diff options
313 files changed, 3553 insertions, 5234 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-cache_disable b/Documentation/ABI/testing/sysfs-devices-cache_disable deleted file mode 100644 index 175bb4f..0000000 --- a/Documentation/ABI/testing/sysfs-devices-cache_disable +++ /dev/null @@ -1,18 +0,0 @@ -What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X -Date: August 2008 -KernelVersion: 2.6.27 -Contact: mark.langsdorf@amd.com -Description: These files exist in every cpu's cache index directories. - There are currently 2 cache_disable_# files in each - directory. Reading from these files on a supported - processor will return that cache disable index value - for that processor and node. Writing to one of these - files will cause the specificed cache index to be disabled. - - Currently, only AMD Family 10h Processors support cache index - disable, and only for their L3 caches. See the BIOS and - Kernel Developer's Guide at - http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf - for formatting information and other details on the - cache index disable. -Users: joachim.deguara@amd.com diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu new file mode 100644 index 0000000..a703b9e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -0,0 +1,156 @@ +What: /sys/devices/system/cpu/ +Date: pre-git history +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: + A collection of both global and individual CPU attributes + + Individual CPU attributes are contained in subdirectories + named by the kernel's logical CPU number, e.g.: + + /sys/devices/system/cpu/cpu#/ + +What: /sys/devices/system/cpu/sched_mc_power_savings + /sys/devices/system/cpu/sched_smt_power_savings +Date: June 2006 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: Discover and adjust the kernel's multi-core scheduler support. + + Possible values are: + + 0 - No power saving load balance (default value) + 1 - Fill one thread/core/package first for long running threads + 2 - Also bias task wakeups to semi-idle cpu package for power + savings + + sched_mc_power_savings is dependent upon SCHED_MC, which is + itself architecture dependent. + + sched_smt_power_savings is dependent upon SCHED_SMT, which + is itself architecture dependent. + + The two files are independent of each other. It is possible + that one file may be present without the other. + + Introduced by git commit 5c45bf27. + + +What: /sys/devices/system/cpu/kernel_max + /sys/devices/system/cpu/offline + /sys/devices/system/cpu/online + /sys/devices/system/cpu/possible + /sys/devices/system/cpu/present +Date: December 2008 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: CPU topology files that describe kernel limits related to + hotplug. Briefly: + + kernel_max: the maximum cpu index allowed by the kernel + configuration. + + offline: cpus that are not online because they have been + HOTPLUGGED off or exceed the limit of cpus allowed by the + kernel configuration (kernel_max above). + + online: cpus that are online and being scheduled. + + possible: cpus that have been allocated resources and can be + brought online if they are present. + + present: cpus that have been identified as being present in + the system. + + See Documentation/cputopology.txt for more information. + + + +What: /sys/devices/system/cpu/cpu#/node +Date: October 2009 +Contact: Linux memory management mailing list <linux-mm@kvack.org> +Description: Discover NUMA node a CPU belongs to + + When CONFIG_NUMA is enabled, a symbolic link that points + to the corresponding NUMA node directory. + + For example, the following symlink is created for cpu42 + in NUMA node 2: + + /sys/devices/system/cpu/cpu42/node2 -> ../../node/node2 + + +What: /sys/devices/system/cpu/cpu#/topology/core_id + /sys/devices/system/cpu/cpu#/topology/core_siblings + /sys/devices/system/cpu/cpu#/topology/core_siblings_list + /sys/devices/system/cpu/cpu#/topology/physical_package_id + /sys/devices/system/cpu/cpu#/topology/thread_siblings + /sys/devices/system/cpu/cpu#/topology/thread_siblings_list +Date: December 2008 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: CPU topology files that describe a logical CPU's relationship + to other cores and threads in the same physical package. + + One cpu# directory is created per logical CPU in the system, + e.g. /sys/devices/system/cpu/cpu42/. + + Briefly, the files above are: + + core_id: the CPU core ID of cpu#. Typically it is the + hardware platform's identifier (rather than the kernel's). + The actual value is architecture and platform dependent. + + core_siblings: internal kernel map of cpu#'s hardware threads + within the same physical_package_id. + + core_siblings_list: human-readable list of the logical CPU + numbers within the same physical_package_id as cpu#. + + physical_package_id: physical package id of cpu#. Typically + corresponds to a physical socket number, but the actual value + is architecture and platform dependent. + + thread_siblings: internel kernel map of cpu#'s hardware + threads within the same core as cpu# + + thread_siblings_list: human-readable list of cpu#'s hardware + threads within the same core as cpu# + + See Documentation/cputopology.txt for more information. + + +What: /sys/devices/system/cpu/cpuidle/current_driver + /sys/devices/system/cpu/cpuidle/current_governer_ro +Date: September 2007 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: Discover cpuidle policy and mechanism + + Various CPUs today support multiple idle levels that are + differentiated by varying exit latencies and power + consumption during idle. + + Idle policy (governor) is differentiated from idle mechanism + (driver) + + current_driver: displays current idle mechanism + + current_governor_ro: displays current idle policy + + See files in Documentation/cpuidle/ for more information. + + +What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X +Date: August 2008 +KernelVersion: 2.6.27 +Contact: mark.langsdorf@amd.com +Description: These files exist in every cpu's cache index directories. + There are currently 2 cache_disable_# files in each + directory. Reading from these files on a supported + processor will return that cache disable index value + for that processor and node. Writing to one of these + files will cause the specificed cache index to be disabled. + + Currently, only AMD Family 10h Processors support cache index + disable, and only for their L3 caches. See the BIOS and + Kernel Developer's Guide at + http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf + for formatting information and other details on the + cache index disable. +Users: joachim.deguara@amd.com diff --git a/Documentation/cputopology.txt b/Documentation/cputopology.txt index b41f3e5..f1c5c4b 100644 --- a/Documentation/cputopology.txt +++ b/Documentation/cputopology.txt @@ -1,15 +1,28 @@ -Export cpu topology info via sysfs. Items (attributes) are similar +Export CPU topology info via sysfs. Items (attributes) are similar to /proc/cpuinfo. 1) /sys/devices/system/cpu/cpuX/topology/physical_package_id: -represent the physical package id of cpu X; + + physical package id of cpuX. Typically corresponds to a physical + socket number, but the actual value is architecture and platform + dependent. + 2) /sys/devices/system/cpu/cpuX/topology/core_id: -represent the cpu core id to cpu X; + + the CPU core ID of cpuX. Typically it is the hardware platform's + identifier (rather than the kernel's). The actual value is + architecture and platform dependent. + 3) /sys/devices/system/cpu/cpuX/topology/thread_siblings: -represent the thread siblings to cpu X in the same core; + + internel kernel map of cpuX's hardware threads within the same + core as cpuX + 4) /sys/devices/system/cpu/cpuX/topology/core_siblings: -represent the thread siblings to cpu X in the same physical package; + + internal kernel map of cpuX's hardware threads within the same + physical_package_id. To implement it in an architecture-neutral way, a new source file, drivers/base/topology.c, is to export the 4 attributes. @@ -32,32 +45,32 @@ not defined by include/asm-XXX/topology.h: 3) thread_siblings: just the given CPU 4) core_siblings: just the given CPU -Additionally, cpu topology information is provided under +Additionally, CPU topology information is provided under /sys/devices/system/cpu and includes these files. The internal source for the output is in brackets ("[]"). - kernel_max: the maximum cpu index allowed by the kernel configuration. + kernel_max: the maximum CPU index allowed by the kernel configuration. [NR_CPUS-1] - offline: cpus that are not online because they have been + offline: CPUs that are not online because they have been HOTPLUGGED off (see cpu-hotplug.txt) or exceed the limit - of cpus allowed by the kernel configuration (kernel_max + of CPUs allowed by the kernel configuration (kernel_max above). [~cpu_online_mask + cpus >= NR_CPUS] - online: cpus that are online and being scheduled [cpu_online_mask] + online: CPUs that are online and being scheduled [cpu_online_mask] - possible: cpus that have been allocated resources and can be + possible: CPUs that have been allocated resources and can be brought online if they are present. [cpu_possible_mask] - present: cpus that have been identified as being present in the + present: CPUs that have been identified as being present in the system. [cpu_present_mask] The format for the above output is compatible with cpulist_parse() [see <linux/cpumask.h>]. Some examples follow. -In this example, there are 64 cpus in the system but cpus 32-63 exceed +In this example, there are 64 CPUs in the system but cpus 32-63 exceed the kernel max which is limited to 0..31 by the NR_CPUS config option -being 32. Note also that cpus 2 and 4-31 are not online but could be +being 32. Note also that CPUs 2 and 4-31 are not online but could be brought online as they are both present and possible. kernel_max: 31 @@ -67,8 +80,8 @@ brought online as they are both present and possible. present: 0-31 In this example, the NR_CPUS config option is 128, but the kernel was -started with possible_cpus=144. There are 4 cpus in the system and cpu2 -was manually taken offline (and is the only cpu that can be brought +started with possible_cpus=144. There are 4 CPUs in the system and cpu2 +was manually taken offline (and is the only CPU that can be brought online.) kernel_max: 127 @@ -78,4 +91,4 @@ online.) present: 0-3 See cpu-hotplug.txt for the possible_cpus=NUM kernel start parameter -as well as more information on the various cpumask's. +as well as more information on the various cpumasks. diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index bf4f4b7..6d94e06 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -134,9 +134,15 @@ ro Mount filesystem read only. Note that ext4 will mount options "ro,noload" can be used to prevent writes to the filesystem. +journal_checksum Enable checksumming of the journal transactions. + This will allow the recovery code in e2fsck and the + kernel to detect corruption in the kernel. It is a + compatible change and will be ignored by older kernels. + journal_async_commit Commit block can be written to disk without waiting for descriptor blocks. If enabled older kernels cannot - mount the device. + mount the device. This will enable 'journal_checksum' + internally. journal=update Update the ext4 file system's journal to the current format. diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 1c8eb45..fd9a2f6 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -522,7 +522,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. pcm_devs - Number of PCM devices assigned to each card (default = 1, up to 4) pcm_substreams - Number of PCM substreams assigned to each PCM - (default = 8, up to 16) + (default = 8, up to 128) hrtimer - Use hrtimer (=1, default) or system timer (=0) fake_buffer - Fake buffer allocations (default = 1) diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt index 957b22f..8179692 100644 --- a/Documentation/trace/ftrace.txt +++ b/Documentation/trace/ftrace.txt @@ -1231,6 +1231,7 @@ something like this simple program: #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> +#include <string.h> #define _STR(x) #x #define STR(x) _STR(x) @@ -1265,6 +1266,7 @@ const char *find_debugfs(void) return NULL; } + strcat(debugfs, "/tracing/"); debugfs_found = 1; return debugfs; @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 32 -EXTRAVERSION = -rc5 +EXTRAVERSION = -rc6 NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index fd03fb6..3d0cdd2 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -414,9 +414,14 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page static inline void __flush_icache_all(void) { +#ifdef CONFIG_ARM_ERRATA_411920 + extern void v6_icache_inval_all(void); + v6_icache_inval_all(); +#else asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n" : : "r" (0)); +#endif } #define ARCH_HAS_FLUSH_ANON_PAGE diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 1423a34..2a573d4 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/kernel/signal.c * - * Copyright (C) 1995-2002 Russell King + * Copyright (C) 1995-2009 Russell King * * 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 @@ -29,6 +29,7 @@ */ #define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)) #define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)) +#define SWI_SYS_RESTART (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE) /* * With EABI, the syscall number has to be loaded into r7. @@ -49,6 +50,18 @@ const unsigned long sigreturn_codes[7] = { }; /* + * Either we support OABI only, or we have EABI with the OABI + * compat layer enabled. In the later case we don't know if + * user space is EABI or not, and if not we must not clobber r7. + * Always using the OABI syscall solves that issue and works for + * all those cases. + */ +const unsigned long syscall_restart_code[2] = { + SWI_SYS_RESTART, /* swi __NR_restart_syscall */ + 0xe49df004, /* ldr pc, [sp], #4 */ +}; + +/* * atomically swap in the new signal mask, and wait for a signal. */ asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask) @@ -645,32 +658,12 @@ static void do_signal(struct pt_regs *regs, int syscall) regs->ARM_pc -= 4; #else u32 __user *usp; - u32 swival = __NR_restart_syscall; - regs->ARM_sp -= 12; + regs->ARM_sp -= 4; usp = (u32 __user *)regs->ARM_sp; - /* - * Either we supports OABI only, or we have - * EABI with the OABI compat layer enabled. - * In the later case we don't know if user - * space is EABI or not, and if not we must - * not clobber r7. Always using the OABI - * syscall solves that issue and works for - * all those cases. - */ - swival = swival - __NR_SYSCALL_BASE + __NR_OABI_SYSCALL_BASE; - - put_user(regs->ARM_pc, &usp[0]); - /* swi __NR_restart_syscall */ - put_user(0xef000000 | swival, &usp[1]); - /* ldr pc, [sp], #12 */ - put_user(0xe49df00c, &usp[2]); - - flush_icache_range((unsigned long)usp, - (unsigned long)(usp + 3)); - - regs->ARM_pc = regs->ARM_sp + 4; + put_user(regs->ARM_pc, usp); + regs->ARM_pc = KERN_RESTART_CODE; #endif } } diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h index 27beece..6fcfe83 100644 --- a/arch/arm/kernel/signal.h +++ b/arch/arm/kernel/signal.h @@ -1,12 +1,14 @@ /* * linux/arch/arm/kernel/signal.h * - * Copyright (C) 2005 Russell King. + * Copyright (C) 2005-2009 Russell King. * * 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. */ #define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500) +#define KERN_RESTART_CODE (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes)) extern const unsigned long sigreturn_codes[7]; +extern const unsigned long syscall_restart_code[2]; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index f838f36..95718a6 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/kernel/traps.c * - * Copyright (C) 1995-2002 Russell King + * Copyright (C) 1995-2009 Russell King * Fragments that appear the same as linux/arch/i386/kernel/traps.c (C) Linus Torvalds * * This program is free software; you can redistribute it and/or modify @@ -751,6 +751,8 @@ void __init early_trap_init(void) */ memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes, sizeof(sigreturn_codes)); + memcpy((void *)KERN_RESTART_CODE, syscall_restart_code, + sizeof(syscall_restart_code)); flush_icache_range(vectors, vectors + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 39baf11..786ac2b 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -26,6 +26,15 @@ * http://infocenter.arm.com/help/topic/com.arm.doc.subset.swdev.abi/index.html */ +#if !defined (__ARM_EABI__) +#warning Your compiler does not have EABI support. +#warning ARM unwind is known to compile only with EABI compilers. +#warning Change compiler or disable ARM_UNWIND option. +#elif (__GNUC__ == 4 && __GNUC_MINOR__ <= 2) +#warning Your compiler is too buggy; it is known to not compile ARM unwind support. +#warning Change compiler or disable ARM_UNWIND option. +#endif + #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index 34a9502..c22df30 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -25,6 +25,8 @@ #define ARCH_ID_AT91SAM9G20 0x019905a0 #define ARCH_ID_AT91SAM9RL64 0x019b03a0 #define ARCH_ID_AT91SAM9G45 0x819b05a0 +#define ARCH_ID_AT91SAM9G45MRL 0x819b05a2 /* aka 9G45-ES2 & non ES lots */ +#define ARCH_ID_AT91SAM9G45ES 0x819b05a1 /* 9G45-ES (Engineering Sample) */ #define ARCH_ID_AT91CAP9 0x039A03A0 #define ARCH_ID_AT91SAM9XE128 0x329973a0 @@ -41,6 +43,11 @@ static inline unsigned long at91_cpu_identify(void) return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); } +static inline unsigned long at91_cpu_fully_identify(void) +{ + return at91_sys_read(AT91_DBGU_CIDR); +} + #define ARCH_EXID_AT91SAM9M11 0x00000001 #define ARCH_EXID_AT91SAM9M10 0x00000002 #define ARCH_EXID_AT91SAM9G45 0x00000004 @@ -118,8 +125,10 @@ static inline unsigned long at91cap9_rev_identify(void) #ifdef CONFIG_ARCH_AT91SAM9G45 #define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45) +#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES) #else #define cpu_is_at91sam9g45() (0) +#define cpu_is_at91sam9g45es() (0) #endif #ifdef CONFIG_ARCH_AT91CAP9 diff --git a/arch/arm/mach-integrator/include/mach/memory.h b/arch/arm/mach-integrator/include/mach/memory.h index 2b2e7a1..4891828 100644 --- a/arch/arm/mach-integrator/include/mach/memory.h +++ b/arch/arm/mach-integrator/include/mach/memory.h @@ -28,5 +28,6 @@ #define BUS_OFFSET UL(0x80000000) #define __virt_to_bus(x) ((x) - PAGE_OFFSET + BUS_OFFSET) #define __bus_to_virt(x) ((x) - BUS_OFFSET + PAGE_OFFSET) +#define __pfn_to_bus(x) (((x) << PAGE_SHIFT) + BUS_OFFSET) #endif diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h index 46cd6ac..699671f 100644 --- a/arch/arm/mach-realview/core.h +++ b/arch/arm/mach-realview/core.h @@ -61,5 +61,5 @@ extern void realview_timer_init(unsigned int timer_irq); extern int realview_flash_register(struct resource *res, u32 num); extern int realview_eth_register(const char *name, struct resource *res); extern int realview_usb_register(struct resource *res); - +extern void (*realview_reset)(char); #endif diff --git a/arch/arm/mach-realview/include/mach/board-pb1176.h b/arch/arm/mach-realview/include/mach/board-pb1176.h index 98f8e7e..34b80b7 100644 --- a/arch/arm/mach-realview/include/mach/board-pb1176.h +++ b/arch/arm/mach-realview/include/mach/board-pb1176.h @@ -73,4 +73,9 @@ #define REALVIEW_PB1176_GIC_DIST_BASE 0x10041000 /* GIC distributor, on FPGA */ #define REALVIEW_PB1176_L220_BASE 0x10110000 /* L220 registers */ +/* + * Control register SYS_RESETCTL is set to 1 to force a soft reset + */ +#define REALVIEW_PB1176_SYS_LOCKVAL_RSTCTL 0x0100 + #endif /* __ASM_ARCH_BOARD_PB1176_H */ diff --git a/arch/arm/mach-realview/include/mach/board-pb11mp.h b/arch/arm/mach-realview/include/mach/board-pb11mp.h index f0d68e0..7abf918 100644 --- a/arch/arm/mach-realview/include/mach/board-pb11mp.h +++ b/arch/arm/mach-realview/include/mach/board-pb11mp.h @@ -81,4 +81,16 @@ #define REALVIEW_TC11MP_GIC_DIST_BASE 0x1F001000 /* Test chip interrupt controller distributor */ #define REALVIEW_TC11MP_L220_BASE 0x1F002000 /* L220 registers */ + /* + * Values for REALVIEW_SYS_RESET_CTRL + */ +#define REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGCLR 0x01 +#define REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGINIT 0x02 +#define REALVIEW_PB11MP_SYS_CTRL_RESET_DLLRESET 0x03 +#define REALVIEW_PB11MP_SYS_CTRL_RESET_PLLRESET 0x04 +#define REALVIEW_PB11MP_SYS_CTRL_RESET_POR 0x05 +#define REALVIEW_PB11MP_SYS_CTRL_RESET_DoC 0x06 + +#define REALVIEW_PB11MP_SYS_CTRL_LED (1 << 0) + #endif /* __ASM_ARCH_BOARD_PB11MP_H */ diff --git a/arch/arm/mach-realview/include/mach/platform.h b/arch/arm/mach-realview/include/mach/platform.h index c8f5083..4f46bf7 100644 --- a/arch/arm/mach-realview/include/mach/platform.h +++ b/arch/arm/mach-realview/include/mach/platform.h @@ -119,19 +119,6 @@ #define REALVIEW_SYS_TEST_OSC3 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET) #define REALVIEW_SYS_TEST_OSC4 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET) -/* - * Values for REALVIEW_SYS_RESET_CTRL - */ -#define REALVIEW_SYS_CTRL_RESET_CONFIGCLR 0x01 -#define REALVIEW_SYS_CTRL_RESET_CONFIGINIT 0x02 -#define REALVIEW_SYS_CTRL_RESET_DLLRESET 0x03 -#define REALVIEW_SYS_CTRL_RESET_PLLRESET 0x04 -#define REALVIEW_SYS_CTRL_RESET_POR 0x05 -#define REALVIEW_SYS_CTRL_RESET_DoC 0x06 - -#define REALVIEW_SYS_CTRL_LED (1 << 0) - - /* ------------------------------------------------------------------------ * RealView control registers * ------------------------------------------------------------------------ @@ -153,7 +140,7 @@ * SYS_CLD, SYS_BOOTCS */ #define REALVIEW_SYS_LOCK_LOCKED (1 << 16) -#define REALVIEW_SYS_LOCKVAL_MASK 0xFFFF /* write 0xA05F to enable write access */ +#define REALVIEW_SYS_LOCKVAL_MASK 0xA05F /* Enable write access */ /* * REALVIEW_SYS_FLASH diff --git a/arch/arm/mach-realview/include/mach/system.h