivers/rtc/rtc-puv3.c @@ -220,7 +220,7 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en) } } -static int puv3_rtc_remove(struct platform_device *dev) +static int __devexit puv3_rtc_remove(struct platform_device *dev) { struct rtc_device *rtc = platform_get_drvdata(dev); @@ -236,7 +236,7 @@ static int puv3_rtc_remove(struct platform_device *dev) return 0; } -static int puv3_rtc_probe(struct platform_device *pdev) +static int __devinit puv3_rtc_probe(struct platform_device *pdev) { struct rtc_device *rtc; struct resource *res; diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 43068fb..1b6d924 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -641,6 +641,8 @@ static int __init zcore_init(void) if (ipl_info.type != IPL_TYPE_FCP_DUMP) return -ENODATA; + if (OLDMEM_BASE) + return -ENODATA; zcore_dbf = debug_register("zcore", 4, 1, 4 * sizeof(long)); debug_register_view(zcore_dbf, &debug_sprintf_view); diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index b77ae51..ec94f04 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -1271,18 +1271,16 @@ ap_config_timeout(unsigned long ptr) } /** - * ap_schedule_poll_timer(): Schedule poll timer. + * __ap_schedule_poll_timer(): Schedule poll timer. * * Set up the timer to run the poll tasklet */ -static inline void ap_schedule_poll_timer(void) +static inline void __ap_schedule_poll_timer(void) { ktime_t hr_time; spin_lock_bh(&ap_poll_timer_lock); - if (ap_using_interrupts() || ap_suspend_flag) - goto out; - if (hrtimer_is_queued(&ap_poll_timer)) + if (hrtimer_is_queued(&ap_poll_timer) || ap_suspend_flag) goto out; if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) { hr_time = ktime_set(0, poll_timeout); @@ -1294,6 +1292,18 @@ out: } /** + * ap_schedule_poll_timer(): Schedule poll timer. + * + * Set up the timer to run the poll tasklet + */ +static inline void ap_schedule_poll_timer(void) +{ + if (ap_using_interrupts()) + return; + __ap_schedule_poll_timer(); +} + +/** * ap_poll_read(): Receive pending reply messages from an AP device. * @ap_dev: pointer to the AP device * @flags: pointer to control flags, bit 2^0 is set if another poll is @@ -1374,8 +1384,9 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags) *flags |= 1; *flags |= 2; break; - case AP_RESPONSE_Q_FULL: case AP_RESPONSE_RESET_IN_PROGRESS: + __ap_schedule_poll_timer(); + case AP_RESPONSE_Q_FULL: *flags |= 2; break; case AP_RESPONSE_MESSAGE_TOO_BIG: diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig index fa80ba1..9b66d2d 100644 --- a/drivers/s390/net/Kconfig +++ b/drivers/s390/net/Kconfig @@ -4,7 +4,7 @@ menu "S/390 network device drivers" config LCS def_tristate m prompt "Lan Channel Station Interface" - depends on CCW && NETDEVICES && (NET_ETHERNET || TR || FDDI) + depends on CCW && NETDEVICES && (ETHERNET || TR || FDDI) help Select this option if you want to use LCS networking on IBM System z. This device driver supports Token Ring (IEEE 802.5), diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index c28713d..863fc21 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -50,7 +50,7 @@ #include "lcs.h" -#if !defined(CONFIG_NET_ETHERNET) && \ +#if !defined(CONFIG_ETHERNET) && \ !defined(CONFIG_TR) && !defined(CONFIG_FDDI) #error Cannot compile lcs.c without some net devices switched on. #endif @@ -1634,7 +1634,7 @@ lcs_startlan_auto(struct lcs_card *card) int rc; LCS_DBF_TEXT(2, trace, "strtauto"); -#ifdef CONFIG_NET_ETHERNET +#ifdef CONFIG_ETHERNET card->lan_type = LCS_FRAME_TYPE_ENET; rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP); if (rc == 0) @@ -2166,7 +2166,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev) goto netdev_out; } switch (card->lan_type) { -#ifdef CONFIG_NET_ETHERNET +#ifdef CONFIG_ETHERNET case LCS_FRAME_TYPE_ENET: card->lan_type_trans = eth_type_trans; dev = alloc_etherdev(0); diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index 3251333..b6a6356 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -1994,6 +1994,8 @@ static struct net_device *netiucv_init_netdevice(char *username) netiucv_setup_netdevice); if (!dev) return NULL; + if (dev_alloc_name(dev, dev->name) < 0) + goto out_netdev; privptr = netdev_priv(dev); privptr->fsm = init_fsm("netiucvdev", dev_state_names, diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index b77c65e..4abc79d 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -236,8 +236,7 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, #define QETH_IN_BUF_COUNT_MAX 128 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ - ((card)->ssqd.qdioac1 & AC1_SIGA_INPUT_NEEDED ? 1 : \ - ((card)->qdio.in_buf_pool.buf_count / 2)) + ((card)->qdio.in_buf_pool.buf_count / 2) /* buffers we have to be behind before we get a PCI */ #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 8153443..fff57de 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -881,7 +881,6 @@ EXPORT_SYMBOL_GPL(qeth_do_run_thread); void qeth_schedule_recovery(struct qeth_card *card) { QETH_CARD_TEXT(card, 2, "startrec"); - WARN_ON(1); if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) schedule_work(&card->kernel_thread_starter); } diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index e4c1176..4d5307d 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2756,11 +2756,13 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) struct neighbour *n = NULL; struct dst_entry *dst; + rcu_read_lock(); dst = skb_dst(skb); if (dst) n = dst_get_neighbour(dst); if (n) { cast_type = n->type; + rcu_read_unlock(); if ((cast_type == RTN_BROADCAST) || (cast_type == RTN_MULTICAST) || (cast_type == RTN_ANYCAST)) @@ -2768,6 +2770,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) else return RTN_UNSPEC; } + rcu_read_unlock(); + /* try something else */ if (skb->protocol == ETH_P_IPV6) return (skb_network_header(skb)[24] == 0xff) ? @@ -2847,6 +2851,8 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, } hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); + + rcu_read_lock(); dst = skb_dst(skb); if (dst) n = dst_get_neighbour(dst); @@ -2893,6 +2899,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; } } + rcu_read_unlock(); } static inline void qeth_l3_hdr_csum(struct qeth_card *card, diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index 0ea2fbf..d979bb2 100644 --- a/drivers/s390/net/qeth_l3_sys.c +++ b/drivers/s390/net/qeth_l3_sys.c @@ -335,10 +335,10 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev, QETH_IN_BUF_COUNT_MAX) qeth_realloc_buffer_pool(card, QETH_IN_BUF_COUNT_MAX); - break; } else rc = -EPERM; - default: /* fall through */ + break; + default: rc = -EINVAL; } out: diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 4aa76d6..705e13e 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -38,6 +38,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/slab.h> #include <linux/mutex.h> #include <linux/spinlock.h> @@ -1109,6 +1110,9 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, unique_id++; } + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | + PCIE_LINK_STATE_CLKPM); + error = pci_enable_device(pdev); if (error) goto out; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index e76107b..865d452 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/delay.h> @@ -3922,6 +3923,10 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h) dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); return -ENODEV; } + + pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | + PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); + err = pci_enable_device(h->pdev); if (err) { dev_warn(&h->pdev->dev, "unable to enable PCI device\n"); diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 8889b1b..4e041f6 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2802,6 +2802,11 @@ _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc) if (ioc->is_driver_loading) return; + + fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + if (!fw_event) + return; + fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 06bc2655..f85cfa6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1409,6 +1409,8 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) blk_start_request(req); + scmd_printk(KERN_INFO, cmd, "killing request\n"); + sdev = cmd->device; starget = scsi_target(sdev); shost = sdev->host; @@ -1490,7 +1492,6 @@ static void scsi_request_fn(struct request_queue *q) struct request *req; if (!sdev) { - printk("scsi: killing requests for dead queue\n"); while ((req = blk_peek_request(q)) != NULL) scsi_kill_request(req, q); return; diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 72273a0..b3c6d95 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -319,11 +319,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, return sdev; out_device_destroy: - scsi_device_set_state(sdev, SDEV_DEL); - transport_destroy_device(&sdev->sdev_gendev); - put_device(&sdev->sdev_dev); - scsi_free_queue(sdev->request_queue); - put_device(&sdev->sdev_gendev); + __scsi_remove_device(sdev); out: if (display_failure_msg) printk(ALLOC_FAILURE_MSG, __func__); diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index f103e47..5559b22 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2184,6 +2184,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) goto err_clk_prep; } + status = clk_enable(pl022->clk); + if (status) { + dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n"); + goto err_no_clk_en; + } + /* Disable SSP */ writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase)); @@ -2237,6 +2243,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) free_irq(adev->irq[0], pl022); err_no_irq: + clk_disable(pl022->clk); + err_no_clk_en: clk_unprepare(pl022->clk); err_clk_prep: clk_put(pl022->clk); diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig index 9e1864c..8190f2a 100644 --- a/drivers/staging/et131x/Kconfig +++ b/drivers/staging/et131x/Kconfig @@ -1,6 +1,7 @@ config ET131X tristate "Agere ET-1310 Gigabit Ethernet support" - depends on PCI + depends on PCI && NET && NETDEVICES + select PHYLIB default n ---help--- This driver supports Agere ET-1310 ethernet adapters. diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c index f5f44a0..0c1c6ca 100644 --- a/drivers/staging/et131x/et131x.c +++ b/drivers/staging/et131x/et131x.c @@ -4469,6 +4469,12 @@ static int et131x_resume(struct device *dev) return 0; } +static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume); +#define ET131X_PM_OPS (&et131x_pm_ops) +#else +#define ET131X_PM_OPS NULL +#endif + /* ISR functions */ /** @@ -5470,12 +5476,6 @@ err_out: return result; } -static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume); -#define ET131X_PM_OPS (&et131x_pm_ops) -#else -#define ET131X_PM_OPS NULL -#endif - static DEFINE_PCI_DEVICE_TABLE(et131x_pci_table) = { { PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_GIG), 0UL}, { PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_FAST), 0UL}, diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 326e967..2656409 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -242,6 +242,8 @@ static const struct file_operations iio_event_chrdev_fileops = { static int iio_event_getfd(struct iio_dev *indio_dev) { + int fd; + if (indio_dev->event_interface == NULL) return -ENODEV; @@ -252,9 +254,15 @@ static int iio_event_getfd(struct iio_dev *indio_dev) return -EBUSY; } mutex_unlock(&indio_dev->event_interface->event_list_lock); - return anon_inode_getfd("iio:event", + fd = anon_inode_getfd("iio:event", &iio_event_chrdev_fileops, indio_dev->event_interface, O_RDONLY); + if (fd < 0) { + mutex_lock(&indio_dev->event_interface->event_list_lock); + clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); + mutex_unlock(&indio_dev->event_interface->event_list_lock); + } + return fd; } static int __init iio_init(void) diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c index d335c7d..828526d 100644 --- a/drivers/staging/media/as102/as102_drv.c +++ b/drivers/staging/media/as102/as102_drv.c @@ -32,8 +32,8 @@ #include "as102_fw.h" #include "dvbdev.h" -int debug; -module_param_named(debug, debug, int, 0644); +int as102_debug; +module_param_named(debug, as102_debug, int, 0644); MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)"); int dual_tuner; diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h index bcda635..fd33f5a 100644 --- a/drivers/staging/media/as102/as102_drv.h +++ b/drivers/staging/media/as102/as102_drv.h @@ -37,7 +37,8 @@ extern struct spi_driver as102_spi_driver; #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver" #define DRIVER_NAME "as10x_usb" -extern int debug; +extern int as102_debug; +#define debug as102_debug #define dprintk(debug, args...) \ do { if (debug) { \ diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c index b445cd6..2542c37 100644 --- a/drivers/staging/octeon/ethernet-tx.c +++ b/drivers/staging/octeon/ethernet-tx.c @@ -275,7 +275,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev) CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64; for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { struct skb_frag_struct *fs = skb_shinfo(skb)->frags + i; - hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page) + fs->page_offset)); + hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page.p) + fs->page_offset)); hw_buffer.s.size = fs->size; CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64; } diff --git a/drivers/staging/slicoss/Kconfig b/drivers/staging/slicoss/Kconfig index 5cde96b..5c2a15b 100644 --- a/drivers/staging/slicoss/Kconfig +++ b/drivers/staging/slicoss/Kconfig @@ -1,6 +1,6 @@ config SLICOSS tristate "Alacritech Gigabit IS-NIC support" - depends on PCI && X86 + depends on PCI && X86 && NET default n help This driver supports Alacritech's IS-NIC gigabit ethernet cards. diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c index 435f6fa..44fbeba 100644 --- a/drivers/tty/hvc/hvc_dcc.c +++ b/drivers/tty/hvc/hvc_dcc.c @@ -46,6 +46,7 @@ static inline char __dcc_getchar(void) asm volatile("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg" : "=r" (__c)); + isb(); return __c; } @@ -55,6 +56,7 @@ static inline void __dcc_putchar(char c) asm volatile("mcr p14, 0, %0, c0, c5, 0 @ write a char" : /* no output register */ : "r" (c)); + isb(); } static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count) diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 5f479da..925a1e5 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1560,7 +1560,7 @@ config SERIAL_IFX6X60 Support for the IFX6x60 modem devices on Intel MID platforms. config SERIAL_PCH_UART - tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) UART" + tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" depends on PCI select SERIAL_CORE help @@ -1568,12 +1568,12 @@ config SERIAL_PCH_UART which is an IOH(Input/Output Hub) for x86 embedded processor. Enabling PCH_DMA, this PCH UART works as DMA mode. - This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ - Output Hub), ML7213 and ML7223. - ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is - for MP(Media Phone) use. - ML7213/ML7223 is companion chip for Intel Atom E6xx series. - ML7213/ML7223 is completely compatible for Intel EG20T PCH. + This driver also can be used for LAPIS Semiconductor IOH(Input/ + Output Hub), ML7213, ML7223 and ML7831. + ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is + for MP(Media Phone) use and ML7831 IOH is for general purpose use. + ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. + ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. config SERIAL_MSM_SMD bool "Enable tty device interface for some SMD ports" diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 4a0f86f..4c823f3 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -228,7 +228,7 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf) if (rs485conf->flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); atmel_port->tx_done_mask = ATMEL_US_TXEMPTY; - if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND) + if ((rs485conf->delay_rts_after_send) > 0) UART_PUT_TTGR(port, rs485conf->delay_rts_after_send); mode |= ATMEL_US_USMODE_RS485; } else { @@ -304,7 +304,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl) if (atmel_port->rs485.flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); - if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND) + if ((atmel_port->rs485.delay_rts_after_send) > 0) UART_PUT_TTGR(port, atmel_port->rs485.delay_rts_after_send); mode |= ATMEL_US_USMODE_RS485; @@ -1228,7 +1228,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, if (atmel_port->rs485.flags & SER_RS485_ENABLED) { dev_dbg(port->dev, "Setting UART to RS485\n"); - if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND) + if ((atmel_port->rs485.delay_rts_after_send) > 0) UART_PUT_TTGR(port, atmel_port->rs485.delay_rts_after_send); mode |= ATMEL_US_USMODE_RS485; @@ -1447,16 +1447,6 @@ static void __devinit atmel_of_init_port(struct atmel_uart_port *atmel_port, rs485conf->delay_rts_after_send = rs485_delay[1]; rs485conf->flags = 0; - if (rs485conf->delay_rts_before_send == 0 && - rs485conf->delay_rts_after_send == 0) { - rs485conf->flags |= SER_RS485_RTS_ON_SEND; - } else { - if (rs485conf->delay_rts_before_send) - rs485conf->flags |= SER_RS485_RTS_BEFORE_SEND; - if (rs485conf->delay_rts_after_send) - rs485conf->flags |= SER_RS485_RTS_AFTER_SEND; - } - if (of_get_property(np, "rs485-rx-during-tx", NULL)) rs485conf->flags |= SER_RS485_RX_DURING_TX; diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index b743504..1dfba7b 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -3234,9 +3234,8 @@ rs_write(struct tty_struct *tty, e100_disable_rx(info); e100_enable_rx_irq(info); #endif - if ((info->rs485.flags & SER_RS485_RTS_BEFORE_SEND) && - (info->rs485.delay_rts_before_send > 0)) - msleep(info->rs485.delay_rts_before_send); + if (info->rs485.delay_rts_before_send > 0) + msleep(info->rs485.delay_rts_before_send); } #endif /* CONFIG_ETRAX_RS485 */ @@ -3693,10 +3692,6 @@ rs_ioctl(struct tty_struct *tty, rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send; rs485data.flags = 0; - if (rs485data.delay_rts_before_send != 0) - rs485data.flags |= SER_RS485_RTS_BEFORE_SEND; - else - rs485data.flags &= ~(SER_RS485_RTS_BEFORE_SEND); if (rs485ctrl.enabled) rs485data.flags |= SER_RS485_ENABLED; @@ -4531,7 +4526,6 @@ static int __init rs_init(void) /* Set sane defaults */ info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND); info->rs485.flags |= SER_RS485_RTS_AFTER_SEND; - info->rs485.flags &= ~(SER_RS485_RTS_BEFORE_SEND); info->rs485.delay_rts_before_send = 0; info->rs485.flags &= ~(SER_RS485_ENABLED); #endif diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c index 286c386..e272d39 100644 --- a/drivers/tty/serial/mfd.c +++ b/drivers/tty/serial/mfd.c @@ -884,7 +884,6 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, { struct uart_hsu_port *up = container_of(port, struct uart_hsu_port, port); - struct tty_struct *tty = port->state->port.tty; unsigned char cval, fcr = 0; unsigned long flags; unsigned int baud, quot; @@ -907,8 +906,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, } /* CMSPAR isn't supported by this driver */ - if (tty) - tty->termios->c_cflag &= ~CMSPAR; + termios->c_cflag &= ~CMSPAR; if (termios->c_cflag & CSTOPB) cval |= UART_LCR_STOP; diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 21febef..d6aba8c 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -1,5 +1,5 @@ /* - *Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. + *Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. * *This program is free software; you can redistribute it and/or modify *it under the terms of the GNU General Public License as published by @@ -46,8 +46,8 @@ enum { /* Set the max number of UART port * Intel EG20T PCH: 4 port - * OKI SEMICONDUCTOR ML7213 IOH: 3 port - * OKI SEMICONDUCTOR ML7223 IOH: 2 port + * LAPIS Semiconductor ML7213 IOH: 3 port + * LAPIS Semiconductor ML7223 IOH: 2 port */ #define PCH_UART_NR 4 @@ -258,6 +258,8 @@ enum pch_uart_num_t { pch_ml7213_uart2, pch_ml7223_uart0, pch_ml7223_uart1, + pch_ml7831_uart0, + pch_ml7831_uart1, }; static struct pch_uart_driver_data drv_dat[] = { @@ -270,6 +272,8 @@ static struct pch_uart_driver_data drv_dat[] = { [pch_ml7213_uart2] = {PCH_UART_2LINE, 2}, [pch_ml7223_uart0] = {PCH_UART_8LINE, 0}, [pch_ml7223_uart1] = {PCH_UART_2LINE, 1}, + [pch_ml7831_uart0] = {PCH_UART_8LINE, 0}, + [pch_ml7831_uart1] = {PCH_UART_2LINE, 1}, }; static unsigned int default_baud = 9600; @@ -628,6 +632,7 @@ static void pch_request_dma(struct uart_port *port) dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Rx)\n", __func__); dma_release_channel(priv->chan_tx); + priv->chan_tx = NULL; return; } @@ -1215,8 +1220,7 @@ static void pch_uart_shutdown(struct uart_port *port) dev_err(priv->port.dev, "pch_uart_hal_set_fifo Failed(ret=%d)\n", ret); - if (priv->use_dma_flag) - pch_free_dma(port); + pch_free_dma(port); free_irq(priv->port.irq, priv); } @@ -1280,6 +1284,7 @@ static void pch_uart_set_termios(struct uart_port *port, if (rtn) goto out; + pch_uart_set_mctrl(&priv->port, priv->port.mctrl); /* Don't rewrite B0 */ if (tty_termios_baud_rate(termios)) tty_termios_encode_baud_rate(termios, baud, baud); @@ -1552,6 +1557,10 @@ static DEFINE_PCI_DEVICE_TABLE(pch_uart_pci_id) = { .driver_data = pch_ml7223_uart0}, {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800D), .driver_data = pch_ml7223_uart1}, + {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8811), + .driver_data = pch_ml7831_uart0}, + {PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8812), + .driver_data = pch_ml7831_uart1}, {0,}, }; diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 512c49f..8e0924f 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -36,6 +36,7 @@ #include <linux/kmod.h> #include <linux/nsproxy.h> +#include <linux/ratelimit.h> /* * This guards the refcounted line discipline lists. The lock @@ -547,15 +548,16 @@ static void tty_ldisc_flush_works(struct tty_struct *tty) /** * tty_ldisc_wait_idle - wait for the ldisc to become idle * @tty: tty to wait for + * @timeout: for how long to wait at most * * Wait for the line discipline to become idle. The discipline must * have been halted for this to guarantee it remains idle. */ -static int tty_ldisc_wait_idle(struct tty_struct *tty) +static int tty_ldisc_wait_idle(struct tty_struct *tty, long timeout) { - int ret; + long ret; ret = wait_event_timeout(tty_ldisc_idle, - atomic_read(&tty->ldisc->users) == 1, 5 * HZ); + atomic_read(&tty->ldisc->users) == 1, timeout); if (ret < 0) return ret; return ret > 0 ? 0 : -EBUSY; @@ -665,7 +667,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) tty_ldisc_flush_works(tty); - retval = tty_ldisc_wait_idle(tty); + retval = tty_ldisc_wait_idle(tty, 5 * HZ); tty_lock(); mutex_lock(&tty->ldisc_mutex); @@ -762,8 +764,6 @@ static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc) if (IS_ERR(ld)) return -1; - WARN_ON_ONCE(tty_ldisc_wait_idle(tty)); - tty_ldisc_close(tty, tty->ldisc); tty_ldisc_put(tty->ldisc); tty->ldisc = NULL; @@ -838,7 +838,7 @@ void tty_ldisc_hangup(struct tty_struct *tty) tty_unlock(); cancel_work_sync(&tty->buf.work); mutex_unlock(&tty->ldisc_mutex); - +retry: tty_lock(); mutex_lock(&tty->ldisc_mutex); @@ -847,6 +847,22 @@ void tty_ldisc_hangup(struct tty_struct *tty) it means auditing a lot of other paths so this is a FIXME */ if (tty->ldisc) { /* Not yet closed */ + if (atomic_read(&tty->ldisc->users) != 1) { + char cur_n[TASK_COMM_LEN], tty_n[64]; + long timeout = 3 * HZ; + tty_unlock(); + + while (tty_ldisc_wait_idle(tty, timeout) == -EBUSY) { + timeout = MAX_SCHEDULE_TIMEOUT; + printk_ratelimited(KERN_WARNING + "%s: waiting (%s) for %s took too long, but we keep waiting...