b/arch/arm/mach-realview/include/mach/system.h index 1a15a44..a30f2e3 100644 --- a/arch/arm/mach-realview/include/mach/system.h +++ b/arch/arm/mach-realview/include/mach/system.h @@ -25,6 +25,8 @@ #include <mach/hardware.h> #include <mach/platform.h> +void (*realview_reset)(char mode); + static inline void arch_idle(void) { /* @@ -36,16 +38,12 @@ static inline void arch_idle(void) static inline void arch_reset(char mode, const char *cmd) { - void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET; - unsigned int val; - /* * To reset, we hit the on-board reset register * in the system FPGA */ - val = __raw_readl(hdr_ctrl); - val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR; - __raw_writel(val, hdr_ctrl); + if (realview_reset) + realview_reset(mode); } #endif diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index 2817fe0..a6ba147 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -290,6 +290,16 @@ static struct sys_timer realview_pb1176_timer = { .init = realview_pb1176_timer_init, }; +static void realview_pb1176_reset(char mode) +{ + void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + + REALVIEW_SYS_RESETCTL_OFFSET; + void __iomem *rst_hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + + REALVIEW_SYS_LOCK_OFFSET; + __raw_writel(REALVIEW_SYS_LOCKVAL_MASK, rst_hdr_ctrl); + __raw_writel(REALVIEW_PB1176_SYS_LOCKVAL_RSTCTL, hdr_ctrl); +} + static void __init realview_pb1176_init(void) { int i; @@ -313,6 +323,7 @@ static void __init realview_pb1176_init(void) #ifdef CONFIG_LEDS leds_event = realview_leds_event; #endif + realview_reset = realview_pb1176_reset; } MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index 94680fc..070d284 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -299,6 +299,21 @@ static struct sys_timer realview_pb11mp_timer = { .init = realview_pb11mp_timer_init, }; +static void realview_pb11mp_reset(char mode) +{ + void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + + REALVIEW_SYS_RESETCTL_OFFSET; + unsigned int val; + + /* + * To reset, we hit the on-board reset register + * in the system FPGA + */ + val = __raw_readl(hdr_ctrl); + val |= REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGCLR; + __raw_writel(val, hdr_ctrl); +} + static void __init realview_pb11mp_init(void) { int i; @@ -324,6 +339,7 @@ static void __init realview_pb11mp_init(void) #ifdef CONFIG_LEDS leds_event = realview_leds_event; #endif + realview_reset = realview_pb11mp_reset; } MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore") diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index 7974afc..9664e01 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -28,6 +28,7 @@ #include <linux/io.h> #include <mach/hardware.h> +#include <mach/gpio-fns.h> #include <asm/irq.h> #include <mach/regs-gpio.h> diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index c3a2629..92e2687 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -110,6 +110,8 @@ enum s3c2410_dma_loadst { * waiting for reloads */ #define S3C2410_DMAF_AUTOSTART (1<<1) /* auto-start if buffer queued */ +#define S3C2410_DMAF_CIRCULAR (1 << 2) /* no circular dma support */ + /* dma buffer */ struct s3c2410_dma_buf; @@ -194,4 +196,9 @@ struct s3c2410_dma_chan { typedef unsigned long dma_device_t; +static inline bool s3c_dma_has_circular(void) +{ + return false; +} + #endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index d7bba91..a8b69d7 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -103,6 +103,7 @@ config MACH_MINI2440 select LEDS_TRIGGER_BACKLIGHT select SND_S3C24XX_SOC_S3C24XX_UDA134X select S3C_DEV_NAND + select S3C_DEV_USB_HOST help Say Y here to select support for the MINI2440. Is a 10cm x 10cm board available via various sources. It can come with a 3.5" or 7" touch LCD. diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index ec71a69..1c3382f 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -144,7 +144,7 @@ static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { .type = (S3C2410_LCDCON1_TFT16BPP |\ S3C2410_LCDCON1_TFT) -struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { +static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { [0] = { /* mini2440 + 3.5" TFT + touchscreen */ _LCD_DECLARE( 7, /* The 3.5 is quite fast */ @@ -191,7 +191,7 @@ struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) -struct s3c2410fb_mach_info mini2440_fb_info __initdata = { +static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ .num_displays = 1, .default_display = 0, diff --git a/arch/arm/mach-s3c6400/include/mach/dma.h b/arch/arm/mach-s3c6400/include/mach/dma.h index 1067619..004edab 100644 --- a/arch/arm/mach-s3c6400/include/mach/dma.h +++ b/arch/arm/mach-s3c6400/include/mach/dma.h @@ -68,6 +68,11 @@ static __inline__ int s3c_dma_has_circular(void) #define S3C2410_DMAF_CIRCULAR (1 << 0) +static inline bool s3c_dma_has_circular(void) +{ + return false; +} + #include <plat/dma.h> #endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 6bda76a..a9e22e3 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -50,10 +50,7 @@ void __new_context(struct mm_struct *mm) isb(); flush_tlb_all(); if (icache_is_vivt_asid_tagged()) { - asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n" - "mcr p15, 0, %0, c7, c5, 6 @ flush BTAC/BTB\n" - : - : "r" (0)); + __flush_icache_all(); dsb(); } } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index b30925f..b9590a7 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -205,7 +205,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, order = get_order(size); - if (mask != 0xffffffff) + if (mask < 0xffffffffULL) gfp |= GFP_DMA; page = alloc_pages(gfp, order); @@ -289,7 +289,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, if (!mask) goto error; - if (mask != 0xffffffff) + if (mask < 0xffffffffULL) gfp |= GFP_DMA; virt = kmalloc(size, gfp); if (!virt) diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index b279429..7f294f3 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -18,10 +18,6 @@ #include "mm.h" -#ifdef CONFIG_ARM_ERRATA_411920 -extern void v6_icache_inval_all(void); -#endif - #ifdef CONFIG_CPU_CACHE_VIPT #define ALIAS_FLUSH_START 0xffff4000 @@ -35,16 +31,11 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) flush_tlb_kernel_page(to); asm( "mcrr p15, 0, %1, %0, c14\n" - " mcr p15, 0, %2, c7, c10, 4\n" -#ifndef CONFIG_ARM_ERRATA_411920 - " mcr p15, 0, %2, c7, c5, 0\n" -#endif + " mcr p15, 0, %2, c7, c10, 4" : : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero) : "cc"); -#ifdef CONFIG_ARM_ERRATA_411920 - v6_icache_inval_all(); -#endif + __flush_icache_all(); } void flush_cache_mm(struct mm_struct *mm) @@ -57,16 +48,11 @@ void flush_cache_mm(struct mm_struct *mm) if (cache_is_vipt_aliasing()) { asm( "mcr p15, 0, %0, c7, c14, 0\n" - " mcr p15, 0, %0, c7, c10, 4\n" -#ifndef CONFIG_ARM_ERRATA_411920 - " mcr p15, 0, %0, c7, c5, 0\n" -#endif + " mcr p15, 0, %0, c7, c10, 4" : : "r" (0) : "cc"); -#ifdef CONFIG_ARM_ERRATA_411920 - v6_icache_inval_all(); -#endif + __flush_icache_all(); } } @@ -81,16 +67,11 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned if (cache_is_vipt_aliasing()) { asm( "mcr p15, 0, %0, c7, c14, 0\n" - " mcr p15, 0, %0, c7, c10, 4\n" -#ifndef CONFIG_ARM_ERRATA_411920 - " mcr p15, 0, %0, c7, c5, 0\n" -#endif + " mcr p15, 0, %0, c7, c10, 4" : : "r" (0) : "cc"); -#ifdef CONFIG_ARM_ERRATA_411920 - v6_icache_inval_all(); -#endif + __flush_icache_all(); } } diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 40940d7..52c40d1 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -273,7 +273,6 @@ static void __init bootmem_init_node(int node, struct meminfo *mi, struct membank *bank = &mi->bank[i]; if (!bank->highmem) free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank)); - memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank)); } /* @@ -370,6 +369,19 @@ int pfn_valid(unsigned long pfn) return 0; } EXPORT_SYMBOL(pfn_valid); + +static void arm_memory_present(struct meminfo *mi, int node) +{ +} +#else +static void arm_memory_present(struct meminfo *mi, int node) +{ + int i; + for_each_nodebank(i, mi, node) { + struct membank *bank = &mi->bank[i]; + memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank)); + } +} #endif static int __init meminfo_cmp(const void *_a, const void *_b) @@ -427,6 +439,12 @@ void __init bootmem_init(void) */ if (node == initrd_node) bootmem_reserve_initrd(node); + + /* + * Sparsemem tries to allocate bootmem in memory_present(), + * so must be done after the fixed reservations + */ + arm_memory_present(mi, node); } /* diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 02243ee..ea67be0 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -117,6 +117,13 @@ static void __init early_cachepolicy(char **p) } if (i == ARRAY_SIZE(cache_policies)) printk(KERN_ERR "ERROR: unknown or unsupported cache policy\n"); + /* + * This restriction is partly to do with the way we boot; it is + * unpredictable to have memory mapped using two different sets of + * memory attributes (shared, type, and cache attribs). We can not + * change these attributes once the initial assembly has setup the + * page tables. + */ if (cpu_architecture() >= CPU_ARCH_ARMv6) { printk(KERN_WARNING "Only cachepolicy=writeback supported on ARMv6 and later\n"); cachepolicy = CPOLICY_WRITEBACK; diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 194737d..70f75d2 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -32,8 +32,10 @@ #ifndef CONFIG_SMP #define TTB_FLAGS TTB_RGN_WBWA +#define PMD_FLAGS PMD_SECT_WB #else #define TTB_FLAGS TTB_RGN_WBWA|TTB_S +#define PMD_FLAGS PMD_SECT_WBWA|PMD_SECT_S #endif ENTRY(cpu_v6_proc_init) @@ -222,10 +224,9 @@ __v6_proc_info: .long 0x0007b000 .long 0x0007f000 .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ + PMD_SECT_AP_READ | \ + PMD_FLAGS .long PMD_TYPE_SECT | \ PMD_SECT_XN | \ PMD_SECT_AP_WRITE | \ diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 23ebcf6..eeeed01 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -33,9 +33,11 @@ #ifndef CONFIG_SMP /* PTWs cacheable, inner WB not shareable, outer WB not shareable */ #define TTB_FLAGS TTB_IRGN_WB|TTB_RGN_OC_WB +#define PMD_FLAGS PMD_SECT_WB #else /* PTWs cacheable, inner WBWA shareable, outer WBWA not shareable */ #define TTB_FLAGS TTB_IRGN_WBWA|TTB_S|TTB_NOS|TTB_RGN_OC_WBWA +#define PMD_FLAGS PMD_SECT_WBWA|PMD_SECT_S #endif ENTRY(cpu_v7_proc_init) @@ -326,10 +328,9 @@ __v7_proc_info: .long 0x000f0000 @ Required ID value .long 0x000f0000 @ Mask for ID .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ + PMD_SECT_AP_READ | \ + PMD_FLAGS .long PMD_TYPE_SECT | \ PMD_SECT_XN | \ PMD_SECT_AP_WRITE | \ diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c index 4d36b78..df47322 100644 --- a/arch/arm/plat-s3c24xx/adc.c +++ b/arch/arm/plat-s3c24xx/adc.c @@ -189,7 +189,7 @@ int s3c_adc_read(struct s3c_adc_client *client, unsigned int ch) err: return ret; } -EXPORT_SYMBOL_GPL(s3c_adc_convert); +EXPORT_SYMBOL_GPL(s3c_adc_read); static void s3c_adc_default_select(struct s3c_adc_client *client, unsigned select) diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index 5447e60..4af9dd9 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -61,6 +61,7 @@ static const char name_s3c2410[] = "S3C2410"; static const char name_s3c2412[] = "S3C2412"; static const char name_s3c2440[] = "S3C2440"; static const char name_s3c2442[] = "S3C2442"; +static const char name_s3c2442b[] = "S3C2442B"; static const char name_s3c2443[] = "S3C2443"; static const char name_s3c2410a[] = "S3C2410A"; static const char name_s3c2440a[] = "S3C2440A"; @@ -112,6 +113,15 @@ static struct cpu_table cpu_ids[] __initdata = { .name = name_s3c2442 }, { + .idcode = 0x32440aab, + .idmask = 0xffffffff, + .map_io = s3c244x_map_io, + .init_clocks = s3c244x_init_clocks, + .init_uarts = s3c244x_init_uarts, + .init = s3c2442_init, + .name = name_s3c2442b + }, + { .idcode = 0x32412001, .idmask = 0xffffffff, .map_io = s3c2412_map_io, diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 196b191..f046f8c 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -208,14 +208,14 @@ s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan, { unsigned long reload; - pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", - buf, (unsigned long)buf->data, buf->size); - if (buf == NULL) { dmawarn("buffer is NULL\n"); return -EINVAL; } + pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", + buf, (unsigned long)buf->data, buf->size); + /* check the state of the channel before we do anything */ if (chan->load_state == S3C2410_DMALOAD_1LOADED) { diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c index 95df059..5467470 100644 --- a/arch/arm/plat-s3c24xx/gpio.c +++ b/arch/arm/plat-s3c24xx/gpio.c @@ -29,6 +29,7 @@ #include <linux/io.h> #include <mach/hardware.h> +#include <mach/gpio-fns.h> #include <asm/irq.h> #include <mach/regs-gpio.h> diff --git a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h index efeb025..c776120 100644 --- a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h +++ b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h @@ -222,7 +222,9 @@ extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *); /* S3C2410 and compatible exported functions */ extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg); +extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg); +#ifdef CONFIG_S3C2410_IOTIMING extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg, struct s3c_iotimings *iot); @@ -231,8 +233,11 @@ extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg, extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg, struct s3c_iotimings *iot); - -extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg); +#else +#define s3c2410_iotiming_calc NULL +#define s3c2410_iotiming_get NULL +#define s3c2410_iotiming_set NULL +#endif /* CONFIG_S3C2410_IOTIMING */ /* S3C2412 compatible routines */ diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h index b6deeef..82ab4aad 100644 --- a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h +++ b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h @@ -27,6 +27,7 @@ extern void s3c2410_init_clocks(int xtal); #define s3c2410_init_uarts NULL #define s3c2410_map_io NULL #define s3c2410_init NULL +#define s3c2410a_init NULL #endif extern int s3c2410_baseclk_add(void); diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h index a8777a75..ff46e7f 100644 --- a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h +++ b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h @@ -51,8 +51,8 @@ #define S3C6400_CLKDIV0_HCLK_SHIFT (8) #define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) #define S3C6400_CLKDIV0_MPLL_SHIFT (4) -#define S3C6400_CLKDIV0_ARM_MASK (0x3 << 0) -#define S3C6410_CLKDIV0_ARM_MASK (0x7 << 0) +#define S3C6400_CLKDIV0_ARM_MASK (0x7 << 0) +#define S3C6410_CLKDIV0_ARM_MASK (0xf << 0) #define S3C6400_CLKDIV0_ARM_SHIFT (0) /* CLKDIV1 */ diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c index 9745852..6ffa21e 100644 --- a/arch/arm/plat-s3c64xx/s3c6400-clock.c +++ b/arch/arm/plat-s3c64xx/s3c6400-clock.c @@ -677,6 +677,9 @@ void __init_or_cpufreq s3c6400_setup_clocks(void) printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); + /* For now assume the mux always selects the crystal */ + clk_ext_xtal_mux.parent = xtal_clk; + epll = s3c6400_get_epll(xtal); mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); diff --git a/arch/avr32/mach-at32ap/include/mach/cpu.h b/arch/avr32/mach-at32ap/include/mach/cpu.h index 44d0bfa..9c96a13 100644 --- a/arch/avr32/mach-at32ap/include/mach/cpu.h +++ b/arch/avr32/mach-at32ap/include/mach/cpu.h @@ -31,5 +31,8 @@ #define cpu_is_at91sam9263() (0) #define cpu_is_at91sam9rl() (0) #define cpu_is_at91cap9() (0) +#define cpu_is_at91sam9g10() (0) +#define cpu_is_at91sam9g45() (0) +#define cpu_is_at91sam9g45es() (0) #endif /* __ASM_ARCH_CPU_H */ diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h index 30bb930..239ecdc 100644 --- a/arch/ia64/include/asm/spinlock.h +++ b/arch/ia64/include/asm/spinlock.h @@ -25,61 +25,82 @@ * by atomically noting the tail and incrementing it by one (thus adding * ourself to the queue and noting our position), then waiting until the head * becomes equal to the the initial value of the tail. + * The pad bits in the middle are used to prevent the next_ticket number + * overflowing into the now_serving number. * - * 63 32 31 0 + * 31 17 16 15 14 0 * +----------------------------------------------------+ - * | next_ticket_number | now_serving | + * | now_serving | padding | next_ticket | * +----------------------------------------------------+ */ -#define TICKET_SHIFT 32 +#define TICKET_SHIFT 17 +#define TICKET_BITS 15 +#define TICKET_MASK ((1 << TICKET_BITS) - 1) static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock) { - int *p = (int *)&lock->lock, turn, now_serving; + int *p = (int *)&lock->lock, ticket, serve; - now_serving = *p; - turn = ia64_fetchadd(1, p+1, acq); + ticket = ia64_fetchadd(1, p, acq); - if (turn == now_serving) + if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK)) return; - do { + ia64_invala(); + + for (;;) { + asm volatile ("ld4.c.nc %0=[%1]" : "=r"(serve) : "r"(p) : "memory"); + + if (!(((serve >> TICKET_SHIFT) ^ ticket) & TICKET_MASK)) + return; cpu_relax(); - } while (ACCESS_ONCE(*p) != turn); + } } static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock) { - long tmp = ACCESS_ONCE(lock->lock), try; - - if (!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1))) { - try = tmp + (1L << TICKET_SHIFT); + int tmp = ACCESS_ONCE(lock->lock); - return ia64_cmpxchg(acq, &lock->lock, tmp, try, sizeof (tmp)) == tmp; - } + if (!(((tmp >> TICKET_SHIFT) ^ tmp) & TICKET_MASK)) + return ia64_cmpxchg(acq, &lock->lock, tmp, tmp + 1, sizeof (tmp)) == tmp; return 0; } static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock) { - int *p = (int *)&lock->lock; + unsigned short *p = (unsigned short *)&lock->lock + 1, tmp; - (void)ia64_fetchadd(1, p, rel); + asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p)); + ACCESS_ONCE(*p) = (tmp + 2) & ~1; +} + +static __always_inline void __ticket_spin_unlock_wait(raw_spinlock_t *lock) +{ + int *p = (int *)&lock->lock, ticket; + + ia64_invala(); + + for (;;) { + asm volatile ("ld4.c.nc %0=[%1]" : "=r"(ticket) : "r"(p) : "memory"); + if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK)) + return; + cpu_relax(); + } } static inline int __ticket_spin_is_locked(raw_spinlock_t *lock) { long tmp = ACCESS_ONCE(lock->lock); - return !!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1)); + return !!(((tmp >> TICKET_SHIFT) ^ tmp) & TICKET_MASK); } static inline int __ticket_spin_is_contended(raw_spinlock_t *lock) { long tmp = ACCESS_ONCE(lock->lock); - return (((tmp >> TICKET_SHIFT) - tmp) & ((1L << TICKET_SHIFT) - 1)) > 1; + return ((tmp - (tmp >> TICKET_SHIFT)) & TICKET_MASK) > 1; } static inline int __raw_spin_is_locked(raw_spinlock_t *lock) @@ -116,8 +137,7 @@ static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock, static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock) { - while (__raw_spin_is_locked(lock)) - cpu_relax(); + __ticket_spin_unlock_wait(lock); } #define __raw_read_can_lock(rw) (*(volatile int *)(rw) >= 0) diff --git a/arch/ia64/include/asm/spinlock_types.h b/arch/ia64/include/asm/spinlock_types.h index b61d136..474e46f 100644 --- a/arch/ia64/include/asm/spinlock_types.h +++ b/arch/ia64/include/asm/spinlock_types.h @@ -6,7 +6,7 @@ #endif typedef struct { - volatile unsigned long lock; + volatile unsigned int lock; } raw_spinlock_t; #define __RAW_SPIN_LOCK_UNLOCKED { 0 } diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index d2877a7..496ac7a 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -887,6 +887,60 @@ ia64_mca_modify_comm(const struct task_struct *previous_current) memcpy(current->comm, comm, sizeof(current->comm)); } +static void +finish_pt_regs(struct pt_regs *regs, const pal_min_state_area_t *ms, + unsigned long *nat) +{ + const u64 *bank; + + /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use + * pmsa_{xip,xpsr,xfs} + */ + if (ia64_psr(regs)->ic) { + regs->cr_iip = ms->pmsa_iip; + regs->cr_ipsr = ms->pmsa_ipsr; + regs->cr_ifs = ms->pmsa_ifs; + } else { + regs->cr_iip = ms->pmsa_xip; + regs->cr_ipsr = ms->pmsa_xpsr; + regs->cr_ifs = ms->pmsa_xfs; + } + regs->pr = ms->pmsa_pr; + regs->b0 = ms->pmsa_br0; + regs->ar_rsc = ms->pmsa_rsc; + copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, ®s->r1, nat); + copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, ®s->r2, nat); + copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, ®s->r3, nat); + copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, ®s->r8, nat); + copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, ®s->r9, nat); + copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, ®s->r10, nat); + copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, ®s->r11, nat); + copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, ®s->r12, nat); + copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, ®s->r13, nat); + copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, ®s->r14, nat); + copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, ®s->r15, nat); + if (ia64_psr(regs)->bn) + bank = ms->pmsa_bank1_gr; + else + bank = ms->pmsa_bank0_gr; + copy_reg(&bank[16-16], ms->pmsa_nat_bits, ®s->r16, nat); + copy_reg(&bank[17-16], ms->pmsa_nat_bits, ®s->r17, nat); + copy_reg(&bank[18-16], ms->pmsa_nat_bits, ®s->r18, nat); + copy_reg(&bank[19-16], ms->pmsa_nat_bits, ®s->r19, nat); + copy_reg(&bank[20-16], ms->pmsa_nat_bits, ®s->r20, nat); + copy_reg(&bank[21-16], ms->pmsa_nat_bits, ®s->r21, nat); + copy_reg(&bank[22-16], ms->pmsa_nat_bits, ®s->r22, nat); + copy_reg(&bank[23-16], ms->pmsa_nat_bits, ®s->r23, nat); + copy_reg(&bank[24-16], ms->pmsa_nat_bits, ®s->r24, nat); + copy_reg(&bank[25-16], ms->pmsa_nat_bits, ®s->r25, nat); + copy_reg(&bank[26-16], ms->pmsa_nat_bits, ®s->r26, nat); + copy_reg(&bank[27-16], ms->pmsa_nat_bits, ®s->r27, nat); + copy_reg(&bank[28-16], ms->pmsa_nat_bits, ®s->r28, nat); + copy_reg(&bank[29-16], ms->pmsa_nat_bits, ®s->r29, nat); + copy_reg(&bank[30-16], ms->pmsa_nat_bits, ®s->r30, nat); + copy_reg(&bank[31-16], ms->pmsa_nat_bits, ®s->r31, nat); +} + /* On