\n", + __func__, get_task_comm(cur_n, current), + tty_name(tty, tty_n)); + } + mutex_unlock(&tty->ldisc_mutex); + goto retry; + } + if (reset == 0) { if (!tty_ldisc_reinit(tty, tty->termios->c_line)) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 6960715..e8c564a 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -539,7 +539,6 @@ static void acm_port_down(struct acm *acm) { int i; - mutex_lock(&open_mutex); if (acm->dev) { usb_autopm_get_interface(acm->control); acm_set_control(acm, acm->ctrlout = 0); @@ -551,14 +550,15 @@ static void acm_port_down(struct acm *acm) acm->control->needs_remote_wakeup = 0; usb_autopm_put_interface(acm->control); } - mutex_unlock(&open_mutex); } static void acm_tty_hangup(struct tty_struct *tty) { struct acm *acm = tty->driver_data; tty_port_hangup(&acm->port); + mutex_lock(&open_mutex); acm_port_down(acm); + mutex_unlock(&open_mutex); } static void acm_tty_close(struct tty_struct *tty, struct file *filp) @@ -569,8 +569,9 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp) shutdown */ if (!acm) return; + + mutex_lock(&open_mutex); if (tty_port_close_start(&acm->port, tty, filp) == 0) { - mutex_lock(&open_mutex); if (!acm->dev) { tty_port_tty_set(&acm->port, NULL); acm_tty_unregister(acm); @@ -582,6 +583,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp) acm_port_down(acm); tty_port_close_end(&acm->port, tty); tty_port_tty_set(&acm->port, NULL); + mutex_unlock(&open_mutex); } static int acm_tty_write(struct tty_struct *tty, diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 96f05b2..7978146 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -813,6 +813,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) USB_PORT_FEAT_C_PORT_LINK_STATE); } + if ((portchange & USB_PORT_STAT_C_BH_RESET) && + hub_is_superspeed(hub->hdev)) { + need_debounce_delay = true; + clear_port_feature(hub->hdev, port1, + USB_PORT_FEAT_C_BH_PORT_RESET); + } /* We can forget about a "removed" device when there's a * physical disconnect or the connect status changes. */ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d6a8d82..ecf12e1 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -50,15 +50,42 @@ static const struct usb_device_id usb_quirk_list[] = { /* Logitech Webcam B/C500 */ { USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C600 */ + { USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam Pro 9000 */ { USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C905 */ + { USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Webcam C210 */ + { USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Webcam C260 */ + { USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C310 */ { USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C910 */ + { USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Webcam C160 */ + { USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C270 */ { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Quickcam Pro 9000 */ + { USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Quickcam E3500 */ + { USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Quickcam Vision Pro */ + { USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Harmony 700-series */ { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fa824cf..25dbd86 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1284,6 +1284,7 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc) int ret; dep->endpoint.maxpacket = 1024; + dep->endpoint.max_streams = 15; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list, &dwc->gadget.ep_list); diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index b21cd37..23a4473 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -469,7 +469,7 @@ config USB_LANGWELL gadget drivers to also be dynamically linked. config USB_EG20T - tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC" + tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" depends on PCI select USB_GADGET_DUALSPEED help @@ -485,10 +485,11 @@ config USB_EG20T This driver dose not support interrupt transfer or isochronous transfer modes. - This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is + This driver also can be used for LAPIS Semiconductor's ML7213 which is for IVI(In-Vehicle Infotainment) use. - ML7213 is companion chip for Intel Atom E6xx series. - ML7213 is completely compatible for Intel EG20T PCH. + ML7831 is for general purpose use. + ML7213/ML7831 is companion chip for Intel Atom E6xx series. + ML7213/ML7831 is completely compatible for Intel EG20T PCH. config USB_CI13XXX_MSM tristate "MIPS USB CI13xxx for MSM" diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c index 4eedfe5..1fc6129 100644 --- a/drivers/usb/gadget/ci13xxx_msm.c +++ b/drivers/usb/gadget/ci13xxx_msm.c @@ -122,3 +122,5 @@ static int __init ci13xxx_msm_init(void) return platform_driver_register(&ci13xxx_msm_driver); } module_init(ci13xxx_msm_init); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 83428f5..9a0c397 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -71,6 +71,9 @@ /****************************************************************************** * DEFINE *****************************************************************************/ + +#define DMA_ADDR_INVALID (~(dma_addr_t)0) + /* ctrl register bank access */ static DEFINE_SPINLOCK(udc_lock); @@ -1434,7 +1437,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) return -EALREADY; mReq->req.status = -EALREADY; - if (length && !mReq->req.dma) { + if (length && mReq->req.dma == DMA_ADDR_INVALID) { mReq->req.dma = \ dma_map_single(mEp->device, mReq->req.buf, length, mEp->dir ? DMA_TO_DEVICE : @@ -1453,7 +1456,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) dma_unmap_single(mEp->device, mReq->req.dma, length, mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = 0; + mReq->req.dma = DMA_ADDR_INVALID; mReq->map = 0; } return -ENOMEM; @@ -1549,7 +1552,7 @@ static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) if (mReq->map) { dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = 0; + mReq->req.dma = DMA_ADDR_INVALID; mReq->map = 0; } @@ -1610,7 +1613,6 @@ __acquires(mEp->lock) * @gadget: gadget * * This function returns an error code - * Caller must hold lock */ static int _gadget_stop_activity(struct usb_gadget *gadget) { @@ -2189,6 +2191,7 @@ static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags); if (mReq != NULL) { INIT_LIST_HEAD(&mReq->queue); + mReq->req.dma = DMA_ADDR_INVALID; mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags, &mReq->dma); @@ -2328,7 +2331,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) if (mReq->map) { dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = 0; + mReq->req.dma = DMA_ADDR_INVALID; mReq->map = 0; } req->status = -ECONNRESET; @@ -2500,12 +2503,12 @@ static int ci13xxx_wakeup(struct usb_gadget *_gadget) spin_lock_irqsave(udc->lock, flags); if (!udc->remote_wakeup) { ret = -EOPNOTSUPP; - dbg_trace("remote wakeup feature is not enabled\n"); + trace("remote wakeup feature is not enabled\n"); goto out; } if (!hw_cread(CAP_PORTSC, PORTSC_SUSP)) { ret = -EINVAL; - dbg_trace("port is not suspended\n"); + trace("port is not suspended\n"); goto out; } hw_cwrite(CAP_PORTSC, PORTSC_FPR, PORTSC_FPR); @@ -2703,7 +2706,9 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver) if (udc->udc_driver->notify_event) udc->udc_driver->notify_event(udc, CI13XXX_CONTROLLER_STOPPED_EVENT); + spin_unlock_irqrestore(udc->lock, flags); _gadget_stop_activity(&udc->gadget); + spin_lock_irqsave(udc->lock, flags); pm_runtime_put(&udc->gadget.dev); } @@ -2850,7 +2855,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, struct ci13xxx *udc; int retval = 0; - trace("%p, %p, %p", dev, regs, name); + trace("%p, %p, %p", dev, regs, driver->name); if (dev == NULL || regs == NULL || driver == NULL || driver->name == NULL) diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 52583a2..c39d588 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -624,7 +624,8 @@ static int fsg_setup(struct usb_function *f, if (ctrl->bRequestType != (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != fsg->interface_number || w_value != 0) + if (w_index != fsg->interface_number || w_value != 0 || + w_length != 0) return -EDOM; /* @@ -639,7 +640,8 @@ static int fsg_setup(struct usb_function *f, if (ctrl->bRequestType != (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != fsg->interface_number || w_value != 0) + if (w_index != fsg->interface_number || w_value != 0 || + w_length != 1) return -EDOM; VDBG(fsg, "get max LUN\n"); *(u8 *)req->buf = fsg->common->nluns - 1; diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c index 67b2229..3797b3d 100644 --- a/drivers/usb/gadget/f_midi.c +++ b/drivers/usb/gadget/f_midi.c @@ -95,7 +95,6 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req); DECLARE_UAC_AC_HEADER_DESCRIPTOR(1); DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1); -DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(16); DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(16); /* B.3.1 Standard AC Interface Descriptor */ @@ -140,26 +139,6 @@ static struct usb_ms_header_descriptor ms_header_desc __initdata = { /* .wTotalLength = DYNAMIC */ }; -/* B.4.3 Embedded MIDI IN Jack Descriptor */ -static struct usb_midi_in_jack_descriptor jack_in_emb_desc = { - .bLength = USB_DT_MIDI_IN_SIZE, - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubtype = USB_MS_MIDI_IN_JACK, - .bJackType = USB_MS_EMBEDDED, - /* .bJackID = DYNAMIC */ -}; - -/* B.4.4 Embedded MIDI OUT Jack Descriptor */ -static struct usb_midi_out_jack_descriptor_16 jack_out_emb_desc = { - /* .bLength = DYNAMIC */ - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubtype = USB_MS_MIDI_OUT_JACK, - .bJackType = USB_MS_EMBEDDED, - /* .bJackID = DYNAMIC */ - /* .bNrInputPins = DYNAMIC */ - /* .pins = DYNAMIC */ -}; - /* B.5.1 Standard Bulk OUT Endpoint Descriptor */ static struct usb_endpoint_descriptor bulk_out_desc = { .bLength = USB_DT_ENDPOINT_AUDIO_SIZE, @@ -758,9 +737,11 @@ fail: static int __init f_midi_bind(struct usb_configuration *c, struct usb_function *f) { - struct usb_descriptor_header *midi_function[(MAX_PORTS * 2) + 12]; + struct usb_descriptor_header **midi_function; struct usb_midi_in_jack_descriptor jack_in_ext_desc[MAX_PORTS]; + struct usb_midi_in_jack_descriptor jack_in_emb_desc[MAX_PORTS]; struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc[MAX_PORTS]; + struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc[MAX_PORTS]; struct usb_composite_dev *cdev = c->cdev; struct f_midi *midi = func_to_midi(f); int status, n, jack = 1, i = 0; @@ -798,6 +779,14 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) goto fail; midi->out_ep->driver_data = cdev; /* claim */ + /* allocate temporary function list */ + midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(midi_function), + GFP_KERNEL); + if (!midi_function) { + status = -ENOMEM; + goto fail; + } + /* * construct the function's descriptor set. As the number of * input and output MIDI ports is configurable, we have to do @@ -811,73 +800,74 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) /* calculate the header's wTotalLength */ n = USB_DT_MS_HEADER_SIZE - + (1 + midi->in_ports) * USB_DT_MIDI_IN_SIZE - + (1 + midi->out_ports) * USB_DT_MIDI_OUT_SIZE(1); + + (midi->in_ports + midi->out_ports) * + (USB_DT_MIDI_IN_SIZE + USB_DT_MIDI_OUT_SIZE(1)); ms_header_desc.wTotalLength = cpu_to_le16(n); midi_function[i++] = (struct usb_descriptor_header *) &ms_header_desc; - /* we have one embedded IN jack */ - jack_in_emb_desc.bJackID = jack++; - midi_function[i++] = (struct usb_descriptor_header *) &jack_in_emb_desc; - - /* and a dynamic amount of external IN jacks */ - for (n = 0; n < midi->in_ports; n++) { - struct usb_midi_in_jack_descriptor *ext = &jack_in_ext_desc[n]; - - ext->bLength = USB_DT_MIDI_IN_SIZE; - ext->bDescriptorType = USB_DT_CS_INTERFACE; - ext->bDescriptorSubtype = USB_MS_MIDI_IN_JACK; - ext->bJackType = USB_MS_EXTERNAL; - ext->bJackID = jack++; - ext->iJack = 0; - - midi_function[i++] = (struct usb_descriptor_header *) ext; - } - - /* one embedded OUT jack ... */ - jack_out_emb_desc.bLength = USB_DT_MIDI_OUT_SIZE(midi->in_ports); - jack_out_emb_desc.bJackID = jack++; - jack_out_emb_desc.bNrInputPins = midi->in_ports; - /* ... which referencess all external IN jacks */ + /* configure the external IN jacks, each linked to an embedded OUT jack */ for (n = 0; n < midi->in_ports; n++) { - jack_out_emb_desc.pins[n].baSourceID = jack_in_ext_desc[n].bJackID; - jack_out_emb_desc.pins[n].baSourcePin = 1; + struct usb_midi_in_jack_descriptor *in_ext = &jack_in_ext_desc[n]; + struct usb_midi_out_jack_descriptor_1 *out_emb = &jack_out_emb_desc[n]; + + in_ext->bLength = USB_DT_MIDI_IN_SIZE; + in_ext->bDescriptorType = USB_DT_CS_INTERFACE; + in_ext->bDescriptorSubtype = USB_MS_MIDI_IN_JACK; + in_ext->bJackType = USB_MS_EXTERNAL; + in_ext->bJackID = jack++; + in_ext->iJack = 0; + midi_function[i++] = (struct usb_descriptor_header *) in_ext; + + out_emb->bLength = USB_DT_MIDI_OUT_SIZE(1); + out_emb->bDescriptorType = USB_DT_CS_INTERFACE; + out_emb->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK; + out_emb->bJackType = USB_MS_EMBEDDED; + out_emb->bJackID = jack++; + out_emb->bNrInputPins = 1; + out_emb->pins[0].baSourcePin = 1; + out_emb->pins[0].baSourceID = in_ext->bJackID; + out_emb->iJack = 0; + midi_function[i++] = (struct usb_descriptor_header *) out_emb; + + /* link it to the endpoint */ + ms_in_desc.baAssocJackID[n] = out_emb->bJackID; } - midi_function[i++] = (struct usb_descriptor_header *) &jack_out_emb_desc; - - /* and multiple external OUT jacks ... */ + /* configure the external OUT jacks, each linked to an embedded IN jack */ for (n = 0; n < midi->out_ports; n++) { - struct usb_midi_out_jack_descriptor_1 *ext = &jack_out_ext_desc[n]; - int m; - - ext->bLength = USB_DT_MIDI_OUT_SIZE(1); - ext->bDescriptorType = USB_DT_CS_INTERFACE; - ext->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK; - ext->bJackType = USB_MS_EXTERNAL; - ext->bJackID = jack++; - ext->bNrInputPins = 1; - ext->iJack = 0; - /* ... which all reference the same embedded IN jack */ - for (m = 0; m < midi->out_ports; m++) { - ext->pins[m].baSourceID = jack_in_emb_desc.bJackID; - ext->pins[m].baSourcePin = 1; - } - - midi_function[i++] = (struct usb_descriptor_header *) ext; + struct usb_midi_in_jack_descriptor *in_emb = &jack_in_emb_desc[n]; + struct usb_midi_out_jack_descriptor_1 *out_ext = &jack_out_ext_desc[n]; + + in_emb->bLength = USB_DT_MIDI_IN_SIZE; + in_emb->bDescriptorType = USB_DT_CS_INTERFACE; + in_emb->bDescriptorSubtype = USB_MS_MIDI_IN_JACK; + in_emb->bJackType = USB_MS_EMBEDDED; + in_emb->bJackID = jack++; + in_emb->iJack = 0; + midi_function[i++] = (struct usb_descriptor_header *) in_emb; + + out_ext->bLength = USB_DT_MIDI_OUT_SIZE(1); + out_ext->bDescriptorType = USB_DT_CS_INTERFACE; + out_ext->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK; + out_ext->bJackType = USB_MS_EXTERNAL; + out_ext->bJackID = jack++; + out_ext->bNrInputPins = 1; + out_ext->iJack = 0; + out_ext->pins[0].baSourceID = in_emb->bJackID; + out_ext->pins[0].baSourcePin = 1; + midi_function[i++] = (struct usb_descriptor_header *) out_ext; + + /* link it to the endpoint */ + ms_out_desc.baAssocJackID[n] = in_emb->bJackID; } /* configure the endpoint descriptors ... */ ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports); ms_out_desc.bNumEmbMIDIJack = midi->in_ports; - for (n = 0; n < midi->in_ports; n++) - ms_out_desc.baAssocJackID[n] = jack_in_emb_desc.bJackID; ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports); ms_in_desc.bNumEmbMIDIJack = midi->out_ports; - for (n = 0; n < midi->out_ports; n++) - ms_in_desc.baAssocJackID[n] = jack_out_emb_desc.bJackID; /* ... and add them to the list */ midi_function[i++] = (struct usb_descriptor_header *) &bulk_out_desc; @@ -901,6 +891,8 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) f->descriptors = usb_copy_descriptors(midi_function); } + kfree(midi_function); + return 0; fail: diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 3490770..16a509a 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -346,7 +346,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) } skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, - skb->len == 0, req->actual); + skb->len <= 1, req->actual); page = NULL; if (req->actual < req->length) { /* Last fragment */ diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index f7e39b0..11b5196 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -859,7 +859,7 @@ static int class_setup_req(struct fsg_dev *fsg, if (ctrl->bRequestType != (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != 0 || w_value != 0) { + if (w_index != 0 || w_value != 0 || w_length != 0) { value = -EDOM; break; } @@ -875,7 +875,7 @@ static int class_setup_req(struct fsg_dev *fsg, if (ctrl->bRequestType != (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != 0 || w_value != 0) { + if (w_index != 0 || w_value != 0 || w_length != 1) { value = -EDOM; break; } diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index b2c44e1..b3b3d83 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1717,7 +1717,7 @@ static void dtd_complete_irq(struct fsl_udc *udc) static inline enum usb_device_speed portscx_device_speed(u32 reg) { - switch (speed & PORTSCX_PORT_SPEED_MASK) { + switch (reg & PORTSCX_PORT_SPEED_MASK) { case PORTSCX_PORT_SPEED_HIGH: return USB_SPEED_HIGH; case PORTSCX_PORT_SPEED_FULL: @@ -2480,8 +2480,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) #ifndef CONFIG_ARCH_MXC if (pdata->have_sysif_regs) - usb_sys_regs = (struct usb_sys_interface *) - ((u32)dr_regs + USB_DR_SYS_OFFSET); + usb_sys_regs = (void *)dr_regs + USB_DR_SYS_OFFSET; #endif /* Initialize USB clocks */ diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index a392ec0..6ccae27 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1730,8 +1730,9 @@ static void gadgetfs_disconnect (struct usb_gadget *gadget) { struct dev_data *dev = get_gadget_data (gadget); + unsigned long flags; - spin_lock (&dev->lock); + spin_lock_irqsave (&dev->lock, flags); if (dev->state == STATE_DEV_UNCONNECTED) goto exit; dev->state = STATE_DEV_UNCONNECTED; @@ -1740,7 +1741,7 @@ gadgetfs_disconnect (struct usb_gadget *gadget) next_event (dev, GADGETFS_DISCONNECT); ep0_readable (dev); exit: - spin_unlock (&dev->lock); + spin_unlock_irqrestore (&dev->lock, flags); } static void diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c index 550d6dc..5048a0c 100644 --- a/drivers/usb/gadget/pch_udc.c +++ b/drivers/usb/gadget/pch_udc.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. + * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -354,6 +354,7 @@ struct pch_udc_dev { #define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808 #define PCI_VENDOR_ID_ROHM 0x10DB #define PCI_DEVICE_ID_ML7213_IOH_UDC 0x801D +#define PCI_DEVICE_ID_ML7831_IOH_UDC 0x8808 static const char ep0_string[] = "ep0in"; static DEFINE_SPINLOCK(udc_stall_spinlock); /* stall spin lock */ @@ -2970,6 +2971,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = { .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, .class_mask = 0xffffffff, }, + { + PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC), + .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, + .class_mask = 0xffffffff, + }, { 0 }, }; @@ -2999,5 +3005,5 @@ static void __exit pch_udc_pci_exit(void) module_exit(pch_udc_pci_exit); MODULE_DESCRIPTION("Intel EG20T USB Device Controller"); -MODULE_AUTHOR("OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>"); +MODULE_AUTHOR("LAPIS Semiconductor, <tomoya-linux@dsn.lapis-semi.com>"); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index 68a826a..24f84b2 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -1718,6 +1718,8 @@ static void r8a66597_fifo_flush(struct usb_ep *_ep) if (list_empty(&ep->queue) && !ep->busy) { pipe_stop(ep->r8a66597, ep->pipenum); r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr); + r8a66597_write(ep->r8a66597, ACLRM, ep->pipectr); + r8a66597_write(ep->r8a66597, 0, ep->pipectr); } spin_unlock_irqrestore(&ep->r8a66597->lock, flags); } @@ -1742,7 +1744,6 @@ static int r8a66597_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget); - int retval; if (!driver || driver->speed != USB_SPEED_HIGH @@ -1752,16 +1753,7 @@ static int r8a66597_start(struct usb_gadget *gadget, return -ENODEV; /* hook up the driver */ - driver->driver.bus = NULL; r8a66597->driver = driver; - r8a66597->gadget.dev.driver = &driver->driver; - - retval = device_add(&r8a66597->gadget.dev); - if (retval) { - dev_err(r8a66597_to_dev(r8a66597), "device_add error (%d)\n", - retval); - goto error; - } init_controller(r8a66597); r8a66597_bset(r8a66597, VBSE, INTENB0); @@ -1775,12 +1767,6 @@ static int r8a66597_start(struct usb_gadget *gadget, } return 0; - -error: - r8a66597->driver = NULL; - r8a66597->gadget.dev.driver = NULL; - - return retval; } static int r8a66597_stop(struct usb_gadget *gadget, @@ -1794,7 +1780,6 @@ static int r8a66597_stop(struct usb_gadget *gadget, disable_controller(r8a66597); spin_unlock_irqrestore(&r8a66597->lock, flags); - device_del(&r8a66597->gadget.dev); r8a66597->driver = NULL; return 0; } @@ -1845,6 +1830,7 @@ static int __exit r8a66597_remove(struct platform_device *pdev) clk_put(r8a66597->clk); } #endif + device_unregister(&r8a66597->gadget.dev); kfree(r8a66597); return 0; } @@ -1924,13 +1910,17 @@ static int __init r8a66597_probe(struct platform_device *pdev) r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW; r8a66597->gadget.ops = &r8a66597_gadget_ops; - device_initialize(&r8a66597->gadget.dev); dev_set_name(&r8a66597->gadget.dev, "gadget"); r8a66597->gadget.is_dualspeed = 1; r8a66597->gadget.dev.parent = &pdev->dev; r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask; r8a66597->gadget.dev.release = pdev->dev.release; r8a66597->gadget.name = udc_name; + ret = device_register(&r8a66597->gadget.dev); + if (ret < 0) { + dev_err(&pdev->dev, "device_register failed\n"); + goto clean_up; + } init_timer(&r8a66597->timer); r8a66597->timer.function = r8a66597_timer; @@ -1945,7 +1935,7 @@ static int __init r8a66597_probe(struct platform_device *pdev) dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); ret = PTR_ERR(r8a66597->clk); - goto clean_up; + goto clean_up_dev; } clk_enable(r8a66597->clk); } @@ -2014,7 +2004,9 @@ clean_up2: clk_disable(r8a66597->clk); clk_put(r8a66597->clk); } +clean_up_dev: #endif + device_unregister(&r8a66597->gadget.dev); clean_up: if (r8a66597) { if (r8a66597->sudmac_reg) diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 022baec..6939e17 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -210,10 +210,10 @@ static void usb_gadget_remove_driver(struct usb_udc *udc) kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE); if (udc_is_newstyle(udc)) { - usb_gadget_disconnect(udc->gadget); + udc->driver->disconnect(udc->gadget); udc->driver->unbind(udc->gadget); usb_gadget_udc_stop(udc->gadget, udc->driver); - + usb_gadget_disconnect(udc->gadget); } else { usb_gadget_stop(udc->gadget, udc->driver); } @@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver); static ssize_t usb_udc_srp_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t n) { - struct usb_udc *udc = dev_get_drvdata(dev); + struct usb_udc *udc = container_of(dev, struct usb_udc, dev); if (sysfs_streq(buf, "1")) usb_gadget_wakeup(udc->gadget); @@ -378,7 +378,7 @@ static ssize_t usb_udc_speed_show(struct device *dev, return snprintf(buf, PAGE_SIZE, "%s\n", usb_speed_string(udc->gadget->speed)); } -static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL); +static DEVICE_ATTR(speed, S_IRUGO, usb_udc_speed_show, NULL); #define USB_UDC_ATTR(name) \ ssize_t usb_udc_##name##_show(struct device *dev, \ @@ -389,7 +389,7 @@ ssize_t usb_udc_##name##_show(struct device *dev, \ \ return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name); \ } \ -static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL) +static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL) static USB_UDC_ATTR(is_dualspeed); static USB_UDC_ATTR(is_otg); diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 2e829fa..56a3203 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1479,10 +1479,15 @@ iso_stream_schedule ( /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ - /* find a uframe slot with enough bandwidth */ - next = start + period; - for (; start < next; start++) { - + /* find a uframe slot with enough bandwidth. + * Early uframes are more precious because full-speed + * iso IN transfers can't use late uframes, + * and therefore they should be allocated last. + */ + next = start; + start += period; + do { + start--; /* check schedule: enough space? */ if (stream->highspeed) { if (itd_slot_ok(ehci, mod, start, @@ -1495,7 +1500,7 @@ iso_stream_schedule ( start, sched, period)) break; } - } + } while (start > next); /* no room in the schedule */ if (start == next) { diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c index fe74bd6..b4fb511 100644 --- a/drivers/usb/host/ehci-xls.c +++ b/drivers/usb/host/ehci-xls.c @@ -19,7 +19,7 @@ static int ehci_xls_setup(struct usb_hcd *hcd) ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index ba3a46b..95a9fec 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -223,6 +223,9 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int if (port < 0 || port >= 2) return; + if (pdata->vbus_pin[port] <= 0) + return; + gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable); } @@ -231,6 +234,9 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port) if (port < 0 || port >= 2) return -EINVAL; + if (pdata->vbus_pin[port] <= 0) + return -EINVAL; + return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted; } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 34efd47..b263919 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -389,17 +389,14 @@ ohci_shutdown (struct usb_hcd *hcd) struct ohci_hcd *ohci; ohci = hcd_to_ohci (hcd); - ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); - ohci->hc_control = ohci_readl(ohci, &ohci->regs->control); + ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable); - /* If the SHUTDOWN quirk is set, don't put the controller in RESET */ - ohci->hc_control &= (ohci->flags & OHCI_QUIRK_SHUTDOWN ? - OHCI_CTRL_RWC | OHCI_CTRL_HCFS : - OHCI_CTRL_RWC); - ohci_writel(ohci, ohci->hc_control, &ohci->regs->control); + /* Software reset, after which the controller goes into SUSPEND */ + ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus); + ohci_readl(ohci, &ohci->regs->cmdstatus); /* flush the writes */ + udelay(10); - /* flush the writes */ - (void) ohci_readl (ohci, &ohci->regs->control); + ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval); } static int check_ed(struct ohci_hcd *ohci, struct ed *ed) diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index ad8166c..bc01b06 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -175,28 +175,6 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd) return 0; } -/* nVidia controllers continue to drive Reset signalling on the bus - * even after system shutdown, wasting power. This flag tells the - * shutdown routine to leave the controller OPERATIONAL instead of RESET. - */ -static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd) -{ - struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - - /* Evidently nVidia fixed their later hardware; this is a guess at - * the changeover point. - */ -#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB 0x026d - - if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) { - ohci->flags |= OHCI_QUIRK_SHUTDOWN; - ohci_dbg(ohci, "enabled nVidia shutdown quirk\n"); - } - - return 0; -} - static void sb800_prefetch(struct ohci_hcd *ohci, int on) { struct pci_dev *pdev; @@ -260,10 +238,6 @@ static const struct pci_device_id ohci_pci_quirks[] = { PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399), .driver_data = (unsigned long)ohci_quirk_amd700, }, - { - PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), - .driver_data = (unsigned long) ohci_quirk_nvidia_shutdown, - }, /* FIXME for some of the early AMD 760 southbridges, OHCI * won't work at all. blacklist them. diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 35e5fd6..0795b93 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -403,7 +403,6 @@ struct ohci_hcd { #define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */ #define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/ #define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */ -#define OHCI_QUIRK_SHUTDOWN 0x800 /* nVidia power bug */ // there are also chip quirks/bugs in init logic struct work_struct nec_work; /* Worker for NEC quirk */ diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 27a3dec..caf8742 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -37,6 +37,7 @@ #define OHCI_INTRENABLE 0x10 #define OHCI_INTRDISABLE 0x14 #define OHCI_FMINTERVAL 0x34 +#define OHCI_HCFS (3 << 6) /* hc functional state */ #define OHCI_HCR (1 << 0) /* host controller reset */ #define OHCI_OCR (1 << 3) /* ownership change request */ #define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ @@ -466,6 +467,8 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) { void __iomem *base; u32 control; + u32 fminterval; + int cnt; if (!mmio_resource_enabled(pdev, 0)) return; @@ -498,41 +501,32 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) } #endif - /* reset controller, preserving RWC (and possibly IR) */ - writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL); - readl(base + OHCI_CONTROL); + /* disable interrupts */ + writel((u32) ~0, base + OHCI_INTRDISABLE); - /* Some NVIDIA controllers stop working if kept in RESET for too long */ - if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) { - u32 fminterval; - int cnt; + /* Reset the USB bus, if the controller isn't already in RESET */ + if (control & OHCI_HCFS) { + /* Go into RESET, preserving RWC (and possibly IR) */ + writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL); + readl(base + OHCI_CONTROL); - /* drive reset for at least 50 ms (7.1.7.5) */ + /* drive bus reset for at least 50 ms (7.1.7.5) */ msleep(50); + } - /* software reset of the controller, preserving HcFmInterval */ - fminterval = readl(base + OHCI_FMINTERVAL); - writel(OHCI_HCR, base + OHCI_CMDSTATUS); + /* software reset of the controller, preserving HcFmInterval */ + fminterval = readl(base + OHCI_FMINTERVAL); + writel(OHCI_HCR, base + OHCI_CMDSTATUS); - /* reset requires max 10 us delay */ - for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */ - if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0) - break; - udelay(1); - } - writel(fminterval, base + OHCI_FMINTERVAL); - - /* Now we're in the SUSPEND state with all devices reset - * and wakeups and interrupts disabled - */ + /* reset requires max 10 us delay */ + for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */ + if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0) + break; + udelay(1); } + writel(fminterval, base + OHCI_FMINTERVAL); - /* - * disable interrupts - */ - writel(~(u32)0, base + OHCI_INTRDISABLE); - writel(~(u32)0, base + OHCI_INTRSTATUS); - + /* Now the controller is safely in SUSPEND and nothing can wake it up */ iounmap(base); } @@ -627,7 +621,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) void __iomem *base, *op_reg_base; u32 hcc_params, cap, val; u8 offset, cap_length; - int wait_time, delta, count = 256/4; + int wait_time, count = 256/4; if (!mmio_resource_enabled(pdev, 0)) return; @@ -673,11 +667,10 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) writel(val, op_reg_base + EHCI_USBCMD); wait_time = 2000; - delta = 100; do { writel(0x3f, op_reg_base + EHCI_USBSTS); - udelay(delta); - wait_time -= delta; + udelay(100); + wait_time -= 100; val = readl(op_reg_base + EHCI_USBSTS); if ((val == ~(u32)0) || (val & EHCI_USBSTS_HALTED)) { break; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 42a22b8..0e4b25f 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -982,7 +982,6 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud struct xhci_virt_device *dev; struct xhci_ep_ctx *ep0_ctx; struct xhci_slot_ctx *slot_ctx; - struct xhci_input_control_ctx *ctrl_ctx; u32 port_num; struct usb_device *top_dev; @@ -994,12 +993,8 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud return -EINVAL; } ep0_ctx = xhci_get_ep_ctx(xhci, dev->in_ctx, 0); - ctrl_ctx = xhci_get_input_control_ctx(xhci, dev->in_ctx); slot_ctx = xhci_get_slot_ctx(xhci, dev->in_ctx); - /* 2) New slot context and endpoint 0 context are valid*/ - ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG); - /* 3) Only the control endpoint is valid - one endpoint context */ slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(1) | udev->route); switch (udev->speed) { diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 940321b..9f1d4b1 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -816,23 +816,24 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) struct xhci_ring *ring; struct xhci_td *cur_td; int ret, i, j; + unsigned long flags; ep = (struct xhci_virt_ep *) arg; xhci = ep->xhci; - spin_lock(&xhci->lock); + spin_lock_irqsave(&xhci->lock, flags); ep->stop_cmds_pending--; if (xhci->xhc_state & XHCI_STATE_DYING) { xhci_dbg(xhci, "Stop EP timer ran, but another timer marked " "xHCI as DYING, exiting.\n"); - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); return; } if (!(ep->stop_cmds_pending == 0 && (ep->ep_state & EP_HALT_PENDING))) { xhci_dbg(xhci, "Stop EP timer ran, but no command pending, " "exiting.\n"); - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); return; } @@ -844,11 +845,11 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) xhci->xhc_state |= XHCI_STATE_DYING; /* Disable interrupts from the host controller and start halting it */ xhci_quiesce(xhci); - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); ret = xhci_halt(xhci); - spin_lock(&xhci->lock); + spin_lock_irqsave(&xhci->lock, flags); if (ret < 0) { /* This is bad; the host is not responding to commands and it's * not allowing itself to be halted. At least interrupts are @@ -896,7 +897,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) } } } - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg(xhci, "Calling usb_hc_died()\n"); usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); xhci_dbg(xhci, "xHCI host controller is dead.\n"); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 1ff95a0..aa94c01 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -799,7 +799,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) u32 command, temp = 0; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct usb_hcd *secondary_hcd; - int retval; + int retval = 0; /* Wait a bit if either of the roothubs need to settle from the * transition into bus suspend. @@ -809,6 +809,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) xhci->bus_state[1].next_statechange)) msleep(100); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); + spin_lock_irq(&xhci->lock); if (xhci->quirks & XHCI_RESET_ON_RESUME) hibernated = true; @@ -878,20 +881,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) return retval; xhci_dbg(xhci, "Start the primary HCD\n"); retval = xhci_run(hcd->primary_hcd); - if (retval) - goto failed_restart; - - xhci_dbg(xhci, "Start the secondary HCD\n"); - retval = xhci_run(secondary_hcd); if (!retval) { - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - set_bit(HCD_FLAG_HW_ACCESSIBLE, - &xhci->shared_hcd->flags); + xhci_dbg(xhci, "Start the secondary HCD\n"); + retval = xhci_run(secondary_hcd); } -failed_restart: hcd->state = HC_STATE_SUSPENDED; xhci->shared_hcd->state = HC_STATE_SUSPENDED; - return retval; + goto done; } /* step 4: set Run/Stop bit */ @@ -910,11 +906,14 @@ failed_restart: * Running endpoints by ringing their doorbells */ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); - spin_unlock_irq(&xhci->lock); - return 0; + + done: + if (retval == 0) { + usb_hcd_resume_root_hub(hcd); + usb_hcd_resume_root_hub(xhci->shared_hcd); + } + return retval; } #endif /* CONFIG_PM */ @@ -3504,6 +3503,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) /* Otherwise, update the control endpoint ring enqueue pointer. */ else xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev); + ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx); + ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG); + ctrl_ctx->drop_flags = 0; + xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id); xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2); @@ -3585,7 +3588,6 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK) + 1; /* Zero the input context control for later use */ - ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx); ctrl_ctx->add_flags = 0; ctrl_ctx->drop_flags = 0; diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index fc34b8b..07a0346 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -11,6 +11,7 @@ config USB_MUSB_HDRC select TWL4030_USB if MACH_OMAP_3430SDP select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA select USB_OTG_UTILS + select USB_GADGET_DUALSPEED tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' help Say Y here if your system has a dual role high speed USB @@ -60,7 +61,7 @@ config USB_MUSB_BLACKFIN config USB_MUSB_UX500 tristate "U8500 and U5500" - depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500) + depends on (ARCH_U8500 && AB8500_USB) endchoice diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index 08f1d0b6..e233d2b 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -27,6 +27,7 @@ */ #include <linux/init.h> +#include <linux/module.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/platform_device.h> diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 4da7492..2613bfd 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -27,6 +27,7 @@ */ #include <linux/init.h> +#include <linux/module.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/platform_device.h> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 20a2873..c1fa12e 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1477,8 +1477,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) /*-------------------------------------------------------------------------*/ #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430) || \ - defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) || \ - defined(CONFIG_ARCH_U5500) + defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) static irqreturn_t generic_interrupt(int irq, void *__hci) { diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index ae4a20a..d51043a 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1999,10 +1999,6 @@ static void stop_activity(struct musb *musb, struct usb_gadget_driver *driver) nuke(&hw_ep->ep_out, -ESHUTDOWN); } } - - spin_unlock(&musb->lock); - driver->disconnect(&musb->g); - spin_lock(&musb->lock); } } diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index d2e2efa..08c679c 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -405,7 +405,7 @@ int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) /* * platform functions */ -static int __devinit usbhs_probe(struct platform_device *pdev) +static int usbhs_probe(struct platform_device *pdev) { struct renesas_usbhs_platform_info *info = pdev->dev.platform_data; struct renesas_usbhs_driver_callback *dfunc; diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 8da685e..ffdf5d1 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -820,7 +820,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) if (len % 4) /* 32bit alignment */ goto usbhsf_pio_prepare_push; - if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ + if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_push; /* get enable DMA fifo */ @@ -897,7 +897,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done) if (!fifo) goto usbhsf_pio_prepare_pop; - if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ + if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_pop; ret = usbhsf_fifo_select(pipe, fifo, 0); diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h index 8ae3733..6c68755 100644 --- a/drivers/usb/renesas_usbhs/mod.h +++ b/drivers/usb/renesas_usbhs/mod.h @@ -143,8 +143,8 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod); */ #if defined(CONFIG_USB_RENESAS_USBHS_HCD) || \ defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE) -extern int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv); -extern int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv); +extern int usbhs_mod_host_probe(struct usbhs_priv *priv); +extern int usbhs_mod_host_remove(struct usbhs_priv *priv); #else static inline int usbhs_mod_host_probe(struct usbhs_priv *priv) { @@ -157,8 +157,8 @@ static inline void usbhs_mod_host_remove(struct usbhs_priv *priv) #if defined(CONFIG_USB_RENESAS_USBHS_UDC) || \ defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE) -extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv); -extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv); +extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv); +extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv); #else static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 4cc7ee0..d9717e0 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -830,7 +830,7 @@ static int usbhsg_stop(struct usbhs_priv *priv) return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED); } -int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv) +int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { struct usbhsg_gpriv *gpriv; struct usbhsg_uep *uep; @@ -927,7 +927,7 @@ usbhs_mod_gadget_probe_err_gpriv: return ret; } -void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv) +void usbhs_mod_gadget_remove(struct usbhs_priv *priv) { struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv); diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index 1a7208a..bade761 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -103,7 +103,7 @@ struct usbhsh_hpriv { u32 port_stat; /* USB_PORT_STAT_xxx */ - struct completion *done; + struct completion setup_ack_done; /* see usbhsh_req_alloc/free */ struct list_head ureq_link_active; @@ -355,6 +355,7 @@ static void usbhsh_device_free(struct usbhsh_hpriv *hpriv, struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, struct usbhsh_device *udev, struct usb_host_endpoint *ep, + int dir_in_req, gfp_t mem_flags) { struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); @@ -364,27 +365,38 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, struct usbhs_pipe *pipe, *best_pipe; struct device *dev = usbhsh_hcd_to_dev(hcd); struct usb_endpoint_descriptor *desc = &ep->desc; - int type, i; + int type, i, dir_in; unsigned int min_usr; + dir_in_req = !!dir_in_req; + uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags); if (!uep) { dev_err(dev, "usbhsh_ep alloc fail\n"); return NULL; } - type = usb_endpoint_type(desc); + + if (usb_endpoint_xfer_control(desc)) { + best_pipe = usbhsh_hpriv_to_dcp(hpriv); + goto usbhsh_endpoint_alloc_find_pipe; + } /* * find best pipe for endpoint * see * HARDWARE LIMITATION */ + type = usb_endpoint_type(desc); min_usr = ~0; best_pipe = NULL; - usbhs_for_each_pipe_with_dcp(pipe, priv, i) { + usbhs_for_each_pipe(pipe, priv, i) { if (!usbhs_pipe_type_is(pipe, type)) continue; + dir_in = !!usbhs_pipe_is_dir_in(pipe); + if (0 != (dir_in - dir_in_req)) + continue; + info = usbhsh_pipe_info(pipe); if (min_usr > info->usr_cnt) { @@ -398,7 +410,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, kfree(uep); return NULL; } - +usbhsh_endpoint_alloc_find_pipe: /* * init uep */ @@ -423,6 +435,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, * see * DCPMAXP/PIPEMAXP */ + usbhs_pipe_sequence_data0(uep->pipe); usbhs_pipe_config_update(uep->pipe, usbhsh_device_number(hpriv, udev), usb_endpoint_num(desc), @@ -430,7 +443,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, dev_dbg(dev, "%s [%d-%s](%p)\n", __func__, usbhsh_device_number(hpriv, udev), - usbhs_pipe_name(pipe), uep); + usbhs_pipe_name(uep->pipe), uep); return uep; } @@ -549,8 +562,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, * usbhsh_irq_setup_ack() * usbhsh_irq_setup_err() */ - DECLARE_COMPLETION(done); - hpriv->done = &done; + init_completion(&hpriv->setup_ack_done); /* copy original request */ memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest)); @@ -572,8 +584,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, /* * wait setup packet ACK */ - wait_for_completion(&done); - hpriv->done = NULL; + wait_for_completion(&hpriv->setup_ack_done); dev_dbg(dev, "%s done\n", __func__); } @@ -724,11 +735,11 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, struct usbhsh_device *udev, *new_udev = NULL; struct usbhs_pipe *pipe; struct usbhsh_ep *uep; + int is_dir_in = usb_pipein(urb->pipe); int ret; - dev_dbg(dev, "%s (%s)\n", - __func__, usb_pipein(urb->pipe) ? "in" : "out"); + dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out"); ret = usb_hcd_link_urb_to_ep(hcd, urb); if (ret) @@ -751,7 +762,8 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, */ uep = usbhsh_ep_to_uep(ep); if (!uep) { - uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags); + uep = usbhsh_endpoint_alloc(hpriv, udev, ep, + is_dir_in, mem_flags); if (!uep) goto usbhsh_urb_enqueue_error_free_device; } @@ -1095,10 +1107,7 @@ static int usbhsh_irq_setup_ack(struct usbhs_priv *priv, dev_dbg(dev, "setup packet OK\n"); - if (unlikely(!hpriv->done)) - dev_err(dev, "setup ack happen without necessary data\n"); - else - complete(hpriv->done); /* see usbhsh_urb_enqueue() */ + complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */ return 0; } @@ -1111,10 +1120,7 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv, dev_dbg(dev, "setup packet Err\n"); - if (unlikely(!hpriv->done)) - dev_err(dev, "setup err happen without necessary data\n"); - else - complete(hpriv->done); /* see usbhsh_urb_enqueue() */ + complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */ return 0; } @@ -1221,8 +1227,18 @@ static int usbhsh_stop(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); + struct usbhs_mod *mod = usbhs_mod_get_current(priv); struct device *dev = usbhs_priv_to_dev(priv); + /* + * disable irq callback + */ + mod->irq_attch = NULL; + mod->irq_dtch = NULL; + mod->irq_sack = NULL; + mod->irq_sign = NULL; + usbhs_irq_callback_update(priv, mod); + usb_remove_hcd(hcd); /* disable sys */ @@ -1235,7 +1251,7 @@ static int usbhsh_stop(struct usbhs_priv *priv) return 0; } -int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) +int usbhs_mod_host_probe(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv; struct usb_hcd *hcd; @@ -1279,7 +1295,6 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) hpriv->mod.stop = usbhsh_stop; hpriv->pipe_info = pipe_info; hpriv->pipe_size = pipe_size; - hpriv->done = NULL; usbhsh_req_list_init(hpriv); usbhsh_port_stat_init(hpriv); @@ -1299,7 +1314,7 @@ usbhs_mod_host_probe_err: return -ENOMEM; } -int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv) +int usbhs_mod_host_remove(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 5cdb9d9..18e875b 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -42,7 +42,7 @@ static int debug; * Version information */ -#define DRIVER_VERSION "v0.6" +#define DRIVER_VERSION "v0.7" #define DRIVER_AUTHOR "Bart Hartgers <bart.hartgers+ark3116@gmail.com>" #define DRIVER_DESC "USB ARK3116 serial/IrDA driver" #define DRIVER_DEV_DESC "ARK3116 RS232/IrDA" @@ -380,10 +380,6 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port) goto err_out; } - /* setup termios */ - if (tty) - ark3116_set_termios(tty, port, NULL); - /* remove any data still left: also clears error state */ ark3116_read_reg(serial, UART_RX, buf); @@ -406,6 +402,10 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port) /* enable DMA */ ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT); + /* setup termios */ + if (tty) + ark3116_set_termios(tty, port, NULL); + err_out: kfree(buf); return result; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8fe034d..bd4298b 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -2104,13 +2104,19 @@ static void ftdi_set_termios(struct tty_struct *tty, cflag = termios->c_cflag; - /* FIXME -For this cut I don't care if the line is really changing or - not - so just do the change regardless - should be able to - compare old_termios and tty->termios */ + if (old_termios->c_cflag == termios->c_cflag + && old_termios->c_ispeed == termios->c_ispeed + && old_termios->c_ospeed == termios->c_ospeed) + goto no_c_cflag_changes; + /* NOTE These routines can get interrupted by ftdi_sio_read_bulk_callback - need to examine what this means - don't see any problems yet */ + if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) == + (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB))) + goto no_data_parity_stop_changes; + /* Set number of data bits, parity, stop bits */ urb_value = 0; @@ -2151,6 +2157,7 @@ static void ftdi_set_termios(struct tty_struct *tty, } /* Now do the baudrate */ +no_data_parity_stop_changes: if ((cflag & CBAUD) == B0) { /* Disable flow control */ if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), @@ -2178,6 +2185,7 @@ static void ftdi_set_termios(struct tty_struct *tty, /* Set flow control */ /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ +no_c_cflag_changes: if (cflag & CRTSCTS) { dbg("%s Setting to CRTSCTS flow control", __func__); if (usb_control_msg(dev, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 89ae1f6..d865878 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -156,6 +156,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_PRODUCT_K4511 0x14CC #define HUAWEI_PRODUCT_ETS1220 0x1803 #define HUAWEI_PRODUCT_E353 0x1506 +#define HUAWEI_PRODUCT_E173S 0x1C05 #define QUANTA_VENDOR_ID 0x0408 #define QUANTA_PRODUCT_Q101 0xEA02 @@ -316,6 +317,9 @@ static void option_instat_callback(struct urb *urb); #define ZTE_PRODUCT_AC8710 0xfff1 #define ZTE_PRODUCT_AC2726 0xfff5 #define ZTE_PRODUCT_AC8710T 0xffff +#define ZTE_PRODUCT_MC2718 0xffe8 +#define ZTE_PRODUCT_AD3812 0xffeb +#define ZTE_PRODUCT_MC2716 0xffed #define BENQ_VENDOR_ID 0x04a5 #define BENQ_PRODUCT_H10 0x4068 @@ -468,6 +472,10 @@ static void option_instat_callback(struct urb *urb); #define YUGA_PRODUCT_CLU528 0x260D #define YUGA_PRODUCT_CLU526 0x260F +/* Viettel products */ +#define VIETTEL_VENDOR_ID 0x2262 +#define VIETTEL_PRODUCT_VT1000 0x0002 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -500,6 +508,18 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = { .reserved = BIT(4), }; +static const struct option_blacklist_info zte_ad3812_z_blacklist = { + .sendsetup = BIT(0) | BIT(1) | BIT(2), +}; + +static const struct option_blacklist_info zte_mc2718_z_blacklist = { + .sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4), +}; + +static const struct option_blacklist_info zte_mc2716_z_blacklist = { + .sendsetup = BIT(1) | BIT(2) | BIT(3), +}; + static const struct option_blacklist_info huawei_cdc12_blacklist = { .reserved = BIT(1) | BIT(2), }; @@ -622,6 +642,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff), @@ -1043,6 +1064,12 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist }, { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */ @@ -1141,6 +1168,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) }, { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) }, { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) }, + { USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 9083d1e..fc2d66f 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -91,7 +91,6 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, - { USB_DEVICE(WINCHIPHEAD_VENDOR_ID, WINCHIPHEAD_USBSER_PRODUCT_ID) }, { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 3d10d7f..c38b8c0 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -145,10 +145,6 @@ #define ADLINK_VENDOR_ID 0x0b63 #define ADLINK_ND6530_PRODUCT_ID 0x6530 -/* WinChipHead USB->RS 232 adapter */ -#define WINCHIPHEAD_VENDOR_ID 0x4348 -#define WINCHIPHEAD_USBSER_PRODUCT_ID 0x5523 - /* SMART USB Serial Adapter */ #define SMART_VENDOR_ID 0x0b8c #define SMART_PRODUCT_ID 0x2303 diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index 4dca3ef..9fbe742 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -1762,10 +1762,9 @@ static int ms_scsi_write(struct us_data *us, struct scsi_cmnd *srb) result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1); } else { void *buf; - int offset; + int offset = 0; u16 PhyBlockAddr; u8 PageNum; - u32 result; u16 len, oldphy, newphy; buf = kmalloc(blenByte, GFP_KERNEL); diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index 93c1a4d..82dd834 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -59,7 +59,9 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us) { - /* Pad the SCSI command with zeros out to 12 bytes + /* + * Pad the SCSI command with zeros out to 12 bytes. If the + * command already is 12 bytes or longer, leave it alone. * * NOTE: This only works because a scsi_cmnd struct field contains * a unsigned char cmnd[16], so we know we have storage available @@ -67,9 +69,6 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us) for (; srb->cmd_len<12; srb->cmd_len++) srb->cmnd[srb->cmd_len] = 0; - /* set command length to 12 bytes */ - srb->cmd_len = 12; - /* send the command to the transport layer */ usb_stor_invoke_transport(srb, us); } diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index 816ed08..1a61939 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -37,7 +37,7 @@ config VIRTIO_BALLOON config VIRTIO_MMIO tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)" - depends on EXPERIMENTAL + depends on HAS_IOMEM && EXPERIMENTAL select VIRTIO select VIRTIO_RING ---help--- diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index acc5e43..7317dc2e 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -118,7 +118,7 @@ static void vm_finalize_features(struct virtio_device *vdev) vring_transport_features(vdev); for (i = 0; i < ARRAY_SIZE(vdev->features); i++) { - writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SET); + writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL); writel(vdev->features[i], vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES); } diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 3d1bf41..03d1984 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -169,11 +169,29 @@ static void vp_set_status(struct virtio_device *vdev, u8 status) iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS); } +/* wait for pending irq handlers */ +static void vp_synchronize_vectors(struct virtio_device *vdev) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + int i; + + if (vp_dev->intx_enabled) + synchronize_irq(vp_dev->pci_dev->irq); + + for (i = 0; i < vp_dev->msix_vectors; ++i) + synchronize_irq(vp_dev->msix_entries[i].vector); +} + static void vp_reset(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); /* 0 status means a reset. */ iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS); + /* Flush out the status write, and flush in device writes, + * including MSi-X interrupts, if any. */ + ioread8(vp_dev->ioaddr + VIRTIO_PCI_STATUS); + /* Flush pending VQ/configuration callbacks. */ + vp_synchronize_vectors(vdev); } /* the notify function used when creating a virt queue */ diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 6285867..79fd606 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -314,13 +314,6 @@ config NUC900_WATCHDOG To compile this driver as a module, choose M here: the module will be called nuc900_wdt. -config ADX_WATCHDOG - tristate "Avionic Design Xanthos watchdog" - depends on ARCH_PXA_ADX - help - Say Y here if you want support for the watchdog timer on Avionic - Design Xanthos boards. - config TS72XX_WATCHDOG tristate "TS-72XX SBC Watchdog" depends on MACH_TS72XX diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 55bd574..fe893e9 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -51,7 +51,6 @@ obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o -obj-$(CONFIG_ADX_WATCHDOG) += adx_wdt.o obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c deleted file mode 100644 index af6e6b1..0000000 --- a/drivers/watchdog/adx_wdt.c +++ /dev/null @@ -1,355 +0,0 @@ -/* - * Copyright (C) 2008-2009 Avionic Design GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/fs.h> -#include <linux/gfp.h> -#include <linux/io.h> -#include <linux/miscdevice.