entry to this routine, we are running on the per cpu stack, see * mca_asm.h. The original stack has not been touched by this event. Some of * the original stack's registers will be in the RBS on this stack. This stack @@ -921,7 +975,6 @@ ia64_mca_modify_original_stack(struct pt_regs *regs, u64 r12 = ms->pmsa_gr[12-1], r13 = ms->pmsa_gr[13-1]; u64 ar_bspstore = regs->ar_bspstore; u64 ar_bsp = regs->ar_bspstore + (loadrs >> 16); - const u64 *bank; const char *msg; int cpu = smp_processor_id(); @@ -1024,54 +1077,9 @@ ia64_mca_modify_original_stack(struct pt_regs *regs, p = (char *)r12 - sizeof(*regs); old_regs = (struct pt_regs *)p; memcpy(old_regs, regs, sizeof(*regs)); - /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use - * pmsa_{xip,xpsr,xfs} - */ - if (ia64_psr(regs)->ic) { - old_regs->cr_iip = ms->pmsa_iip; - old_regs->cr_ipsr = ms->pmsa_ipsr; - old_regs->cr_ifs = ms->pmsa_ifs; - } else { - old_regs->cr_iip = ms->pmsa_xip; - old_regs->cr_ipsr = ms->pmsa_xpsr; - old_regs->cr_ifs = ms->pmsa_xfs; - } - old_regs->pr = ms->pmsa_pr; - old_regs->b0 = ms->pmsa_br0; old_regs->loadrs = loadrs; - old_regs->ar_rsc = ms->pmsa_rsc; old_unat = old_regs->ar_unat; - copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &old_regs->r1, &old_unat); - copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &old_regs->r2, &old_unat); - copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &old_regs->r3, &old_unat); - copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &old_regs->r8, &old_unat); - copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &old_regs->r9, &old_unat); - copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &old_regs->r10, &old_unat); - copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &old_regs->r11, &old_unat); - copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &old_regs->r12, &old_unat); - copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &old_regs->r13, &old_unat); - copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &old_regs->r14, &old_unat); - copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &old_regs->r15, &old_unat); - if (ia64_psr(old_regs)->bn) - bank = ms->pmsa_bank1_gr; - else - bank = ms->pmsa_bank0_gr; - copy_reg(&bank[16-16], ms->pmsa_nat_bits, &old_regs->r16, &old_unat); - copy_reg(&bank[17-16], ms->pmsa_nat_bits, &old_regs->r17, &old_unat); - copy_reg(&bank[18-16], ms->pmsa_nat_bits, &old_regs->r18, &old_unat); - copy_reg(&bank[19-16], ms->pmsa_nat_bits, &old_regs->r19, &old_unat); - copy_reg(&bank[20-16], ms->pmsa_nat_bits, &old_regs->r20, &old_unat); - copy_reg(&bank[21-16], ms->pmsa_nat_bits, &old_regs->r21, &old_unat); - copy_reg(&bank[22-16], ms->pmsa_nat_bits, &old_regs->r22, &old_unat); - copy_reg(&bank[23-16], ms->pmsa_nat_bits, &old_regs->r23, &old_unat); - copy_reg(&bank[24-16], ms->pmsa_nat_bits, &old_regs->r24, &old_unat); - copy_reg(&bank[25-16], ms->pmsa_nat_bits, &old_regs->r25, &old_unat); - copy_reg(&bank[26-16], ms->pmsa_nat_bits, &old_regs->r26, &old_unat); - copy_reg(&bank[27-16], ms->pmsa_nat_bits, &old_regs->r27, &old_unat); - copy_reg(&bank[28-16], ms->pmsa_nat_bits, &old_regs->r28, &old_unat); - copy_reg(&bank[29-16], ms->pmsa_nat_bits, &old_regs->r29, &old_unat); - copy_reg(&bank[30-16], ms->pmsa_nat_bits, &old_regs->r30, &old_unat); - copy_reg(&bank[31-16], ms->pmsa_nat_bits, &old_regs->r31, &old_unat); + finish_pt_regs(old_regs, ms, &old_unat); /* Next stack a struct switch_stack. mca_asm.S built a partial * switch_stack, copy it and fill in the blanks using pt_regs and @@ -1141,6 +1149,8 @@ ia64_mca_modify_original_stack(struct pt_regs *regs, no_mod: mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n", smp_processor_id(), type, msg); + old_unat = regs->ar_unat; + finish_pt_regs(regs, ms, &old_unat); return previous_current; } diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 6db0859..776dd40 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -60,7 +60,6 @@ dump (const char *str, void *vp, size_t len) */ int no_unaligned_warning; int unaligned_dump_stack; -static int noprint_warning; /* * For M-unit: @@ -1357,9 +1356,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) /* watch for command names containing %s */ printk(KERN_WARNING "%s", buf); } else { - if (no_unaligned_warning && !noprint_warning) { - noprint_warning = 1; - printk(KERN_WARNING "%s(%d) encountered an " + if (no_unaligned_warning) { + printk_once(KERN_WARNING "%s(%d) encountered an " "unaligned exception which required\n" "kernel assistance, which degrades " "the performance of the application.\n" diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index f426dc7..ee09d26 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -100,24 +100,36 @@ wrap_mmu_context (struct mm_struct *mm) * this primitive it can be moved up to a spinaphore.h header. */ struct spinaphore { - atomic_t cur; + unsigned long ticket; + unsigned long serve; }; static inline void spinaphore_init(struct spinaphore *ss, int val) { - atomic_set(&ss->cur, val); + ss->ticket = 0; + ss->serve = val; } static inline void down_spin(struct spinaphore *ss) { - while (unlikely(!atomic_add_unless(&ss->cur, -1, 0))) - while (atomic_read(&ss->cur) == 0) - cpu_relax(); + unsigned long t = ia64_fetchadd(1, &ss->ticket, acq), serve; + + if (time_before(t, ss->serve)) + return; + + ia64_invala(); + + for (;;) { + asm volatile ("ld4.c.nc %0=[%1]" : "=r"(serve) : "r"(&ss->serve) : "memory"); + if (time_before(t, serve)) + return; + cpu_relax(); + } } static inline void up_spin(struct spinaphore *ss) { - atomic_add(1, &ss->cur); + ia64_fetchadd(1, &ss->serve, rel); } static struct spinaphore ptcg_sem; diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 7de76dd..c0fca2c 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -56,10 +56,13 @@ int raw_pci_read(unsigned int seg, unsigned int bus, unsigned int devfn, if ((seg | reg) <= 255) { addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg); mode = 0; - } else { + } else if (sal_revision >= SAL_VERSION_CODE(3,2)) { addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg); mode = 1; + } else { + return -EINVAL; } + result = ia64_sal_pci_config_read(addr, mode, len, &data); if (result != 0) return -EINVAL; @@ -80,9 +83,11 @@ int raw_pci_write(unsigned int seg, unsigned int bus, unsigned int devfn, if ((seg | reg) <= 255) { addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg); mode = 0; - } else { + } else if (sal_revision >= SAL_VERSION_CODE(3,2)) { addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg); mode = 1; + } else { + return -EINVAL; } result = ia64_sal_pci_config_write(addr, mode, len, value); if (result != 0) diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c index 25831c4..308e659 100644 --- a/arch/ia64/sn/kernel/io_common.c +++ b/arch/ia64/sn/kernel/io_common.c @@ -119,7 +119,6 @@ sn_pcidev_info_get(struct pci_dev *dev) * Additionally note that the struct sn_flush_device_war also has to be * removed from arch/ia64/sn/include/xtalk/hubdev.h */ -static u8 war_implemented = 0; static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device, struct sn_flush_device_common *common) @@ -128,11 +127,8 @@ static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device, struct sn_flush_device_war *dev_entry; struct ia64_sal_retval isrv = {0,0,0,0}; - if (!war_implemented) { - printk(KERN_WARNING "PROM version < 4.50 -- implementing old " - "PROM flush WAR\n"); - war_implemented = 1; - } + printk_once(KERN_WARNING + "PROM version < 4.50 -- implementing old PROM flush WAR\n"); war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL); BUG_ON(!war_list); diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 4c7e747..55ac3c4 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -786,17 +786,18 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg) break; case SN_HWPERF_GET_OBJ_NODE: - if (a.sz != sizeof(u64) || a.arg < 0) { + i = a.arg; + if (a.sz != sizeof(u64) || i < 0) { r = -EINVAL; goto error; } if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) { - if (a.arg >= nobj) { + if (i >= nobj) { r = -EINVAL; vfree(objs); goto error; } - if (objs[(i = a.arg)].id != a.arg) { + if (objs[i].id != a.arg) { for (i = 0; i < nobj; i++) { if (objs[i].id == a.arg) break; diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index c41234f..3a9319f 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -11,6 +11,9 @@ config M32R select HAVE_IDE select HAVE_OPROFILE select INIT_ALL_POSSIBLE + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA config SBUS bool diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile index 560484a..1003880 100644 --- a/arch/m32r/boot/compressed/Makefile +++ b/arch/m32r/boot/compressed/Makefile @@ -4,8 +4,8 @@ # create a compressed vmlinux image from the original vmlinux # -targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o \ - piggy.o vmlinux.lds +targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ + vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds OBJECTS = $(obj)/head.o $(obj)/misc.o @@ -27,6 +27,12 @@ $(obj)/vmlinux.bin: vmlinux FORCE $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2) + +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) + CFLAGS_misc.o += -fpic ifdef CONFIG_MMU @@ -37,5 +43,9 @@ endif OBJCOPYFLAGS += -R .empty_zero_page -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE +suffix_$(CONFIG_KERNEL_GZIP) = gz +suffix_$(CONFIG_KERNEL_BZIP2) = bz2 +suffix_$(CONFIG_KERNEL_LZMA) = lzma + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE $(call if_changed,ld) diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c index d394292..370d608 100644 --- a/arch/m32r/boot/compressed/misc.c +++ b/arch/m32r/boot/compressed/misc.c @@ -9,140 +9,49 @@ * Adapted for SH by Stuart Menefy, Aug 1999 * * 2003-02-12: Support M32R by Takeo Takahashi - * This is based on arch/sh/boot/compressed/misc.c. */ -#include <linux/string.h> - /* * gzip declarations */ - -#define OF(args) args #define STATIC static #undef memset #undef memcpy #define memzero(s, n) memset ((s), 0, (n)) -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define WSIZE 0x8000 /* Window size must be at least 32k, */ - /* and a power of two */ - -static uch *inbuf; /* input buffer */ -static uch window[WSIZE]; /* Sliding window buffer */ - -static unsigned insize = 0; /* valid bytes in inbuf */ -static unsigned inptr = 0; /* index of next byte to be processed in inbuf */ -static unsigned outcnt = 0; /* bytes in output buffer */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ -#define RESERVED 0xC0 /* bit 6,7: reserved */ - -#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond,msg) {if(!(cond)) error(msg);} -# define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) -#endif - -static int fill_inbuf(void); -static void flush_window(void); static void error(char *m); -static unsigned char *input_data; -static int input_len; - -static long bytes_out = 0; -static uch *output_data; -static unsigned long output_ptr = 0; - #include "m32r_sio.c" static unsigned long free_mem_ptr; static unsigned long free_mem_end_ptr; -#define HEAP_SIZE 0x10000 - -#include "../../../../lib/inflate.c" - -void* memset(void* s, int c, size_t n) +#ifdef CONFIG_KERNEL_BZIP2 +static void *memset(void *s, int c, size_t n) { - int i; - char *ss = (char*)s; + char *ss = s; - for (i=0;i<n;i++) ss[i] = c; + while (n--) + *ss++ = c; return s; } +#endif -void* memcpy(void* __dest, __const void* __src, - size_t __n) -{ - int i; - char *d = (char *)__dest, *s = (char *)__src; - - for (i=0;i<__n;i++) d[i] = s[i]; - return __dest; -} - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int fill_inbuf(void) -{ - if (insize != 0) { - error("ran out of input data"); - } - - inbuf = input_data; - insize = input_len; - inptr = 1; - return inbuf[0]; -} +#ifdef CONFIG_KERNEL_GZIP +#define BOOT_HEAP_SIZE 0x10000 +#include "../../../../lib/decompress_inflate.c" +#endif -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -static void flush_window(void) -{ - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, *out, ch; +#ifdef CONFIG_KERNEL_BZIP2 +#define BOOT_HEAP_SIZE 0x400000 +#include "../../../../lib/decompress_bunzip2.c" +#endif - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out++ = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; -} +#ifdef CONFIG_KERNEL_LZMA +#define BOOT_HEAP_SIZE 0x10000 +#include "../../../../lib/decompress_unlzma.c" +#endif static void error(char *x) { @@ -153,20 +62,20 @@ static void error(char *x) while(1); /* Halt */ } -/* return decompressed size */ void decompress_kernel(int mmu_on, unsigned char *zimage_data, unsigned int zimage_len, unsigned long heap) { + unsigned char *input_data = zimage_data; + int input_len = zimage_len; + unsigned char *output_data; + output_data = (unsigned char *)CONFIG_MEMORY_START + 0x2000 + (mmu_on ? 0x80000000 : 0); free_mem_ptr = heap; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - input_data = zimage_data; - input_len = zimage_len; + free_mem_end_ptr = free_mem_ptr + BOOT_HEAP_SIZE; - makecrc(); - puts("Uncompressing Linux... "); - gunzip(); - puts("Ok, booting the kernel.\n"); + puts("\nDecompressing Linux... "); + decompress(input_data, input_len, NULL, NULL, output_data, NULL, error); + puts("done.\nBooting the kernel.\n"); } diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index 8a88f1f..31cef20 100644 --- a/arch/m32r/kernel/smp.c +++ b/arch/m32r/kernel/smp.c @@ -806,7 +806,7 @@ unsigned long send_IPI_mask_phys(cpumask_t physid_mask, int ipi_num, if (mask & ~physids_coerce(phys_cpu_present_map)) BUG(); - if (ipi_num >= NR_IPIS) + if (ipi_num >= NR_IPIS || ipi_num < 0) BUG(); mask <<= IPI_SHIFT; diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index e7fee0f1..9cedcef 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -75,7 +75,7 @@ u32 arch_gettimeoffset(void) count = 0; count = (latch - count) * TICK_SIZE; - elapsed_time = (count + latch / 2) / latch; + elapsed_time = DIV_ROUND_CLOSEST(count, latch); /* NOTE: LATCH is equal to the "interval" value (= reload count). */ #else /* CONFIG_SMP */ @@ -93,7 +93,7 @@ u32 arch_gettimeoffset(void) p_count = count; count = (latch - count) * TICK_SIZE; - elapsed_time = (count + latch / 2) / latch; + elapsed_time = DIV_ROUND_CLOSEST(count, latch); /* NOTE: LATCH is equal to the "interval" value (= reload count). */ #endif /* CONFIG_SMP */ #elif defined(CONFIG_CHIP_M32310) @@ -211,7 +211,7 @@ void __init time_init(void) bus_clock = boot_cpu_data.bus_clock; divide = boot_cpu_data.timer_divide; - latch = (bus_clock/divide + HZ / 2) / HZ; + latch = DIV_ROUND_CLOSEST(bus_clock/divide, HZ); printk("Timer start : latch = %ld\n", latch); diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S index 8ceb618..7da94ea 100644 --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -42,6 +42,8 @@ SECTIONS _etext = .; /* End of text section */ EXCEPTION_TABLE(16) + NOTES + RODATA RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) _edata = .; /* End of data section */ diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 29dd848..ecdc19a 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -561,7 +561,7 @@ config HPAPCI config MVME147_SCC bool "SCC support for MVME147 serial ports" - depends on MVME147 + depends on MVME147 && BROKEN help This is the driver for the serial ports on the Motorola MVME147 boards. Everyone using one of these boards should say Y here. @@ -576,14 +576,14 @@ config SERIAL167 config MVME162_SCC bool "SCC support for MVME162 serial ports" - depends on MVME16x + depends on MVME16x && BROKEN help This is the driver for the serial ports on the Motorola MVME162 and 172 boards. Everyone using one of these boards should say Y here. config BVME6000_SCC bool "SCC support for BVME6000 serial ports" - depends on BVME6000 + depends on BVME6000 && BROKEN help This is the driver for the serial ports on the BVME4000 and BVME6000 boards from BVM Ltd. Everyone using one of these boards should say diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 705a7a9..03bd56a 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1012,9 +1012,9 @@ config BOOT_ELF32 config MIPS_L1_CACHE_SHIFT int - default "4" if MACH_DECSTATION || MIKROTIK_RB532 + default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL + default "6" if MIPS_CPU_SCACHE default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON - default "4" if PMC_MSP4200_EVAL default "5" config HAVE_STD_PC_SERIAL_PORT diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index c88c821..d670928 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -354,6 +354,28 @@ static void au1x_ic1_ack(unsigned int irq_nr) au_sync(); } +static void au1x_ic0_maskack(unsigned int irq_nr) +{ + unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; + + au_writel(1 << bit, IC0_WAKECLR); + au_writel(1 << bit, IC0_MASKCLR); + au_writel(1 << bit, IC0_RISINGCLR); + au_writel(1 << bit, IC0_FALLINGCLR); + au_sync(); +} + +static void au1x_ic1_maskack(unsigned int irq_nr) +{ + unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE; + + au_writel(1 << bit, IC1_WAKECLR); + au_writel(1 << bit, IC1_MASKCLR); + au_writel(1 << bit, IC1_RISINGCLR); + au_writel(1 << bit, IC1_FALLINGCLR); + au_sync(); +} + static int au1x_ic1_setwake(unsigned int irq, unsigned int on) { unsigned int bit = irq - AU1000_INTC1_INT_BASE; @@ -379,25 +401,21 @@ static int au1x_ic1_setwake(unsigned int irq, unsigned int on) /* * irq_chips for both ICs; this way the mask handlers can be * as short as possible. - * - * NOTE: the ->ack() callback is used by the handle_edge_irq - * flowhandler only, the ->mask_ack() one by handle_level_irq, - * so no need for an irq_chip for each type of irq (level/edge). */ static struct irq_chip au1x_ic0_chip = { .name = "Alchemy-IC0", - .ack = au1x_ic0_ack, /* edge */ + .ack = au1x_ic0_ack, .mask = au1x_ic0_mask, - .mask_ack = au1x_ic0_mask, /* level */ + .mask_ack = au1x_ic0_maskack, .unmask = au1x_ic0_unmask, .set_type = au1x_ic_settype, }; static struct irq_chip au1x_ic1_chip = { .name = "Alchemy-IC1", - .ack = au1x_ic1_ack, /* edge */ + .ack = au1x_ic1_ack, .mask = au1x_ic1_mask, - .mask_ack = au1x_ic1_mask, /* level */ + .mask_ack = au1x_ic1_maskack, .unmask = au1x_ic1_unmask, .set_type = au1x_ic_settype, .set_wake = au1x_ic1_setwake, diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c index cc32c69..45b61c9 100644 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ b/arch/mips/alchemy/mtx-1/board_setup.c @@ -69,6 +69,7 @@ void __init board_setup(void) #else au_writel(0xf, Au1500_PCI_CFG); #endif + board_pci_idsel = mtx1_pci_idsel; #endif /* Initialize sys_pinfunc */ @@ -85,8 +86,6 @@ void __init board_setup(void) alchemy_gpio_direction_output(211, 1); /* green on */ alchemy_gpio_direction_output(212, 0); /* red off */ - board_pci_idsel = mtx1_pci_idsel; - printk(KERN_INFO "4G Systems MTX-1 Board\n"); } diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c index e2278c0..835f3f0 100644 --- a/arch/mips/ar7/platform.c +++ b/arch/mips/ar7/platform.c @@ -503,6 +503,7 @@ static int __init ar7_register_devices(void) { u16 chip_id; int res; + u32 *bootcr, val; #ifdef CONFIG_SERIAL_8250 static struct uart_port uart_port[2]; @@ -595,7 +596,13 @@ static int __init ar7_register_devices(void) ar7_wdt_res.end = ar7_wdt_res.start + 0x20; - res = platform_device_register(&ar7_wdt); + bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + val = *bootcr; + iounmap(bootcr); + + /* Register watchdog only if enabled in hardware */ + if (val & AR7_WDT_HW_ENA) + res = platform_device_register(&ar7_wdt); return res; } diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index c146d1e..00064b6 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +1,5 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o + dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index 78e155d..05a35cf 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -24,7 +24,6 @@ #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> #include <bcm63xx_dev_pcmcia.h> -#include <bcm63xx_dev_uart.h> #include <board_bcm963xx.h> #define PFX "board_bcm963xx: " @@ -794,8 +793,6 @@ int __init board_register_devices(void) { u32 val; - bcm63xx_uart_register(); - if (board.has_pccard) bcm63xx_pcmcia_register(); diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 6dc43f0..70378bb 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/cpu.h> +#include <asm/cpu-info.h> #include <bcm63xx_cpu.h> #include <bcm63xx_regs.h> #include <bcm63xx_io.h> @@ -284,6 +285,7 @@ void __init bcm63xx_cpu_init(void) { unsigned int tmp, expected_cpu_id; struct cpuinfo_mips *c = ¤t_cpu_data; + unsigned int cpu = smp_processor_id(); /* soc registers location depends on cpu type */ expected_cpu_id = 0; @@ -293,6 +295,7 @@ void __init bcm63xx_cpu_init(void) * BCM6338 as the same PrId as BCM3302 see arch/mips/kernel/cpu-probe.c */ case CPU_BCM3302: + __cpu_name[cpu] = "Broadcom BCM6338"; expected_cpu_id = BCM6338_CPU_ID; bcm63xx_regs_base = bcm96338_regs_base; bcm63xx_irqs = bcm96338_irqs; diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c index 5f3d89c..b051946 100644 --- a/arch/mips/bcm63xx/dev-uart.c +++ b/arch/mips/bcm63xx/dev-uart.c @@ -10,7 +10,6 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <bcm63xx_cpu.h> -#include <bcm63xx_dev_uart.h> static struct resource uart_resources[] = { { @@ -39,3 +38,4 @@ int __init bcm63xx_uart_register(void) uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0); return platform_device_register(&bcm63xx_uart_device); } +arch_initcall(bcm63xx_uart_register); diff --git a/arch/mips/bcm63xx/dev-wdt.c b/arch/mips/bcm63xx/dev-wdt.c new file mode 100644 index 0000000..3e6c716 --- /dev/null +++ b/arch/mips/bcm63xx/dev-wdt.c @@ -0,0 +1,37 @@ +/* + * 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. + * + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource wdt_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device bcm63xx_wdt_device = { + .name = "bcm63xx-wdt", + .id = 0, + .num_resources = ARRAY_SIZE(wdt_resources), + .resource = wdt_resources, +}; + +int __init bcm63xx_wdt_register(void) +{ + wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT); + wdt_resources[0].end = wdt_resources[0].start; + wdt_resources[0].end += RSET_WDT_SIZE - 1; + + return platform_device_register(&bcm63xx_wdt_device); +} +arch_initcall(bcm63xx_wdt_register); diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c index b18a0ca..d005659 100644 --- a/arch/mips/bcm63xx/setup.c +++ b/arch/mips/bcm63xx/setup.c @@ -75,7 +75,9 @@ void bcm63xx_machine_reboot(void) bcm6348_a1_reboot(); printk(KERN_INFO "triggering watchdog soft-reset...\n"); - bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG); + reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); + reg |= SYS_PLL_SOFT_RESET; + bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); while (1) ; } diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index 384f184..6f2acf0 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -17,6 +17,15 @@ DEFINE_RWLOCK(octeon_irq_ciu0_rwlock); DEFINE_RWLOCK(octeon_irq_ciu1_rwlock); DEFINE_SPINLOCK(octeon_irq_msi_lock); +static int octeon_coreid_for_cpu(int cpu) +{ +#ifdef CONFIG_SMP + return cpu_logical_map(cpu); +#else + return cvmx_get_core_num(); +#endif +} + static void octeon_irq_core_ack(unsigned int irq) { unsigned int bit = irq - OCTEON_IRQ_SW0; @@ -152,11 +161,10 @@ static void octeon_irq_ciu0_disable(unsigned int irq) int bit = irq - OCTEON_IRQ_WORKQ0; /* Bit 0-63 of EN0 */ unsigned long flags; uint64_t en0; -#ifdef CONFIG_SMP int cpu; write_lock_irqsave(&octeon_irq_ciu0_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); en0 &= ~(1ull << bit); cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0); @@ -167,26 +175,57 @@ static void octeon_irq_ciu0_disable(unsigned int irq) */ cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2)); write_unlock_irqrestore(&octeon_irq_ciu0_rwlock, flags); -#else - int coreid = cvmx_get_core_num(); - local_irq_save(flags); - en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); - en0 &= ~(1ull << bit); - cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0); - cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); - local_irq_restore(flags); -#endif +} + +/* + * Enable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu0_enable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2; + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask); +} + +/* + * Disable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu0_disable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2; + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask); +} + +/* + * Disable the irq on the all cores for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu0_disable_all_v2(unsigned int irq) +{ + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + int index; + int cpu; + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2; + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask); + } } #ifdef CONFIG_SMP static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *dest) { int cpu; + unsigned long flags; int bit = irq - OCTEON_IRQ_WORKQ0; /* Bit 0-63 of EN0 */ - write_lock(&octeon_irq_ciu0_rwlock); + write_lock_irqsave(&octeon_irq_ciu0_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); uint64_t en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); if (cpumask_test_cpu(cpu, dest)) @@ -200,11 +239,45 @@ static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask * * of them are done. */ cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2)); - write_unlock(&octeon_irq_ciu0_rwlock); + write_unlock_irqrestore(&octeon_irq_ciu0_rwlock, flags); return 0; } + +/* + * Set affinity for the irq for chips that have the EN*_W1{S,C} + * registers. + */ +static int octeon_irq_ciu0_set_affinity_v2(unsigned int irq, + const struct cpumask *dest) +{ + int cpu; + int index; + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2; + if (cpumask_test_cpu(cpu, dest)) + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask); + else + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask); + } + return 0; +} +#endif + +/* + * Newer octeon chips have support for lockless CIU operation. + */ +static struct irq_chip octeon_irq_chip_ciu0_v2 = { + .name = "CIU0", + .enable = octeon_irq_ciu0_enable_v2, + .disable = octeon_irq_ciu0_disable_all_v2, + .ack = octeon_irq_ciu0_disable_v2, + .eoi = octeon_irq_ciu0_enable_v2, +#ifdef CONFIG_SMP + .set_affinity = octeon_irq_ciu0_set_affinity_v2, #endif +}; static struct irq_chip octeon_irq_chip_ciu0 = { .name = "CIU0", @@ -269,11 +342,10 @@ static void octeon_irq_ciu1_disable(unsigned int irq) int bit = irq - OCTEON_IRQ_WDOG0; /* Bit 0-63 of EN1 */ unsigned long flags; uint64_t en1; -#ifdef CONFIG_SMP int cpu; write_lock_irqsave(&octeon_irq_ciu1_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1)); en1 &= ~(1ull << bit); cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1); @@ -284,26 +356,58 @@ static void octeon_irq_ciu1_disable(unsigned int irq) */ cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1)); write_unlock_irqrestore(&octeon_irq_ciu1_rwlock, flags); -#else - int coreid = cvmx_get_core_num(); - local_irq_save(flags); - en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1)); - en1 &= ~(1ull << bit); - cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1); - cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1)); - local_irq_restore(flags); -#endif +} + +/* + * Enable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu1_enable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2 + 1; + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask); +} + +/* + * Disable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu1_disable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2 + 1; + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask); +} + +/* + * Disable the irq on the all cores for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu1_disable_all_v2(unsigned int irq) +{ + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + int index; + int cpu; + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2 + 1; + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask); + } } #ifdef CONFIG_SMP -static int octeon_irq_ciu1_set_affinity(unsigned int irq, const struct cpumask *dest) +static int octeon_irq_ciu1_set_affinity(unsigned int irq, + const struct cpumask *dest) { int cpu; + unsigned long flags; int bit = irq - OCTEON_IRQ_WDOG0; /* Bit 0-63 of EN1 */ - write_lock(&octeon_irq_ciu1_rwlock); + write_lock_irqsave(&octeon_irq_ciu1_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); uint64_t en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1 (coreid * 2 + 1)); @@ -318,12 +422,46 @@ static int octeon_irq_ciu1_set_affinity(unsigned int irq, const struct cpumask * * of them are done. */ cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1)); - write_unlock(&octeon_irq_ciu1_rwlock); + write_unlock_irqrestore(&octeon_irq_ciu1_rwlock, flags); + + return 0; +} +/* + * Set affinity for the irq for chips that have the EN*_W1{S,C} + * registers. + */ +static int octeon_irq_ciu1_set_affinity_v2(unsigned int irq, + const struct cpumask *dest) +{ + int cpu; + int index; + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2 + 1; + if (cpumask_test_cpu(cpu, dest)) + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask); + else + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask); + } return 0; } #endif +/* + * Newer octeon chips have support for lockless CIU operation. + */ +static struct irq_chip octeon_irq_chip_ciu1_v2 = { + .name = "CIU0", + .enable = octeon_irq_ciu1_enable_v2, + .disable = octeon_irq_ciu1_disable_all_v2, + .ack = octeon_irq_ciu1_disable_v2, + .eoi = octeon_irq_ciu1_enable_v2, +#ifdef CONFIG_SMP + .set_affinity = octeon_irq_ciu1_set_affinity_v2, +#endif +}; + static struct irq_chip octeon_irq_chip_ciu1 = { .name = "CIU1", .enable = octeon_irq_ciu1_enable, @@ -420,6 +558,8 @@ static struct irq_chip octeon_irq_chip_msi = { void __init arch_init_irq(void) { int irq; + struct irq_chip *chip0; + struct irq_chip *chip1; #ifdef CONFIG_SMP /* Set the default affinity to the boot cpu. */ @@ -430,6 +570,16 @@ void __init arch_init_irq(void) if (NR_IRQS < OCTEON_IRQ_LAST) pr_err("octeon_irq_init: NR_IRQS is set too low\n"); + if (OCTEON_IS_MODEL(OCTEON_CN58XX_PASS2_X) || + OCTEON_IS_MODEL(OCTEON_CN56XX_PASS2_X) || + OCTEON_IS_MODEL(OCTEON_CN52XX_PASS2_X)) { + chip0 = &octeon_irq_chip_ciu0_v2; + chip1 = &octeon_irq_chip_ciu1_v2; + } else { + chip0 = &octeon_irq_chip_ciu0; + chip1 = &octeon_irq_chip_ciu1; + } + /* 0 - 15 reserved for i8259 master and slave controller. */ /* 17 - 23 Mips internal */ @@ -440,14 +590,12 @@ void __init arch_init_irq(void) /* 24 - 87 CIU_INT_SUM0 */ for (irq = OCTEON_IRQ_WORKQ0; irq <= OCTEON_IRQ_BOOTDMA; irq++) { - set_irq_chip_and_handler(irq, &octeon_irq_chip_ciu0, - handle_percpu_irq); + set_irq_chip_and_handler(irq, chip0, handle_percpu_irq); } /* 88 - 151 CIU_INT_SUM1 */ for (irq = OCTEON_IRQ_WDOG0; irq <= OCTEON_IRQ_RESERVED151; irq++) { - set_irq_chip_and_handler(irq, &octeon_irq_chip_ciu1, - handle_percpu_irq); + set_irq_chip_and_handler(irq, chip1, handle_percpu_irq); } #ifdef CONFIG_PCI_MSI @@ -505,14 +653,10 @@ asmlinkage void plat_irq_dispatch(void) #ifdef CONFIG_HOTPLUG_CPU static int is_irq_enabled_on_cpu(unsigned int irq, unsigned int cpu) { - unsigned int isset; -#ifdef CONFIG_SMP - int coreid = cpu_logical_map(cpu); -#else - int coreid = cvmx_get_core_num(); -#endif + unsigned int isset; + int coreid = octeon_coreid_for_cpu(cpu); int bit = (irq < OCTEON_IRQ_WDOG0) ? - irq - OCTEON_IRQ_WORKQ0 : irq - OCTEON_IRQ_WDOG0; + irq - OCTEON_IRQ_WORKQ0 : irq - OCTEON_IRQ_WDOG0; if (irq < 64) { isset = (cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)) & (1ull << bit)) >> bit; diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 32d51a31..c198efd 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -65,11 +65,12 @@ void octeon_send_ipi_single(int cpu, unsigned int action) cvmx_write_csr(CVMX_CIU_MBOX_SETX(coreid), action); } -static inline void octeon_send_ipi_mask(cpumask_t mask, unsigned int action) +static inline void octeon_send_ipi_mask(const struct cpumask *mask, + unsigned int action) { unsigned int i; - for_each_cpu_mask(i, mask) + for_each_cpu_mask(i, *mask) octeon_send_ipi_single(i, action); } diff --git a/arch/mips/include/asm/fixmap.h b/arch/mips/include/asm/fixmap.h index efeddc8..0b89b83 100644 --- a/arch/mips/include/asm/fixmap.h +++ b/arch/mips/include/asm/fixmap.h @@ -48,9 +48,9 @@ enum fixed_addresses { #define FIX_N_COLOURS 8 FIX_CMAP_BEGIN, #ifdef CONFIG_MIPS_MT_SMTC - FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS), + FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS * 2), #else - FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS, + FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * 2), #endif #ifdef CONFIG_HIGHMEM /* reserved pte's for temporary kernel mappings */ diff --git a/arch/mips/include/asm/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h index 36fd969..c0cf76a 100644 --- a/arch/mips/include/asm/gcmpregs.h +++ b/arch/mips/include/asm/gcmpregs.h @@ -19,15 +19,20 @@ #define GCMP_GDB_OFS 0x8000 /* Global Debug Block */ /* Offsets to individual GCMP registers from GCMP base */ -#define GCMPOFS(block, tag, reg) (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS) +#define GCMPOFS(block, tag, reg) \ + (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS) +#define GCMPOFSn(block, tag, reg, n) \ + (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS(n)) #define GCMPGCBOFS(reg) GCMPOFS(GCB, GCB, reg) +#define GCMPGCBOFSn(reg, n) GCMPOFSn(GCB, GCB, reg, n) #define GCMPCLCBOFS(reg) GCMPOFS(CLCB, CCB, reg) #define GCMPCOCBOFS(reg) GCMPOFS(COCB, CCB, reg) #define GCMPGDBOFS(reg) GCMPOFS(GDB, GDB, reg) /* GCMP register access */ #define GCMPGCB(reg) REGP(_gcmp_base, GCMPGCBOFS(reg)) +#define GCMPGCBn(reg, n) REGP(_gcmp_base, GCMPGCBOFSn(reg, n)) #define GCMPCLCB(reg) REGP(_gcmp_base, GCMPCLCBOFS(reg)) #define GCMPCOCB(reg) REGP(_gcmp_base, GCMPCOCBOFS(reg)) #define GCMPGDB(reg) REGP(_gcmp_base, GCMPGDBOFS(reg)) @@ -49,10 +54,10 @@ #define GCMP_GCB_GCMPB_GCMPBASE_MSK GCMPGCBMSK(GCMPB_GCMPBASE, 17) #define GCMP_GCB_GCMPB_CMDEFTGT_SHF 0 #define GCMP_GCB_GCMPB_CMDEFTGT_MSK GCMPGCBMSK(GCMPB_CMDEFTGT, 2) -#define GCMP_GCB_GCMPB_CMDEFTGT_MEM 0 -#define GCMP_GCB_GCMPB_CMDEFTGT_MEM1 1 -#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU1 2 -#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU2 3 +#define GCMP_GCB_GCMPB_CMDEFTGT_DISABLED 0 +#define GCMP_GCB_GCMPB_CMDEFTGT_MEM 1 +#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU1 2 +#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU2 3 #define GCMP_GCB_CCMC_OFS 0x0010 /* Global CM Control */ #define GCMP_GCB_GCSRAP_OFS 0x0020 /* Global CSR Access Privilege */ #define GCMP_GCB_GCSRAP_CMACCESS_SHF 0 @@ -115,5 +120,6 @@ #define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */ extern int __init gcmp_probe(unsigned long, unsigned long); - +extern int __init gcmp_niocu(void); +extern void __init gcmp_setregion(int, unsigned long, unsigned long, int); #endif /* _ASM_GCMPREGS_H */ diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index a8f5734..9b9436a 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -12,7 +12,6 @@ #define _ASM_GICREGS_H #undef GICISBYTELITTLEENDIAN -#define GICISWORDLITTLEENDIAN /* Constants */ #define GIC_POL_POS 1 @@ -20,11 +19,7 @@ #define GIC_TRIG_EDGE 1 #define GIC_TRIG_LEVEL 0 -#ifdef CONFIG_SMP #define GIC_NUM_INTRS (24 + NR_CPUS * 2) -#else -#define GIC_NUM_INTRS 32 -#endif #define MSK(n) ((1 << (n)) - 1) #define REG32(addr) (*(volatile unsigned int *) (addr)) @@ -70,13 +65,13 @@ #define USM_VISIBLE_SECTION_SIZE 0x10000 /* Register Map for Shared Section */ -#if defined(CONFIG_CPU_LITTLE_ENDIAN) || defined(GICISWORDLITTLEENDIAN) #define GIC_SH_CONFIG_OFS 0x0000 /* Shared Global Counter */ #define GIC_SH_COUNTER_31_00_OFS 0x0010 #define GIC_SH_COUNTER_63_32_OFS 0x0014 +#define GIC_SH_REVISIONID_OFS 0x0020 /* Interrupt Polarity */ #define GIC_SH_POL_31_0_OFS 0x0100 @@ -164,24 +159,31 @@ (GIC_SH_INTR_MAP_TO_VPE_BASE_OFS + (32 * (intr)) + (((vpe) / 32) * 4)) #define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32)) +/* Convert an interrupt number to a byte offset/bit for multi-word registers */ +#define GIC_INTR_OFS(intr) (((intr) / 32)*4) +#define GIC_INTR_BIT(intr) ((intr) % 32) + /* Polarity : Reset Value is always 0 */ #define GIC_SH_SET_POLARITY_OFS 0x0100 #define GIC_SET_POLARITY(intr, pol) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + (((intr) / 32) * 4)), (pol) << ((intr) % 32)) + GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + \ + GIC_INTR_OFS(intr)), (pol) << GIC_INTR_BIT(intr)) /* Triggering : Reset Value is always 0 */ #define GIC_SH_SET_TRIGGER_OFS 0x0180 #define GIC_SET_TRIGGER(intr, trig) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + (((intr) / 32) * 4)), (trig) << ((intr) % 32)) + GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + \ + GIC_INTR_OFS(intr)), (trig) << GIC_INTR_BIT(intr)) /* Mask manipulation */ #define GIC_SH_SMASK_OFS 0x0380 -#define GIC_SET_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + (((intr) / 32) * 4)), ((val) << ((intr) % 32))) - +#define GIC_SET_INTR_MASK(intr) \ + GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + \ + GIC_INTR_OFS(intr)), 1 << GIC_INTR_BIT(intr)) #define GIC_SH_RMASK_OFS 0x0300 -#define GIC_CLR_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + (((intr) / 32) * 4)), ((val) << ((intr) % 32))) +#define GIC_CLR_INTR_MASK(intr) \ + GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + \ + GIC_INTR_OFS(intr)), 1 << GIC_INTR_BIT(intr)) /* Register Map for Local Section */ #define GIC_VPE_CTL_OFS 0x0000 @@ -219,161 +221,6 @@ #define GIC_UMV_SH_COUNTER_31_00_OFS 0x0000 #define GIC_UMV_SH_COUNTER_63_32_OFS 0x0004 -#else /* CONFIG_CPU_BIG_ENDIAN */ - -#define GIC_SH_CONFIG_OFS 0x0000 - -/* Shared Global Counter */ -#define GIC_SH_COUNTER_31_00_OFS 0x0014 -#define GIC_SH_COUNTER_63_32_OFS 0x0010 - -/* Interrupt Polarity */ -#define GIC_SH_POL_31_0_OFS 0x0104 -#define GIC_SH_POL_63_32_OFS 0x0100 -#define GIC_SH_POL_95_64_OFS 0x010c -#define GIC_SH_POL_127_96_OFS 0x0108 -#define GIC_SH_POL_159_128_OFS 0x0114 -#define GIC_SH_POL_191_160_OFS 0x0110 -#define GIC_SH_POL_223_192_OFS 0x011c -#define GIC_SH_POL_255_224_OFS 0x0118 - -/* Edge/Level Triggering */ -#define GIC_SH_TRIG_31_0_OFS 0x0184 -#define GIC_SH_TRIG_63_32_OFS 0x0180 -#define GIC_SH_TRIG_95_64_OFS 0x018c -#define GIC_SH_TRIG_127_96_OFS 0x0188 -#define GIC_SH_TRIG_159_128_OFS 0x0194 -#define GIC_SH_TRIG_191_160_OFS 0x0190 -#define GIC_SH_TRIG_223_192_OFS 0x019c -#define GIC_SH_TRIG_255_224_OFS 0x0198 - -/* Dual Edge Triggering */ -#define GIC_SH_DUAL_31_0_OFS 0x0204 -#define GIC_SH_DUAL_63_32_OFS 0x0200 -#define GIC_SH_DUAL_95_64_OFS 0x020c -#define GIC_SH_DUAL_127_96_OFS 0x0208 -#define GIC_SH_DUAL_159_128_OFS 0x0214 -#define GIC_SH_DUAL_191_160_OFS 0x0210 -#define GIC_SH_DUAL_223_192_OFS 0x021c -#define GIC_SH_DUAL_255_224_OFS 0x0218 - -/* Set/Clear corresponding bit in Edge Detect Register */ -#define GIC_SH_WEDGE_OFS 0x0280 - -/* Reset Mask - Disables Interrupt */ -#define GIC_SH_RMASK_31_0_OFS 0x0304 -#define GIC_SH_RMASK_63_32_OFS 0x0300 -#define GIC_SH_RMASK_95_64_OFS 0x030c -#define GIC_SH_RMASK_127_96_OFS 0x0308 -#define GIC_SH_RMASK_159_128_OFS 0x0314 -#define GIC_SH_RMASK_191_160_OFS 0x0310 -#define GIC_SH_RMASK_223_192_OFS 0x031c -#define GIC_SH_RMASK_255_224_OFS 0x0318 - -/* Set Mask (WO) - Enables Interrupt */ -#define GIC_SH_SMASK_31_0_OFS 0x0384 -#define GIC_SH_SMASK_63_32_OFS 0x0380 -#define GIC_SH_SMASK_95_64_OFS 0x038c -#define GIC_SH_SMASK_127_96_OFS 0x0388 -#define GIC_SH_SMASK_159_128_OFS 0x0394 -#define GIC_SH_SMASK_191_160_OFS 0x0390 -#define GIC_SH_SMASK_223_192_OFS 0x039c -#define GIC_SH_SMASK_255_224_OFS 0x0398 - -/* Global Interrupt Mask Register (RO) - Bit Set == Interrupt enabled */ -#define GIC_SH_MASK_31_0_OFS 0x0404 -#define GIC_SH_MASK_63_32_OFS 0x0400 -#define GIC_SH_MASK_95_64_OFS 0x040c -#define GIC_SH_MASK_127_96_OFS 0x0408 -#define GIC_SH_MASK_159_128_OFS 0x0414 -#define GIC_SH_MASK_191_160_OFS 0x0410 -#define GIC_SH_MASK_223_192_OFS 0x041c -#define GIC_SH_MASK_255_224_OFS 0x0418 - -/* Pending Global Interrupts (RO) */ -#define GIC_SH_PEND_31_0_OFS 0x0484 -#define GIC_SH_PEND_63_32_OFS 0x0480 -#define GIC_SH_PEND_95_64_OFS 0x048c -#define GIC_SH_PEND_127_96_OFS 0x0488 -#define GIC_SH_PEND_159_128_OFS 0x0494 -#define GIC_SH_PEND_191_160_OFS 0x0490 -#define GIC_SH_PEND_223_192_OFS 0x049c -#define GIC_SH_PEND_255_224_OFS 0x0498 - -#define GIC_SH_INTR_MAP_TO_PIN_BASE_OFS 0x0500 - -/* Maps Interrupt X to a Pin */ -#define GIC_SH_MAP_TO_PIN(intr) \ - (GIC_SH_INTR_MAP_TO_PIN_BASE_OFS + (4 * intr)) - -#define GIC_SH_INTR_MAP_TO_VPE_BASE_OFS 0x2004 - -/* - * Maps Interrupt X to a VPE. This is more complex than the LE case, as - * odd and even registers need to be transposed. It does work - trust me! - */ -#define GIC_SH_MAP_TO_VPE_REG_OFF(intr, vpe) \ - (GIC_SH_INTR_MAP_TO_VPE_BASE_OFS + (32 * (intr)) + \ - (((((vpe) / 32) ^ 1) - 1) * 4)) -#define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32)) - -/* Polarity */ -#define GIC_SH_SET_POLARITY_OFS 0x0100 -#define GIC_SET_POLARITY(intr, pol) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), (pol) << ((intr) % 32)) - -/* Triggering */ -#define GIC_SH_SET_TRIGGER_OFS 0x0180 -#define GIC_SET_TRIGGER(intr, trig) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), (trig) << ((intr) % 32)) - -/* Mask manipulation */ -#define GIC_SH_SMASK_OFS 0x0380 -#define GIC_SET_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), ((val) << ((intr) % 32))) - -#define GIC_SH_RMASK_OFS 0x0300 -#define GIC_CLR_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), ((val) << ((intr) % 32))) - -/* Register Map for Local Section */ -#define GIC_VPE_CTL_OFS 0x0000 -#define GIC_VPE_PEND_OFS 0x0004 -#define GIC_VPE_MASK_OFS 0x0008 -#define GIC_VPE_RMASK_OFS 0x000c -#define GIC_VPE_SMASK_OFS 0x0010 -#define GIC_VPE_WD_MAP_OFS 0x0040 -#define GIC_VPE_COMPARE_MAP_OFS 0x0044 -#define GIC_VPE_TIMER_MAP_OFS 0x0048 -#define GIC_VPE_PERFCTR_MAP_OFS 0x0050 -#define GIC_VPE_SWINT0_MAP_OFS 0x0054 -#define GIC_VPE_SWINT1_MAP_OFS 0x0058 -#define GIC_VPE_OTHER_ADDR_OFS 0x0080 -#define GIC_VPE_WD_CONFIG0_OFS 0x0090 -#define GIC_VPE_WD_COUNT0_OFS 0x0094 -#define GIC_VPE_WD_INITIAL0_OFS 0x0098 -#define GIC_VPE_COMPARE_LO_OFS 0x00a4 -#define GIC_VPE_COMPARE_HI_OFS 0x00a0 - -#define GIC_VPE_EIC_SHADOW_SET_BASE 0x0100 -#define GIC_VPE_EIC_SS(intr) \ - (GIC_EIC_SHADOW_SET_BASE + (4 * intr)) - -#define GIC_VPE_EIC_VEC_BASE 0x0800 -#define GIC_VPE_EIC_VEC(intr) \ - (GIC_VPE_EIC_VEC_BASE + (4 * intr)) - -#define GIC_VPE_TENABLE_NMI_OFS 0x1000 -#define GIC_VPE_TENABLE_YQ_OFS 0x1004 -#define GIC_VPE_TENABLE_INT_31_0_OFS 0x1080 -#define GIC_VPE_TENABLE_INT_63_32_OFS 0x1084 - -/* User Mode Visible Section Register Map */ -#define GIC_UMV_SH_COUNTER_31_00_OFS 0x0004 -#define GIC_UMV_SH_COUNTER_63_32_OFS 0x0000 - -#endif /* !LE */ - /* Masks */ #define GIC_SH_CONFIG_COUNTSTOP_SHF 28 #define GIC_SH_CONFIG_COUNTSTOP_MSK (MSK(1) << GIC_SH_CONFIG_COUNTSTOP_SHF) @@ -473,12 +320,13 @@ struct gic_intrmask_regs { * in building ipi_map. */ struct gic_intr_map { - unsigned int intrnum; /* Ext Intr Num */ unsigned int cpunum; /* Directed to this CPU */ unsigned int pin; /* Directed to this Pin */ unsigned int polarity; /* Polarity : +/- */ unsigned int trigtype; /* Trigger : Edge/Levl */ - unsigned int ipiflag; /* Is used for IPI ? */ + unsigned int flags; /* Misc flags */ +#define GIC_FLAG_IPI 0x01 +#define GIC_FLAG_TRANSPARENT 0x02 }; extern void gic_init(unsigned long gic_base_addr, diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h