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/types.h> -#include <linux/uaccess.h> -#include <linux/watchdog.h> - -#define WATCHDOG_NAME "adx-wdt" - -/* register offsets */ -#define ADX_WDT_CONTROL 0x00 -#define ADX_WDT_CONTROL_ENABLE (1 << 0) -#define ADX_WDT_CONTROL_nRESET (1 << 1) -#define ADX_WDT_TIMEOUT 0x08 - -static struct platform_device *adx_wdt_dev; -static unsigned long driver_open; - -#define WDT_STATE_STOP 0 -#define WDT_STATE_START 1 - -struct adx_wdt { - void __iomem *base; - unsigned long timeout; - unsigned int state; - unsigned int wake; - spinlock_t lock; -}; - -static const struct watchdog_info adx_wdt_info = { - .identity = "Avionic Design Xanthos Watchdog", - .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, -}; - -static void adx_wdt_start_locked(struct adx_wdt *wdt) -{ - u32 ctrl; - - ctrl = readl(wdt->base + ADX_WDT_CONTROL); - ctrl |= ADX_WDT_CONTROL_ENABLE; - writel(ctrl, wdt->base + ADX_WDT_CONTROL); - wdt->state = WDT_STATE_START; -} - -static void adx_wdt_start(struct adx_wdt *wdt) -{ - unsigned long flags; - - spin_lock_irqsave(&wdt->lock, flags); - adx_wdt_start_locked(wdt); - spin_unlock_irqrestore(&wdt->lock, flags); -} - -static void adx_wdt_stop_locked(struct adx_wdt *wdt) -{ - u32 ctrl; - - ctrl = readl(wdt->base + ADX_WDT_CONTROL); - ctrl &= ~ADX_WDT_CONTROL_ENABLE; - writel(ctrl, wdt->base + ADX_WDT_CONTROL); - wdt->state = WDT_STATE_STOP; -} - -static void adx_wdt_stop(struct adx_wdt *wdt) -{ - unsigned long flags; - - spin_lock_irqsave(&wdt->lock, flags); - adx_wdt_stop_locked(wdt); - spin_unlock_irqrestore(&wdt->lock, flags); -} - -static void adx_wdt_set_timeout(struct adx_wdt *wdt, unsigned long seconds) -{ - unsigned long timeout = seconds * 1000; - unsigned long flags; - unsigned int state; - - spin_lock_irqsave(&wdt->lock, flags); - state = wdt->state; - adx_wdt_stop_locked(wdt); - writel(timeout, wdt->base + ADX_WDT_TIMEOUT); - - if (state == WDT_STATE_START) - adx_wdt_start_locked(wdt); - - wdt->timeout = timeout; - spin_unlock_irqrestore(&wdt->lock, flags); -} - -static void adx_wdt_get_timeout(struct adx_wdt *wdt, unsigned long *seconds) -{ - *seconds = wdt->timeout / 1000; -} - -static void adx_wdt_keepalive(struct adx_wdt *wdt) -{ - unsigned long flags; - - spin_lock_irqsave(&wdt->lock, flags); - writel(wdt->timeout, wdt->base + ADX_WDT_TIMEOUT); - spin_unlock_irqrestore(&wdt->lock, flags); -} - -static int adx_wdt_open(struct inode *inode, struct file *file) -{ - struct adx_wdt *wdt = platform_get_drvdata(adx_wdt_dev); - - if (test_and_set_bit(0, &driver_open)) - return -EBUSY; - - file->private_data = wdt; - adx_wdt_set_timeout(wdt, 30); - adx_wdt_start(wdt); - - return nonseekable_open(inode, file); -} - -static int adx_wdt_release(struct inode *inode, struct file *file) -{ - struct adx_wdt *wdt = file->private_data; - - adx_wdt_stop(wdt); - clear_bit(0, &driver_open); - - return 0; -} - -static long adx_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct adx_wdt *wdt = file->private_data; - void __user *argp = (void __user *)arg; - unsigned long __user *p = argp; - unsigned long seconds = 0; - unsigned int options; - long ret = -EINVAL; - - switch (cmd) { - case WDIOC_GETSUPPORT: - if (copy_to_user(argp, &adx_wdt_info, sizeof(adx_wdt_info))) - return -EFAULT; - else - return 0; - - case WDIOC_GETSTATUS: - case WDIOC_GETBOOTSTATUS: - return put_user(0, p); - - case WDIOC_KEEPALIVE: - adx_wdt_keepalive(wdt); - return 0; - - case WDIOC_SETTIMEOUT: - if (get_user(seconds, p)) - return -EFAULT; - - adx_wdt_set_timeout(wdt, seconds); - - /* fallthrough */ - case WDIOC_GETTIMEOUT: - adx_wdt_get_timeout(wdt, &seconds); - return put_user(seconds, p); - - case WDIOC_SETOPTIONS: - if (copy_from_user(&options, argp, sizeof(options))) - return -EFAULT; - - if (options & WDIOS_DISABLECARD) { - adx_wdt_stop(wdt); - ret = 0; - } - - if (options & WDIOS_ENABLECARD) { - adx_wdt_start(wdt); - ret = 0; - } - - return ret; - - default: - break; - } - - return -ENOTTY; -} - -static ssize_t adx_wdt_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) -{ - struct adx_wdt *wdt = file->private_data; - - if (len) - adx_wdt_keepalive(wdt); - - return len; -} - -static const struct file_operations adx_wdt_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .open = adx_wdt_open, - .release = adx_wdt_release, - .unlocked_ioctl = adx_wdt_ioctl, - .write = adx_wdt_write, -}; - -static struct miscdevice adx_wdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &adx_wdt_fops, -}; - -static int __devinit adx_wdt_probe(struct platform_device *pdev) -{ - struct resource *res; - struct adx_wdt *wdt; - int ret = 0; - u32 ctrl; - - wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL); - if (!wdt) { - dev_err(&pdev->dev, "cannot allocate WDT structure\n"); - return -ENOMEM; - } - - spin_lock_init(&wdt->lock); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "cannot obtain I/O memory region\n"); - return -ENXIO; - } - - res = devm_request_mem_region(&pdev->dev, res->start, - resource_size(res), res->name); - if (!res) { - dev_err(&pdev->dev, "cannot request I/O memory region\n"); - return -ENXIO; - } - - wdt->base = devm_ioremap_nocache(&pdev->dev, res->start, - resource_size(res)); - if (!wdt->base) { - dev_err(&pdev->dev, "cannot remap I/O memory region\n"); - return -ENXIO; - } - - /* disable watchdog and reboot on timeout */ - ctrl = readl(wdt->base + ADX_WDT_CONTROL); - ctrl &= ~ADX_WDT_CONTROL_ENABLE; - ctrl &= ~ADX_WDT_CONTROL_nRESET; - writel(ctrl, wdt->base + ADX_WDT_CONTROL); - - platform_set_drvdata(pdev, wdt); - adx_wdt_dev = pdev; - - ret = misc_register(&adx_wdt_miscdev); - if (ret) { - dev_err(&pdev->dev, "cannot register miscdev on minor %d " - "(err=%d)\n", WATCHDOG_MINOR, ret); - return ret; - } - - return 0; -} - -static int __devexit adx_wdt_remove(struct platform_device *pdev) -{ - struct adx_wdt *wdt = platform_get_drvdata(pdev); - - misc_deregister(&adx_wdt_miscdev); - adx_wdt_stop(wdt); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static void adx_wdt_shutdown(struct platform_device *pdev) -{ - struct adx_wdt *wdt = platform_get_drvdata(pdev); - adx_wdt_stop(wdt); -} - -#ifdef CONFIG_PM -static int adx_wdt_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct adx_wdt *wdt = platform_get_drvdata(pdev); - - wdt->wake = (wdt->state == WDT_STATE_START) ? 1 : 0; - adx_wdt_stop(wdt); - - return 0; -} - -static int adx_wdt_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct adx_wdt *wdt = platform_get_drvdata(pdev); - - if (wdt->wake) - adx_wdt_start(wdt); - - return 0; -} - -static const struct dev_pm_ops adx_wdt_pm_ops = { - .suspend = adx_wdt_suspend, - .resume = adx_wdt_resume, -}; - -# define ADX_WDT_PM_OPS (&adx_wdt_pm_ops) -#else -# define ADX_WDT_PM_OPS NULL -#endif - -static struct platform_driver adx_wdt_driver = { - .probe = adx_wdt_probe, - .remove = __devexit_p(adx_wdt_remove), - .shutdown = adx_wdt_shutdown, - .driver = { - .name = WATCHDOG_NAME, - .owner = THIS_MODULE, - .pm = ADX_WDT_PM_OPS, - }, -}; - -static int __init adx_wdt_init(void) -{ - return platform_driver_register(&adx_wdt_driver); -} - -static void __exit adx_wdt_exit(void) -{ - platform_driver_unregister(&adx_wdt_driver); -} - -module_init(adx_wdt_init); -module_exit(adx_wdt_exit); - -MODULE_DESCRIPTION("Avionic Design Xanthos Watchdog Driver"); -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 5de7e4f..a79e384 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -401,8 +401,8 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) dev_info(dev, "watchdog %sactive, reset %sabled, irq %sabled\n", (wtcon & S3C2410_WTCON_ENABLE) ? "" : "in", - (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis", - (wtcon & S3C2410_WTCON_INTEN) ? "" : "en"); + (wtcon & S3C2410_WTCON_RSTEN) ? "en" : "dis", + (wtcon & S3C2410_WTCON_INTEN) ? "en" : "dis"); return 0; diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c index 7be3855..e789a47 100644 --- a/drivers/watchdog/wm831x_wdt.c +++ b/drivers/watchdog/wm831x_wdt.c @@ -150,7 +150,7 @@ static int wm831x_wdt_set_timeout(struct watchdog_device *wdt_dev, if (wm831x_wdt_cfgs[i].time == timeout) break; if (i == ARRAY_SIZE(wm831x_wdt_cfgs)) - ret = -EINVAL; + return -EINVAL; ret = wm831x_reg_unlock(wm831x); if (ret == 0) { diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index a767884..31ab82f 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -501,7 +501,7 @@ EXPORT_SYMBOL_GPL(balloon_set_new_target); * alloc_xenballooned_pages - get pages that have been ballooned out * @nr_pages: Number of pages to get * @pages: pages returned - * @highmem: highmem or lowmem pages + * @highmem: allow highmem pages * @return 0 on success, error otherwise */ int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) @@ -511,7 +511,7 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) mutex_lock(&balloon_mutex); while (pgno < nr_pages) { page = balloon_retrieve(highmem); - if (page && PageHighMem(page) == highmem) { + if (page && (highmem || !PageHighMem(page))) { pages[pgno++] = page; } else { enum bp_state st; diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index f6832f4..e1c4c6e 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, /* Grant foreign access to the page. */ gref->gref_id = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), readonly); - if (gref->gref_id < 0) { + if ((int)gref->gref_id < 0) { rc = gref->gref_id; goto undo; } @@ -280,7 +280,7 @@ static long gntalloc_ioctl_alloc(struct gntalloc_file_private_data *priv, goto out; } - gref_ids = kzalloc(sizeof(gref_ids[0]) * op.count, GFP_TEMPORARY); + gref_ids = kcalloc(op.count, sizeof(gref_ids[0]), GFP_TEMPORARY); if (!gref_ids) { rc = -ENOMEM; goto out; diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 3987132..afca14d 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -114,11 +114,11 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) if (NULL == add) return NULL; - add->grants = kzalloc(sizeof(add->grants[0]) * count, GFP_KERNEL); - add->map_ops = kzalloc(sizeof(add->map_ops[0]) * count, GFP_KERNEL); - add->unmap_ops = kzalloc(sizeof(add->unmap_ops[0]) * count, GFP_KERNEL); - add->kmap_ops = kzalloc(sizeof(add->kmap_ops[0]) * count, GFP_KERNEL); - add->pages = kzalloc(sizeof(add->pages[0]) * count, GFP_KERNEL); + add->grants = kcalloc(count, sizeof(add->grants[0]), GFP_KERNEL); + add->map_ops = kcalloc(count, sizeof(add->map_ops[0]), GFP_KERNEL); + add->unmap_ops = kcalloc(count, sizeof(add->unmap_ops[0]), GFP_KERNEL); + add->kmap_ops = kcalloc(count, sizeof(add->kmap_ops[0]), GFP_KERNEL); + add->pages = kcalloc(count, sizeof(add->pages[0]), GFP_KERNEL); if (NULL == add->grants || NULL == add->map_ops || NULL == add->unmap_ops || diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 81c3ce6..1906125 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -35,6 +35,7 @@ #include <linux/vmalloc.h> #include <linux/export.h> #include <asm/xen/hypervisor.h> +#include <asm/xen/page.h> #include <xen/interface/xen.h> #include <xen/interface/event_channel.h> #include <xen/events.h> @@ -436,19 +437,20 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn); int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr) { struct gnttab_map_grant_ref op = { - .flags = GNTMAP_host_map, + .flags = GNTMAP_host_map | GNTMAP_contains_pte, .ref = gnt_ref, .dom = dev->otherend_id, }; struct vm_struct *area; + pte_t *pte; *vaddr = NULL; - area = alloc_vm_area(PAGE_SIZE); + area = alloc_vm_area(PAGE_SIZE, &pte); if (!area) return -ENOMEM; - op.host_addr = (unsigned long)area->addr; + op.host_addr = arbitrary_virt_to_machine(pte).maddr; if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1)) BUG(); @@ -527,6 +529,7 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) struct gnttab_unmap_grant_ref op = { .host_addr = (unsigned long)vaddr, }; + unsigned int level; /* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr) * method so that we don't have to muck with vmalloc internals here. @@ -548,6 +551,8 @@ int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) } op.handle = (grant_handle_t)area->phys_addr; + op.host_addr = arbitrary_virt_to_machine( + lookup_address((unsigned long)vaddr, &level)).maddr; if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1)) BUG(); @@ -337,7 +337,7 @@ static void bio_fs_destructor(struct bio *bio) * RETURNS: * Pointer to new bio on success, NULL on failure. */ -struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs) +struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) { struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set); @@ -365,7 +365,7 @@ static void bio_kmalloc_destructor(struct bio *bio) * %__GFP_WAIT, the allocation is guaranteed to succeed. * **/ -struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs) +struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs) { struct bio *bio; @@ -696,7 +696,8 @@ static void bio_free_map_data(struct bio_map_data *bmd) kfree(bmd); } -static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count, +static struct bio_map_data *bio_alloc_map_data(int nr_segs, + unsigned int iov_count, gfp_t gfp_mask) { struct bio_map_data *bmd; diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 8855aad..22c64ff 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -683,7 +683,7 @@ static int inode_to_path(u64 inum, struct btrfs_inode_ref *iref, return PTR_ERR(fspath); if (fspath > fspath_min) { - ipath->fspath->val[i] = (u64)fspath; + ipath->fspath->val[i] = (u64)(unsigned long)fspath; ++ipath->fspath->elem_cnt; ipath->fspath->bytes_left = fspath - fspath_min; } else { diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 0fe615e..dede441 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -514,10 +514,25 @@ static inline int should_cow_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *buf) { + /* ensure we can see the force_cow */ + smp_rmb(); + + /* + * We do not need to cow a block if + * 1) this block is not created or changed in this transaction; + * 2) this block does not belong to TREE_RELOC tree; + * 3) the root is not forced COW. + * + * What is forced COW: + * when we create snapshot during commiting the transaction, + * after we've finished coping src root, we must COW the shared + * block to ensure the metadata consistency. + */ if (btrfs_header_generation(buf) == trans->transid && !btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN) && !(root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID && - btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC))) + btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)) && + !root->force_cow) return 0; return 1; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index b9ba59f..04a5dfc 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -848,7 +848,8 @@ struct btrfs_free_cluster { enum btrfs_caching_type { BTRFS_CACHE_NO = 0, BTRFS_CACHE_STARTED = 1, - BTRFS_CACHE_FINISHED = 2, + BTRFS_CACHE_FAST = 2, + BTRFS_CACHE_FINISHED = 3, }; enum btrfs_disk_cache_state { @@ -1271,6 +1272,8 @@ struct btrfs_root { * for stat. It may be used for more later */ dev_t anon_dev; + + int force_cow; }; struct btrfs_ioctl_defrag_range_args { diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 62afe5c..632f8f3 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -620,7 +620,7 @@ out: static int btree_io_failed_hook(struct bio *failed_bio, struct page *page, u64 start, u64 end, - u64 mirror_num, struct extent_state *state) + int mirror_num, struct extent_state *state) { struct extent_io_tree *tree; unsigned long len; @@ -2573,22 +2573,10 @@ static int write_dev_supers(struct btrfs_device *device, int errors = 0; u32 crc; u64 bytenr; - int last_barrier = 0; if (max_mirrors == 0) max_mirrors = BTRFS_SUPER_MIRROR_MAX; - /* make sure only the last submit_bh does a barrier */ - if (do_barriers) { - for (i = 0; i < max_mirrors; i++) { - bytenr = btrfs_sb_offset(i); - if (bytenr + BTRFS_SUPER_INFO_SIZE >= - device->total_bytes) - break; - last_barrier = i; - } - } - for (i = 0; i < max_mirrors; i++) { bytenr = btrfs_sb_offset(i); if (bytenr + BTRFS_SUPER_INFO_SIZE >= device->total_bytes) @@ -2634,17 +2622,136 @@ static int write_dev_supers(struct btrfs_device *device, bh->b_end_io = btrfs_end_buffer_write_sync; } - if (i == last_barrier && do_barriers) - ret = submit_bh(WRITE_FLUSH_FUA, bh); - else - ret = submit_bh(WRITE_SYNC, bh); - + /* + * we fua the first super. The others we allow + * to go down lazy. + */ + ret = submit_bh(WRITE_FUA, bh); if (ret) errors++; } return errors < i ? 0 : -1; } +/* + * endio for the write_dev_flush, this will wake anyone waiting + * for the barrier when it is done + */ +static void btrfs_end_empty_barrier(struct bio *bio, int err) +{ + if (err) { + if (err == -EOPNOTSUPP) + set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); + clear_bit(BIO_UPTODATE, &bio->bi_flags); + } + if (bio->bi_private) + complete(bio->bi_private); + bio_put(bio); +} + +/* + * trigger flushes for one the devices. If you pass wait == 0, the flushes are + * sent down. With wait == 1, it waits for the previous flush. + * + * any device where the flush fails with eopnotsupp are flagged as not-barrier + * capable + */ +static int write_dev_flush(struct btrfs_device *device, int wait) +{ + struct bio *bio; + int ret = 0; + + if (device->nobarriers) + return 0; + + if (wait) { + bio = device->flush_bio; + if (!bio) + return 0; + + wait_for_completion(&device->flush_wait); + + if (bio_flagged(bio, BIO_EOPNOTSUPP)) { + printk("btrfs: disabling barriers on dev %s\n", + device->name); + device->nobarriers = 1; + } + if (!bio_flagged(bio, BIO_UPTODATE)) { + ret = -EIO; + } + + /* drop the reference from the wait == 0 run */ + bio_put(bio); + device->flush_bio = NULL; + + return ret; + } + + /* + * one reference for us, and we leave it for the + * caller + */ + device->flush_bio = NULL;; + bio = bio_alloc(GFP_NOFS, 0); + if (!bio) + return -ENOMEM; + + bio->bi_end_io = btrfs_end_empty_barrier; + bio->bi_bdev = device->bdev; + init_completion(&device->flush_wait); + bio->bi_private = &device->flush_wait; + device->flush_bio = bio; + + bio_get(bio); + submit_bio(WRITE_FLUSH, bio); + + return 0; +} + +/* + * send an empty flush down to each device in parallel, + * then wait for them + */ +static int barrier_all_devices(struct btrfs_fs_info *info) +{ + struct list_head *head; + struct btrfs_device *dev; + int errors = 0; + int ret; + + /* send down all the barriers */ + head = &info->fs_devices->devices; + list_for_each_entry_rcu(dev, head, dev_list) { + if (!dev->bdev) { + errors++; + continue; + } + if (!dev->in_fs_metadata || !dev->writeable) + continue; + + ret = write_dev_flush(dev, 0); + if (ret) + errors++; + } + + /* wait for all the barriers */ + list_for_each_entry_rcu(dev, head, dev_list) { + if (!dev->bdev) { + errors++; + continue; + } + if (!dev->in_fs_metadata || !dev->writeable) + continue; + + ret = write_dev_flush(dev, 1); + if (ret) + errors++; + } + if (errors) + return -EIO; + return 0; +} + int write_all_supers(struct btrfs_root *root, int max_mirrors) { struct list_head *head; @@ -2666,6 +2773,10 @@ int write_all_supers(struct btrfs_root *root, int max_mirrors) mutex_lock(&root->fs_info->fs_devices->device_list_mutex); head = &root->fs_info->fs_devices->devices; + + if (do_barriers) + barrier_all_devices(root->fs_info); + list_for_each_entry_rcu(dev, head, dev_list) { if (!dev->bdev) { total_errors++; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index b232150..930ae89 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -467,13 +467,59 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, struct btrfs_root *root, int load_cache_only) { + DEFINE_WAIT(wait); struct btrfs_fs_info *fs_info = cache->fs_info; struct btrfs_caching_control *caching_ctl; int ret = 0; - smp_mb(); - if (cache->cached != BTRFS_CACHE_NO) + caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS); + BUG_ON(!caching_ctl); + + INIT_LIST_HEAD(&caching_ctl->list); + mutex_init(&caching_ctl->mutex); + init_waitqueue_head(&caching_ctl->wait); + caching_ctl->block_group = cache; + caching_ctl->progress = cache->key.objectid; + atomic_set(&caching_ctl->count, 1); + caching_ctl->work.func = caching_thread; + + spin_lock(&cache->lock); + /* + * This should be a rare occasion, but this could happen I think in the + * case where one thread starts to load the space cache info, and then + * some other thread starts a transaction commit which tries to do an + * allocation while the other thread is still loading the space cache + * info. The previous loop should have kept us from choosing this block + * group, but if we've moved to the state where we will wait on caching + * block groups we need to first check if we're doing a fast load here, + * so we can wait for it to finish, otherwise we could end up allocating + * from a block group who's cache gets evicted for one reason or + * another. + */ + while (cache->cached == BTRFS_CACHE_FAST) { + struct btrfs_caching_control *ctl; + + ctl = cache->caching_ctl; + atomic_inc(&ctl->count); + prepare_to_wait(&ctl->wait, &wait, TASK_UNINTERRUPTIBLE); + spin_unlock(&cache->lock); + + schedule(); + + finish_wait(&ctl->wait, &wait); + put_caching_control(ctl); + spin_lock(&cache->lock); + } + + if (cache->cached != BTRFS_CACHE_NO) { + spin_unlock(&cache->lock); + kfree(caching_ctl); return 0; + } + WARN_ON(cache->caching_ctl); + cache->caching_ctl = caching_ctl; + cache->cached = BTRFS_CACHE_FAST; + spin_unlock(&cache->lock); /* * We can't do the read from on-disk cache during a commit since we need @@ -484,56 +530,51 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, if (trans && (!trans->transaction->in_commit) && (root && root != root->fs_info->tree_root) && btrfs_test_opt(root, SPACE_CACHE)) { - spin_lock(&cache->lock); - if (cache->cached != BTRFS_CACHE_NO) { - spin_unlock(&cache->lock); - return 0; - } - cache->cached = BTRFS_CACHE_STARTED; - spin_unlock(&cache->lock); - ret = load_free_space_cache(fs_info, cache); spin_lock(&cache->lock); if (ret == 1) { + cache->caching_ctl = NULL; cache->cached = BTRFS_CACHE_FINISHED; cache->last_byte_to_unpin = (u64)-1; } else { - cache->cached = BTRFS_CACHE_NO; + if (load_cache_only) { + cache->caching_ctl = NULL; + cache->cached = BTRFS_CACHE_NO; + } else { + cache->cached = BTRFS_CACHE_STARTED; + } } spin_unlock(&cache->lock); + wake_up(&caching_ctl->wait); if (ret == 1) { + put_caching_control(caching_ctl); free_excluded_extents(fs_info->extent_root, cache); return 0; } + } else { + /* + * We are not going to do the fast caching, set cached to the + * appropriate value and wakeup any waiters. + */ + spin_lock(&cache->lock); + if (load_cache_only) { + cache->caching_ctl = NULL; + cache->cached = BTRFS_CACHE_NO; + } else { + cache->cached = BTRFS_CACHE_STARTED; + } + spin_unlock(&cache->lock); + wake_up(&caching_ctl->wait); } - if (load_cache_only) - return 0; - - caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS); - BUG_ON(!caching_ctl); - - INIT_LIST_HEAD(&caching_ctl->list); - mutex_init(&caching_ctl->mutex); - init_waitqueue_head(&caching_ctl->wait); - caching_ctl->block_group = cache; - caching_ctl->progress = cache->key.objectid; - /* one for caching kthread, one for caching block group list */ - atomic_set(&caching_ctl->count, 2); - caching_ctl->work.func = caching_thread; - - spin_lock(&cache->lock); - if (cache->cached != BTRFS_CACHE_NO) { - spin_unlock(&cache->lock); - kfree(caching_ctl); + if (load_cache_only) { + put_caching_control(caching_ctl); return 0; } - cache->caching_ctl = caching_ctl; - cache->cached = BTRFS_CACHE_STARTED; - spin_unlock(&cache->lock); down_write(&fs_info->extent_commit_sem); + atomic_inc(&caching_ctl->count); list_add_tail(&caching_ctl->list, &fs_info->caching_block_groups); up_write(&fs_info->extent_commit_sem); @@ -5178,13 +5219,15 @@ search: } have_block_group: - if (unlikely(block_group->cached == BTRFS_CACHE_NO)) { + cached = block_group_cache_done(block_group); + if (unlikely(!cached)) { u64 free_percent; + found_uncached_bg = true; ret = cache_block_group(block_group, trans, orig_root, 1); if (block_group->cached == BTRFS_CACHE_FINISHED) - goto have_block_group; + goto alloc; free_percent = btrfs_block_group_used(&block_group->item); free_percent *= 100; @@ -5206,7 +5249,6 @@ have_block_group: orig_root, 0); BUG_ON(ret); } - found_uncached_bg = true; /* * If loop is set for cached only, try the next block @@ -5216,10 +5258,7 @@ have_block_group: goto loop; } - cached = block_group_cache_done(block_group); - if (unlikely(!cached)) - found_uncached_bg = true; - +alloc: if (unlikely(block_group->ro)) goto loop; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 1f87c4d..9472d3d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2285,8 +2285,8 @@ static void end_bio_extent_readpage(struct bio *bio, int err) clean_io_failure(start, page); } if (!uptodate) { - u64 failed_mirror; - failed_mirror = (u64)bio->bi_bdev; + int failed_mirror; + failed_mirror = (int)(unsigned long)bio->bi_bdev; if (tree->ops && tree->ops->readpage_io_failed_hook) ret = tree->ops->readpage_io_failed_hook( bio, page, start, end, @@ -3366,6 +3366,9 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, return -ENOMEM; path->leave_spinning = 1; + start = ALIGN(start, BTRFS_I(inode)->root->sectorsize); + len = ALIGN(len, BTRFS_I(inode)->root->sectorsize); + /* * lookup the last file extent. We're not using i_size here * because there might be preallocation past i_size @@ -3413,7 +3416,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len, 0, &cached_state, GFP_NOFS); - em = get_extent_skip_holes(inode, off, last_for_get_extent, + em = get_extent_skip_holes(inode, start, last_for_get_extent, get_extent); if (!em) goto out; diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index feb9be0..7604c30 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -70,7 +70,7 @@ struct extent_io_ops { unsigned long bio_flags); int (*readpage_io_hook)(struct page *page, u64 start, u64 end); int (*readpage_io_failed_hook)(struct bio *bio, struct page *page, - u64 start, u64 end, u64 failed_mirror, + u64 start, u64 end, int failed_mirror, struct extent_state *state); int (*writepage_io_failed_hook)(struct bio *bio, struct page *page, u64 start, u64 end, diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 181760f..6e5b7e4 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -351,6 +351,11 @@ static int io_ctl_prepare_pages(struct io_ctl *io_ctl, struct inode *inode, } } + for (i = 0; i < io_ctl->num_pages; i++) { + clear_page_dirty_for_io(io_ctl->pages[i]); + set_page_extent_mapped(io_ctl->pages[i]); + } + return 0; } @@ -1844,7 +1849,13 @@ again: info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset), 1, 0); if (!info) { - WARN_ON(1); + /* the tree logging code might be calling us before we + * have fully loaded the free space rbtree for this + * block group. So it is possible the entry won't + * be in the rbtree yet at all. The caching code + * will make sure not to put it in the rbtree if + * the logging code has pinned it. + */ goto out_lock; } } @@ -2451,16 +2462,23 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; struct btrfs_free_space *entry; - struct rb_node *node; int ret = -ENOSPC; + u64 bitmap_offset = offset_to_bitmap(ctl, offset); if (ctl->total_bitmaps == 0) return -ENOSPC; /* - * First check our cached list of bitmaps and see if there is an entry - * here that will work. + * The bitmap that covers offset won't be in the list unless offset + * is just its start offset. */ + entry = list_first_entry(bitmaps, struct btrfs_free_space, list); + if (entry->offset != bitmap_offset) { + entry = tree_search_offset(ctl, bitmap_offset, 1, 0); + if (entry && list_empty(&entry->list)) + list_add(&entry->list, bitmaps); + } + list_for_each_entry(entry, bitmaps, list) { if (entry->bytes < min_bytes) continue; @@ -2471,38 +2489,10 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, } /* - * If we do have entries on our list and we are here then we didn't find - * anything, so go ahead and get the next entry after the last entry in - * this list and start the search from there. + * The bitmaps list has all the bitmaps that record free space + * starting after offset, so no more search is required. */ - if (!list_empty(bitmaps)) { - entry = list_entry(bitmaps->prev, struct btrfs_free_space, - list); - node = rb_next(&entry->offset_index); - if (!node) - return -ENOSPC; - entry = rb_entry(node, struct btrfs_free_space, offset_index); - goto search; - } - - entry = tree_search_offset(ctl, offset_to_bitmap(ctl, offset), 0, 1); - if (!entry) - return -ENOSPC; - -search: - node = &entry->offset_index; - do { - entry = rb_entry(node, struct btrfs_free_space, offset_index); - node = rb_next(&entry->offset_index); - if (!entry->bitmap) - continue; - if (entry->bytes < min_bytes) - continue; - ret = btrfs_bitmap_cluster(block_group, entry, cluster, offset, - bytes, min_bytes); - } while (ret && node); - - return ret; + return -ENOSPC; } /* @@ -2520,8 +2510,8 @@ int btrfs_find_space_cluster(struct btrfs_trans_handle *trans, u64 offset, u64 bytes, u64 empty_size) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; - struct list_head bitmaps; struct btrfs_free_space *entry, *tmp; + LIST_HEAD(bitmaps); u64 min_bytes; int ret; @@ -2560,7 +2550,6 @@ int btrfs_find_space_cluster(struct btrfs_trans_handle *trans, goto out; } - INIT_LIST_HEAD(&bitmaps); ret = setup_cluster_no_bitmap(block_group, cluster, &bitmaps, offset, bytes, min_bytes); if (ret) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 116ab67..526dd51 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6794,11 +6794,13 @@ static int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { struct inode *inode = dentry->d_inode; + u32 blocksize = inode->i_sb->s_blocksize; + generic_fillattr(inode, stat); stat->dev = BTRFS_I(inode)->root->anon_dev; stat->blksize = PAGE_CACHE_SIZE; - stat->blocks = (inode_get_bytes(inode) + - BTRFS_I(inode)->delalloc_bytes) >> 9; + stat->blocks = (ALIGN(inode_get_bytes(inode), blocksize) + + ALIGN(BTRFS_I(inode)->delalloc_bytes, blocksize)) >> 9; return 0; } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 4a34c47..a90e749 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1216,12 +1216,12 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root, *devstr = '\0'; devstr = vol_args->name; devid = simple_strtoull(devstr, &end, 10); - printk(KERN_INFO "resizing devid %llu\n", + printk(KERN_INFO "btrfs: resizing devid %llu\n", (unsigned long long)devid); } device = btrfs_find_device(root, devid, NULL, NULL); if (!device) { - printk(KERN_INFO "resizer unable to find device %llu\n", + printk(KERN_INFO "btrfs: resizer unable to find device %llu\n", (unsigned long long)devid); ret = -EINVAL; goto out_unlock; @@ -1267,7 +1267,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root, do_div(new_size, root->sectorsize); new_size *= root->sectorsize; - printk(KERN_INFO "new size for %s is %llu\n", + printk(KERN_INFO "btrfs: new size for %s is %llu\n", device->name, (unsigned long long)new_size); if (new_size > old_size) { @@ -2930,11 +2930,13 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) goto out; for (i = 0; i < ipath->fspath->elem_cnt; ++i) { - rel_ptr = ipath->fspath->val[i] - (u64)ipath->fspath->val; + rel_ptr = ipath->fspath->val[i] - + (u64)(unsigned long)ipath->fspath->val; ipath->fspath->val[i] = rel_ptr; } - ret = copy_to_user((void *)ipa->fspath, (void *)ipath->fspath, size); + ret = copy_to_user((void *)(unsigned long)ipa->fspath, + (void *)(unsigned long)ipath->fspath, size); if (ret) { ret = -EFAULT; goto out; @@ -3017,7 +3019,8 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, if (ret < 0) goto out; - ret = copy_to_user((void *)loi->inodes, (void *)inodes, size); + ret = copy_to_user((void *)(unsigned long)loi->inodes, + (void *)(unsigned long)inodes, size); if (ret) ret = -EFAULT; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index f4190f2..fab420d 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -272,7 +272,7 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, void *ctx) swarn->logical, swarn->dev->name, (unsigned long long)swarn->sector, root, inum, offset, min(isize - offset, (u64)PAGE_SIZE), nlink, - (char *)ipath->fspath->val[i]); + (char *)(unsigned long)ipath->fspath->val[i]); free_ipath(ipath); return 0; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 8bd9d6d..17ee7fc 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -825,13 +825,9 @@ static char *setup_root_args(char *args) static struct dentry *mount_subvol(const char *subvol_name, int flags, const char *device_name, char *data) { - struct super_block *s; struct dentry *root; struct vfsmount *mnt; - struct mnt_namespace *ns_private; char *newargs; - struct path path; - int error; newargs = setup_root_args(data); if (!newargs) @@ -842,39 +838,17 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags, if (IS_ERR(mnt)) return ERR_CAST(mnt); - ns_private = create_mnt_ns(mnt); - if (IS_ERR(ns_private)) { - mntput(mnt); - return ERR_CAST(ns_private); - } + root = mount_subtree(mnt, subvol_name); - /* - * This will trigger the automount of the subvol so we can just - * drop the mnt we have here and return the dentry that we - * found. - */ - error = vfs_path_lookup(mnt->mnt_root, mnt, subvol_name, - LOOKUP_FOLLOW, &path); - put_mnt_ns(ns_private); - if (error) - return ERR_PTR(error); - - if (!is_subvolume_inode(path.dentry->d_inode)) { - path_put(&path); - mntput(mnt); - error = -EINVAL; + if (!IS_ERR(root) && !is_subvolume_inode(root->d_inode)) { + struct super_block *s = root->d_sb; + dput(root); + root = ERR_PTR(-EINVAL); + deactivate_locked_super(s); printk(KERN_ERR "btrfs: '%s' is not a valid subvolume\n", subvol_name); - return ERR_PTR(-EINVAL); } - /* Get a ref to the sb and the dentry we found and return it */ - s = path.mnt->mnt_sb; - atomic_inc(&s->s_active); - root = dget(path.dentry); - path_put(&path); - down_write(&s->s_umount); - return root; } diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 6a0574e..81376d9 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -785,6 +785,10 @@ static noinline int commit_fs_roots(struct btrfs_trans_handle *trans, btrfs_save_ino_cache(root, trans); + /* see comments in should_cow_block() */ + root->force_cow = 0; + smp_wmb(); + if (root->commit_root != root->node) { mutex_lock(&root->fs_commit_mutex); switch_commit_root(root); @@ -947,6 +951,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_tree_unlock(old); free_extent_buffer(old); + /* see comments in should_cow_block() */ + root->force_cow = 1; + smp_wmb(); + btrfs_set_root_node(new_root_item, tmp); /* record when the snapshot was created in key.offset */ key.offset = trans->transid; diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index ab5b1c4..78f2d4d 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -100,6 +100,12 @@ struct btrfs_device { struct reada_zone *reada_curr_zone; struct radix_tree_root reada_zones; struct radix_tree_root reada_extents; + + /* for sending down flush barriers */ + struct bio *flush_bio; + struct completion flush_wait; + int nobarriers; + }; struct btrfs_fs_devices { diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 2abd0df..bca3948 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1143,7 +1143,7 @@ static void ceph_d_prune(struct dentry *dentry) { struct ceph_dentry_info *di; - dout("d_release %p\n", dentry); + dout("ceph_d_prune %p\n", dentry); /* do we have a valid parent? */ if (!dentry->d_parent || IS_ROOT(dentry)) diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index e392bfc..116f365 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1328,12 +1328,13 @@ int ceph_inode_set_size(struct inode *inode, loff_t size) */ void ceph_queue_writeback(struct inode *inode) { + ihold(inode); if (queue_work(ceph_inode_to_client(inode)->wb_wq, &ceph_inode(inode)->i_wb_work)) { dout("ceph_queue_writeback %p\n", inode); - ihold(inode); } else { dout("ceph_queue_writeback %p failed\n", inode); + iput(inode); } } @@ -1353,12 +1354,13 @@ static void ceph_writeback_work(struct work_struct *work) */ void ceph_queue_invalidate(struct inode *inode) { + ihold(inode); if (queue_work(ceph_inode_to_client(inode)->pg_inv_wq, &ceph_inode(inode)->i_pg_inv_work)) { dout("ceph_queue_invalidate %p\n", inode); - ihold(inode); } else { dout("ceph_queue_invalidate %p failed\n", inode); + iput(inode); } } @@ -1434,13 +1436,14 @@ void ceph_queue_vmtruncate(struct inode *inode) { struct ceph_inode_info *ci = ceph_inode(inode); + ihold(inode); if (queue_work(ceph_sb_to_client(inode->i_sb)->trunc_wq, &ci->i_vmtruncate_work)) { dout("ceph_queue_vmtruncate %p\n", inode); - ihold(inode); } else { dout("ceph_queue_vmtruncate %p failed, pending=%d\n", inode, ci->i_truncate_pending); + iput(inode); } } diff --git a/fs/ceph/super.c b/fs/ceph/super.c index a90846f..8dc73a5 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -638,10 +638,12 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc, if (err == 0) { dout("open_root_inode success\n"); if (ceph_ino(req->r_target_inode) == CEPH_INO_ROOT && - fsc->sb->s_root == NULL) + fsc->sb->s_root == NULL) { root = d_alloc_root(req->r_target_inode); - else + ceph_init_dentry(root); + } else { root = d_obtain_alias(req->r_target_inode); + } req->r_target_inode = NULL; dout("open_root_inode success, root dentry is %p\n", root); } else { diff --git a/fs/dcache.c b/fs/dcache.c index a901c69..10ba92d 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -36,6 +36,7 @@ #include <linux/bit_spinlock.h> #include <linux/rculist_bl.h> #include <linux/prefetch.h> +#include <linux/ratelimit.h> #include "internal.h" /* @@ -2383,8 +2384,16 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode) actual = __d_unalias(inode, dentry, alias); } write_sequnlock(&rename_lock); - if (IS_ERR(actual)) + if (IS_ERR(actual)) { + if (PTR_ERR(actual) == -ELOOP) + pr_warn_ratelimited( + "VFS: Lookup of '%s' in %s %s" + " would have caused loop\n", + dentry->d_name.name, + inode->i_sb->s_type->name, + inode->i_sb->s_id); dput(alias); + } goto out_nolock; } } diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 58609bd..2a83425 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -967,7 +967,7 @@ static void ecryptfs_set_default_crypt_stat_vals( /** * ecryptfs_new_file_context - * @ecryptfs_dentry: The eCryptfs dentry + * @ecryptfs_inode: The eCryptfs inode * * If the crypto context for the file has not yet been established, * this is where we do that. Establishing a new crypto context @@ -984,13 +984,13 @@ static void ecryptfs_set_default_crypt_stat_vals( * * Returns zero on success; non-zero otherwise */ -int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry) +int ecryptfs_new_file_context(struct inode *ecryptfs_inode) { struct ecryptfs_crypt_stat *crypt_stat = - &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; + &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = &ecryptfs_superblock_to_private( - ecryptfs_dentry->d_sb)->mount_crypt_stat; + ecryptfs_inode->i_sb)->mount_crypt_stat; int cipher_name_len; int rc = 0; @@ -1299,12 +1299,12 @@ static int ecryptfs_write_headers_virt(char *page_virt, size_t max, } static int -ecryptfs_write_metadata_to_contents(struct dentry *ecryptfs_dentry, +ecryptfs_write_metadata_to_contents(struct inode *ecryptfs_inode, char *virt, size_t virt_len) { int rc; - rc = ecryptfs_write_lower(ecryptfs_dentry->d_inode, virt, + rc = ecryptfs_write_lower(ecryptfs_inode, virt, 0, virt_len); if (rc < 0) printk(KERN_ERR "%s: Error attempting to write header " @@ -1338,7 +1338,8 @@ static unsigned long ecryptfs_get_zeroed_pages(gfp_t gfp_mask, /** * ecryptfs_write_metadata - * @ecryptfs_dentry: The eCryptfs dentry + * @ecryptfs_dentry: The eCryptfs dentry, which should be negative + * @ecryptfs_inode: The newly created eCryptfs inode * * Write the file headers out. This will likely involve a userspace * callout, in which the session key is encrypted with one or more @@ -1348,10 +1349,11 @@ static unsigned long ecryptfs_get_zeroed_pages(gfp_t gfp_mask, * * Returns zero on success; non-zero on error */ -int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry) +int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, + struct inode *ecryptfs_inode) { struct ecryptfs_crypt_stat *crypt_stat = - &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; + &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; unsigned int order; char *virt; size_t virt_len; @@ -1391,7 +1393,7 @@ int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry) rc = ecryptfs_write_metadata_to_xattr(ecryptfs_dentry, virt, size); else - rc = ecryptfs_write_metadata_to_contents(ecryptfs_dentry, virt, + rc = ecryptfs_write_metadata_to_contents(ecryptfs_inode, virt, virt_len); if (rc) { printk(KERN_ERR "%s: Error writing metadata out to lower file; " @@ -1943,7 +1945,7 @@ static unsigned char *portable_filename_chars = ("-.0123456789ABCD" /* We could either offset on every reverse map or just pad some 0x00's * at the front here */ -static const unsigned char filename_rev_map[] = { +static const unsigned char filename_rev_map[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 7 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 15 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 23 */ @@ -1959,7 +1961,7 @@ static const unsigned char filename_rev_map[] = { 0x00, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, /* 103 */ 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, /* 111 */ 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, /* 119 */ - 0x3D, 0x3E, 0x3F + 0x3D, 0x3E, 0x3F /* 123 - 255 initialized to 0x00 */ }; /** diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 54481a3..a9f29b1 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -584,9 +584,10 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat); int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode); int ecryptfs_encrypt_page(struct page *page); int ecryptfs_decrypt_page(struct page *page); -int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry); +int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry, + struct inode *ecryptfs_inode); int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry); -int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry); +int ecryptfs_new_file_context(struct inode *ecryptfs_inode); void ecryptfs_write_crypt_stat_flags(char *page_virt, struct ecryptfs_crypt_stat *crypt_stat, size_t *written); diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index c6ac98c..d3f95f9 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -139,6 +139,27 @@ out: return rc; } +static void ecryptfs_vma_close(struct vm_area_struct *vma) +{ + filemap_write_and_wait(vma->vm_file->f_mapping); +} + +static const struct vm_operations_struct ecryptfs_file_vm_ops = { + .close = ecryptfs_vma_close, + .fault = filemap_fault, +}; + +static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma) +{ + int rc; + + rc = generic_file_mmap(file, vma); + if (!rc) + vma->vm_ops = &ecryptfs_file_vm_ops; + + return rc; +} + struct kmem_cache *ecryptfs_file_info_cache; /** @@ -349,7 +370,7 @@ const struct file_operations ecryptfs_main_fops = { #ifdef CONFIG_COMPAT .compat_ioctl = ecryptfs_compat_ioctl, #endif - .mmap = generic_file_mmap, + .mmap = ecryptfs_file_mmap, .open = ecryptfs_open, .flush = ecryptfs_flush, .release = ecryptfs_release, diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index a36d327..32f90a3a 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -172,22 +172,23 @@ ecryptfs_create_underlying_file(struct inode *lower_dir_inode, * it. It will also update the eCryptfs directory inode to mimic the * stat of the lower directory inode. * - * Returns zero on success; non-zero on error condition + * Returns the new eCryptfs inode on success; an ERR_PTR on error condition */ -static int +static struct inode * ecryptfs_do_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, int mode) { int rc; struct dentry *lower_dentry; struct dentry *lower_dir_dentry; + struct inode *inode; lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); lower_dir_dentry = lock_parent(lower_dentry); if (IS_ERR(lower_dir_dentry)) { ecryptfs_printk(KERN_ERR, "Error locking directory of " "dentry\n"); - rc = PTR_ERR(lower_dir_dentry); + inode = ERR_CAST(lower_dir_dentry); goto out; } rc = ecryptfs_create_underlying_file(lower_dir_dentry->d_inode, @@ -195,20 +196,19 @@ ecryptfs_do_create(struct inode *directory_inode, if (rc) { printk(KERN_ERR "%s: Failure to create dentry in lower fs; " "rc = [%d]\n", __func__, rc); + inode = ERR_PTR(rc); goto out_lock; } - rc = ecryptfs_interpose(lower_dentry, ecryptfs_dentry, - directory_inode->i_sb); - if (rc) { - ecryptfs_printk(KERN_ERR, "Failure in ecryptfs_interpose\n"); + inode = __ecryptfs_get_inode(lower_dentry->d_inode, + directory_inode->i_sb); + if (IS_ERR(inode)) goto out_lock; - } fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode); fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode); out_lock: unlock_dir(lower_dir_dentry); out: - return rc; + return inode; } /** @@ -219,26 +219,26 @@ out: * * Returns zero on success */ -static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry) +static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, + struct inode *ecryptfs_inode) { struct ecryptfs_crypt_stat *crypt_stat = - &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat; + &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; int rc = 0; - if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) { + if (S_ISDIR(ecryptfs_inode->i_mode)) { ecryptfs_printk(KERN_DEBUG, "This is a directory\n"); crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); goto out; } ecryptfs_printk(KERN_DEBUG, "Initializing crypto context\n"); - rc = ecryptfs_new_file_context(ecryptfs_dentry); + rc = ecryptfs_new_file_context(ecryptfs_inode); if (rc) { ecryptfs_printk(KERN_ERR, "Error creating new file " "context; rc = [%d]\n", rc); goto out; } - rc = ecryptfs_get_lower_file(ecryptfs_dentry, - ecryptfs_dentry->d_inode); + rc = ecryptfs_get_lower_file(ecryptfs_dentry, ecryptfs_inode); if (rc) { printk(KERN_ERR "%s: Error attempting to initialize " "the lower file for the dentry with name " @@ -246,10 +246,10 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry) ecryptfs_dentry->d_name.name, rc); goto out; } - rc = ecryptfs_write_metadata(ecryptfs_dentry); + rc = ecryptfs_write_metadata(ecryptfs_dentry, ecryptfs_inode); if (rc) printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc); - ecryptfs_put_lower_file(ecryptfs_dentry->d_inode); + ecryptfs_put_lower_file(ecryptfs_inode); out: return rc; } @@ -269,18 +269,28 @@ static int ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, int mode, struct nameidata *nd) { + struct inode *ecryptfs_inode; int rc; - /* ecryptfs_do_create() calls ecryptfs_interpose() */ - rc = ecryptfs_do_create(directory_inode, ecryptfs_dentry, mode); - if (unlikely(rc)) { + ecryptfs_inode = ecryptfs_do_create(directory_inode, ecryptfs_dentry, + mode); + if (unlikely(IS_ERR(ecryptfs_inode))) { ecryptfs_printk(KERN_WARNING, "Failed to create file in" "lower filesystem\n"); + rc = PTR_ERR(ecryptfs_inode); goto out; } /* At this point, a file exists on "disk"; we need to make sure * that this on disk file is prepared to be an ecryptfs file */ - rc = ecryptfs_initialize_file(ecryptfs_dentry); + rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode); + if (rc) { + drop_nlink(ecryptfs_inode); + unlock_new_inode(ecryptfs_inode); + iput(ecryptfs_inode); + goto out; + } + d_instantiate(ecryptfs_dentry, ecryptfs_inode); + unlock_new_inode(ecryptfs_inode); out: return rc; } diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index f6dba45..12ccacd 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -565,7 +565,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb) brelse(bitmap_bh); printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu" ", computed = %llu, %llu\n", - EXT4_B2C(sbi, ext4_free_blocks_count(es)), + EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)), desc_count, bitmap_count); return bitmap_count; #else diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 240f6e2..fffec40 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2270,6 +2270,7 @@ retry: ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: " "%ld pages, ino %lu; err %d", __func__, wbc->nr_to_write, inode->i_ino, ret); + blk_finish_plug(&plug); goto out_writepages; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 9953d80..3858767 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1683,7 +1683,9 @@ static int parse_options(char *options, struct super_block *sb, data_opt = EXT4_MOUNT_WRITEBACK_DATA; datacheck: if (is_remount) { - if (test_opt(sb, DATA_FLAGS) != data_opt) { + if (!sbi->s_journal) + ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option"); + else if (test_opt(sb, DATA_FLAGS) != data_opt) { ext4_msg(sb, KERN_ERR, "Cannot change data mode on remount"); return 0; @@ -3099,8 +3101,6 @@ static void ext4_destroy_lazyinit_thread(void) } static int ext4_fill_super(struct super_block *sb, void *data, int silent) - __releases(kernel_lock) - __acquires(kernel_lock) { char *orig_data = kstrdup(data, GFP_KERNEL); struct buffer_head *bh; diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c index 3f32bcb..ef175cb 100644 --- a/fs/minix/bitmap.c +++ b/fs/minix/bitmap.c @@ -16,38 +16,26 @@ #include <linux/bitops.h> #include <linux/sched.h> -static const int nibblemap[] = { 4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 }; - static DEFINE_SPINLOCK(bitmap_lock); -static unsigned long count_free(struct buffer_head *map[], unsigned numblocks, __u32 numbits) +/* + * bitmap consists of blocks filled with 16bit words + * bit set == busy, bit clear == free + * endianness is a mess, but for counting zero bits it really doesn't matter... + */ +static __u32 count_free(struct buffer_head *map[], unsigned blocksize, __u32 numbits) { - unsigned i, j, sum = 0; - struct buffer_head *bh; - - for (i=0; i<numblocks-1; i++) { - if (!(bh=map[i])) - return(0); - for (j=0; j<bh->b_size; j++) - sum += nibblemap[bh->b_data[j] & 0xf] - + nibblemap[(bh->b_data[j]>>4) & 0xf]; - } + __u32 sum = 0; + unsigned blocks = DIV_ROUND_UP(numbits, blocksize * 8); - if (numblocks==0 || !(bh=map[numblocks-1])) - return(0); - i = ((numbits - (numblocks-1) * bh->b_size * 8) / 16) * 2; - for (j=0; j<i; j++) { - sum += nibblemap[bh->b_data[j] & 0xf] - + nibblemap[(bh->b_data[j]>>4) & 0xf]; + while (blocks--) { + unsigned words = blocksize / 2; + __u16 *p = (__u16 *)(*map++)->b_data; + while (words--) + sum += 16 - hweight16(*p++); } - i = numbits%16; - if (i!=0) { - i = *(__u16 *)(&bh->b_data[j]) | ~((1<<i) - 1); - sum += nibblemap[i & 0xf] + nibblemap[(i>>4) & 0xf]; - sum += nibblemap[(i>>8) & 0xf] + nibblemap[(i>>12) & 0xf]; - } - return(sum); + return sum; } void minix_free_block(struct inode *inode, unsigned long block) @@ -105,10 +93,12 @@ int minix_new_block(struct inode * inode) return 0; } -unsigned long minix_count_free_blocks(struct minix_sb_info *sbi) +unsigned long minix_count_free_blocks(struct super_block *sb) { - return (count_free(sbi->s_zmap, sbi->s_zmap_blocks, - sbi->s_nzones - sbi->s_firstdatazone + 1) + struct minix_sb_info *sbi = minix_sb(sb); + u32 bits = sbi->s_nzones - (sbi->s_firstdatazone + 1); + + return (count_free(sbi->s_zmap, sb->s_blocksize, bits) << sbi->s_log_zone_size); } @@ -273,7 +263,10 @@ struct inode *minix_new_inode(const struct inode *dir, int mode, int *error) return inode; } -unsigned long minix_count_free_inodes(struct minix_sb_info *sbi) +unsigned long minix_count_free_inodes(struct super_block *sb) { - return count_free(sbi->s_imap, sbi->s_imap_blocks, sbi->s_ninodes + 1); + struct minix_sb_info *sbi = minix_sb(sb); + u32 bits = sbi->s_ninodes + 1; + + return count_free(sbi->s_imap, sb->s_blocksize, bits); } diff --git a/fs/minix/inode.c b/fs/minix/inode.c index 64cdcd6..1d9e339 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -279,6 +279,27 @@ static int minix_fill_super(struct super_block *s, void *data, int silent) else if (sbi->s_mount_state & MINIX_ERROR_FS) printk("MINIX-fs: mounting file system with errors, " "running fsck is recommended\n"); + + /* Apparently minix can create filesystems that allocate more blocks for + * the bitmaps than needed. We simply ignore that, but verify it didn't + * create one with not enough blocks and bail out if so. + */ + block = minix_blocks_needed(sbi->s_ninodes, s->s_blocksize); + if (sbi->s_imap_blocks < block) { + printk("MINIX-fs: file system does not have enough " + "imap blocks allocated. Refusing to mount\n"); + goto out_iput; + } + + block = minix_blocks_needed( + (sbi->s_nzones - (sbi->s_firstdatazone + 1)), + s->s_blocksize); + if (sbi->s_zmap_blocks < block) { + printk("MINIX-fs: file system does not have enough " + "zmap blocks allocated. Refusing to mount.