index de71694..21cbbc7 100644 --- a/arch/mips/include/asm/mach-ar7/ar7.h +++ b/arch/mips/include/asm/mach-ar7/ar7.h @@ -78,6 +78,9 @@ #define AR7_REF_CLOCK 25000000 #define AR7_XTAL_CLOCK 24000000 +/* DCL */ +#define AR7_WDT_HW_ENA 0x10 + struct plat_cpmac_data { int reset_bit; int power_bit; diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h index feea001..91595fa 100644 --- a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h +++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h @@ -104,6 +104,8 @@ static inline int au1100_gpio2_to_irq(int gpio) if ((gpio >= 8) && (gpio <= 15)) return MAKE_IRQ(0, 29); /* shared GPIO208_215 */ + + return -ENXIO; } #ifdef CONFIG_SOC_AU1100 diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h deleted file mode 100644 index bf348f5..0000000 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef BCM63XX_DEV_UART_H_ -#define BCM63XX_DEV_UART_H_ - -int bcm63xx_uart_register(void); - -#endif /* BCM63XX_DEV_UART_H_ */ diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h index f683742..09a59bc 100644 --- a/arch/mips/include/asm/mach-ip27/topology.h +++ b/arch/mips/include/asm/mach-ip27/topology.h @@ -44,8 +44,8 @@ extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; .busy_factor = 32, \ .imbalance_pct = 125, \ .cache_nice_tries = 1, \ - .flags = SD_LOAD_BALANCE \ - | SD_BALANCE_EXEC \ + .flags = SD_LOAD_BALANCE | \ + SD_BALANCE_EXEC, \ .last_balance = jiffies, \ .balance_interval = 1, \ .nr_balance_failed = 0, \ diff --git a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h index ce5b6e27..9947e57 100644 --- a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h @@ -29,7 +29,7 @@ #define cpu_has_cache_cdex_p 0 #define cpu_has_cache_cdex_s 0 #define cpu_has_counter 1 -#define cpu_has_dc_aliases 1 +#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000) #define cpu_has_divec 0 #define cpu_has_dsp 0 #define cpu_has_ejtag 0 @@ -54,6 +54,5 @@ #define cpu_has_vce 0 #define cpu_has_vtag_icache 0 #define cpu_has_watch 1 -#define cpu_icache_snoops_remote_store 1 #endif /* __ASM_MACH_LOONGSON_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index d974353..6083db5 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -16,6 +16,7 @@ #include <linux/smp.h> #include <linux/slab.h> #include <asm/cacheflush.h> +#include <asm/hazards.h> #include <asm/tlbflush.h> #ifdef CONFIG_MIPS_MT_SMTC #include <asm/mipsmtregs.h> @@ -36,11 +37,13 @@ extern unsigned long pgd_current[]; #ifdef CONFIG_32BIT #define TLBMISS_HANDLER_SETUP() \ write_c0_context((unsigned long) smp_processor_id() << 25); \ + back_to_back_c0_hazard(); \ TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) #endif #ifdef CONFIG_64BIT #define TLBMISS_HANDLER_SETUP() \ write_c0_context((unsigned long) smp_processor_id() << 26); \ + back_to_back_c0_hazard(); \ TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) #endif @@ -165,12 +168,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, * having ASID_MASK smaller than the hardware maximum, * make sure no "soft" bits become "hard"... */ - write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) - | (cpu_context(cpu, next) & ASID_MASK)); + write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | + cpu_asid(cpu, next)); ehb(); /* Make sure it propagates to TCStatus */ evpe(mtflags); #else - write_c0_entryhi(cpu_context(cpu, next)); + write_c0_entryhi(cpu_asid(cpu, next)); #endif /* CONFIG_MIPS_MT_SMTC */ TLBMISS_HANDLER_SETUP_PGD(next->pgd); @@ -226,11 +229,11 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next) } /* See comments for similar code above */ write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | - (cpu_context(cpu, next) & ASID_MASK)); + cpu_asid(cpu, next)); ehb(); /* Make sure it propagates to TCStatus */ evpe(mtflags); #else - write_c0_entryhi(cpu_context(cpu, next)); + write_c0_entryhi(cpu_asid(cpu, next)); #endif /* CONFIG_MIPS_MT_SMTC */ TLBMISS_HANDLER_SETUP_PGD(next->pgd); diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h index e600ced..50511aa 100644 --- a/arch/mips/include/asm/setup.h +++ b/arch/mips/include/asm/setup.h @@ -1,7 +1,7 @@ #ifndef _MIPS_SETUP_H #define _MIPS_SETUP_H -#define COMMAND_LINE_SIZE 256 +#define COMMAND_LINE_SIZE 4096 #ifdef __KERNEL__ extern void setup_early_printk(void); diff --git a/arch/mips/include/asm/smtc_ipi.h b/arch/mips/include/asm/smtc_ipi.h index 8ce5175..15278db 100644 --- a/arch/mips/include/asm/smtc_ipi.h +++ b/arch/mips/include/asm/smtc_ipi.h @@ -45,6 +45,7 @@ struct smtc_ipi_q { spinlock_t lock; struct smtc_ipi *tail; int depth; + int resched_flag; /* reschedule already queued */ }; static inline void smtc_ipi_nq(struct smtc_ipi_q *q, struct smtc_ipi *p) diff --git a/arch/mips/include/asm/spram.h b/arch/mips/include/asm/spram.h new file mode 100644 index 0000000..0b89006 --- /dev/null +++ b/arch/mips/include/asm/spram.h @@ -0,0 +1,10 @@ +#ifndef _MIPS_SPRAM_H +#define _MIPS_SPRAM_H + +#ifdef CONFIG_CPU_MIPSR2 +extern __init void spram_config(void); +#else +static inline void spram_config(void) { }; +#endif /* CONFIG_CPU_MIPSR2 */ + +#endif /* _MIPS_SPRAM_H */ diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 01cc163..845da21 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -86,14 +86,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR #ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(tsk) \ -({ \ - struct thread_info *ret; \ - \ - ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \ - \ - ret; \ -}) +#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL) #else #define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL) #endif diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 7fd170d..7bd32d0 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -134,7 +134,7 @@ static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id) static struct irqaction r4030_timer_irqaction = { .handler = r4030_timer_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_TIMER, .name = "R4030 timer", }; diff --git a/arch/mips/kernel/cevt-bcm1480.c b/arch/mips/kernel/cevt-bcm1480.c index e02f79b..bfea327 100644 --- a/arch/mips/kernel/cevt-bcm1480.c +++ b/arch/mips/kernel/cevt-bcm1480.c @@ -144,7 +144,7 @@ void __cpuinit sb1480_clockevent_init(void) bcm1480_unmask_irq(cpu, irq); action->handler = sibyte_counter_handler; - action->flags = IRQF_DISABLED | IRQF_PERCPU; + action->flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER; action->name = name; action->dev_id = cd; diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c index 6996da4..00a4da2 100644 --- a/arch/mips/kernel/cevt-ds1287.c +++ b/arch/mips/kernel/cevt-ds1287.c @@ -107,7 +107,7 @@ static irqreturn_t ds1287_interrupt(int irq, void *dev_id) static struct irqaction ds1287_irqaction = { .handler = ds1287_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "ds1287", }; diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c index 92351e0..f5d265e 100644 --- a/arch/mips/kernel/cevt-gt641xx.c +++ b/arch/mips/kernel/cevt-gt641xx.c @@ -113,7 +113,7 @@ static irqreturn_t gt641xx_timer0_interrupt(int irq, void *dev_id) static struct irqaction gt641xx_timer0_irqaction = { .handler = gt641xx_timer0_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "gt641xx_timer0", }; diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 2652362..b469ad0 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -83,7 +83,7 @@ out: struct irqaction c0_compare_irqaction = { .handler = c0_compare_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "timer", }; diff --git a/arch/mips/kernel/cevt-sb1250.c b/arch/mips/kernel/cevt-sb1250.c index ac5903d..da78eea 100644 --- a/arch/mips/kernel/cevt-sb1250.c +++ b/arch/mips/kernel/cevt-sb1250.c @@ -143,7 +143,7 @@ void __cpuinit sb1250_clockevent_init(void) sb1250_unmask_irq(cpu, irq); action->handler = sibyte_counter_handler; - action->flags = IRQF_DISABLED | IRQF_PERCPU; + action->flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER; action->name = name; action->dev_id = cd; diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c index 0037f21..218ee6b 100644 --- a/arch/mips/kernel/cevt-txx9.c +++ b/arch/mips/kernel/cevt-txx9.c @@ -146,7 +146,7 @@ static irqreturn_t txx9tmr_interrupt(int irq, void *dev_id) static struct irqaction txx9tmr_irq = { .handler = txx9tmr_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "txx9tmr", .dev_id = &txx9_clock_event_device, }; diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index f709657..7a51866 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -23,7 +23,7 @@ #include <asm/mipsregs.h> #include <asm/system.h> #include <asm/watch.h> - +#include <asm/spram.h> /* * Not all of the MIPS CPUs have the "wait" instruction available. Moreover, * the implementation of the "wait" feature differs between CPU families. This @@ -711,12 +711,6 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c) mips_probe_watch_registers(c); } -#ifdef CONFIG_CPU_MIPSR2 -extern void spram_config(void); -#else -static inline void spram_config(void) {} -#endif - static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) { decode_configs(c); diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index 531ce7b..ea695d9 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -191,6 +191,7 @@ NESTED(kernel_entry, 16, sp) # kernel entry point /* Set the SP after an empty pt_regs. */ PTR_LI sp, _THREAD_SIZE - 32 - PT_SIZE PTR_ADDU sp, $28 + back_to_back_c0_hazard set_saved_sp sp, t0, t1 PTR_SUBU sp, 4 * SZREG # init stack pointer diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c index f7d8d5d..ed5c441 100644 --- a/arch/mips/kernel/i8253.c +++ b/arch/mips/kernel/i8253.c @@ -98,7 +98,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, .name = "timer" }; diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index d2072cd..b181f2f 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -14,38 +14,23 @@ static unsigned long _gic_base; -static unsigned int _irqbase, _mapsize, numvpes, numintrs; -static struct gic_intr_map *_intrmap; +static unsigned int _irqbase; +static unsigned int gic_irq_flags[GIC_NUM_INTRS]; +#define GIC_IRQ_FLAG_EDGE 0x0001 -static struct gic_pcpu_mask pcpu_masks[NR_CPUS]; +struct gic_pcpu_mask pcpu_masks[NR_CPUS]; static struct gic_pending_regs pending_regs[NR_CPUS]; static struct gic_intrmask_regs intrmask_regs[NR_CPUS]; -#define gic_wedgeb2bok 0 /* - * Can GIC handle b2b writes to wedge register? - */ -#if gic_wedgeb2bok == 0 -static DEFINE_SPINLOCK(gic_wedgeb2b_lock); -#endif - void gic_send_ipi(unsigned int intr) { -#if gic_wedgeb2bok == 0 - unsigned long flags; -#endif pr_debug("CPU%d: %s status %08x\n", smp_processor_id(), __func__, read_c0_status()); - if (!gic_wedgeb2bok) - spin_lock_irqsave(&gic_wedgeb2b_lock, flags); GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), 0x80000000 | intr); - if (!gic_wedgeb2bok) { - (void) GIC_REG(SHARED, GIC_SH_CONFIG); - spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags); - } } /* This is Malta specific and needs to be exported */ -static void vpe_local_setup(unsigned int numvpes) +static void __init vpe_local_setup(unsigned int numvpes) { int i; unsigned long timer_interrupt = 5, perf_interrupt = 5; @@ -105,44 +90,34 @@ unsigned int gic_get_int(void) static unsigned int gic_irq_startup(unsigned int irq) { - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_SET_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_SET_INTR_MASK(irq); return 0; } static void gic_irq_ack(unsigned int irq) { -#if gic_wedgeb2bok == 0 - unsigned long flags; -#endif - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_CLR_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_CLR_INTR_MASK(irq); - if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) { - if (!gic_wedgeb2bok) - spin_lock_irqsave(&gic_wedgeb2b_lock, flags); + if (gic_irq_flags[irq] & GIC_IRQ_FLAG_EDGE) GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq); - if (!gic_wedgeb2bok) { - (void) GIC_REG(SHARED, GIC_SH_CONFIG); - spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags); - } - } } static void gic_mask_irq(unsigned int irq) { - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_CLR_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_CLR_INTR_MASK(irq); } static void gic_unmask_irq(unsigned int irq) { - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_SET_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_SET_INTR_MASK(irq); } #ifdef CONFIG_SMP @@ -155,9 +130,8 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask) unsigned long flags; int i; - pr_debug(KERN_DEBUG "%s called\n", __func__); irq -= _irqbase; - + pr_debug(KERN_DEBUG "%s(%d) called\n", __func__, irq); cpumask_and(&tmp, cpumask, cpu_online_mask); if (cpus_empty(tmp)) return -1; @@ -168,13 +142,6 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask) /* Re-route this IRQ */ GIC_SH_MAP_TO_VPE_SMASK(irq, first_cpu(tmp)); - /* - * FIXME: assumption that _intrmap is ordered and has no holes - */ - - /* Update the intr_map */ - _intrmap[irq].cpunum = first_cpu(tmp); - /* Update the pcpu_masks */ for (i = 0; i < NR_CPUS; i++) clear_bit(irq, pcpu_masks[i].pcpu_mask); @@ -201,8 +168,9 @@ static struct irq_chip gic_irq_controller = { #endif }; -static void __init setup_intr(unsigned int intr, unsigned int cpu, - unsigned int pin, unsigned int polarity, unsigned int trigtype) +static void __init gic_setup_intr(unsigned int intr, unsigned int cpu, + unsigned int pin, unsigned int polarity, unsigned int trigtype, + unsigned int flags) { /* Setup Intr to Pin mapping */ if (pin & GIC_MAP_TO_NMI_MSK) { @@ -227,38 +195,43 @@ static void __init setup_intr(unsigned int intr, unsigned int cpu, GIC_SET_TRIGGER(intr, trigtype); /* Init Intr Masks */ - GIC_SET_INTR_MASK(intr, 0); + GIC_CLR_INTR_MASK(intr); + /* Initialise per-cpu Interrupt software masks */ + if (flags & GIC_FLAG_IPI) + set_bit(intr, pcpu_masks[cpu].pcpu_mask); + if (flags & GIC_FLAG_TRANSPARENT) + GIC_SET_INTR_MASK(intr); + if (trigtype == GIC_TRIG_EDGE) + gic_irq_flags[intr] |= GIC_IRQ_FLAG_EDGE; } -static void __init gic_basic_init(void) +static void __init gic_basic_init(int numintrs, int numvpes, + struct gic_intr_map *intrmap, int mapsize) { unsigned int i, cpu; /* Setup defaults */ - for (i = 0; i < GIC_NUM_INTRS; i++) { + for (i = 0; i < numintrs; i++) { GIC_SET_POLARITY(i, GIC_POL_POS); GIC_SET_TRIGGER(i, GIC_TRIG_LEVEL); - GIC_SET_INTR_MASK(i, 0); + GIC_CLR_INTR_MASK(i); + if (i < GIC_NUM_INTRS) + gic_irq_flags[i] = 0; } /* Setup specifics */ - for (i = 0; i < _mapsize; i++) { - cpu = _intrmap[i].cpunum; + for (i = 0; i < mapsize; i++) { + cpu = intrmap[i].cpunum; if (cpu == X) continue; - - if (cpu == 0 && i != 0 && _intrmap[i].intrnum == 0 && - _intrmap[i].ipiflag == 0) + if (cpu == 0 && i != 0 && intrmap[i].flags == 0) continue; - - setup_intr(_intrmap[i].intrnum, - _intrmap[i].cpunum, - _intrmap[i].pin, - _intrmap[i].polarity, - _intrmap[i].trigtype); - /* Initialise per-cpu Interrupt software masks */ - if (_intrmap[i].ipiflag) - set_bit(_intrmap[i].intrnum, pcpu_masks[cpu].pcpu_mask); + gic_setup_intr(i, + intrmap[i].cpunum, + intrmap[i].pin, + intrmap[i].polarity, + intrmap[i].trigtype, + intrmap[i].flags); } vpe_local_setup(numvpes); @@ -273,12 +246,11 @@ void __init gic_init(unsigned long gic_base_addr, unsigned int irqbase) { unsigned int gicconfig; + int numvpes, numintrs; _gic_base = (unsigned long) ioremap_nocache(gic_base_addr, gic_addrspace_size); _irqbase = irqbase; - _intrmap = intr_map; - _mapsize = intr_map_size; GICREAD(GIC_REG(SHARED, GIC_SH_CONFIG), gicconfig); numintrs = (gicconfig & GIC_SH_CONFIG_NUMINTRS_MSK) >> @@ -290,5 +262,5 @@ void __init gic_init(unsigned long gic_base_addr, pr_debug("%s called\n", __func__); - gic_basic_init(); + gic_basic_init(numintrs, numvpes, intr_map, intr_map_size); } diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 6242bc6..b77fefa 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -428,3 +428,9 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs) return do_fork(clone_flags, newsp, ®s, 0, parent_tidptr, child_tidptr); } + +asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf, + size_t len) +{ + return sys_lookup_dcookie(merge_64(a0, a1), buf, len); +} diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 9bbf977..14dde4c 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -450,7 +450,7 @@ sys_call_table: PTR sys_io_submit PTR sys_io_cancel /* 4245 */ PTR sys_exit_group - PTR sys_lookup_dcookie + PTR sys32_lookup_dcookie PTR sys_epoll_create PTR sys_epoll_ctl PTR sys_epoll_wait /* 4250 */ @@ -505,7 +505,7 @@ sys_call_table: PTR sys_fchmodat PTR sys_faccessat /* 4300 */ PTR compat_sys_pselect6 - PTR sys_ppoll + PTR compat_sys_ppoll PTR sys_unshare PTR sys_splice PTR sys32_sync_file_range /* 4305 */ diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 4d181df4..24630fd 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -75,7 +75,6 @@ unsigned long irq_hwmask[NR_IRQS]; asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS]; - /* * Number of InterProcessor Interrupt (IPI) message buffers to allocate */ @@ -388,6 +387,7 @@ void smtc_prepare_cpus(int cpus) IPIQ[i].head = IPIQ[i].tail = NULL; spin_lock_init(&IPIQ[i].lock); IPIQ[i].depth = 0; + IPIQ[i].resched_flag = 0; /* No reschedules queued initially */ } /* cpu_data index starts at zero */ @@ -741,11 +741,24 @@ void smtc_forward_irq(unsigned int irq) static void smtc_ipi_qdump(void) { int i; + struct smtc_ipi *temp; for (i = 0; i < NR_CPUS ;i++) { - printk("IPIQ[%d]: head = 0x%x, tail = 0x%x, depth = %d\n", + pr_info("IPIQ[%d]: head = 0x%x, tail = 0x%x, depth = %d\n", i, (unsigned)IPIQ[i].head, (unsigned)IPIQ[i].tail, IPIQ[i].depth); + temp = IPIQ[i].head; + + while (temp != IPIQ[i].tail) { + pr_debug("%d %d %d: ", temp->type, temp->dest, + (int)temp->arg); +#ifdef SMTC_IPI_DEBUG + pr_debug("%u %lu\n", temp->sender, temp->stamp); +#else + pr_debug("\n"); +#endif + temp = temp->flink; + } } } @@ -784,11 +797,16 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) int mtflags; unsigned long tcrestart; extern void r4k_wait_irqoff(void), __pastwait(void); + int set_resched_flag = (type == LINUX_SMP_IPI && + action == SMP_RESCHEDULE_YOURSELF); if (cpu == smp_processor_id()) { printk("Cannot Send IPI to self!\n"); return; } + if (set_resched_flag && IPIQ[cpu].resched_flag != 0) + return; /* There is a reschedule queued already */ + /* Set up a descriptor, to be delivered either promptly or queued */ pipi = smtc_ipi_dq(&freeIPIq); if (pipi == NULL) { @@ -801,6 +819,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) pipi->dest = cpu; if (cpu_data[cpu].vpe_id != cpu_data[smp_processor_id()].vpe_id) { /* If not on same VPE, enqueue and send cross-VPE interrupt */ + IPIQ[cpu].resched_flag |= set_resched_flag; smtc_ipi_nq(&IPIQ[cpu], pipi); LOCK_CORE_PRA(); settc(cpu_data[cpu].tc_id); @@ -847,6 +866,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) */ write_tc_c0_tchalt(0); UNLOCK_CORE_PRA(); + IPIQ[cpu].resched_flag |= set_resched_flag; smtc_ipi_nq(&IPIQ[cpu], pipi); } else { postdirect: @@ -996,12 +1016,15 @@ void deferred_smtc_ipi(void) * already enabled. */ local_irq_save(flags); - spin_lock(&q->lock); pipi = __smtc_ipi_dq(q); spin_unlock(&q->lock); - if (pipi != NULL) + if (pipi != NULL) { + if (pipi->type == LINUX_SMP_IPI && + (int)pipi->arg == SMP_RESCHEDULE_YOURSELF) + IPIQ[cpu].resched_flag = 0; ipi_decode(pipi); + } /* * The use of the __raw_local restore isn't * as obviously necessary here as in smtc_ipi_replay(), @@ -1082,6 +1105,9 @@ static irqreturn_t ipi_interrupt(int irq, void *dev_idm) * with interrupts off */ local_irq_save(flags); + if (pipi->type == LINUX_SMP_IPI && + (int)pipi->arg == SMP_RESCHEDULE_YOURSELF) + IPIQ[cpu].resched_flag = 0; ipi_decode(pipi); local_irq_restore(flags); } diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c index 6ddb507..1821d12 100644 --- a/arch/mips/kernel/spram.c +++ b/arch/mips/kernel/spram.c @@ -13,7 +13,6 @@ #include <linux/ptrace.h> #include <linux/stddef.h> -#include <asm/cpu.h> #include <asm/fpu.h> #include <asm/mipsregs.h> #include <asm/system.h> @@ -198,8 +197,7 @@ static __cpuinit void probe_spram(char *type, offset += 2 * SPRAM_TAG_STRIDE; } } - -__cpuinit void spram_config(void) +void __cpuinit spram_config(void) { struct cpuinfo_mips *c = ¤t_cpu_data; unsigned int config0; @@ -208,6 +206,7 @@ __cpuinit void spram_config(void) case CPU_24K: case CPU_34K: case CPU_74K: + case CPU_1004K: config0 = read_c0_config(); /* FIXME: addresses are Malta specific */ if (config0 & (1<<24)) { diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 03092ab..6047752 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -1116,8 +1116,6 @@ static int vpe_open(struct inode *inode, struct file *filp) v->shared_ptr = NULL; v->__start = 0; - unlock_kernel(); - return 0; } diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c index f368c73..b32b4a3 100644 --- a/arch/mips/loongson/common/irq.c +++ b/arch/mips/loongson/common/irq.c @@ -55,7 +55,6 @@ void __init arch_init_irq(void) * int-handler is not on bootstrap */ clear_c0_status(ST0_IM | ST0_BEV); - local_irq_disable(); /* setting irq trigger mode */ set_irq_trigger_mode(); diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c index 1c555e6..d9ae1db 100644 --- a/arch/mips/math-emu/dp_simple.c +++ b/arch/mips/math-emu/dp_simple.c @@ -62,8 +62,6 @@ ieee754dp ieee754dp_neg(ieee754dp x) return ieee754dp_nanxcpt(y, "neg"); } - if (ieee754dp_isnan(x)) /* but not infinity */ - return ieee754dp_nanxcpt(x, "neg", x); return x; } @@ -76,15 +74,12 @@ ieee754dp ieee754dp_abs(ieee754dp x) CLEARCX; FLUSHXDP; + /* Clear sign ALWAYS, irrespective of NaN */ + DPSIGN(x) = 0; + if (xc == IEEE754_CLASS_SNAN) { - SETCX(IEEE754_INVALID_OPERATION); - return ieee754dp_nanxcpt(ieee754dp_indef(), "neg"); + return ieee754dp_nanxcpt(ieee754dp_indef(), "abs"); } - if (ieee754dp_isnan(x)) /* but not infinity */ - return ieee754dp_nanxcpt(x, "abs", x); - - /* quick fix up */ - DPSIGN(x) = 0; return x; } diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c index 770f0f4..3175477 100644 --- a/arch/mips/math-emu/sp_simple.c +++ b/arch/mips/math-emu/sp_simple.c @@ -62,8 +62,6 @@ ieee754sp ieee754sp_neg(ieee754sp x) return ieee754sp_nanxcpt(y, "neg"); } - if (ieee754sp_isnan(x)) /* but not infinity */ - return ieee754sp_nanxcpt(x, "neg", x); return x; } @@ -76,15 +74,12 @@ ieee754sp ieee754sp_abs(ieee754sp x) CLEARCX; FLUSHXSP; + /* Clear sign ALWAYS, irrespective of NaN */ + SPSIGN(x) = 0; + if (xc == IEEE754_CLASS_SNAN) { - SETCX(IEEE754_INVALID_OPERATION); return ieee754sp_nanxcpt(ieee754sp_indef(), "abs"); } - if (ieee754sp_isnan(x)) /* but not infinity */ - return ieee754sp_nanxcpt(x, "abs", x); - - /* quick fix up */ - SPSIGN(x) = 0; return x; } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 15aa190..8d1f4f3 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -27,6 +27,7 @@ #include <linux/swap.h> #include <linux/proc_fs.h> #include <linux/pfn.h> +#include <linux/hardirq.h> #include <asm/asm-offsets.h> #include <asm/bootinfo.h> @@ -132,7 +133,10 @@ void *kmap_coherent(struct page *page, unsigned long addr) inc_preempt_count(); idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1); #ifdef CONFIG_MIPS_MT_SMTC - idx += FIX_N_COLOURS * smp_processor_id(); + idx += FIX_N_COLOURS * smp_processor_id() + + (in_interrupt() ? (FIX_N_COLOURS * NR_CPUS) : 0); +#else + idx += in_interrupt() ? FIX_N_COLOURS : 0; #endif vaddr = __fix_to_virt(FIX_CMAP_END - idx); pte = mk_pte(page, PAGE_KERNEL); diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c index df9e526..469d9b0 100644 --- a/arch/mips/mti-malta/malta-amon.c +++ b/arch/mips/mti-malta/malta-amon.c @@ -70,11 +70,12 @@ void amon_cpu_start(int cpu, launch->sp = sp; launch->a0 = a0; - /* Make sure target sees parameters before the go bit */ - smp_mb(); - + smp_wmb(); /* Target must see parameters before go */ launch->flags |= LAUNCH_FGO; + smp_wmb(); /* Target must see go before we poll */ + while ((launch->flags & LAUNCH_FGONE) == 0) ; + smp_rmb(); /* Target will be updating flags soon */ pr_debug("launch: cpu%d gone!\n", cpu); } diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 3e0a9b3..4c3fca1 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -87,7 +87,7 @@ static inline int mips_pcibios_iack(void) dummy = BONITO_PCIMAP_CFG; iob(); /* sync */ - irq = readl((u32 *)_pcictrl_bonito_pcicfg); + irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg); iob(); /* sync */ irq &= 0xff; BONITO_PCIMAP_CFG = 0; @@ -379,38 +379,43 @@ static msc_irqmap_t __initdata msc_eicirqmap[] = { static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); -#if defined(CONFIG_MIPS_MT_SMP) /* * This GIC specific tabular array defines the association between External * Interrupts and CPUs/Core Interrupts. The nature of the External * Interrupts is also defined here - polarity/trigger. */ + +#define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { - { GIC_EXT_INTR(0), X, X, X, X, 0 }, - { GIC_EXT_INTR(1), X, X, X, X, 0 }, - { GIC_EXT_INTR(2), X, X, X, X, 0 }, - { GIC_EXT_INTR(3), 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(4), 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(5), 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(6), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(7), 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(8), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(9), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(10), X, X, X, X, 0 }, - { GIC_EXT_INTR(11), X, X, X, X, 0 }, - { GIC_EXT_INTR(12), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(13), 0, GIC_MAP_TO_NMI_MSK, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(14), 0, GIC_MAP_TO_NMI_MSK, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(15), X, X, X, X, 0 }, -/* This is the end of the general interrupts now we do IPI ones */ + { X, X, X, X, 0 }, + { X, X, X, X, 0 }, + { X, X, X, X, 0 }, + { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { X, X, X, X, 0 }, + { X, X, X, X, 0 }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_NMI, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_NMI, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { X, X, X, X, 0 }, + /* The remainder of this table is initialised by fill_ipi_map */ }; -#endif /* * GCMP needs to be detected before any SMP initialisation */ int __init gcmp_probe(unsigned long addr, unsigned long size) { + if (mips_revision_sconid != MIPS_REVISION_SCON_ROCIT) { + gcmp_present = 0; + return gcmp_present; + } + if (gcmp_present >= 0) return gcmp_present; @@ -419,20 +424,35 @@ int __init gcmp_probe(unsigned long addr, unsigned long size) gcmp_present = (GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) == GCMP_BASE_ADDR; if (gcmp_present) - printk(KERN_DEBUG "GCMP present\n"); + pr_debug("GCMP present\n"); return gcmp_present; } +/* Return the number of IOCU's present */ +int __init gcmp_niocu(void) +{ + return gcmp_present ? + (GCMPGCB(GC) & GCMP_GCB_GC_NUMIOCU_MSK) >> GCMP_GCB_GC_NUMIOCU_SHF : + 0; +} + +/* Set GCMP region attributes */ +void __init gcmp_setregion(int region, unsigned long base, + unsigned long mask, int type) +{ + GCMPGCBn(CMxBASE, region) = base; + GCMPGCBn(CMxMASK, region) = mask | type; +} + #if defined(CONFIG_MIPS_MT_SMP) static void __init fill_ipi_map1(int baseintr, int cpu, int cpupin) { int intr = baseintr + cpu; - gic_intr_map[intr].intrnum = GIC_EXT_INTR(intr); gic_intr_map[intr].cpunum = cpu; gic_intr_map[intr].pin = cpupin; gic_intr_map[intr].polarity = GIC_POL_POS; gic_intr_map[intr].trigtype = GIC_TRIG_EDGE; - gic_intr_map[intr].ipiflag = 1; + gic_intr_map[intr].flags = GIC_FLAG_IPI; ipi_map[cpu] |= (1 << (cpupin + 2)); } @@ -447,6 +467,12 @@ static void __init fill_ipi_map(void) } #endif +void __init arch_init_ipiirq(int irq, struct irqaction *action) +{ + setup_irq(irq, action); + set_irq_handler(irq, handle_percpu_irq); +} + void __init arch_init_irq(void) { init_i8259_irqs(); @@ -458,12 +484,17 @@ void __init arch_init_irq(void) GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK; gic_present = 1; } else { - _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE, MSC01_BIU_ADDRSPACE_SZ); - gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) & - MSC01_SC_CFG_GICPRES_MSK) >> MSC01_SC_CFG_GICPRES_SHF; + if (mips_revision_sconid == MIPS_REVISION_SCON_ROCIT) { + _msc01_biu_base = (unsigned long) + ioremap_nocache(MSC01_BIU_REG_BASE, + MSC01_BIU_ADDRSPACE_SZ); + gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) & + MSC01_SC_CFG_GICPRES_MSK) >> + MSC01_SC_CFG_GICPRES_SHF; + } } if (gic_present) - printk(KERN_DEBUG "GIC present\n"); + pr_debug("GIC present\n"); switch (mips_revision_sconid) { case MIPS_REVISION_SCON_SOCIT: @@ -526,16 +557,16 @@ void __init arch_init_irq(void) &corehi_irqaction); } -#if defined(CONFIG_MIPS_MT_SMP) if (gic_present) { /* FIXME */ int i; - +#if defined(CONFIG_MIPS_MT_SMP) gic_call_int_base = GIC_NUM_INTRS - NR_CPUS; gic_resched_int_base = gic_call_int_base - NR_CPUS; - fill_ipi_map(); - gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); +#endif + gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, + ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); if (!gcmp_present) { /* Enable the GIC */ i = REG(_msc01_biu_base, MSC01_SC_CFG); @@ -543,7 +574,7 @@ void __init arch_init_irq(void) (i | (0x1 << MSC01_SC_CFG_GICENA_SHF)); pr_debug("GIC Enabled\n"); } - +#if defined(CONFIG_MIPS_MT_SMP) /* set up ipi interrupts */ if (cpu_has_vint) { set_vi_handler(MIPSCPU_INT_IPI0, malta_ipi_irqdispatch); @@ -556,16 +587,14 @@ void __init arch_init_irq(void) write_c0_status(0x1100dc00); printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status()); for (i = 0; i < NR_CPUS; i++) { - setup_irq(MIPS_GIC_IRQ_BASE + - GIC_RESCHED_INT(i), &irq_resched); - setup_irq(MIPS_GIC_IRQ_BASE + - GIC_CALL_INT(i), &irq_call); - set_irq_handler(MIPS_GIC_IRQ_BASE + - GIC_RESCHED_INT(i), handle_percpu_irq); - set_irq_handler(MIPS_GIC_IRQ_BASE + - GIC_CALL_INT(i), handle_percpu_irq); + arch_init_ipiirq(MIPS_GIC_IRQ_BASE + + GIC_RESCHED_INT(i), &irq_resched); + arch_init_ipiirq(MIPS_GIC_IRQ_BASE + + GIC_CALL_INT(i), &irq_call); } +#endif } else { +#if defined(CONFIG_MIPS_MT_SMP) /* set up ipi interrupts */ if (cpu_has_veic) { set_vi_handler (MSC01E_INT_SW0, ipi_resched_dispatch); @@ -580,14 +609,10 @@ void __init arch_init_irq(void) cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ; cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ; } - - setup_irq(cpu_ipi_resched_irq, &irq_resched); - setup_irq(cpu_ipi_call_irq, &irq_call); - - set_irq_handler(cpu_ipi_resched_irq, handle_percpu_irq); - set_irq_handler(cpu_ipi_call_irq, handle_percpu_irq); - } + arch_init_ipiirq(cpu_ipi_resched_irq, &irq_resched); + arch_init_ipiirq(cpu_ipi_call_irq, &irq_call); #endif + } } void malta_be_init(void) diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index b97431906..2fbfa1a 100644 --- a/arch/mips/mti-malta/malta-pci.c +++ b/arch/mips/mti-malta/malta-pci.c @@ -27,7 +27,7 @@ #include <linux/init.h> #include <asm/gt64120.h> - +#include <asm/gcmpregs.h> #include <asm/mips-boards/generic.h> #include <asm/mips-boards/bonito64.h> #include <asm/mips-boards/msc01_pci.h> @@ -201,7 +201,11 @@ void __init mips_pcibios_init(void) msc_mem_resource.start = start & mask; msc_mem_resource.end = (start & mask) | ~mask; msc_controller.mem_offset = (start & mask) - (map & mask); - +#ifdef CONFIG_MIPS_CMP + if (gcmp_niocu()) + gcmp_setregion(0, start, mask, + GCMP_GCB_GCMPB_CMDEFTGT_IOCU1); +#endif MSC_READ(MSC01_PCI_SC2PIOBASL, start); MSC_READ(MSC01_PCI_SC2PIOMSKL, mask); MSC_READ(MSC01_PCI_SC2PIOMAPL, map); @@ -209,7 +213,11 @@ void __init mips_pcibios_init(void) msc_io_resource.end = (map & mask) | ~mask; msc_controller.io_offset = 0; ioport_resource.end = ~mask; - +#ifdef CONFIG_MIPS_CMP + if (gcmp_niocu()) + gcmp_setregion(1, start, mask, + GCMP_GCB_GCMPB_CMDEFTGT_IOCU1); +#endif /* If ranges overlap I/O takes precedence. */ start = start & mask; end = start | ~mask; @@ -241,3 +249,16 @@ void __init mips_pcibios_init(void) register_pci_controller(controller); } + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __init quirk_dlcsetup(struct pci_dev *dev) +{ + u8 odlc, ndlc; + (void) pci_read_config_byte(dev, 0x82, &odlc); + /* Enable passive releases and delayed transaction */ + ndlc = odlc | 7; + (void) pci_write_config_byte(dev, 0x82, ndlc); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, + quirk_dlcsetup); diff --git a/arch/mips/nxp/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c index f080f11..7aca7d5 100644 --- a/arch/mips/nxp/pnx8550/common/int.c +++ b/arch/mips/nxp/pnx8550/common/int.c @@ -172,7 +172,7 @@ static struct irqaction gic_action = { static struct irqaction timer_action = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_TIMER, .name = "Timer", }; diff --git a/arch/mips/nxp/pnx8550/common/time.c b/arch/mips/nxp/pnx8550/common/time.c index 18b1927..8836c62 100644 --- a/arch/mips/nxp/pnx8550/common/time.c +++ b/arch/mips/nxp/pnx8550/common/time.c @@ -59,7 +59,7 @@ static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id) static struct irqaction pnx8xxx_timer_irq = { .handler = pnx8xxx_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "pnx8xxx_timer", }; @@ -72,7 +72,7 @@ static irqreturn_t monotonic_interrupt(int irq, void *dev_id) static struct irqaction monotonic_irqaction = { .handler = monotonic_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_TIMER, .name = "Monotonic timer", }; diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c index deed1d5..575cd14 100644 --- a/arch/mips/oprofile/op_model_loongson2.c +++ b/arch/mips/oprofile/op_model_loongson2.c @@ -22,7 +22,7 @@ * otherwise, the oprofile tool will not recognize this and complain about * "cpu_type 'unset' is not valid". */ -#define LOONGSON2_CPU_TYPE "mips/godson2" +#define LOONGSON2_CPU_TYPE "mips/loongson2" #define LOONGSON2_COUNTER1_EVENT(event) ((event & 0x0f) << 5) #define LOONGSON2_COUNTER2_EVENT(event) ((event & 0x0f) << 9) diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 6d0e59f..d6802d6 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -105,7 +105,7 @@ static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id) struct irqaction hub_rt_irqaction = { .handler = hub_rt_counter_handler, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "hub-rt", }; diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index 62df6a5..f3b60e6 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -67,7 +67,7 @@ static irqreturn_t a20r_interrupt(int irq, void *dev_id) static struct irqaction a20r_irqaction = { .handler = a20r_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "a20r-timer", }; diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index c860810..e10184c 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -85,7 +85,7 @@ int txx9_ccfg_toeon __initdata = 1; struct clk *clk_get(struct device *dev, const char *id) { if (!strcmp(id, "spi-baseclk")) - return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4); + return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 2); if (!strcmp(id, "imbus_clk")) return (struct clk *)((unsigned long)txx9_gbus_clock / 2); return ERR_PTR(-ENOENT); @@ -817,7 +817,8 @@ void __init txx9_iocled_init(unsigned long baseaddr, out_pdev: platform_device_put(pdev); out_gpio: - gpio_remove(&iocled->chip); + if (gpiochip_remove(&iocled->chip)) + return; out_unmap: iounmap(iocled->mmioaddr); out_free: diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 24b1244..f23961a 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -78,7 +78,7 @@ cputime64_to_jiffies64(cputime64_t cputime) static inline unsigned int cputime_to_msecs(const cputime_t cputime) { - return __div(cputime, 4096000); + return cputime_div(cputime, 4096000); } static inline cputime_t @@ -160,7 +160,7 @@ cputime_to_timeval(const cputime_t cputime, struct timeval *value) static inline clock_t cputime_to_clock_t(cputime_t cputime) { - return __div(cputime, 4096000000ULL / USER_HZ); + return cputime_div(cputime, 4096000000ULL / USER_HZ); } static inline cputime_t @@ -175,7 +175,7 @@ clock_t_to_cputime(unsigned long x) static inline clock_t cputime64_to_clock_t(cputime64_t cputime) { - return __div(cputime, 4096000000ULL / USER_HZ); + return cputime_div(cputime, 4096000000ULL / USER_HZ); } struct s390_idle_data { diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index ee57a42..4890ac6 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1595,10 +1595,9 @@ static void stop_run(struct shutdown_trigger *trigger) { if (strcmp(trigger->name, ON_PANIC_STR) == 0) disabled_wait((unsigned long) __builtin_return_address(0)); - else { - signal_processor(smp_processor_id(), sigp_stop); - for (;;); - } + while (signal_processor(smp_processor_id(), sigp_stop) == sigp_busy) + cpu_relax(); + for (;;); } static struct shutdown_action stop_action = {SHUTDOWN_ACTION_STOP_STR, diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index c932caa..93e5203 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -76,7 +76,6 @@ static int cpu_stopped(int cpu) __u32 status; switch (signal_processor_ps(&status, 0, cpu, sigp_sense)) { - case sigp_order_code_accepted: case sigp_status_stored: /* Check for stopped and check stop state */ if (status & 0x50) @@ -638,6 +637,8 @@ void __cpu_die(unsigned int cpu) /* Wait until target cpu is down */ while (!cpu_stopped(cpu)) cpu_relax(); + while (signal_processor_p(0, cpu, sigp_set_prefix) == sigp_busy) + udelay(10); smp_free_lowcore(cpu); pr_info("Processor %d stopped\n", cpu); } @@ -645,8 +646,8 @@ void __cpu_die(unsigned int cpu) void cpu_die(void) { idle_task_exit(); - signal_processor(smp_processor_id(), sigp_stop); - BUG(); + while (signal_processor(smp_processor_id(), sigp_stop) == sigp_busy) + cpu_relax(); for (;;); } diff --git a/arch/s390/kernel/swsusp_asm64.S b/arch/s390/kernel/swsusp_asm64.S index 7c8653e..0c26cc1 100644 --- a/arch/s390/kernel/swsusp_asm64.S +++ b/arch/s390/kernel/swsusp_asm64.S @@ -199,6 +199,7 @@ pgm_check_entry: brc 2,4b /* busy, try again */ 5: sigp %r9,%r2,__SIGP_STOP /* stop resume (current) CPU */ + brc 2,5b /* busy, try again */ 6: j 6b restart_suspend: @@ -206,6 +207,7 @@ restart_suspend: llgh %r2,0(%r1) 7: sigp %r9,%r2,__SIGP_SENSE /* Wait for resume CPU */ + brc 8,7b /* accepted, status 0, still running */ brc 2,7b /* busy, try again */ tmll %r9,0x40 /* Test if resume CPU is stopped */ jz 7b diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 07e0114..72ace95 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1443,12 +1443,8 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. -config CC_STACKPROTECTOR_ALL - bool - config CC_STACKPROTECTOR bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" - select CC_STACKPROTECTOR_ALL ---help--- This option turns on the -fstack-protector GCC feature. This feature puts, at the beginning of functions, a canary value on diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index f2824fb..2649840 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -400,7 +400,7 @@ config X86_TSC config X86_CMPXCHG64 def_bool y - depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM + depends on !M386 && !M486 # this should be set for all -march=.. options where the compiler # generates cmov. diff --git a/arch/x86/Makefile b/arch/x86/Makefile index a012ee8..d2d24c9 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -76,7 +76,6 @@ ifdef CONFIG_CC_STACKPROTECTOR cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y) stackp-y := -fstack-protector - stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all KBUILD_CFLAGS += $(stackp-y) else $(warning stack protector enabled but no compiler support) diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 1733f9f..581b056 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -204,7 +204,7 @@ sysexit_from_sys_call: movl RDI-ARGOFFSET(%rsp),%r8d /* reload 5th syscall arg */ .endm - .macro auditsys_exit exit,ebpsave=RBP + .macro auditsys_exit exit testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10) jnz ia32_ret_from_sys_call TRACE_IRQS_ON @@ -217,7 +217,6 @@ sysexit_from_sys_call: call audit_syscall_exit GET_THREAD_INFO(%r10) movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall return value */ - movl \ebpsave-ARGOFFSET(%rsp),%ebp /* reload user register value */ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi cli TRACE_IRQS_OFF @@ -351,7 +350,7 @@ cstar_auditsys: jmp cstar_dispatch sysretl_audit: - auditsys_exit sysretl_from_sys_call, RCX /* user %ebp in RCX slot */ + auditsys_exit sysretl_from_sys_call #endif cstar_tracesys: diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h index ac95995..4b18089 100644 --- a/arch/x86/include/asm/amd_iommu.h +++ b/arch/x86/include/asm/amd_iommu.h @@ -31,6 +31,7 @@ extern irqreturn_t amd_iommu_int_handler(int irq, void *data); extern void amd_iommu_flush_all_domains(void); extern void amd_iommu_flush_all_devices(void); extern void amd_iommu_shutdown(void); +extern void amd_iommu_apply_erratum_63(u16 devid); #else static inline int amd_iommu_init(void) { return -ENODEV; } static inline void amd_iommu_detect(void) { } diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index e8de2f6..617bd56 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -288,7 +288,7 @@ static inline void load_LDT(mm_context_t *pc) static inline unsigned long get_desc_base(const struct desc_struct *desc) { - return desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24); + return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24)); } static inline void set_desc_base(struct desc_struct *desc, unsigned long base) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index c3429e8..c978648 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -1000,7 +1000,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); #define thread_saved_pc(t) (*(unsigned long *)((t)->thread.sp - 8)) #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) -#define KSTK_ESP(tsk) -1 /* sorry. doesn't work for syscall. */ +extern unsigned long KSTK_ESP(struct task_struct *task); #endif /* CONFIG_X86_64 */ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index d823c24..40e37b10 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -143,7 +143,7 @@ extern unsigned long node_remap_size[]; | 1*SD_BALANCE_FORK \ | 0*SD_BALANCE_WAKE \ | 1*SD_WAKE_AFFINE \ - | 1*SD_PREFER_LOCAL \ + | 0*SD_PREFER_LOCAL \ | 0*SD_SHARE_CPUPOWER \ | 0*SD_POWERSAVINGS_BALANCE \ | 0*SD_SHARE_PKG_RESOURCES \ diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 98f230f..0285521 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1220,6 +1220,8 @@ static void __detach_device(struct protection_domain *domain, u16 devid) amd_iommu_dev_table[devid].data[1] = 0; amd_iommu_dev_table[devid].data[2] = 0; + amd_iommu_apply_erratum_63(devid); + /* decrease reference counter */ domain->dev_cnt -= 1; diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index b4b61d4..c20001e 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -240,7 +240,7 @@ static void iommu_feature_enable(struct amd_iommu *iommu, u8 bit) writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET); } -static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) +static void iommu_feature_disable(struct amd_iommu *iommu, u8 bit) { u32 ctrl; @@ -519,6 +519,26 @@ static void set_dev_entry_bit(u16 devid, u8 bit) amd_iommu_dev_table[devid].data[i] |= (1 << _bit); } +static int get_dev_entry_bit(u16 devid, u8 bit) +{ + int i = (bit >> 5) & 0x07; + int _bit = bit & 0x1f; + + return (amd_iommu_dev_table[devid].data[i] & (1 << _bit)) >> _bit; +} + + +void amd_iommu_apply_erratum_63(u16 devid) +{ + int sysmgt; + + sysmgt = get_dev_entry_bit(devid, DEV_ENTRY_SYSMGT1) | + (get_dev_entry_bit(devid, DEV_ENTRY_SYSMGT2) << 1); + + if (sysmgt == 0x01) + set_dev_entry_bit(devid, DEV_ENTRY_IW); +} + /* Writes the specific IOMMU for a device into the rlookup table */ static void __init set_iommu_for_device(struct amd_iommu *iommu, u16 devid) { @@ -547,6 +567,8 @@ static void __init set_dev_entry_from_acpi(struct