\n"); + goto out_iput; + } + return 0; out_iput: @@ -339,10 +360,10 @@ static int minix_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_type = sb->s_magic; buf->f_bsize = sb->s_blocksize; buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size; - buf->f_bfree = minix_count_free_blocks(sbi); + buf->f_bfree = minix_count_free_blocks(sb); buf->f_bavail = buf->f_bfree; buf->f_files = sbi->s_ninodes; - buf->f_ffree = minix_count_free_inodes(sbi); + buf->f_ffree = minix_count_free_inodes(sb); buf->f_namelen = sbi->s_namelen; buf->f_fsid.val[0] = (u32)id; buf->f_fsid.val[1] = (u32)(id >> 32); diff --git a/fs/minix/minix.h b/fs/minix/minix.h index 341e212..26bbd55 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -48,10 +48,10 @@ extern struct minix_inode * minix_V1_raw_inode(struct super_block *, ino_t, stru extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **); extern struct inode * minix_new_inode(const struct inode *, int, int *); extern void minix_free_inode(struct inode * inode); -extern unsigned long minix_count_free_inodes(struct minix_sb_info *sbi); +extern unsigned long minix_count_free_inodes(struct super_block *sb); extern int minix_new_block(struct inode * inode); extern void minix_free_block(struct inode *inode, unsigned long block); -extern unsigned long minix_count_free_blocks(struct minix_sb_info *sbi); +extern unsigned long minix_count_free_blocks(struct super_block *sb); extern int minix_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len); @@ -88,6 +88,11 @@ static inline struct minix_inode_info *minix_i(struct inode *inode) return list_entry(inode, struct minix_inode_info, vfs_inode); } +static inline unsigned minix_blocks_needed(unsigned bits, unsigned blocksize) +{ + return DIV_ROUND_UP(bits, blocksize * 8); +} + #if defined(CONFIG_MINIX_FS_NATIVE_ENDIAN) && \ defined(CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED) @@ -125,7 +130,7 @@ static inline int minix_find_first_zero_bit(const void *vaddr, unsigned size) if (!size) return 0; - size = (size >> 4) + ((size & 15) > 0); + size >>= 4; while (*p++ == 0xffff) { if (--size == 0) return (p - addr) << 4; diff --git a/fs/namespace.c b/fs/namespace.c index e5e1c7d..6d3a196 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2483,11 +2483,43 @@ struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt) __mnt_make_longterm(mnt); new_ns->root = mnt; list_add(&new_ns->list, &new_ns->root->mnt_list); + } else { + mntput(mnt); } return new_ns; } EXPORT_SYMBOL(create_mnt_ns); +struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) +{ + struct mnt_namespace *ns; + struct super_block *s; + struct path path; + int err; + + ns = create_mnt_ns(mnt); + if (IS_ERR(ns)) + return ERR_CAST(ns); + + err = vfs_path_lookup(mnt->mnt_root, mnt, + name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path); + + put_mnt_ns(ns); + + if (err) + return ERR_PTR(err); + + /* trade a vfsmount reference for active sb one */ + s = path.mnt->mnt_sb; + atomic_inc(&s->s_active); + mntput(path.mnt); + /* lock the sucker */ + down_write(&s->s_umount); + /* ... and return the root of (sub)tree on it */ + return path.dentry; +} +EXPORT_SYMBOL(mount_subtree); + SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name, char __user *, type, unsigned long, flags, void __user *, data) { diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index b238d95..ac28990 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1468,12 +1468,12 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry res = NULL; goto out; /* This turned out not to be a regular file */ + case -EISDIR: case -ENOTDIR: goto no_open; case -ELOOP: if (!(nd->intent.open.flags & O_NOFOLLOW)) goto no_open; - /* case -EISDIR: */ /* case -EINVAL: */ default: res = ERR_CAST(inode); diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 0a1f831..eca56d4 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -40,48 +40,8 @@ #define NFSDBG_FACILITY NFSDBG_FILE -static int nfs_file_open(struct inode *, struct file *); -static int nfs_file_release(struct inode *, struct file *); -static loff_t nfs_file_llseek(struct file *file, loff_t offset, int origin); -static int nfs_file_mmap(struct file *, struct vm_area_struct *); -static ssize_t nfs_file_splice_read(struct file *filp, loff_t *ppos, - struct pipe_inode_info *pipe, - size_t count, unsigned int flags); -static ssize_t nfs_file_read(struct kiocb *, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); -static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe, - struct file *filp, loff_t *ppos, - size_t count, unsigned int flags); -static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); -static int nfs_file_flush(struct file *, fl_owner_t id); -static int nfs_file_fsync(struct file *, loff_t, loff_t, int datasync); -static int nfs_check_flags(int flags); -static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl); -static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl); -static int nfs_setlease(struct file *file, long arg, struct file_lock **fl); - static const struct vm_operations_struct nfs_file_vm_ops; -const struct file_operations nfs_file_operations = { - .llseek = nfs_file_llseek, - .read = do_sync_read, - .write = do_sync_write, - .aio_read = nfs_file_read, - .aio_write = nfs_file_write, - .mmap = nfs_file_mmap, - .open = nfs_file_open, - .flush = nfs_file_flush, - .release = nfs_file_release, - .fsync = nfs_file_fsync, - .lock = nfs_lock, - .flock = nfs_flock, - .splice_read = nfs_file_splice_read, - .splice_write = nfs_file_splice_write, - .check_flags = nfs_check_flags, - .setlease = nfs_setlease, -}; - const struct inode_operations nfs_file_inode_operations = { .permission = nfs_permission, .getattr = nfs_getattr, @@ -886,3 +846,54 @@ static int nfs_setlease(struct file *file, long arg, struct file_lock **fl) file->f_path.dentry->d_name.name, arg); return -EINVAL; } + +const struct file_operations nfs_file_operations = { + .llseek = nfs_file_llseek, + .read = do_sync_read, + .write = do_sync_write, + .aio_read = nfs_file_read, + .aio_write = nfs_file_write, + .mmap = nfs_file_mmap, + .open = nfs_file_open, + .flush = nfs_file_flush, + .release = nfs_file_release, + .fsync = nfs_file_fsync, + .lock = nfs_lock, + .flock = nfs_flock, + .splice_read = nfs_file_splice_read, + .splice_write = nfs_file_splice_write, + .check_flags = nfs_check_flags, + .setlease = nfs_setlease, +}; + +#ifdef CONFIG_NFS_V4 +static int +nfs4_file_open(struct inode *inode, struct file *filp) +{ + /* + * NFSv4 opens are handled in d_lookup and d_revalidate. If we get to + * this point, then something is very wrong + */ + dprintk("NFS: %s called! inode=%p filp=%p\n", __func__, inode, filp); + return -ENOTDIR; +} + +const struct file_operations nfs4_file_operations = { + .llseek = nfs_file_llseek, + .read = do_sync_read, + .write = do_sync_write, + .aio_read = nfs_file_read, + .aio_write = nfs_file_write, + .mmap = nfs_file_mmap, + .open = nfs4_file_open, + .flush = nfs_file_flush, + .release = nfs_file_release, + .fsync = nfs_file_fsync, + .lock = nfs_lock, + .flock = nfs_flock, + .splice_read = nfs_file_splice_read, + .splice_write = nfs_file_splice_write, + .check_flags = nfs_check_flags, + .setlease = nfs_setlease, +}; +#endif /* CONFIG_NFS_V4 */ diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index c07a55a..50a15fa 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -291,7 +291,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) */ inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->file_inode_ops; if (S_ISREG(inode->i_mode)) { - inode->i_fop = &nfs_file_operations; + inode->i_fop = NFS_SB(sb)->nfs_client->rpc_ops->file_ops; inode->i_data.a_ops = &nfs_file_aops; inode->i_data.backing_dev_info = &NFS_SB(sb)->backing_dev_info; } else if (S_ISDIR(inode->i_mode)) { diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index c1a1bd8..3f4d957 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -299,6 +299,8 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata); extern int nfs_generic_pagein(struct nfs_pageio_descriptor *desc, struct list_head *head); +extern void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio, + struct inode *inode); extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio); extern void nfs_readdata_release(struct nfs_read_data *rdata); diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 85f1690..d4bc9ed9 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -853,6 +853,7 @@ const struct nfs_rpc_ops nfs_v3_clientops = { .dentry_ops = &nfs_dentry_operations, .dir_inode_ops = &nfs3_dir_inode_operations, .file_inode_ops = &nfs3_file_inode_operations, + .file_ops = &nfs_file_operations, .getroot = nfs3_proc_get_root, .getattr = nfs3_proc_getattr, .setattr = nfs3_proc_setattr, diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index b60fddf..be2bbac 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2464,8 +2464,7 @@ static int nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qst case -NFS4ERR_BADNAME: return -ENOENT; case -NFS4ERR_MOVED: - err = nfs4_get_referral(dir, name, fattr, fhandle); - break; + return nfs4_get_referral(dir, name, fattr, fhandle); case -NFS4ERR_WRONGSEC: nfs_fixup_secinfo_attributes(fattr, fhandle); } @@ -6253,6 +6252,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = { .dentry_ops = &nfs4_dentry_operations, .dir_inode_ops = &nfs4_dir_inode_operations, .file_inode_ops = &nfs4_file_inode_operations, + .file_ops = &nfs4_file_operations, .getroot = nfs4_proc_get_root, .getattr = nfs4_proc_getattr, .setattr = nfs4_proc_setattr, diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index baf7353..8e672a2 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1260,6 +1260,25 @@ pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc) } EXPORT_SYMBOL_GPL(pnfs_generic_pg_writepages); +static void pnfs_ld_handle_read_error(struct nfs_read_data *data) +{ + struct nfs_pageio_descriptor pgio; + + put_lseg(data->lseg); + data->lseg = NULL; + dprintk("pnfs write error = %d\n", data->pnfs_error); + + nfs_pageio_init_read_mds(&pgio, data->inode); + + while (!list_empty(&data->pages)) { + struct nfs_page *req = nfs_list_entry(data->pages.next); + + nfs_list_remove_request(req); + nfs_pageio_add_request(&pgio, req); + } + nfs_pageio_complete(&pgio); +} + /* * Called by non rpc-based layout drivers */ @@ -1268,11 +1287,8 @@ void pnfs_ld_read_done(struct nfs_read_data *data) if (likely(!data->pnfs_error)) { __nfs4_read_done_cb(data); data->mds_ops->rpc_call_done(&data->task, data); - } else { - put_lseg(data->lseg); - data->lseg = NULL; - dprintk("pnfs write error = %d\n", data->pnfs_error); - } + } else + pnfs_ld_handle_read_error(data); data->mds_ops->rpc_release(data); } EXPORT_SYMBOL_GPL(pnfs_ld_read_done); diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index ac40b85..f48125d 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -710,6 +710,7 @@ const struct nfs_rpc_ops nfs_v2_clientops = { .dentry_ops = &nfs_dentry_operations, .dir_inode_ops = &nfs_dir_inode_operations, .file_inode_ops = &nfs_file_inode_operations, + .file_ops = &nfs_file_operations, .getroot = nfs_proc_get_root, .getattr = nfs_proc_getattr, .setattr = nfs_proc_setattr, diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 8b48ec6..cfa175c 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -109,7 +109,7 @@ static void nfs_readpage_truncate_uninitialised_page(struct nfs_read_data *data) } } -static void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio, +void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio, struct inode *inode) { nfs_pageio_init(pgio, inode, &nfs_pageio_read_ops, @@ -534,23 +534,13 @@ static void nfs_readpage_result_full(struct rpc_task *task, void *calldata) static void nfs_readpage_release_full(void *calldata) { struct nfs_read_data *data = calldata; - struct nfs_pageio_descriptor pgio; - if (data->pnfs_error) { - nfs_pageio_init_read_mds(&pgio, data->inode); - pgio.pg_recoalesce = 1; - } while (!list_empty(&data->pages)) { struct nfs_page *req = nfs_list_entry(data->pages.next); nfs_list_remove_request(req); - if (!data->pnfs_error) - nfs_readpage_release(req); - else - nfs_pageio_add_request(&pgio, req); + nfs_readpage_release(req); } - if (data->pnfs_error) - nfs_pageio_complete(&pgio); nfs_readdata_release(calldata); } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 480b3b6..1347774 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2787,43 +2787,18 @@ static void nfs_referral_loop_unprotect(void) static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, const char *export_path) { - struct mnt_namespace *ns_private; - struct super_block *s; struct dentry *dentry; - struct path path; - int ret; - - ns_private = create_mnt_ns(root_mnt); - ret = PTR_ERR(ns_private); - if (IS_ERR(ns_private)) - goto out_mntput; - - ret = nfs_referral_loop_protect(); - if (ret != 0) - goto out_put_mnt_ns; + int ret = nfs_referral_loop_protect(); - ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt, - export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path); + if (ret) { + mntput(root_mnt); + return ERR_PTR(ret); + } + dentry = mount_subtree(root_mnt, export_path); nfs_referral_loop_unprotect(); - put_mnt_ns(ns_private); - - if (ret != 0) - goto out_err; - - s = path.mnt->mnt_sb; - atomic_inc(&s->s_active); - dentry = dget(path.dentry); - path_put(&path); - down_write(&s->s_umount); return dentry; -out_put_mnt_ns: - put_mnt_ns(ns_private); -out_mntput: - mntput(root_mnt); -out_err: - return ERR_PTR(ret); } static struct dentry *nfs4_try_mount(int flags, const char *dev_name, diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 5cff443..0bbb1a4 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -674,7 +674,8 @@ xfs_qm_dqattach_one( * disk and we didn't ask it to allocate; * ESRCH if quotas got turned off suddenly. */ - error = xfs_qm_dqget(ip->i_mount, ip, id, type, XFS_QMOPT_DOWARN, &dqp); + error = xfs_qm_dqget(ip->i_mount, ip, id, type, + doalloc | XFS_QMOPT_DOWARN, &dqp); if (error) return error; diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h index d30bedf..ddd46db 100644 --- a/include/drm/drm_mode.h +++ b/include/drm/drm_mode.h @@ -235,6 +235,8 @@ struct drm_mode_fb_cmd { #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 #define DRM_MODE_FB_DIRTY_FLAGS 0x03 +#define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 + /* * Mark a region of a framebuffer as dirty. * diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 3d53efd..f81676f 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -4,6 +4,7 @@ */ #define radeon_PCI_IDS \ {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ + {0x1002, 0x3151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -55,6 +56,7 @@ {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \ {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \ {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \ + {0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \ {0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h index b65be60..be94be6 100644 --- a/include/drm/radeon_drm.h +++ b/include/drm/radeon_drm.h @@ -874,6 +874,10 @@ struct drm_radeon_gem_pwrite { #define RADEON_CHUNK_ID_RELOCS 0x01 #define RADEON_CHUNK_ID_IB 0x02 +#define RADEON_CHUNK_ID_FLAGS 0x03 + +/* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */ +#define RADEON_CS_KEEP_TILING_FLAGS 0x01 struct drm_radeon_cs_chunk { uint32_t chunk_id; diff --git a/include/linux/bio.h b/include/linux/bio.h index a3c071c..847994a 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -211,8 +211,8 @@ extern void bio_pair_release(struct bio_pair *dbio); extern struct bio_set *bioset_create(unsigned int, unsigned int); extern void bioset_free(struct bio_set *); -extern struct bio *bio_alloc(gfp_t, int); -extern struct bio *bio_kmalloc(gfp_t, int); +extern struct bio *bio_alloc(gfp_t, unsigned int); +extern struct bio *bio_kmalloc(gfp_t, unsigned int); extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *); extern void bio_put(struct bio *); extern void bio_free(struct bio *, struct bio_set *); @@ -519,7 +519,11 @@ extern void bio_integrity_init(void); #define bioset_integrity_create(a, b) (0) #define bio_integrity_prep(a) (0) #define bio_integrity_enabled(a) (0) -#define bio_integrity_clone(a, b, c, d) (0) +static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src, + gfp_t gfp_mask, struct bio_set *bs) +{ + return 0; +} #define bioset_integrity_free(a) do { } while (0) #define bio_integrity_free(a, b) do { } while (0) #define bio_integrity_endio(a, b) do { } while (0) diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index f88eacb..7c05ac2 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -10,6 +10,12 @@ #include "osdmap.h" #include "messenger.h" +/* + * Maximum object name size + * (must be at least as big as RBD_MAX_MD_NAME_LEN -- currently 100) + */ +#define MAX_OBJ_NAME_SIZE 100 + struct ceph_msg; struct ceph_snap_context; struct ceph_osd_request; @@ -75,7 +81,7 @@ struct ceph_osd_request { struct inode *r_inode; /* for use by callbacks */ void *r_priv; /* ditto */ - char r_oid[40]; /* object name */ + char r_oid[MAX_OBJ_NAME_SIZE]; /* object name */ int r_oid_len; unsigned long r_stamp; /* send OR check time */ diff --git a/include/linux/device.h b/include/linux/device.h index ffbcf95..3136ede 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -69,7 +69,7 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *); * @resume: Called to bring a device on this bus out of sleep mode. * @pm: Power management operations of this bus, callback the specific * device driver's pm-ops. - * @iommu_ops IOMMU specific operations for this bus, used to attach IOMMU + * @iommu_ops: IOMMU specific operations for this bus, used to attach IOMMU * driver implementations to a bus and allow the driver to do * bus-specific setup * @p: The private data of the driver core, only the driver core can @@ -682,6 +682,11 @@ static inline bool device_async_suspend_enabled(struct device *dev) return !!dev->power.async_suspend; } +static inline void pm_suspend_ignore_children(struct device *dev, bool enable) +{ + dev->power.ignore_children = enable; +} + static inline void device_lock(struct device *dev) { mutex_lock(&dev->mutex); diff --git a/include/linux/fs.h b/include/linux/fs.h index 0c4df26..e313022 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1886,6 +1886,7 @@ extern struct dentry *mount_single(struct file_system_type *fs_type, extern struct dentry *mount_nodev(struct file_system_type *fs_type, int flags, void *data, int (*fill_super)(struct super_block *, void *, int)); +extern struct dentry *mount_subtree(struct vfsmount *mnt, const char *path); void generic_shutdown_super(struct super_block *sb); void kill_block_super(struct super_block *sb); void kill_anon_super(struct super_block *sb); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9de31bc..6d18f35 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -21,8 +21,6 @@ #define dev_to_part(device) container_of((device), struct hd_struct, __dev) #define disk_to_dev(disk) (&(disk)->part0.__dev) #define part_to_dev(part) (&((part)->__dev)) -#define alias_name(disk) ((disk)->alias ? (disk)->alias : \ - (disk)->disk_name) extern struct device_type part_type; extern struct kobject *block_depr; @@ -60,7 +58,6 @@ enum { #define DISK_MAX_PARTS 256 #define DISK_NAME_LEN 32 -#define ALIAS_LEN 256 #include <linux/major.h> #include <linux/device.h> @@ -166,7 +163,6 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[DISK_NAME_LEN]; /* name of major driver */ - char *alias; /* alias name of disk */ char *(*devnode)(struct gendisk *gd, mode_t *mode); unsigned int events; /* supported events */ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 19644e0..d9d6c86 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -110,11 +110,6 @@ static inline void copy_huge_page(struct page *dst, struct page *src) #define hugetlb_change_protection(vma, address, end, newprot) -#ifndef HPAGE_MASK -#define HPAGE_MASK PAGE_MASK /* Keep the compiler happy */ -#define HPAGE_SIZE PAGE_SIZE -#endif - #endif /* !CONFIG_HUGETLB_PAGE */ #define HUGETLB_ANON_FILE "anon_hugepage" diff --git a/include/linux/i2c.h b/include/linux/i2c.h index a81bf6d..07d103a 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -432,9 +432,6 @@ void i2c_unlock_adapter(struct i2c_adapter *); /* Internal numbers to terminate lists */ #define I2C_CLIENT_END 0xfffeU -/* The numbers to use to set I2C bus address */ -#define ANY_I2C_BUS 0xffff - /* Construct an I2C_CLIENT_END-terminated array of i2c addresses */ #define I2C_ADDRS(addr, addrs...) \ ((const unsigned short []){ addr, ## addrs, I2C_CLIENT_END }) diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h index 80b480c..abf5028 100644 --- a/include/linux/inet_diag.h +++ b/include/linux/inet_diag.h @@ -98,9 +98,10 @@ enum { INET_DIAG_VEGASINFO, INET_DIAG_CONG, INET_DIAG_TOS, + INET_DIAG_TCLASS, }; -#define INET_DIAG_MAX INET_DIAG_TOS +#define INET_DIAG_MAX INET_DIAG_TCLASS /* INET_DIAG_MEM */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 08ffab0..94b1e35 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -184,7 +184,6 @@ extern struct cred init_cred; [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \ }, \ .thread_group = LIST_HEAD_INIT(tsk.thread_group), \ - .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \ INIT_IDS \ INIT_PERF_EVENTS(tsk) \ INIT_TRACE_IRQFLAGS \ diff --git a/include/linux/kvm.h b/include/linux/kvm.h index f47fcd3..c3892fc 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -555,7 +555,6 @@ struct kvm_ppc_pvinfo { #define KVM_CAP_PPC_SMT 64 #define KVM_CAP_PPC_RMA 65 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ -#define KVM_CAP_PPC_HIOR 67 #define KVM_CAP_PPC_PAPR 68 #define KVM_CAP_S390_GMAP 71 diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index ab2c634..92ecf55 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -410,6 +410,9 @@ extern const struct inode_operations nfs_file_inode_operations; extern const struct inode_operations nfs3_file_inode_operations; #endif /* CONFIG_NFS_V3 */ extern const struct file_operations nfs_file_operations; +#ifdef CONFIG_NFS_V4 +extern const struct file_operations nfs4_file_operations; +#endif /* CONFIG_NFS_V4 */ extern const struct address_space_operations nfs_file_aops; extern const struct address_space_operations nfs_dir_aops; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index c74595b..2a7c533 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1192,6 +1192,7 @@ struct nfs_rpc_ops { const struct dentry_operations *dentry_ops; const struct inode_operations *dir_inode_ops; const struct inode_operations *file_inode_ops; + const struct file_operations *file_ops; int (*getroot) (struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h index e3d0b38..7ef6872 100644 --- a/include/linux/pci-ats.h +++ b/include/linux/pci-ats.h @@ -12,7 +12,7 @@ struct pci_ats { unsigned int is_enabled:1; /* Enable bit is set */ }; -#ifdef CONFIG_PCI_IOV +#ifdef CONFIG_PCI_ATS extern int pci_enable_ats(struct pci_dev *dev, int ps); extern void pci_disable_ats(struct pci_dev *dev); @@ -29,7 +29,7 @@ static inline int pci_ats_enabled(struct pci_dev *dev) return dev->ats && dev->ats->is_enabled; } -#else /* CONFIG_PCI_IOV */ +#else /* CONFIG_PCI_ATS */ static inline int pci_enable_ats(struct pci_dev *dev, int ps) { @@ -50,7 +50,7 @@ static inline int pci_ats_enabled(struct pci_dev *dev) return 0; } -#endif /* CONFIG_PCI_IOV */ +#endif /* CONFIG_PCI_ATS */ #ifdef CONFIG_PCI_PRI diff --git a/include/linux/pci.h b/include/linux/pci.h index 337df0d5..7cda65b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -338,7 +338,7 @@ struct pci_dev { struct list_head msi_list; #endif struct pci_vpd *vpd; -#ifdef CONFIG_PCI_IOV +#ifdef CONFIG_PCI_ATS union { struct pci_sriov *sriov; /* SR-IOV capability related */ struct pci_dev *physfn; /* the PF this VF is associated with */ diff --git a/include/linux/pm.h b/include/linux/pm.h index f15acb6..5c4c8b1 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -447,6 +447,7 @@ struct dev_pm_info { unsigned int async_suspend:1; bool is_prepared:1; /* Owned by the PM core */ bool is_suspended:1; /* Ditto */ + bool ignore_children:1; spinlock_t lock; #ifdef CONFIG_PM_SLEEP struct list_head entry; @@ -464,7 +465,6 @@ struct dev_pm_info { atomic_t usage_count; atomic_t child_count; unsigned int disable_depth:3; - unsigned int ignore_children:1; unsigned int idle_notification:1; unsigned int request_pending:1; unsigned int deferred_resume:1; diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index d8d9036..d3085e7 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -52,11 +52,6 @@ static inline bool pm_children_suspended(struct device *dev) || !atomic_read(&dev->power.child_count); } -static inline void pm_suspend_ignore_children(struct device *dev, bool enable) -{ - dev->power.ignore_children = enable; -} - static inline void pm_runtime_get_noresume(struct device *dev) { atomic_inc(&dev->power.usage_count); @@ -130,7 +125,6 @@ static inline void pm_runtime_allow(struct device *dev) {} static inline void pm_runtime_forbid(struct device *dev) {} static inline bool pm_children_suspended(struct device *dev) { return false; } -static inline void pm_suspend_ignore_children(struct device *dev, bool en) {} static inline void pm_runtime_get_noresume(struct device *dev) {} static inline void pm_runtime_put_noidle(struct device *dev) {} static inline bool device_run_wake(struct device *dev) { return false; } diff --git a/include/linux/sched.h b/include/linux/sched.h index 68daf4f..1c4f3e9 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1521,7 +1521,6 @@ struct task_struct { #ifdef CONFIG_FAULT_INJECTION int make_it_fail; #endif - struct prop_local_single dirties; /* * when (nr_dirtied >= nr_dirtied_pause), it's time to call * balance_dirty_pages() for some dirty throttling pause diff --git a/include/linux/serial.h b/include/linux/serial.h index 97ff8e2..3d86517 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -207,13 +207,15 @@ struct