amd_iommu *iommu, if (flags & ACPI_DEVFLAG_LINT1) set_dev_entry_bit(devid, DEV_ENTRY_LINT1_PASS); + amd_iommu_apply_erratum_63(devid); + set_iommu_for_device(iommu, devid); } diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c index 315738c..73c86db 100644 --- a/arch/x86/kernel/cpu/mtrr/cleanup.c +++ b/arch/x86/kernel/cpu/mtrr/cleanup.c @@ -846,7 +846,7 @@ int __init mtrr_cleanup(unsigned address_bits) sort(range, nr_range, sizeof(struct res_range), cmp_range, NULL); range_sums = sum_ranges(range, nr_range); - printk(KERN_INFO "total RAM coverred: %ldM\n", + printk(KERN_INFO "total RAM covered: %ldM\n", range_sums >> (20 - PAGE_SHIFT)); if (mtrr_chunk_size && mtrr_gran_size) { diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c index f7cdb3b..cd97ce1 100644 --- a/arch/x86/kernel/crash_dump_32.c +++ b/arch/x86/kernel/crash_dump_32.c @@ -16,6 +16,22 @@ static void *kdump_buf_page; /* Stores the physical address of elf header of crash image. */ unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX; +static inline bool is_crashed_pfn_valid(unsigned long pfn) +{ +#ifndef CONFIG_X86_PAE + /* + * non-PAE kdump kernel executed from a PAE one will crop high pte + * bits and poke unwanted space counting again from address 0, we + * don't want that. pte must fit into unsigned long. In fact the + * test checks high 12 bits for being zero (pfn will be shifted left + * by PAGE_SHIFT). + */ + return pte_pfn(pfn_pte(pfn, __pgprot(0))) == pfn; +#else + return true; +#endif +} + /** * copy_oldmem_page - copy one page from "oldmem" * @pfn: page frame number to be copied @@ -41,6 +57,9 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, if (!csize) return 0; + if (!is_crashed_pfn_valid(pfn)) + return -EFAULT; + vaddr = kmap_atomic_pfn(pfn, KM_PTE0); if (!userbuf) { diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c index ad5bd98..cdcfb12 100644 --- a/arch/x86/kernel/efi.c +++ b/arch/x86/kernel/efi.c @@ -454,8 +454,10 @@ void __init efi_init(void) if (add_efi_memmap) do_add_efi_memmap(); +#ifdef CONFIG_X86_32 x86_platform.get_wallclock = efi_get_time; x86_platform.set_wallclock = efi_set_rtc_mmss; +#endif /* Setup for EFI runtime service */ reboot_type = BOOT_EFI; diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ad535b6..eb62cbc 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -664,3 +664,8 @@ long sys_arch_prctl(int code, unsigned long addr) return do_arch_prctl(current, code, addr); } +unsigned long KSTK_ESP(struct task_struct *task) +{ + return (test_tsk_thread_flag(task, TIF_IA32)) ? + (task_pt_regs(task)->sp) : ((task)->thread.usersp); +} diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index a1a3cdd..f930787 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -436,6 +436,14 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5"), }, }, + { /* Handle problems with rebooting on Apple Macmini3,1 */ + .callback = set_pci_reboot, + .ident = "Apple Macmini3,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Macmini3,1"), + }, + }, { } }; diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 23a4d80..dfbf70e 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -178,6 +178,7 @@ static __read_mostly unsigned int cpuid_leaf1_ecx_mask = ~0; static void xen_cpuid(unsigned int *ax, unsigned int *bx, unsigned int *cx, unsigned int *dx) { + unsigned maskebx = ~0; unsigned maskecx = ~0; unsigned maskedx = ~0; @@ -185,9 +186,16 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx, * Mask out inconvenient features, to try and disable as many * unsupported kernel subsystems as possible. */ - if (*ax == 1) { + switch (*ax) { + case 1: maskecx = cpuid_leaf1_ecx_mask; maskedx = cpuid_leaf1_edx_mask; + break; + + case 0xb: + /* Suppress extended topology stuff */ + maskebx = 0; + break; } asm(XEN_EMULATE_PREFIX "cpuid" @@ -197,6 +205,7 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx, "=d" (*dx) : "0" (*ax), "2" (*cx)); + *bx &= maskebx; *cx &= maskecx; *dx &= maskedx; } diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 069a610..aa1e953 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -196,6 +196,7 @@ enum cfqq_state_flags { CFQ_CFQQ_FLAG_slice_new, /* no requests dispatched in slice */ CFQ_CFQQ_FLAG_sync, /* synchronous queue */ CFQ_CFQQ_FLAG_coop, /* has done a coop jump of the queue */ + CFQ_CFQQ_FLAG_coop_preempt, /* coop preempt */ }; #define CFQ_CFQQ_FNS(name) \ @@ -222,6 +223,7 @@ CFQ_CFQQ_FNS(prio_changed); CFQ_CFQQ_FNS(slice_new); CFQ_CFQQ_FNS(sync); CFQ_CFQQ_FNS(coop); +CFQ_CFQQ_FNS(coop_preempt); #undef CFQ_CFQQ_FNS #define cfq_log_cfqq(cfqd, cfqq, fmt, args...) \ @@ -945,10 +947,13 @@ static struct cfq_queue *cfq_set_active_queue(struct cfq_data *cfqd, { if (!cfqq) { cfqq = cfq_get_next_queue(cfqd); - if (cfqq) + if (cfqq && !cfq_cfqq_coop_preempt(cfqq)) cfq_clear_cfqq_coop(cfqq); } + if (cfqq) + cfq_clear_cfqq_coop_preempt(cfqq); + __cfq_set_active_queue(cfqd, cfqq); return cfqq; } @@ -2051,7 +2056,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, * it's a metadata request and the current queue is doing regular IO. */ if (rq_is_meta(rq) && !cfqq->meta_pending) - return false; + return true; /* * Allow an RT request to pre-empt an ongoing non-RT cfqq timeslice. @@ -2066,8 +2071,16 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, * if this request is as-good as one we would expect from the * current cfqq, let it preempt */ - if (cfq_rq_close(cfqd, rq)) + if (cfq_rq_close(cfqd, rq) && (!cfq_cfqq_coop(new_cfqq) || + cfqd->busy_queues == 1)) { + /* + * Mark new queue coop_preempt, so its coop flag will not be + * cleared when new queue gets scheduled at the very first time + */ + cfq_mark_cfqq_coop_preempt(new_cfqq); + cfq_mark_cfqq_coop(new_cfqq); return true; + } return false; } diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c index b88db6d..6b5cc4f 100644 --- a/crypto/async_tx/async_pq.c +++ b/crypto/async_tx/async_pq.c @@ -26,14 +26,10 @@ #include <linux/async_tx.h> /** - * scribble - space to hold throwaway P buffer for synchronous gen_syndrome + * pq_scribble_page - space to hold throwaway P or Q buffer for + * synchronous gen_syndrome */ -static struct page *scribble; - -static bool is_raid6_zero_block(struct page *p) -{ - return p == (void *) raid6_empty_zero_page; -} +static struct page *pq_scribble_page; /* the struct page *blocks[] parameter passed to async_gen_syndrome() * and async_syndrome_val() contains the 'P' destination address at @@ -83,7 +79,7 @@ do_async_gen_syndrome(struct dma_chan *chan, struct page **blocks, * sources and update the coefficients accordingly */ for (i = 0, idx = 0; i < src_cnt; i++) { - if (is_raid6_zero_block(blocks[i])) + if (blocks[i] == NULL) continue; dma_src[idx] = dma_map_page(dma->dev, blocks[i], offset, len, DMA_TO_DEVICE); @@ -160,9 +156,9 @@ do_sync_gen_syndrome(struct page **blocks, unsigned int offset, int disks, srcs = (void **) blocks; for (i = 0; i < disks; i++) { - if (is_raid6_zero_block(blocks[i])) { + if (blocks[i] == NULL) { BUG_ON(i > disks - 3); /* P or Q can't be zero */ - srcs[i] = blocks[i]; + srcs[i] = (void*)raid6_empty_zero_page; } else srcs[i] = page_address(blocks[i]) + offset; } @@ -186,10 +182,14 @@ do_sync_gen_syndrome(struct page **blocks, unsigned int offset, int disks, * blocks[disks-1] to NULL. When P or Q is omitted 'len' must be <= * PAGE_SIZE as a temporary buffer of this size is used in the * synchronous path. 'disks' always accounts for both destination - * buffers. + * buffers. If any source buffers (blocks[i] where i < disks - 2) are + * set to NULL those buffers will be replaced with the raid6_zero_page + * in the synchronous path and omitted in the hardware-asynchronous + * path. * * 'blocks' note: if submit->scribble is NULL then the contents of - * 'blocks' may be overridden + * 'blocks' may be overwritten to perform address conversions + * (dma_map_page() or page_address()). */ struct dma_async_tx_descriptor * async_gen_syndrome(struct page **blocks, unsigned int offset, int disks, @@ -227,11 +227,11 @@ async_gen_syndrome(struct page **blocks, unsigned int offset, int disks, async_tx_quiesce(&submit->depend_tx); if (!P(blocks, disks)) { - P(blocks, disks) = scribble; + P(blocks, disks) = pq_scribble_page; BUG_ON(len + offset > PAGE_SIZE); } if (!Q(blocks, disks)) { - Q(blocks, disks) = scribble; + Q(blocks, disks) = pq_scribble_page; BUG_ON(len + offset > PAGE_SIZE); } do_sync_gen_syndrome(blocks, offset, disks, len, submit); @@ -265,8 +265,10 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks, len); struct dma_device *device = chan ? chan->device : NULL; struct dma_async_tx_descriptor *tx; + unsigned char coefs[disks-2]; enum dma_ctrl_flags dma_flags = submit->cb_fn ? DMA_PREP_INTERRUPT : 0; dma_addr_t *dma_src = NULL; + int src_cnt = 0; BUG_ON(disks < 4); @@ -285,22 +287,32 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks, __func__, disks, len); if (!P(blocks, disks)) dma_flags |= DMA_PREP_PQ_DISABLE_P; + else + pq[0] = dma_map_page(dev, P(blocks, disks), + offset, len, + DMA_TO_DEVICE); if (!Q(blocks, disks)) dma_flags |= DMA_PREP_PQ_DISABLE_Q; + else + pq[1] = dma_map_page(dev, Q(blocks, disks), + offset, len, + DMA_TO_DEVICE); + if (submit->flags & ASYNC_TX_FENCE) dma_flags |= DMA_PREP_FENCE; - for (i = 0; i < disks; i++) + for (i = 0; i < disks-2; i++) if (likely(blocks[i])) { - BUG_ON(is_raid6_zero_block(blocks[i])); - dma_src[i] = dma_map_page(dev, blocks[i], - offset, len, - DMA_TO_DEVICE); + dma_src[src_cnt] = dma_map_page(dev, blocks[i], + offset, len, + DMA_TO_DEVICE); + coefs[src_cnt] = raid6_gfexp[i]; + src_cnt++; } for (;;) { tx = device->device_prep_dma_pq_val(chan, pq, dma_src, - disks - 2, - raid6_gfexp, + src_cnt, + coefs, len, pqres, dma_flags); if (likely(tx)) @@ -373,9 +385,9 @@ EXPORT_SYMBOL_GPL(async_syndrome_val); static int __init async_pq_init(void) { - scribble = alloc_page(GFP_KERNEL); + pq_scribble_page = alloc_page(GFP_KERNEL); - if (scribble) + if (pq_scribble_page) return 0; pr_err("%s: failed to allocate required spare page\n", __func__); @@ -385,7 +397,7 @@ static int __init async_pq_init(void) static void __exit async_pq_exit(void) { - put_page(scribble); + put_page(pq_scribble_page); } module_init(async_pq_init); diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c index 6d73dde..943f2ab 100644 --- a/crypto/async_tx/async_raid6_recov.c +++ b/crypto/async_tx/async_raid6_recov.c @@ -131,8 +131,8 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len, } static struct dma_async_tx_descriptor * -__2data_recov_4(size_t bytes, int faila, int failb, struct page **blocks, - struct async_submit_ctl *submit) +__2data_recov_4(int disks, size_t bytes, int faila, int failb, + struct page **blocks, struct async_submit_ctl *submit) { struct dma_async_tx_descriptor *tx = NULL; struct page *p, *q, *a, *b; @@ -143,8 +143,8 @@ __2data_recov_4(size_t bytes, int faila, int failb, struct page **blocks, void *cb_param = submit->cb_param; void *scribble = submit->scribble; - p = blocks[4-2]; - q = blocks[4-1]; + p = blocks[disks-2]; + q = blocks[disks-1]; a = blocks[faila]; b = blocks[failb]; @@ -170,8 +170,8 @@ __2data_recov_4(size_t bytes, int faila, int failb, struct page **blocks, } static struct dma_async_tx_descriptor * -__2data_recov_5(size_t bytes, int faila, int failb, struct page **blocks, - struct async_submit_ctl *submit) +__2data_recov_5(int disks, size_t bytes, int faila, int failb, + struct page **blocks, struct async_submit_ctl *submit) { struct dma_async_tx_descriptor *tx = NULL; struct page *p, *q, *g, *dp, *dq; @@ -181,21 +181,22 @@ __2data_recov_5(size_t bytes, int faila, int failb, struct page **blocks, dma_async_tx_callback cb_fn = submit->cb_fn; void *cb_param = submit->cb_param; void *scribble = submit->scribble; - int uninitialized_var(good); - int i; + int good_srcs, good, i; - for (i = 0; i < 3; i++) { + good_srcs = 0; + good = -1; + for (i = 0; i < disks-2; i++) { + if (blocks[i] == NULL) + continue; if (i == faila || i == failb) continue; - else { - good = i; - break; - } + good = i; + good_srcs++; } - BUG_ON(i >= 3); + BUG_ON(good_srcs > 1); - p = blocks[5-2]; - q = blocks[5-1]; + p = blocks[disks-2]; + q = blocks[disks-1]; g = blocks[good]; /* Compute syndrome with zero for the missing data pages @@ -263,10 +264,10 @@ __2data_recov_n(int disks, size_t bytes, int faila, int failb, * delta p and delta q */ dp = blocks[faila]; - blocks[faila] = (void *)raid6_empty_zero_page; + blocks[faila] = NULL; blocks[disks-2] = dp; dq = blocks[failb]; - blocks[failb] = (void *)raid6_empty_zero_page; + blocks[failb] = NULL; blocks[disks-1] = dq; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); @@ -323,6 +324,8 @@ struct dma_async_tx_descriptor * async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, struct page **blocks, struct async_submit_ctl *submit) { + int non_zero_srcs, i; + BUG_ON(faila == failb); if (failb < faila) swap(faila, failb); @@ -334,11 +337,13 @@ async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, */ if (!submit->scribble) { void **ptrs = (void **) blocks; - int i; async_tx_quiesce(&submit->depend_tx); for (i = 0; i < disks; i++) - ptrs[i] = page_address(blocks[i]); + if (blocks[i] == NULL) + ptrs[i] = (void *) raid6_empty_zero_page; + else + ptrs[i] = page_address(blocks[i]); raid6_2data_recov(disks, bytes, faila, failb, ptrs); @@ -347,19 +352,30 @@ async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, return NULL; } - switch (disks) { - case 4: + non_zero_srcs = 0; + for (i = 0; i < disks-2 && non_zero_srcs < 4; i++) + if (blocks[i]) + non_zero_srcs++; + switch (non_zero_srcs) { + case 0: + case 1: + /* There must be at least 2 sources - the failed devices. */ + BUG(); + + case 2: /* dma devices do not uniformly understand a zero source pq * operation (in contrast to the synchronous case), so - * explicitly handle the 4 disk special case + * explicitly handle the special case of a 4 disk array with + * both data disks missing. */ - return __2data_recov_4(bytes, faila, failb, blocks, submit); - case 5: + return __2data_recov_4(disks, bytes, faila, failb, blocks, submit); + case 3: /* dma devices do not uniformly understand a single * source pq operation (in contrast to the synchronous - * case), so explicitly handle the 5 disk special case + * case), so explicitly handle the special case of a 5 disk + * array with 2 of 3 data disks missing. */ - return __2data_recov_5(bytes, faila, failb, blocks, submit); + return __2data_recov_5(disks, bytes, faila, failb, blocks, submit); default: return __2data_recov_n(disks, bytes, faila, failb, blocks, submit); } @@ -385,6 +401,7 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, dma_async_tx_callback cb_fn = submit->cb_fn; void *cb_param = submit->cb_param; void *scribble = submit->scribble; + int good_srcs, good, i; struct page *srcs[2]; pr_debug("%s: disks: %d len: %zu\n", __func__, disks, bytes); @@ -394,11 +411,13 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, */ if (!scribble) { void **ptrs = (void **) blocks; - int i; async_tx_quiesce(&submit->depend_tx); for (i = 0; i < disks; i++) - ptrs[i] = page_address(blocks[i]); + if (blocks[i] == NULL) + ptrs[i] = (void*)raid6_empty_zero_page; + else + ptrs[i] = page_address(blocks[i]); raid6_datap_recov(disks, bytes, faila, ptrs); @@ -407,6 +426,20 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, return NULL; } + good_srcs = 0; + good = -1; + for (i = 0; i < disks-2; i++) { + if (i == faila) + continue; + if (blocks[i]) { + good = i; + good_srcs++; + if (good_srcs > 1) + break; + } + } + BUG_ON(good_srcs == 0); + p = blocks[disks-2]; q = blocks[disks-1]; @@ -414,14 +447,13 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, * Use the dead data page as temporary storage for delta q */ dq = blocks[faila]; - blocks[faila] = (void *)raid6_empty_zero_page; + blocks[faila] = NULL; blocks[disks-1] = dq; - /* in the 4 disk case we only need to perform a single source - * multiplication + /* in the 4-disk case we only need to perform a single source + * multiplication with the one good data block. */ - if (disks == 4) { - int good = faila == 0 ? 1 : 0; + if (good_srcs == 1) { struct page *g = blocks[good]; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index b459a90..79182dc 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -44,20 +44,23 @@ do_async_xor(struct dma_chan *chan, struct page *dest, struct page **src_list, void *cb_param_orig = submit->cb_param; enum async_tx_flags flags_orig = submit->flags; enum dma_ctrl_flags dma_flags; - int xor_src_cnt; + int xor_src_cnt = 0; dma_addr_t dma_dest; /* map the dest bidrectional in case it is re-used as a source */ dma_dest = dma_map_page(dma->dev, dest, offset, len, DMA_BIDIRECTIONAL); for (i = 0; i < src_cnt; i++) { /* only map the dest once */ + if (!src_list[i]) + continue; if (unlikely(src_list[i] == dest)) { - dma_src[i] = dma_dest; + dma_src[xor_src_cnt++] = dma_dest; continue; } - dma_src[i] = dma_map_page(dma->dev, src_list[i], offset, - len, DMA_TO_DEVICE); + dma_src[xor_src_cnt++] = dma_map_page(dma->dev, src_list[i], offset, + len, DMA_TO_DEVICE); } + src_cnt = xor_src_cnt; while (src_cnt) { submit->flags = flags_orig; @@ -123,7 +126,7 @@ do_sync_xor(struct page *dest, struct page **src_list, unsigned int offset, int src_cnt, size_t len, struct async_submit_ctl *submit) { int i; - int xor_src_cnt; + int xor_src_cnt = 0; int src_off = 0; void *dest_buf; void **srcs; @@ -135,8 +138,9 @@ do_sync_xor(struct page *dest, struct page **src_list, unsigned int offset, /* convert to buffer pointers */ for (i = 0; i < src_cnt; i++) - srcs[i] = page_address(src_list[i]) + offset; - + if (src_list[i]) + srcs[xor_src_cnt++] = page_address(src_list[i]) + offset; + src_cnt = xor_src_cnt; /* set destination address */ dest_buf = page_address(dest) + offset; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index a06f5d6..a3241a1 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -2718,6 +2718,30 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) }, .driver_data = "20071026", /* yyyymmdd */ }, + /* + * All BIOS versions for the MSI K9A2 Platinum (MS-7376) + * support 64bit DMA. + * + * BIOS versions earlier than 1.5 had the Manufacturer DMI + * fields as "MICRO-STAR INTERANTIONAL CO.,LTD". + * This spelling mistake was fixed in BIOS version 1.5, so + * 1.5 and later have the Manufacturer as + * "MICRO-STAR INTERNATIONAL CO.,LTD". + * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER". + * + * BIOS versions earlier than 1.9 had a Board Product Name + * DMI field of "MS-7376". This was changed to be + * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still + * match on DMI_BOARD_NAME of "MS-7376". + */ + { + .ident = "MSI K9A2 Platinum", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "MICRO-STAR INTER"), + DMI_MATCH(DMI_BOARD_NAME, "MS-7376"), + }, + }, { } }; const struct dmi_system_id *match; @@ -2729,18 +2753,24 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) !match) return false; + if (!match->driver_data) + goto enable_64bit; + dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); - if (strcmp(buf, match->driver_data) >= 0) { - dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n", - match->ident); - return true; - } else { + if (strcmp(buf, match->driver_data) >= 0) + goto enable_64bit; + else { dev_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, " "forcing 32bit DMA, update BIOS\n", match->ident); return false; } + +enable_64bit: + dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n", + match->ident); + return true; } static bool ahci_broken_system_poweroff(struct pci_dev *pdev) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d7f0f1b..dc72690 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4919,10 +4919,11 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev) */ void ata_qc_free(struct ata_queued_cmd *qc) { - struct ata_port *ap = qc->ap; + struct ata_port *ap; unsigned int tag; WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ + ap = qc->ap; qc->flags = 0; tag = qc->tag; @@ -4934,11 +4935,13 @@ void ata_qc_free(struct ata_queued_cmd *qc) void __ata_qc_complete(struct ata_queued_cmd *qc) { - struct ata_port *ap = qc->ap; - struct ata_link *link = qc->dev->link; + struct ata_port *ap; + struct ata_link *link; WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); + ap = qc->ap; + link = qc->dev->link; if (likely(qc->flags & ATA_QCFLAG_DMAMAP)) ata_sg_clean(qc); diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index bdd43c7..02efd9a 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -93,7 +93,6 @@ static const struct pci_device_id svia_pci_tbl[] = { { PCI_VDEVICE(VIA, 0x7372), vt6420 }, { PCI_VDEVICE(VIA, 0x5287), vt8251 }, /* 2 sata chnls (Master/Slave) */ { PCI_VDEVICE(VIA, 0x9000), vt8251 }, - { PCI_VDEVICE(VIA, 0x9040), vt8251 }, { } /* terminate list */ }; diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 973bf2a..63c143e 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -689,15 +689,19 @@ int bus_add_driver(struct device_driver *drv) printk(KERN_ERR "%s: driver_add_attrs(%s) failed\n", __func__, drv->name); } - error = add_bind_files(drv); - if (error) { - /* Ditto */ - printk(KERN_ERR "%s: add_bind_files(%s) failed\n", - __func__, drv->name); + + if (!drv->suppress_bind_attrs) { + error = add_bind_files(drv); + if (error) { + /* Ditto */ + printk(KERN_ERR "%s: add_bind_files(%s) failed\n", + __func__, drv->name); + } } kobject_uevent(&priv->kobj, KOBJ_ADD); return 0; + out_unregister: kfree(drv->p); drv->p = NULL; @@ -720,7 +724,8 @@ void bus_remove_driver(struct device_driver *drv) if (!drv->bus) return; - remove_bind_files(drv); + if (!drv->suppress_bind_attrs) + remove_bind_files(drv); driver_remove_attrs(drv->bus, drv); driver_remove_file(drv, &driver_attr_uevent); klist_remove(&drv->p->knode_bus); diff --git a/drivers/base/driver.c b/drivers/base/driver.c index ed2ebd3..f367885 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -236,7 +236,7 @@ int driver_register(struct device_driver *drv) put_driver(other); printk(KERN_ERR "Error: Driver '%s' is already registered, " "aborting...