serial_icounter_struct { struct serial_rs485 { __u32 flags; /* RS485 feature flags */ -#define SER_RS485_ENABLED (1 << 0) -#define SER_RS485_RTS_ON_SEND (1 << 1) -#define SER_RS485_RTS_AFTER_SEND (1 << 2) -#define SER_RS485_RTS_BEFORE_SEND (1 << 3) +#define SER_RS485_ENABLED (1 << 0) /* If enabled */ +#define SER_RS485_RTS_ON_SEND (1 << 1) /* Logical level for + RTS pin when + sending */ +#define SER_RS485_RTS_AFTER_SEND (1 << 2) /* Logical level for + RTS pin after sent*/ #define SER_RS485_RX_DURING_TX (1 << 4) - __u32 delay_rts_before_send; /* Milliseconds */ - __u32 delay_rts_after_send; /* Milliseconds */ + __u32 delay_rts_before_send; /* Delay before send (milliseconds) */ + __u32 delay_rts_after_send; /* Delay after send (milliseconds) */ __u32 padding[5]; /* Memory is cheap, new structs are a royal PITA .. */ }; diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index add4790..e9e72bd 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -85,6 +85,8 @@ * @reset: reset the device * vdev: the virtio device * After this, status and feature negotiation must be done again + * Device must not be reset from its vq/config callbacks, or in + * parallel with being added/removed. * @find_vqs: find virtqueues and instantiate them. * vdev: the virtio_device * nvqs: the number of virtqueues to find diff --git a/include/linux/virtio_mmio.h b/include/linux/virtio_mmio.h index 27c7ede..5c7b6f0 100644 --- a/include/linux/virtio_mmio.h +++ b/include/linux/virtio_mmio.h @@ -63,7 +63,7 @@ #define VIRTIO_MMIO_GUEST_FEATURES 0x020 /* Activated features set selector - Write Only */ -#define VIRTIO_MMIO_GUEST_FEATURES_SET 0x024 +#define VIRTIO_MMIO_GUEST_FEATURES_SEL 0x024 /* Guest's memory page size in bytes - Write Only */ #define VIRTIO_MMIO_GUEST_PAGE_SIZE 0x028 diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 687fb11..4bde182 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -119,7 +119,7 @@ unmap_kernel_range(unsigned long addr, unsigned long size) #endif /* Allocate/destroy a 'vmalloc' VM area. */ -extern struct vm_struct *alloc_vm_area(size_t size); +extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes); extern void free_vm_area(struct vm_struct *area); /* for /dev/kmem */ diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index ab90ae0..6cc18f3 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -39,8 +39,11 @@ #define L2CAP_DEFAULT_ACK_TO 200 #define L2CAP_LE_DEFAULT_MTU 23 -#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */ -#define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */ +#define L2CAP_DISC_TIMEOUT (100) +#define L2CAP_DISC_REJ_TIMEOUT (5000) /* 5 seconds */ +#define L2CAP_ENC_TIMEOUT (5000) /* 5 seconds */ +#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */ +#define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */ /* L2CAP socket address */ struct sockaddr_l2 { diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 92cf1c2..95852e3 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -456,6 +456,9 @@ enum station_parameters_apply_mask { * as the AC bitmap in the QoS info field * @max_sp: max Service Period. same format as the MAX_SP in the * QoS info field (but already shifted down) + * @sta_modify_mask: bitmap indicating which parameters changed + * (for those that don't have a natural "no change" value), + * see &enum station_parameters_apply_mask */ struct station_parameters { u8 *supported_rates; @@ -615,6 +618,7 @@ struct sta_bss_parameters { * user space MLME/SME implementation. The information is provided for * the cfg80211_new_sta() calls to notify user space of the IEs. * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets. + * @sta_flags: station flags mask & values */ struct station_info { u32 filled; diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h index a785a3b..438c256 100644 --- a/include/xen/platform_pci.h +++ b/include/xen/platform_pci.h @@ -29,8 +29,7 @@ static inline int xen_must_unplug_nics(void) { #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \ defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \ - (defined(CONFIG_XEN_PLATFORM_PCI) || \ - defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) + defined(CONFIG_XEN_PVHVM) return 1; #else return 0; @@ -40,8 +39,7 @@ static inline int xen_must_unplug_nics(void) { static inline int xen_must_unplug_disks(void) { #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \ defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \ - (defined(CONFIG_XEN_PLATFORM_PCI) || \ - defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) + defined(CONFIG_XEN_PVHVM) return 1; #else return 0; diff --git a/kernel/fork.c b/kernel/fork.c index ba0d172..da4a6a1 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -162,7 +162,6 @@ static void account_kernel_stack(struct thread_info *ti, int account) void free_task(struct task_struct *tsk) { - prop_local_destroy_single(&tsk->dirties); account_kernel_stack(tsk->stack, -1); free_thread_info(tsk->stack); rt_mutex_debug_task_free(tsk); @@ -274,10 +273,6 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) tsk->stack = ti; - err = prop_local_init_single(&tsk->dirties); - if (err) - goto out; - setup_thread_stack(tsk, orig); clear_user_return_notifier(tsk); clear_tsk_need_resched(tsk); diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index aa57d5d..b5f4742 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -115,7 +115,7 @@ static int misrouted_irq(int irq) struct irq_desc *desc; int i, ok = 0; - if (atomic_inc_return(&irq_poll_active) == 1) + if (atomic_inc_return(&irq_poll_active) != 1) goto out; irq_poll_cpu = smp_processor_id(); diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index b4511b6..196c0126 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -55,6 +55,8 @@ enum { static int hibernation_mode = HIBERNATION_SHUTDOWN; +static bool freezer_test_done; + static const struct platform_hibernation_ops *hibernation_ops; /** @@ -347,6 +349,17 @@ int hibernation_snapshot(int platform_mode) if (error) goto Close; + if (hibernation_test(TEST_FREEZER) || + hibernation_testmode(HIBERNATION_TESTPROC)) { + + /* + * Indicate to the caller that we are returning due to a + * successful freezer test. + */ + freezer_test_done = true; + goto Close; + } + error = dpm_prepare(PMSG_FREEZE); if (error) goto Complete_devices; @@ -641,15 +654,13 @@ int hibernate(void) if (error) goto Finish; - if (hibernation_test(TEST_FREEZER)) - goto Thaw; - - if (hibernation_testmode(HIBERNATION_TESTPROC)) - goto Thaw; - error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM); if (error) goto Thaw; + if (freezer_test_done) { + freezer_test_done = false; + goto Thaw; + } if (in_suspend) { unsigned int flags = 0; diff --git a/kernel/power/main.c b/kernel/power/main.c index 71f49fe..36e0f09 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -290,13 +290,14 @@ static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr, if (*s && len == strlen(*s) && !strncmp(buf, *s, len)) break; } - if (state < PM_SUSPEND_MAX && *s) + if (state < PM_SUSPEND_MAX && *s) { error = enter_state(state); if (error) { suspend_stats.fail++; dpm_save_failed_errno(error); } else suspend_stats.success++; + } #endif Exit: diff --git a/mm/backing-dev.c b/mm/backing-dev.c index a086064..71034f4 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -724,6 +724,14 @@ void bdi_destroy(struct backing_dev_info *bdi) bdi_unregister(bdi); + /* + * If bdi_unregister() had already been called earlier, the + * wakeup_timer could still be armed because bdi_prune_sb() + * can race with the bdi_wakeup_thread_delayed() calls from + * __mark_inode_dirty(). + */ + del_timer_sync(&bdi->wb.wakeup_timer); + for (i = 0; i < NR_BDI_STAT_ITEMS; i++) percpu_counter_destroy(&bdi->bdi_stat[i]); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index dae27ba..bb28a5f 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2422,6 +2422,8 @@ retry_avoidcopy: * anon_vma prepared. */ if (unlikely(anon_vma_prepare(vma))) { + page_cache_release(new_page); + page_cache_release(old_page); /* Caller expects lock to be held */ spin_lock(&mm->page_table_lock); return VM_FAULT_OOM; @@ -454,7 +454,7 @@ void __attribute__((weak)) vmalloc_sync_all(void) * between processes, it syncs the pagetable across all * processes. */ -struct vm_struct *alloc_vm_area(size_t size) +struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes) { BUG(); return NULL; diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 471dedb..76f2c5a 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -185,6 +185,11 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem, if (!p) return 0; + if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) { + task_unlock(p); + return 0; + } + /* * The memory controller may have a limit of 0 bytes, so avoid a divide * by zero, if necessary. diff --git a/mm/page-writeback.c b/mm/page-writeback.c index a3278f0..7125248 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -128,7 +128,6 @@ unsigned long global_dirty_limit; * */ static struct prop_descriptor vm_completions; -static struct prop_descriptor vm_dirties; /* * couple the period to the dirty_ratio: @@ -154,7 +153,6 @@ static void update_completion_period(void) { int shift = calc_period_shift(); prop_change_shift(&vm_completions, shift); - prop_change_shift(&vm_dirties, shift); writeback_set_ratelimit(); } @@ -235,11 +233,6 @@ void bdi_writeout_inc(struct backing_dev_info *bdi) } EXPORT_SYMBOL_GPL(bdi_writeout_inc); -void task_dirty_inc(struct task_struct *tsk) -{ - prop_inc_single(&vm_dirties, &tsk->dirties); -} - /* * Obtain an accurate fraction of the BDI's portion. */ @@ -1133,17 +1126,17 @@ pause: pages_dirtied, pause, start_time); - __set_current_state(TASK_UNINTERRUPTIBLE); + __set_current_state(TASK_KILLABLE); io_schedule_timeout(pause); - dirty_thresh = hard_dirty_limit(dirty_thresh); /* - * max-pause area. If dirty exceeded but still within this - * area, no need to sleep for more than 200ms: (a) 8 pages per - * 200ms is typically more than enough to curb heavy dirtiers; - * (b) the pause time limit makes the dirtiers more responsive. + * This is typically equal to (nr_dirty < dirty_thresh) and can + * also keep "1000+ dd on a slow USB stick" under control. */ - if (nr_dirty < dirty_thresh) + if (task_ratelimit) + break; + + if (fatal_signal_pending(current)) break; } @@ -1395,7 +1388,6 @@ void __init page_writeback_init(void) shift = calc_period_shift(); prop_descriptor_init(&vm_completions, shift); - prop_descriptor_init(&vm_dirties, shift); } /** @@ -1724,7 +1716,6 @@ void account_page_dirtied(struct page *page, struct address_space *mapping) __inc_zone_page_state(page, NR_DIRTIED); __inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE); __inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED); - task_dirty_inc(current); task_io_account_write(PAGE_CACHE_SIZE); } } diff --git a/mm/vmalloc.c b/mm/vmalloc.c index b669aa6..3231bf3 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2141,23 +2141,30 @@ void __attribute__((weak)) vmalloc_sync_all(void) static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data) { - /* apply_to_page_range() does all the hard work. */ + pte_t ***p = data; + + if (p) { + *(*p) = pte; + (*p)++; + } return 0; } /** * alloc_vm_area - allocate a range of kernel address space * @size: size of the area + * @ptes: returns the PTEs for the address space * * Returns: NULL on failure, vm_struct on success * * This function reserves a range of kernel address space, and * allocates pagetables to map that range. No actual mappings - * are created. If the kernel address space is not shared - * between processes, it syncs the pagetable across all - * processes. + * are created. + * + * If @ptes is non-NULL, pointers to the PTEs (in init_mm) + * allocated for the VM area are returned. */ -struct vm_struct *alloc_vm_area(size_t size) +struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes) { struct vm_struct *area; @@ -2171,19 +2178,11 @@ struct vm_struct *alloc_vm_area(size_t size) * of kernel virtual address space and mapped into init_mm. */ if (apply_to_page_range(&init_mm, (unsigned long)area->addr, - area->size, f, NULL)) { + size, f, ptes ? &ptes : NULL)) { free_vm_area(area); return NULL; } - /* - * If the allocated address space is passed to a hypercall - * before being used then we cannot rely on a page fault to - * trigger an update of the page tables. So sync all the page - * tables here. - */ - vmalloc_sync_all(); - return area; } EXPORT_SYMBOL_GPL(alloc_vm_area); diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index c1c597e..e0af723 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -673,7 +673,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) goto encrypt; auth: - if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) + if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) return 0; if (!hci_conn_auth(conn, sec_level, auth_type)) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 8cd1291..5ea94a1 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -251,7 +251,7 @@ static void l2cap_chan_timeout(unsigned long arg) if (sock_owned_by_user(sk)) { /* sk is owned by user. Try again later */ - __set_chan_timer(chan, HZ / 5); + __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); bh_unlock_sock(sk); chan_put(chan); return; @@ -2488,7 +2488,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd if (sock_owned_by_user(sk)) { l2cap_state_change(chan, BT_DISCONN); __clear_chan_timer(chan); - __set_chan_timer(chan, HZ / 5); + __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); break; } @@ -2661,7 +2661,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr default: sk->sk_err = ECONNRESET; - __set_chan_timer(chan, HZ * 5); + __set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT); l2cap_send_disconn_req(conn, chan, ECONNRESET); goto done; } @@ -2718,7 +2718,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd if (sock_owned_by_user(sk)) { l2cap_state_change(chan, BT_DISCONN); __clear_chan_timer(chan); - __set_chan_timer(chan, HZ / 5); + __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); bh_unlock_sock(sk); return 0; } @@ -2752,7 +2752,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd if (sock_owned_by_user(sk)) { l2cap_state_change(chan,BT_DISCONN); __clear_chan_timer(chan); - __set_chan_timer(chan, HZ / 5); + __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); bh_unlock_sock(sk); return 0; } @@ -3998,7 +3998,7 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt) if (encrypt == 0x00) { if (chan->sec_level == BT_SECURITY_MEDIUM) { __clear_chan_timer(chan); - __set_chan_timer(chan, HZ * 5); + __set_chan_timer(chan, L2CAP_ENC_TIMEOUT); } else if (chan->sec_level == BT_SECURITY_HIGH) l2cap_chan_close(chan, ECONNREFUSED); } else { @@ -4066,7 +4066,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) L2CAP_CONN_REQ, sizeof(req), &req); } else { __clear_chan_timer(chan); - __set_chan_timer(chan, HZ / 10); + __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); } } else if (chan->state == BT_CONNECT2) { struct l2cap_conn_rsp rsp; @@ -4086,7 +4086,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) } } else { l2cap_state_change(chan, BT_DISCONN); - __set_chan_timer(chan, HZ / 10); + __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); res = L2CAP_CR_SEC_BLOCK; stat = L2CAP_CS_NO_INFO; } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 995cbe0..a5f4e57 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1501,6 +1501,8 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, __skb_pull(skb2, offset); skb_reset_transport_header(skb2); + skb_postpull_rcsum(skb2, skb_network_header(skb2), + skb_network_header_len(skb2)); icmp6_type = icmp6_hdr(skb2)->icmp6_type; @@ -1770,7 +1772,7 @@ int br_multicast_toggle(struct net_bridge *br, unsigned long val) int err = 0; struct net_bridge_mdb_htable *mdb; - spin_lock(&br->multicast_lock); + spin_lock_bh(&br->multicast_lock); if (br->multicast_disabled == !val) goto unlock; @@ -1806,7 +1808,7 @@ rollback: } unlock: - spin_unlock(&br->multicast_lock); + spin_unlock_bh(&br->multicast_lock); return err; } diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 733e4600..f4f3f58 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -244,7 +244,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, ceph_pagelist_init(req->r_trail); } /* create request message; allow space for oid */ - msg_size += 40; + msg_size += MAX_OBJ_NAME_SIZE; if (snapc) msg_size += sizeof(u64) * snapc->num_snaps; if (use_mempool) diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index c1f4154..36d1440 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -136,8 +136,6 @@ static void ah_output_done(struct crypto_async_request *base, int err) memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr)); } - err = ah->nexthdr; - kfree(AH_SKB_CB(skb)->tmp); xfrm_output_resume(skb, err); } @@ -264,12 +262,12 @@ static void ah_input_done(struct crypto_async_request *base, int err) if (err) goto out; + err = ah->nexthdr; + skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, ihl); __skb_pull(skb, ah_hlen + ihl); skb_set_transport_header(skb, -ihl); - - err = ah->nexthdr; out: kfree(AH_SKB_CB(skb)->tmp); xfrm_input_resume(skb, err); @@ -371,8 +369,6 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb) if (err == -EINPROGRESS) goto out; - if (err == -EBUSY) - err = NET_XMIT_DROP; goto out_free; } diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index f5e2bda..68e8ac5 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -133,8 +133,8 @@ static int inet_csk_diag_fill(struct sock *sk, &np->rcv_saddr); ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst, &np->daddr); - if (ext & (1 << (INET_DIAG_TOS - 1))) - RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass); + if (ext & (1 << (INET_DIAG_TCLASS - 1))) + RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass); } #endif diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index ec93335..05d20cc 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -640,6 +640,7 @@ int ip_options_rcv_srr(struct sk_buff *skb) } if (srrptr <= srrspace) { opt->srr_is_hit = 1; + iph->daddr = nexthop; opt->is_changed = 1; } return 0; diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index a06f73f..43d4c3b 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -339,7 +339,6 @@ void ping_err(struct sk_buff *skb, u32 info) sk = ping_v4_lookup(net, iph->daddr, iph->saddr, ntohs(icmph->un.echo.id), skb->dev->ifindex); if (sk == NULL) { - ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS); pr_debug("no socket, dropping\n"); return; /* No socket for error */ } @@ -679,7 +678,6 @@ static int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) pr_debug("ping_queue_rcv_skb(sk=%p,sk->num=%d,skb=%p)\n", inet_sk(sk), inet_sk(sk)->inet_num, skb); if (sock_queue_rcv_skb(sk, skb) < 0) { - ICMP_INC_STATS_BH(sock_net(sk), ICMP_MIB_INERRORS); kfree_skb(skb); pr_debug("ping_queue_rcv_skb -> failed\n"); return -1; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 155138d..0c74da8 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1304,16 +1304,42 @@ static void rt_del(unsigned hash, struct rtable *rt) spin_unlock_bh(rt_hash_lock_addr(hash)); } +static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) +{ + struct rtable *rt = (struct rtable *) dst; + __be32 orig_gw = rt->rt_gateway; + struct neighbour *n, *old_n; + + dst_confirm(&rt->dst); + + rt->rt_gateway = peer->redirect_learned.a4; + + n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); + if (IS_ERR(n)) + return PTR_ERR(n); + old_n = xchg(&rt->dst._neighbour, n); + if (old_n) + neigh_release(old_n); + if (!n || !(n->nud_state & NUD_VALID)) { + if (n) + neigh_event_send(n, NULL); + rt->rt_gateway = orig_gw; + return -EAGAIN; + } else { + rt->rt_flags |= RTCF_REDIRECTED; + call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); + } + return 0; +} + /* called in rcu_read_lock() section */ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, __be32 saddr, struct net_device *dev) { int s, i; struct in_device *in_dev = __in_dev_get_rcu(dev); - struct rtable *rt; __be32 skeys[2] = { saddr, 0 }; int ikeys[2] = { dev->ifindex, 0 }; - struct flowi4 fl4; struct inet_peer *peer; struct net *net; @@ -1336,33 +1362,42 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, goto reject_redirect; } - memset(&fl4, 0, sizeof(fl4)); - fl4.daddr = daddr; for (s = 0; s < 2; s++) { for (i = 0; i < 2; i++) { - fl4.flowi4_oif = ikeys[i]; - fl4.saddr = skeys[s]; - rt = __ip_route_output_key(net, &fl4); - if (IS_ERR(rt)) - continue; - - if (rt->dst.error || rt->dst.dev != dev || - rt->rt_gateway != old_gw) { - ip_rt_put(rt); - continue; - } + unsigned int hash; + struct rtable __rcu **rthp; + struct rtable *rt; + + hash = rt_hash(daddr, skeys[s], ikeys[i], rt_genid(net)); + + rthp = &rt_hash_table[hash].chain; + + while ((rt = rcu_dereference(*rthp)) != NULL) { + rthp = &rt->dst.rt_next; + + if (rt->rt_key_dst != daddr || + rt->rt_key_src != skeys[s] || + rt->rt_oif != ikeys[i] || + rt_is_input_route(rt) || + rt_is_expired(rt) || + !net_eq(dev_net(rt->dst.dev), net) || + rt->dst.error || + rt->dst.dev != dev || + rt->rt_gateway != old_gw) + continue; - if (!rt->peer) - rt_bind_peer(rt, rt->rt_dst, 1); + if (!rt->peer) + rt_bind_peer(rt, rt->rt_dst, 1); - peer = rt->peer; - if (peer) { - peer->redirect_learned.a4 = new_gw; - atomic_inc(&__rt_peer_genid); + peer = rt->peer; + if (peer) { + if (peer->redirect_learned.a4 != new_gw) { + peer->redirect_learned.a4 = new_gw; + atomic_inc(&__rt_peer_genid); + } + check_peer_redir(&rt->dst, peer); + } } - - ip_rt_put(rt); - return; } } return; @@ -1649,33 +1684,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu) } } -static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) -{ - struct rtable *rt = (struct rtable *) dst; - __be32 orig_gw = rt->rt_gateway; - struct neighbour *n, *old_n; - - dst_confirm(&rt->dst); - - rt->rt_gateway = peer->redirect_learned.a4; - - n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); - if (IS_ERR(n)) - return PTR_ERR(n); - old_n = xchg(&rt->dst._neighbour, n); - if (old_n) - neigh_release(old_n); - if (!n || !(n->nud_state & NUD_VALID)) { - if (n) - neigh_event_send(n, NULL); - rt->rt_gateway = orig_gw; - return -EAGAIN; - } else { - rt->rt_flags |= RTCF_REDIRECTED; - call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); - } - return 0; -} static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) { @@ -2845,7 +2853,7 @@ static int rt_fill_info(struct net *net, struct rtable *rt = skb_rtable(skb); struct rtmsg *r; struct nlmsghdr *nlh; - long expires = 0; + unsigned long expires = 0; const struct inet_peer *peer = rt->peer; u32 id = 0, ts = 0, tsage = 0, error; @@ -2902,8 +2910,12 @@ static int rt_fill_info(struct net *net, tsage = get_seconds() - peer->tcp_ts_stamp; } expires = ACCESS_ONCE(peer->pmtu_expires); - if (expires) - expires -= jiffies; + if (expires) { + if (time_before(jiffies, expires)) + expires -= jiffies; + else + expires = 0; + } } if (rt_is_input_route(rt)) { diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index a744315..a9db4b1 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1510,6 +1510,7 @@ exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; put_and_exit: + tcp_clear_xmit_timers(newsk); bh_unlock_sock(newsk); sock_put(newsk); goto exit; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 980b98f..63170e29 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp) /* Return 0, if packet can be sent now without violation Nagle's rules: * 1. It is full sized. * 2. Or it contains FIN. (already checked by caller) - * 3. Or TCP_NODELAY was set. + * 3. Or TCP_CORK is not set, and TCP_NODELAY is set. * 4. Or TCP_CORK is not set, and all sent packets are ACKed. * With Minshall's modification: all sent small packets are ACKed. */ diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 2195ae6..4c0f894 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -324,8 +324,6 @@ static void ah6_output_done(struct crypto_async_request *base, int err) #endif } - err = ah->nexthdr; - kfree(AH_SKB_CB(skb)->tmp); xfrm_output_resume(skb, err); } @@ -466,12 +464,12 @@ static void ah6_input_done(struct crypto_async_request *base, int err) if (err) goto out; + err = ah->nexthdr; + skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, hdr_len); __skb_pull(skb, ah_hlen + hdr_len); skb_set_transport_header(skb, -hdr_len); - - err = ah->nexthdr; out: kfree(AH_SKB_CB(skb)->tmp); xfrm_input_resume(skb, err); @@ -583,8 +581,6 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) if (err == -EINPROGRESS) goto out; - if (err == -EBUSY) - err = NET_XMIT_DROP; goto out_free; } diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 027c7ff..a46c64e 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -111,6 +111,14 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt ipv6_addr_loopback(&hdr->daddr)) goto err; + /* + * RFC4291 2.7 + * Multicast addresses must not be used as source addresses in IPv6 + * packets or appear in any Routing header. + */ + if (ipv6_addr_is_multicast(&hdr->saddr)) + goto err; + skb->transport_header = skb->network_header + sizeof(*hdr); IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr); diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index bdc15c9..4e2e9ff 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -289,6 +289,8 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p) if ((err = register_netdevice(dev)) < 0) goto failed_free; + strcpy(t->parms.name, dev->name); + dev_hold(dev); ip6_tnl_link(ip6n, t); return t; @@ -1407,7 +1409,6 @@ ip6_tnl_dev_init_gen(struct net_device *dev) struct ip6_tnl *t = netdev_priv(dev); t->dev = dev; - strcpy(t->parms.name, dev->name); dev->tstats = alloc_percpu(struct pcpu_tstats); if (!dev->tstats) return -ENOMEM; @@ -1487,6 +1488,7 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n) static int __net_init ip6_tnl_init_net(struct net *net) { struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id); + struct ip6_tnl *t = NULL; int err; ip6n->tnls[0] = ip6n->tnls_wc; @@ -1507,6 +1509,10 @@ static int __net_init ip6_tnl_init_net(struct net *net) err = register_netdev(ip6n->fb_tnl_dev); if (err < 0) goto err_register; + + t = netdev_priv(ip6n->fb_tnl_dev); + + strcpy(t->parms.name, ip6n->fb_tnl_dev->name); return 0; err_register: diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index bf8d50c..cf0f308 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -756,9 +756,6 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, goto error; } - /* Point to L2TP header */ - optr = ptr = skb->data; - /* Trace packet contents, if enabled */ if (tunnel->debug & L2TP_MSG_DATA) { length = min(32u, skb->len); @@ -769,12 +766,15 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, offset = 0; do { - printk(" %02X", ptr[offset]); + printk(" %02X", skb->data[offset]); } while (++offset < length); printk("\n"); } + /* Point to L2TP header */ + optr = ptr = skb->data; + /* Get L2TP header flags */ hdrflags = ntohs(*(__be16 *) ptr); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 72c8bea..b1b1bb3 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1487,6 +1487,7 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk, int i, j, err; bool have_higher_than_11mbit = false; u16 ap_ht_cap_flags; + int min_rate = INT_MAX, min_rate_index = -1; /* AssocResp and ReassocResp have identical structure */ @@ -1553,6 +1554,10 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk, rates |= BIT(j); if (is_basic) basic_rates |= BIT(j); + if (rate < min_rate) { + min_rate = rate; + min_rate_index = j; + } break; } } @@ -1570,11 +1575,25 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk, rates |= BIT(j); if (is_basic) basic_rates |= BIT(j); + if (rate < min_rate) { + min_rate = rate; + min_rate_index = j; + } break; } } } + /* + * some buggy APs don't advertise basic_rates. use the lowest + * supported rate instead. + */ + if (unlikely(!basic_rates) && min_rate_index >= 0) { + printk(KERN_DEBUG "%s: No basic rates in AssocResp. " + "Using min supported rate instead.\n", sdata->name); + basic_rates = BIT(min_rate_index); + } + sta->sta.supp_rates[wk->chan->band] = rates; sdata->vif.bss_conf.basic_rates = basic_rates; @@ -2269,6 +2288,7 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata) cancel_work_sync(&ifmgd->request_smps_work); + cancel_work_sync(&ifmgd->monitor_work); cancel_work_sync(&ifmgd->beacon_connection_loss_work); if (del_timer_sync(&ifmgd->timer)) set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running); @@ -2277,7 +2297,6 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata) if (del_timer_sync(&ifmgd->chswitch_timer)) set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running); - cancel_work_sync(&ifmgd->monitor_work); /* these will just be re-established on connection */ del_timer_sync(&ifmgd->conn_mon_timer); del_timer_sync(&ifmgd->bcn_mon_timer); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index bb53726..fb123e2 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -141,8 +141,9 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, pos++; /* IEEE80211_RADIOTAP_RATE */ - if (status->flag & RX_FLAG_HT) { + if (!rate || status->flag & RX_FLAG_HT) { /* + * Without rate information don't add it. If we have, * MCS information is a separate field in radiotap, * added below. The byte here is needed as padding * for the channel though, so initialise it to 0. @@ -163,12 +164,14 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, else if (status->flag & RX_FLAG_HT) put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ, pos); - else if (rate->flags & IEEE80211_RATE_ERP_G) + else if (rate && rate->flags & IEEE80211_RATE_ERP_G) put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ, pos); - else + else if (rate) put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ, pos); + else + put_unaligned_le16(IEEE80211_CHAN_2GHZ, pos); pos += 2; /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */ diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index ce962d2..8eaa746 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1354,12 +1354,12 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta, * Use MoreData flag to indicate whether there are * more buffered frames for this STA */ - if (!more_data) - hdr->frame_control &= - cpu_to_le16(~IEEE80211_FCTL_MOREDATA); - else + if (more_data || !skb_queue_empty(&frames)) hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); + else + hdr->frame_control &= + cpu_to_le16(~IEEE80211_FCTL_MOREDATA); if (ieee80211_is_data_qos(hdr->frame_control) || ieee80211_is_qos_nullfunc(hdr->frame_control)) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 51e256c..eca0fad 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -881,6 +881,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, skb = ieee80211_probereq_get(&local->hw, &sdata->vif, ssid, ssid_len, buf, buf_len); + if (!skb) + goto out; if (dst) { mgmt = (struct ieee80211_mgmt *) skb->data; @@ -889,6 +891,8 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, } IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + + out: kfree(buf); return skb; diff --git a/net/rds/Kconfig b/net/rds/Kconfig index 4cf6dc7..ec753b3 100644 --- a/net/rds/Kconfig +++ b/net/rds/Kconfig @@ -9,7 +9,6 @@ config RDS config RDS_RDMA tristate "RDS over Infiniband and iWARP" - select LLIST depends on RDS && INFINIBAND && INFINIBAND_ADDR_TRANS ---help--- Allow RDS to use Infiniband and iWARP as a transport. diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index d7f97ef..2d78d95 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2530,8 +2530,10 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args, int err; err = xs_init_anyaddr(args->dstaddr->sa_family, (struct sockaddr *)&new->srcaddr); - if (err != 0) + if (err != 0) { + xprt_free(xprt); return ERR_PTR(err); + } } return xprt; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 48260c2..b3a476f 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -132,8 +132,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, - [NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY, - .len = NL80211_HT_CAPABILITY_LEN }, + [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, [NL80211_ATTR_IE] = { .type = NLA_BINARY, @@ -1253,6 +1252,12 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) goto bad_res; } + if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { + result = -EINVAL; + goto bad_res; + } + nla_for_each_nested(nl_txq_params, info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], rem_txq_params) { diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 6acba9d..e71f5a6 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2265,6 +2265,9 @@ void /* __init_or_exit */ regulatory_exit(void) kfree(last_request); + last_request = NULL; + dev_set_uevent_suppress(®_pdev->dev, true); + platform_device_unregister(reg_pdev); spin_lock_bh(®_pending_beacons_lock); diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 0fb1424..dc23b31 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -259,17 +259,20 @@ static int cmp_ies(u8 num, u8 *ies1, size_t len1, u8 *ies2, size_t len2) { const u8 *ie1 = cfg80211_find_ie(num, ies1, len1); const u8 *ie2 = cfg80211_find_ie(num, ies2, len2); - int r; + /* equal if both missing */ if (!ie1 && !ie2) return 0; - if (!ie1 || !ie2) + /* sort missing IE before (left of) present IE */ + if (!ie1) return -1; + if (!ie2) + return 1; - r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1])); - if (r == 0 && ie1[1] != ie2[1]) + /* sort by length first, then by contents */ + if (ie1[1] != ie2[1]) return ie2[1] - ie1[1]; - return r; + return memcmp(ie1 + 2, ie2 + 2, ie1[1]); } static bool is_bss(struct cfg80211_bss *a, diff --git a/security/keys/encrypted-keys/Makefile b/security/keys/encrypted-keys/Makefile index 6bc7a86..d6f8433 100644 --- a/security/keys/encrypted-keys/Makefile +++ b/security/keys/encrypted-keys/Makefile @@ -2,5 +2,9 @@ # Makefile for encrypted keys # -obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o ecryptfs_format.o -obj-$(CONFIG_TRUSTED_KEYS) += masterkey_trusted.o +obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted-keys.o + +encrypted-keys-y := encrypted.o ecryptfs_format.o +masterkey-$(CONFIG_TRUSTED_KEYS) := masterkey_trusted.o +masterkey-$(CONFIG_TRUSTED_KEYS)-$(CONFIG_ENCRYPTED_KEYS) := masterkey_trusted.o +encrypted-keys-y += $(masterkey-y) $(masterkey-m-m) diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index dcc843c..41144f7 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -444,7 +444,7 @@ static struct key *request_master_key(struct encrypted_key_payload *epayload, goto out; if (IS_ERR(mkey)) { - int ret = PTR_ERR(epayload); + int ret = PTR_ERR(mkey); if (ret == -ENOTSUPP) pr_info("encrypted_key: key %s not supported", diff --git a/security/keys/encrypted-keys/encrypted.h b/security/keys/encrypted-keys/encrypted.h index b6ade89..8136a2d 100644 --- a/security/keys/encrypted-keys/encrypted.h +++ b/security/keys/encrypted-keys/encrypted.h @@ -2,7 +2,8 @@ #define __ENCRYPTED_KEY_H #define ENCRYPTED_DEBUG 0 -#ifdef CONFIG_TRUSTED_KEYS +#if defined(CONFIG_TRUSTED_KEYS) || \ + (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE)) extern struct key *request_trusted_key(const char *trusted_desc, u8 **master_key, size_t *master_keylen); #else diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index 5b366d7..69ff52c 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -102,7 +102,8 @@ int user_update(struct key *key, const void *data, size_t datalen) key->expiry = 0; } - kfree_rcu(zap, rcu); + if (zap) + kfree_rcu(zap, rcu); error: return ret; diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 6aceef5..5c32f36 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -102,9 +102,6 @@ static int smk_cipso_doi_value = SMACK_CIPSO_DOI_DEFAULT; const char *smack_cipso_option = SMACK_CIPSO_OPTION; - -#define SEQ_READ_FINISHED ((loff_t)-1) - /* * Values for parsing cipso rules * SMK_DIGITLEN: Length of a digit field in a rule. @@ -357,10 +354,12 @@ static ssize_t smk_write_load_list(struct file *file, const char __user *buf, rc = count; /* + * If this is "load" as opposed to "load-self" and a new rule + * it needs to get added for reporting. * smk_set_access returns true if there was already a rule * for the subject/object pair, and false if it was new. */ - if (!smk_set_access(rule, rule_list, rule_lock)) { + if (load && !smk_set_access(rule, rule_list, rule_lock)) { smlp = kzalloc(sizeof(*smlp), GFP_KERNEL); if (smlp != NULL) { smlp->smk_rule = rule; @@ -377,12 +376,12 @@ out: return rc; } - /* - * Seq_file read operations for /smack/load + * Core logic for smackfs seq list operations. */ -static void *load_seq_start(struct seq_file *s, loff_t *pos) +static void *smk_seq_start(struct seq_file *s, loff_t *pos, + struct list_head *head) { struct list_head *list; @@ -390,7 +389,7 @@ static void *load_seq_start(struct seq_file *s, loff_t *pos) * This is 0 the first time through. */ if (s->index == 0) - s->private = &smack_rule_list; + s->private = head; if (s->private == NULL) return NULL; @@ -404,11 +403,12 @@ static void *load_seq_start(struct seq_file *s, loff_t *pos) return list; } -static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos) +static void *smk_seq_next(struct seq_file *s, void *v, loff_t *pos, + struct list_head *head) { struct list_head *list = v; - if (list_is_last(list, &smack_rule_list)) { + if (list_is_last(list, head)) { s->private = NULL; return NULL; } @@ -416,6 +416,25 @@ static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos) return list->next; } +static void smk_seq_stop(struct seq_file *s, void *v) +{ + /* No-op */ +} + +/* + * Seq_file read operations for /smack/load + */ + +static void *load_seq_start(struct seq_file *s, loff_t *pos) +{ + return smk_seq_start(s, pos, &smack_rule_list); +} + +static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos) +{ + return smk_seq_next(s, v, pos, &smack_rule_list); +} + static int load_seq_show(struct seq_file *s, void *v) { struct list_head *list = v; @@ -446,16 +465,11 @@ static int load_seq_show(struct seq_file *s, void *v) return 0; } -static void load_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations load_seq_ops = { .start = load_seq_start, .next = load_seq_next, .show = load_seq_show, - .stop = load_seq_stop, + .stop = smk_seq_stop, }; /** @@ -574,28 +588,12 @@ static void smk_unlbl_ambient(char *oldambient) static void *cipso_seq_start(struct seq_file *s, loff_t *pos) { - if (*pos == SEQ_READ_FINISHED) - return NULL; - if (list_empty(&smack_known_list)) - return NULL; - - return smack_known_list.next; + return smk_seq_start(s, pos, &smack_known_list); } static void *cipso_seq_next(struct seq_file *s, void *v, loff_t *pos) { - struct list_head *list = v; - - /* - * labels with no associated cipso value wont be printed - * in cipso_seq_show - */ - if (list_is_last(list, &smack_known_list)) { - *pos = SEQ_READ_FINISHED; - return NULL; - } - - return list->next; + return smk_seq_next(s, v, pos, &smack_known_list); } /* @@ -634,16 +632,11 @@ static int cipso_seq_show(struct seq_file *s, void *v) return 0; } -static void cipso_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations cipso_seq_ops = { .start = cipso_seq_start, - .stop = cipso_seq_stop, .next = cipso_seq_next, .show = cipso_seq_show, + .stop = smk_seq_stop, }; /** @@ -788,23 +781,12 @@ static const struct file_operations smk_cipso_ops = { static void *netlbladdr_seq_start(struct seq_file *s, loff_t *pos) { - if (*pos == SEQ_READ_FINISHED) - return NULL; - if (list_empty(&smk_netlbladdr_list)) - return NULL; - return smk_netlbladdr_list.next; + return smk_seq_start(s, pos, &smk_netlbladdr_list); } static void *netlbladdr_seq_next(struct seq_file *s, void *v, loff_t *pos) { - struct list_head *list = v; - - if (list_is_last(list, &smk_netlbladdr_list)) { - *pos = SEQ_READ_FINISHED; - return NULL; - } - - return list->next; + return smk_seq_next(s, v, pos, &smk_netlbladdr_list); } #define BEBITS (sizeof(__be32) * 8) @@ -828,16 +810,11 @@ static int netlbladdr_seq_show(struct seq_file *s, void *v) return 0; } -static void netlbladdr_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations netlbladdr_seq_ops = { .start = netlbladdr_seq_start, - .stop = netlbladdr_seq_stop, .next = netlbladdr_seq_next, .show = netlbladdr_seq_show, + .stop = smk_seq_stop, }; /** @@ -1405,23 +1382,14 @@ static void *load_self_seq_start(struct seq_file *s, loff_t *pos) { struct task_smack *tsp = current_security(); - if (*pos == SEQ_READ_FINISHED) - return NULL; - if (list_empty(&tsp->smk_rules)) - return NULL; - return tsp->smk_rules.next; + return smk_seq_start(s, pos, &tsp->smk_rules); } static void *load_self_seq_next(struct seq_file *s, void *v, loff_t *pos) { struct task_smack *tsp = current_security(); - struct list_head *list = v; - if (list_is_last(list, &tsp->smk_rules)) { - *pos = SEQ_READ_FINISHED; - return NULL; - } - return list->next; + return smk_seq_next(s, v, pos, &tsp->smk_rules); } static int load_self_seq_show(struct seq_file *s, void *v) @@ -1453,16 +1421,11 @@ static int load_self_seq_show(struct seq_file *s, void *v) return 0; } -static void load_self_seq_stop(struct seq_file *s, void *v) -{ - /* No-op */ -} - static const struct seq_operations load_self_seq_ops = { .start = load_self_seq_start, .next = load_self_seq_next, .show = load_self_seq_show, - .stop = load_self_seq_stop, + .stop = smk_seq_stop, }; diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c index 1c8ddf5..7ae7578 100644 --- a/sound/pci/hda/hda_eld.c +++ b/sound/pci/hda/hda_eld.c @@ -297,10 +297,18 @@ static int hdmi_update_eld(struct hdmi_eld *e, buf + ELD_FIXED_BYTES + mnl + 3 * i); } + /* + * HDMI sink's ELD info cannot always be retrieved for now, e.g. + * in console or for audio devices. Assume the highest speakers + * configuration, to _not_ prohibit multi-channel audio playback. + */ + if (!e->spk_alloc) + e->spk_alloc = 0xffff; + + e->eld_valid = true; return 0; out_fail: - e->eld_ver = 0; return -EINVAL; } @@ -323,9 +331,6 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld, * ELD is valid, actual eld_size is assigned in hdmi_update_eld() */ - if (!eld->eld_valid) - return -ENOENT; - size = snd_hdmi_get_eld_size(codec, nid); if (size == 0) { /* wfg: workaround for ASUS P5E-VM HDMI board */ diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 6579e0f..618ddad 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -653,6 +653,9 @@ struct hdmi_eld { int spk_alloc; int sad_count; struct cea_sad sad[ELD_MAX_SAD]; + /* + * all fields above eld_buffer will be cleared before updating ELD + */ char eld_buffer[ELD_MAX_SIZE]; #ifdef CONFIG_PROC_FS struct snd_info_entry *proc_entry; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 2a2d864..2fbab8e 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -237,6 +237,15 @@ static int cs_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout); } +static void cs_update_input_select(struct hda_codec *codec) +{ + struct cs_spec *spec = codec->spec; + if (spec->cur_adc) + snd_hda_codec_write(codec, spec->cur_adc, 0, + AC_VERB_SET_CONNECT_SEL, + spec->adc_idx[spec->cur_input]); +} + /* * Analog capture */ @@ -250,6 +259,7 @@ static int cs_capture_pcm_prepare(struct hda_pcm_stream *hinfo, spec->cur_adc = spec->adc_nid[spec->cur_input]; spec->cur_adc_stream_tag = stream_tag; spec->cur_adc_format = format; + cs_update_input_select(codec); snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format); return 0; } @@ -689,10 +699,8 @@ static int change_cur_input(struct hda_codec *codec, unsigned int idx, spec->cur_adc_stream_tag, 0, spec->cur_adc_format); } - snd_hda_codec_write(codec, spec->cur_adc, 0, - AC_VERB_SET_CONNECT_SEL, - spec->adc_idx[idx]); spec->cur_input = idx; + cs_update_input_select(codec); return 1; } @@ -973,10 +981,7 @@ static void cs_automic(struct hda_codec *codec) } else { spec->cur_input = spec->last_input; } - - snd_hda_codec_write_cache(codec, spec->cur_adc, 0, - AC_VERB_SET_CONNECT_SEL, - spec->adc_idx[spec->cur_input]); + cs_update_input_select(codec); } else { if (present) change_cur_input(codec, spec->automic_idx, 0); @@ -1073,9 +1078,7 @@ static void init_input(struct hda_codec *codec) cs_automic(codec); else { spec->cur_adc = spec->adc_nid[spec->cur_input]; - snd_hda_codec_write(codec, spec->cur_adc, 0, - AC_VERB_SET_CONNECT_SEL, - spec->adc_idx[spec->cur_input]); + cs_update_input_select(codec); } } else { change_cur_input(codec, spec->cur_input, 1); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 81b7b79..9850c5b 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -65,7 +65,10 @@ struct hdmi_spec_per_pin { hda_nid_t pin_nid; int num_mux_nids; hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; + + struct hda_codec *codec; struct hdmi_eld sink_eld; + struct delayed_work work; }; struct hdmi_spec { @@ -745,8 +748,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx, * Unsolicited events */ -static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, - struct hdmi_eld *eld); +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry); static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) { @@ -755,7 +757,6 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) int pd = !!(res & AC_UNSOL_RES_PD); int eldv = !!(res & AC_UNSOL_RES_ELDV); int pin_idx; - struct hdmi_eld *eld; printk(KERN_INFO "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", @@ -764,17 +765,8 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) pin_idx = pin_nid_to_pin_index(spec, pin_nid); if (pin_idx < 0) return; - eld = &spec->pins[pin_idx].sink_eld; - - hdmi_present_sense(codec, pin_nid, eld); - /* - * HDMI sink's ELD info cannot always be retrieved for now, e.g. - * in console or for audio devices. Assume the highest speakers - * configuration, to _not_ prohibit multi-channel audio playback. - */ - if (!eld->spk_alloc) - eld->spk_alloc = 0xffff; + hdmi_present_sense(&spec->pins[pin_idx], true); } static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) @@ -968,9 +960,11 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) return 0; } -static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, - struct hdmi_eld *eld) +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry) { + struct hda_codec *codec = per_pin->codec; + struct hdmi_eld *eld = &per_pin->sink_eld; + hda_nid_t pin_nid = per_pin->pin_nid; /* * Always execute a GetPinSense verb here, even when called from * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited @@ -980,26 +974,39 @@ static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, * the unsolicited response to avoid custom WARs. */ int present = snd_hda_pin_sense(codec, pin_nid); + bool eld_valid = false; - memset(eld, 0, sizeof(*eld)); + memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer)); eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); if (eld->monitor_present) - eld->eld_valid = !!(present & AC_PINSENSE_ELDV); - else - eld->eld_valid = 0; + eld_valid = !!(present & AC_PINSENSE_ELDV); printk(KERN_INFO "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", - codec->addr, pin_nid, eld->monitor_present, eld->eld_valid); + codec->addr, pin_nid, eld->monitor_present, eld_valid); - if (eld->eld_valid) + if (eld_valid) { if (!snd_hdmi_get_eld(eld, codec, pin_nid)) snd_hdmi_show_eld(eld); + else if (retry) { + queue_delayed_work(codec->bus->workq, + &per_pin->work, + msecs_to_jiffies(300)); + } + } snd_hda_input_jack_report(codec, pin_nid); } +static void hdmi_repoll_eld(struct work_struct *work) +{ + struct hdmi_spec_per_pin *per_pin = + container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); + + hdmi_present_sense(per_pin, false); +} + static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) { struct hdmi_spec *spec = codec->spec; @@ -1228,7 +1235,7 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx) if (err < 0) return err; - hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld); + hdmi_present_sense(per_pin, false); return 0; } @@ -1279,6 +1286,8 @@ static int generic_hdmi_init(struct hda_codec *codec) AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | pin_nid); + per_pin->codec = codec; + INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); snd_hda_eld_proc_new(codec, eld, pin_idx); } return 0; @@ -1293,10 +1302,12 @@ static void generic_hdmi_free(struct hda_codec *codec) struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx]; struct hdmi_eld *eld = &per_pin->sink_eld; + cancel_delayed_work(&per_pin->work); snd_hda_eld_proc_free(codec, eld); } snd_hda_input_jack_free(codec); + flush_workqueue(codec->bus->workq); kfree(spec); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 308bb57..336d14e 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1452,7 +1452,7 @@ static void alc_apply_fixup(struct hda_codec *codec, int action) switch (fix->type) { case ALC_FIXUP_SKU: if (action != ALC_FIXUP_ACT_PRE_PROBE || !fix->v.sku) - break;; + break; snd_printdd(KERN_INFO "hda_codec: %s: " "Apply sku override for %s\n", codec->chip_name, modelname); diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index edc2b7b..470f6f2 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -227,7 +227,6 @@ struct sigmatel_spec { /* power management */ unsigned int num_pwrs; - const unsigned int *pwr_mapping; const hda_nid_t *pwr_nids; const hda_nid_t *dac_list; @@ -374,18 +373,15 @@ static const unsigned long stac92hd73xx_capvols[] = { #define STAC92HD83_DAC_COUNT 3 -static const hda_nid_t stac92hd83xxx_pwr_nids[4] = { - 0xa, 0xb, 0xd, 0xe, +static const hda_nid_t stac92hd83xxx_pwr_nids[7] = { + 0x0a, 0x0b, 0x0c, 0xd, 0x0e, + 0x0f, 0x10 }; static const hda_nid_t stac92hd83xxx_slave_dig_outs[2] = { 0x1e, 0, }; -static const unsigned int stac92hd83xxx_pwr_mapping[4] = { - 0x03, 0x0c, 0x20, 0x40, -}; - static const hda_nid_t stac92hd83xxx_dmic_nids[] = { 0x11, 0x20, }; @@ -4470,8 +4466,12 @@ static int stac92xx_init(struct hda_codec *codec) stac_toggle_power_map(codec, nid, 1); continue; } - if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) + if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) { stac_issue_unsol_event(codec, nid); + continue; + } + /* none of the above, turn the port OFF */ + stac_toggle_power_map(codec, nid, 0); } /* sync mute LED */ @@ -4727,11 +4727,7 @@ static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid, if (idx >= spec->num_pwrs) return; - /* several codecs have two power down bits */ - if (spec->pwr_mapping) - idx = spec->pwr_mapping[idx]; - else - idx = 1 << idx; + idx = 1 << idx; val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0xff; if (enable) @@ -5629,9 +5625,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e); } - /* reset pin power-down; Windows may leave these bits after reboot */ - snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0); - snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0); codec->no_trigger_sense = 1; codec->spec = spec; @@ -5641,7 +5634,6 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) codec->slave_dig_outs = stac92hd83xxx_slave_dig_outs; spec->digbeep_nid = 0x21; spec->pwr_nids = stac92hd83xxx_pwr_nids; - spec->pwr_mapping = stac92hd83xxx_pwr_mapping; spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids); spec->multiout.dac_nids = spec->dac_nids; spec->init = stac92hd83xxx_core_init; @@ -5658,9 +5650,6 @@ again: stac92xx_set_config_regs(codec, stac92hd83xxx_brd_tbl[spec->board_config]); - if (spec->board_config != STAC_92HD83XXX_PWR_REF) - spec->num_pwrs = 0; - codec->patch_ops = stac92xx_patch_ops; if (find_mute_led_gpio(codec, 0)) @@ -5869,8 +5858,6 @@ again: (codec->revision_id & 0xf) == 1) spec->stream_delay = 40; /* 40 milliseconds */ - /* no output amps */ - spec->num_pwrs = 0; /* disable VSW */ spec->init = stac92hd71bxx_core_init; unmute_init++; @@ -5885,8 +5872,6 @@ again: if ((codec->revision_id & 0xf) == 1) spec->stream_delay = 40; /* 40 milliseconds */ - /* no output amps */ - spec->num_pwrs = 0; /* fallthru */ default: spec->init = stac92hd71bxx_core_init; diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index 30e2bef..8b4c253 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -747,6 +747,18 @@ sub __eval_option { # Add space to evaluate the character before $ $option = " $option"; my $retval = ""; + my $repeated = 0; + my $parent = 0; + + foreach my $test (keys %repeat_tests) { + if ($i >= $test && + $i < $test + $repeat_tests{$test}) { + + $repeated = 1; + $parent = $test; + last; + } + } while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) { my $start = $1; @@ -760,10 +772,14 @@ sub __eval_option { # otherwise see if the default OPT (without [$i]) exists. my $o = "$var\[$i\]"; + my $parento = "$var\[$parent\]"; if (defined($opt{$o})) { $o = $opt{$o}; $retval = "$retval$o"; + } elsif ($repeated && defined($opt{$parento})) { + $o = $opt{$parento}; + $retval = "$retval$o"; } elsif (defined($opt{$var})) { $o = $opt{$var}; $retval = "$retval$o"; 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