\n", drv->name); - return -EEXIST; + return -EBUSY; } ret = bus_add_driver(drv); diff --git a/drivers/base/platform.c b/drivers/base/platform.c index ed156a13..4fa954b 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -521,11 +521,15 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv, { int retval, code; + /* make sure driver won't have bind/unbind attributes */ + drv->driver.suppress_bind_attrs = true; + /* temporary section violation during probe() */ drv->probe = probe; retval = code = platform_driver_register(drv); - /* Fixup that section violation, being paranoid about code scanning + /* + * Fixup that section violation, being paranoid about code scanning * the list of drivers in order to probe new devices. Check to see * if the probe was successful, and make sure any forced probes of * new devices fail. diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index e0dc407..8aa2443 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -511,6 +511,7 @@ static void dpm_complete(pm_message_t state) INIT_LIST_HEAD(&list); mutex_lock(&dpm_list_mtx); + transition_started = false; while (!list_empty(&dpm_list)) { struct device *dev = to_device(dpm_list.prev); diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 38556f6..a770498 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -51,8 +51,6 @@ static int __pm_runtime_idle(struct device *dev) { int retval = 0; - dev_dbg(dev, "__pm_runtime_idle()!\n"); - if (dev->power.runtime_error) retval = -EINVAL; else if (dev->power.idle_notification) @@ -93,8 +91,6 @@ static int __pm_runtime_idle(struct device *dev) wake_up_all(&dev->power.wait_queue); out: - dev_dbg(dev, "__pm_runtime_idle() returns %d!\n", retval); - return retval; } diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 08a6f50..6aad99e 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -323,7 +323,7 @@ config SPECIALIX config SX tristate "Specialix SX (and SI) card support" - depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) + depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) && BROKEN help This is a driver for the SX and SI multiport serial cards. Please read the file <file:Documentation/serial/sx.txt> for details. @@ -334,7 +334,7 @@ config SX config RIO tristate "Specialix RIO system support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && BROKEN help This is a driver for the Specialix RIO, a smart serial card which drives an outboard box that can support up to 128 ports. Product @@ -395,7 +395,7 @@ config NOZOMI config A2232 tristate "Commodore A2232 serial support (EXPERIMENTAL)" - depends on EXPERIMENTAL && ZORRO && BROKEN_ON_SMP + depends on EXPERIMENTAL && ZORRO && BROKEN ---help--- This option supports the 2232 7-port serial card shipped with the Amiga 2000 and other Zorro-bus machines, dating from 1989. At diff --git a/drivers/char/hvc_xen.c b/drivers/char/hvc_xen.c index eba999f..a6ee32b 100644 --- a/drivers/char/hvc_xen.c +++ b/drivers/char/hvc_xen.c @@ -55,7 +55,7 @@ static inline void notify_daemon(void) notify_remote_via_evtchn(xen_start_info->console.domU.evtchn); } -static int write_console(uint32_t vtermno, const char *data, int len) +static int __write_console(const char *data, int len) { struct xencons_interface *intf = xencons_interface(); XENCONS_RING_IDX cons, prod; @@ -76,6 +76,29 @@ static int write_console(uint32_t vtermno, const char *data, int len) return sent; } +static int write_console(uint32_t vtermno, const char *data, int len) +{ + int ret = len; + + /* + * Make sure the whole buffer is emitted, polling if + * necessary. We don't ever want to rely on the hvc daemon + * because the most interesting console output is when the + * kernel is crippled. + */ + while (len) { + int sent = __write_console(data, len); + + data += sent; + len -= sent; + + if (unlikely(len)) + HYPERVISOR_sched_op(SCHEDOP_yield, NULL); + } + + return ret; +} + static int read_console(uint32_t vtermno, char *buf, int len) { struct xencons_interface *intf = xencons_interface(); diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index d4560d9..a38831c 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2254,7 +2254,7 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci, { u32 ec = ERROR_CODE(info->nbsl); u32 xec = EXT_ERROR_CODE(info->nbsl); - int ecc_type = info->nbsh & (0x3 << 13); + int ecc_type = (info->nbsh >> 13) & 0x3; /* Bail early out if this was an 'observed' error */ if (PP(ec) == K8_NBSL_PP_OBS) @@ -3163,7 +3163,7 @@ static int __init amd64_edac_init(void) opstate_init(); if (cache_k8_northbridges() < 0) - goto err_exit; + return err; err = pci_register_driver(&amd64_pci_driver); if (err) @@ -3189,8 +3189,6 @@ static int __init amd64_edac_init(void) err_2nd_stage: debugf0("2nd stage failed\n"); - -err_exit: pci_unregister_driver(&amd64_pci_driver); return err; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 92aeb91..e5b138b 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1227,8 +1227,7 @@ static int i915_load_modeset_init(struct drm_device *dev, goto out; /* Try to set up FBC with a reasonable compressed buffer size */ - if (IS_MOBILE(dev) && (IS_I9XX(dev) || IS_I965G(dev) || IS_GM45(dev)) && - i915_powersave) { + if (I915_HAS_FBC(dev) && i915_powersave) { int cfb_size; /* Try to get an 8M buffer... */ diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index b93814c..7f436ec 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -89,7 +89,8 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) pci_set_power_state(dev->pdev, PCI_D3hot); } - dev_priv->suspended = 1; + /* Modeset on resume, not lid events */ + dev_priv->modeset_on_lid = 0; return 0; } @@ -124,7 +125,7 @@ static int i915_resume(struct drm_device *dev) drm_helper_resume_force_mode(dev); } - dev_priv->suspended = 0; + dev_priv->modeset_on_lid = 0; return ret; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 6035d3d..57204e2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -274,7 +274,7 @@ typedef struct drm_i915_private { struct drm_i915_display_funcs display; /* Register state */ - bool suspended; + bool modeset_on_lid; u8 saveLBB; u32 saveDSPACNTR; u32 saveDSPBCNTR; @@ -296,6 +296,12 @@ typedef struct drm_i915_private { u32 saveVBLANK_A; u32 saveVSYNC_A; u32 saveBCLRPAT_A; + u32 saveTRANS_HTOTAL_A; + u32 saveTRANS_HBLANK_A; + u32 saveTRANS_HSYNC_A; + u32 saveTRANS_VTOTAL_A; + u32 saveTRANS_VBLANK_A; + u32 saveTRANS_VSYNC_A; u32 savePIPEASTAT; u32 saveDSPASTRIDE; u32 saveDSPASIZE; @@ -304,8 +310,11 @@ typedef struct drm_i915_private { u32 saveDSPASURF; u32 saveDSPATILEOFF; u32 savePFIT_PGM_RATIOS; + u32 saveBLC_HIST_CTL; u32 saveBLC_PWM_CTL; u32 saveBLC_PWM_CTL2; + u32 saveBLC_CPU_PWM_CTL; + u32 saveBLC_CPU_PWM_CTL2; u32 saveFPB0; u32 saveFPB1; u32 saveDPLL_B; @@ -317,6 +326,12 @@ typedef struct drm_i915_private { u32 saveVBLANK_B; u32 saveVSYNC_B; u32 saveBCLRPAT_B; + u32 saveTRANS_HTOTAL_B; + u32 saveTRANS_HBLANK_B; + u32 saveTRANS_HSYNC_B; + u32 saveTRANS_VTOTAL_B; + u32 saveTRANS_VBLANK_B; + u32 saveTRANS_VSYNC_B; u32 savePIPEBSTAT; u32 saveDSPBSTRIDE; u32 saveDSPBSIZE; @@ -342,6 +357,7 @@ typedef struct drm_i915_private { u32 savePFIT_CONTROL; u32 save_palette_a[256]; u32 save_palette_b[256]; + u32 saveDPFC_CB_BASE; u32 saveFBC_CFB_BASE; u32 saveFBC_LL_BASE; u32 saveFBC_CONTROL; @@ -349,6 +365,12 @@ typedef struct drm_i915_private { u32 saveIER; u32 saveIIR; u32 saveIMR; + u32 saveDEIER; + u32 saveDEIMR; + u32 saveGTIER; + u32 saveGTIMR; + u32 saveFDI_RXA_IMR; + u32 saveFDI_RXB_IMR; u32 saveCACHE_MODE_0; u32 saveD_STATE; u32 saveDSPCLK_GATE_D; @@ -382,6 +404,16 @@ typedef struct drm_i915_private { u32 savePIPEB_DP_LINK_M; u32 savePIPEA_DP_LINK_N; u32 savePIPEB_DP_LINK_N; + u32 saveFDI_RXA_CTL; + u32 saveFDI_TXA_CTL; + u32 saveFDI_RXB_CTL; + u32 saveFDI_TXB_CTL; + u32 savePFA_CTL_1; + u32 savePFB_CTL_1; + u32 savePFA_WIN_SZ; + u32 savePFB_WIN_SZ; + u32 savePFA_WIN_POS; + u32 savePFB_WIN_POS; struct { struct drm_mm gtt_space; @@ -492,6 +524,8 @@ typedef struct drm_i915_private { struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT]; } mm; struct sdvo_device_mapping sdvo_mappings[2]; + /* indicate whether the LVDS_BORDER should be enabled or not */ + unsigned int lvds_border_bits; /* Reclocking support */ bool render_reclock_avail; @@ -981,7 +1015,10 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define HAS_FW_BLC(dev) (IS_I9XX(dev) || IS_G4X(dev) || IS_IGDNG(dev)) #define HAS_PIPE_CXSR(dev) (IS_G4X(dev) || IS_IGDNG(dev)) -#define I915_HAS_FBC(dev) (IS_MOBILE(dev) && (IS_I9XX(dev) || IS_I965G(dev))) +#define I915_HAS_FBC(dev) (IS_MOBILE(dev) && \ + (IS_I9XX(dev) || IS_GM45(dev)) && \ + !IS_IGD(dev) && \ + !IS_IGDNG(dev)) #define PRIMARY_RINGBUFFER_SIZE (128*1024) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0466ddb..1687edf 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -968,6 +968,8 @@ #define LVDS_PORT_EN (1 << 31) /* Selects pipe B for LVDS data. Must be set on pre-965. */ #define LVDS_PIPEB_SELECT (1 << 30) +/* Enable border for unscaled (or aspect-scaled) display */ +#define LVDS_BORDER_ENABLE (1 << 15) /* * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per * pixel. @@ -1078,6 +1080,8 @@ #define BACKLIGHT_DUTY_CYCLE_SHIFT (0) #define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) +#define BLC_HIST_CTL 0x61260 + /* TV port control */ #define TV_CTL 0x68000 /** Enables the TV encoder */ @@ -1780,6 +1784,11 @@ #define PIPE_START_VBLANK_INTERRUPT_STATUS (1UL<<2) /* 965 or later */ #define PIPE_VBLANK_INTERRUPT_STATUS (1UL<<1) #define PIPE_OVERLAY_UPDATED_STATUS (1UL<<0) +#define PIPE_BPC_MASK (7 << 5) /* Ironlake */ +#define PIPE_8BPC (0 << 5) +#define PIPE_10BPC (1 << 5) +#define PIPE_6BPC (2 << 5) +#define PIPE_12BPC (3 << 5) #define DSPARB 0x70030 #define DSPARB_CSTART_MASK (0x7f << 7) @@ -1790,17 +1799,29 @@ #define DSPARB_AEND_SHIFT 0 #define DSPFW1 0x70034 +#define DSPFW_SR_SHIFT 23 +#define DSPFW_CURSORB_SHIFT 16 +#define DSPFW_PLANEB_SHIFT 8 #define DSPFW2 0x70038 +#define DSPFW_CURSORA_MASK 0x00003f00 +#define DSPFW_CURSORA_SHIFT 16 #define DSPFW3 0x7003c +#define DSPFW_HPLL_SR_EN (1<<31) +#define DSPFW_CURSOR_SR_SHIFT 24 #define IGD_SELF_REFRESH_EN (1<<30) /* FIFO watermark sizes etc */ +#define G4X_FIFO_LINE_SIZE 64 #define I915_FIFO_LINE_SIZE 64 #define I830_FIFO_LINE_SIZE 32 + +#define G4X_FIFO_SIZE 127 #define I945_FIFO_SIZE 127 /* 945 & 965 */ #define I915_FIFO_SIZE 95 #define I855GM_FIFO_SIZE 127 /* In cachelines */ #define I830_FIFO_SIZE 95 + +#define G4X_MAX_WM 0x3f #define I915_MAX_WM 0x3f #define IGD_DISPLAY_FIFO 512 /* in 64byte unit */ @@ -2030,6 +2051,11 @@ #define PFA_CTL_1 0x68080 #define PFB_CTL_1 0x68880 #define PF_ENABLE (1<<31) +#define PF_FILTER_MASK (3<<23) +#define PF_FILTER_PROGRAMMED (0<<23) +#define PF_FILTER_MED_3x3 (1<<23) +#define PF_FILTER_EDGE_ENHANCE (2<<23) +#define PF_FILTER_EDGE_SOFTEN (3<<23) #define PFA_WIN_SZ 0x68074 #define PFB_WIN_SZ 0x68874 #define PFA_WIN_POS 0x68070 @@ -2149,11 +2175,11 @@ #define DREF_CPU_SOURCE_OUTPUT_MASK (3<<13) #define DREF_SSC_SOURCE_DISABLE (0<<11) #define DREF_SSC_SOURCE_ENABLE (2<<11) -#define DREF_SSC_SOURCE_MASK (2<<11) +#define DREF_SSC_SOURCE_MASK (3<<11) #define DREF_NONSPREAD_SOURCE_DISABLE (0<<9) #define DREF_NONSPREAD_CK505_ENABLE (1<<9) #define DREF_NONSPREAD_SOURCE_ENABLE (2<<9) -#define DREF_NONSPREAD_SOURCE_MASK (2<<9) +#define DREF_NONSPREAD_SOURCE_MASK (3<<9) #define DREF_SUPERSPREAD_SOURCE_DISABLE (0<<7) #define DREF_SUPERSPREAD_SOURCE_ENABLE (2<<7) #define DREF_SSC4_DOWNSPREAD (0<<6) diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index bd6d8d9..992d561 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -32,11 +32,15 @@ static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) { struct drm_i915_private *dev_priv = dev->dev_private; + u32 dpll_reg; - if (pipe == PIPE_A) - return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE); - else - return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE); + if (IS_IGDNG(dev)) { + dpll_reg = (pipe == PIPE_A) ? PCH_DPLL_A: PCH_DPLL_B; + } else { + dpll_reg = (pipe == PIPE_A) ? DPLL_A: DPLL_B; + } + + return (I915_READ(dpll_reg) & DPLL_VCO_ENABLE); } static void i915_save_palette(struct drm_device *dev, enum pipe pipe) @@ -49,6 +53,9 @@ static void i915_save_palette(struct drm_device *dev, enum pipe pipe) if (!i915_pipe_enabled(dev, pipe)) return; + if (IS_IGDNG(dev)) + reg = (pipe == PIPE_A) ? LGC_PALETTE_A : LGC_PALETTE_B; + if (pipe == PIPE_A) array = dev_priv->save_palette_a; else @@ -68,6 +75,9 @@ static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) if (!i915_pipe_enabled(dev, pipe)) return; + if (IS_IGDNG(dev)) + reg = (pipe == PIPE_A) ? LGC_PALETTE_A : LGC_PALETTE_B; + if (pipe == PIPE_A) array = dev_priv->save_palette_a; else @@ -232,10 +242,16 @@ static void i915_save_modeset_reg(struct drm_device *dev) /* Pipe & plane A info */ dev_priv->savePIPEACONF = I915_READ(PIPEACONF); dev_priv->savePIPEASRC = I915_READ(PIPEASRC); - dev_priv->saveFPA0 = I915_READ(FPA0); - dev_priv->saveFPA1 = I915_READ(FPA1); - dev_priv->saveDPLL_A = I915_READ(DPLL_A); - if (IS_I965G(dev)) + if (IS_IGDNG(dev)) { + dev_priv->saveFPA0 = I915_READ(PCH_FPA0); + dev_priv->saveFPA1 = I915_READ(PCH_FPA1); + dev_priv->saveDPLL_A = I915_READ(PCH_DPLL_A); + } else { + dev_priv->saveFPA0 = I915_READ(FPA0); + dev_priv->saveFPA1 = I915_READ(FPA1); + dev_priv->saveDPLL_A = I915_READ(DPLL_A); + } + if (IS_I965G(dev) && !IS_IGDNG(dev)) dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD); dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A); dev_priv->saveHBLANK_A = I915_READ(HBLANK_A); @@ -243,7 +259,24 @@ static void i915_save_modeset_reg(struct drm_device *dev) dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A); dev_priv->saveVBLANK_A = I915_READ(VBLANK_A); dev_priv->saveVSYNC_A = I915_READ(VSYNC_A); - dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); + if (!IS_IGDNG(dev)) + dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); + + if (IS_IGDNG(dev)) { + dev_priv->saveFDI_TXA_CTL = I915_READ(FDI_TXA_CTL); + dev_priv->saveFDI_RXA_CTL = I915_READ(FDI_RXA_CTL); + + dev_priv->savePFA_CTL_1 = I915_READ(PFA_CTL_1); + dev_priv->savePFA_WIN_SZ = I915_READ(PFA_WIN_SZ); + dev_priv->savePFA_WIN_POS = I915_READ(PFA_WIN_POS); + + dev_priv->saveTRANS_HTOTAL_A = I915_READ(TRANS_HTOTAL_A); + dev_priv->saveTRANS_HBLANK_A = I915_READ(TRANS_HBLANK_A); + dev_priv->saveTRANS_HSYNC_A = I915_READ(TRANS_HSYNC_A); + dev_priv->saveTRANS_VTOTAL_A = I915_READ(TRANS_VTOTAL_A); + dev_priv->saveTRANS_VBLANK_A = I915_READ(TRANS_VBLANK_A); + dev_priv->saveTRANS_VSYNC_A = I915_READ(TRANS_VSYNC_A); + } dev_priv->saveDSPACNTR = I915_READ(DSPACNTR); dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE); @@ -260,10 +293,16 @@ static void i915_save_modeset_reg(struct drm_device *dev) /* Pipe & plane B info */ dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC); - dev_priv->saveFPB0 = I915_READ(FPB0); - dev_priv->saveFPB1 = I915_READ(FPB1); - dev_priv->saveDPLL_B = I915_READ(DPLL_B); - if (IS_I965G(dev)) + if (IS_IGDNG(dev)) { + dev_priv->saveFPB0 = I915_READ(PCH_FPB0); + dev_priv->saveFPB1 = I915_READ(PCH_FPB1); + dev_priv->saveDPLL_B = I915_READ(PCH_DPLL_B); + } else { + dev_priv->saveFPB0 = I915_READ(FPB0); + dev_priv->saveFPB1 = I915_READ(FPB1); + dev_priv->saveDPLL_B = I915_READ(DPLL_B); + } + if (IS_I965G(dev) && !IS_IGDNG(dev)) dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD); dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B); dev_priv->saveHBLANK_B = I915_READ(HBLANK_B); @@ -271,7 +310,24 @@ static void i915_save_modeset_reg(struct drm_device *dev) dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B); dev_priv->saveVBLANK_B = I915_READ(VBLANK_B); dev_priv->saveVSYNC_B = I915_READ(VSYNC_B); - dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); + if (!IS_IGDNG(dev)) + dev_priv->saveBCLRPAT_B = I915_READ(BCLRPAT_B); + + if (IS_IGDNG(dev)) { + dev_priv->saveFDI_TXB_CTL = I915_READ(FDI_TXB_CTL); + dev_priv->saveFDI_RXB_CTL = I915_READ(FDI_RXB_CTL); + + dev_priv->savePFB_CTL_1 = I915_READ(PFB_CTL_1); + dev_priv->savePFB_WIN_SZ = I915_READ(PFB_WIN_SZ); + dev_priv->savePFB_WIN_POS = I915_READ(PFB_WIN_POS); + + dev_priv->saveTRANS_HTOTAL_B = I915_READ(TRANS_HTOTAL_B); + dev_priv->saveTRANS_HBLANK_B = I915_READ(TRANS_HBLANK_B); + dev_priv->saveTRANS_HSYNC_B = I915_READ(TRANS_HSYNC_B); + dev_priv->saveTRANS_VTOTAL_B = I915_READ(TRANS_VTOTAL_B); + dev_priv->saveTRANS_VBLANK_B = I915_READ(TRANS_VBLANK_B); + dev_priv->saveTRANS_VSYNC_B = I915_READ(TRANS_VSYNC_B); + } dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR); dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE); @@ -290,23 +346,41 @@ static void i915_save_modeset_reg(struct drm_device *dev) static void i915_restore_modeset_reg(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + int dpll_a_reg, fpa0_reg, fpa1_reg; + int dpll_b_reg, fpb0_reg, fpb1_reg; if (drm_core_check_feature(dev, DRIVER_MODESET)) return; + if (IS_IGDNG(dev)) { + dpll_a_reg = PCH_DPLL_A; + dpll_b_reg = PCH_DPLL_B; + fpa0_reg = PCH_FPA0; + fpb0_reg = PCH_FPB0; + fpa1_reg = PCH_FPA1; + fpb1_reg = PCH_FPB1; + } else { + dpll_a_reg = DPLL_A; + dpll_b_reg = DPLL_B; + fpa0_reg = FPA0; + fpb0_reg = FPB0; + fpa1_reg = FPA1; + fpb1_reg = FPB1; + } + /* Pipe & plane A info */ /* Prime the clock */ if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { - I915_WRITE(DPLL_A, dev_priv->saveDPLL_A & + I915_WRITE(dpll_a_reg, dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE); DRM_UDELAY(150); } - I915_WRITE(FPA0, dev_priv->saveFPA0); - I915_WRITE(FPA1, dev_priv->saveFPA1); + I915_WRITE(fpa0_reg, dev_priv->saveFPA0); + I915_WRITE(fpa1_reg, dev_priv->saveFPA1); /* Actually enable it */ - I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); + I915_WRITE(dpll_a_reg, dev_priv->saveDPLL_A); DRM_UDELAY(150); - if (IS_I965G(dev)) + if (IS_I965G(dev) && !IS_IGDNG(dev)) I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); DRM_UDELAY(150); @@ -317,7 +391,24 @@ static void i915_restore_modeset_reg(struct drm_device *dev) I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A); I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A); I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A); - I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A); + if (!IS_IGDNG(dev)) + I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A); + + if (IS_IGDNG(dev)) { + I915_WRITE(FDI_RXA_CTL, dev_priv->saveFDI_RXA_CTL); + I915_WRITE(FDI_TXA_CTL, dev_priv->saveFDI_TXA_CTL); + + I915_WRITE(PFA_CTL_1, dev_priv->savePFA_CTL_1); + I915_WRITE(PFA_WIN_SZ, dev_priv->savePFA_WIN_SZ); + I915_WRITE(PFA_WIN_POS, dev_priv->savePFA_WIN_POS); + + I915_WRITE(TRANS_HTOTAL_A, dev_priv->saveTRANS_HTOTAL_A); + I915_WRITE(TRANS_HBLANK_A, dev_priv->saveTRANS_HBLANK_A); + I915_WRITE(TRANS_HSYNC_A, dev_priv->saveTRANS_HSYNC_A); + I915_WRITE(TRANS_VTOTAL_A, dev_priv->saveTRANS_VTOTAL_A); + I915_WRITE(TRANS_VBLANK_A, dev_priv->saveTRANS_VBLANK_A); + I915_WRITE(TRANS_VSYNC_A, dev_priv->saveTRANS_VSYNC_A); + } /* Restore plane info */ I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE); @@ -339,14 +430,14 @@ static void i915_restore_modeset_reg(struct drm_device *dev) /* Pipe & plane B info */ if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { - I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & + I915_WRITE(dpll_b_reg, dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE); DRM_UDELAY(150); } - I915_WRITE(FPB0, dev_priv->saveFPB0); - I915_WRITE(FPB1, dev_priv->saveFPB1); + I915_WRITE(fpb0_reg, dev_priv->saveFPB0); + I915_WRITE(fpb1_reg, dev_priv->saveFPB1); /* Actually enable it */ - I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); + I915_WRITE(dpll_b_reg, dev_priv->saveDPLL_B); DRM_UDELAY(150); if (IS_I965G(dev)) I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); @@ -359,7 +450,24 @@ static void i915_restore_modeset_reg(struct drm_device *dev) I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B); I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B); I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B); - I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B); + if (!IS_IGDNG(dev)) + I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B); + + if (IS_IGDNG(dev)) { + I915_WRITE(FDI_RXB_CTL, dev_priv->saveFDI_RXB_CTL); + I915_WRITE(FDI_TXB_CTL, dev_priv->saveFDI_TXB_CTL); + + I915_WRITE(PFB_CTL_1, dev_priv->savePFB_CTL_1); + I915_WRITE(PFB_WIN_SZ, dev_priv->savePFB_WIN_SZ); + I915_WRITE(PFB_WIN_POS, dev_priv->savePFB_WIN_POS); + + I915_WRITE(TRANS_HTOTAL_B, dev_priv->saveTRANS_HTOTAL_B); + I915_WRITE(TRANS_HBLANK_B, dev_priv->saveTRANS_HBLANK_B); + I915_WRITE(TRANS_HSYNC_B, dev_priv->saveTRANS_HSYNC_B); + I915_WRITE(TRANS_VTOTAL_B, dev_priv->saveTRANS_VTOTAL_B); + I915_WRITE(TRANS_VBLANK_B, dev_priv->saveTRANS_VBLANK_B); + I915_WRITE(TRANS_VSYNC_B, dev_priv->saveTRANS_VSYNC_B); + } /* Restore plane info */ I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE); @@ -404,21 +512,43 @@ void i915_save_display(struct drm_device *dev) dev_priv->saveCURSIZE = I915_READ(CURSIZE); /* CRT state */ - dev_priv->saveADPA = I915_READ(ADPA); + if (IS_IGDNG(dev)) { + dev_priv->saveADPA = I915_READ(PCH_ADPA); + } else { + dev_priv->saveADPA = I915_READ(ADPA); + } /* LVDS state */ - dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); - dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); - dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); - if (IS_I965G(dev)) - dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); - if (IS_MOBILE(dev) && !IS_I830(dev)) - dev_priv->saveLVDS = I915_READ(LVDS); - if (!IS_I830(dev) && !IS_845G(dev)) + if (IS_IGDNG(dev)) { + dev_priv->savePP_CONTROL = I915_READ(PCH_PP_CONTROL); + dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_PCH_CTL1); + dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_PCH_CTL2); + dev_priv->saveBLC_CPU_PWM_CTL = I915_READ(BLC_PWM_CPU_CTL); + dev_priv->saveBLC_CPU_PWM_CTL2 = I915_READ(BLC_PWM_CPU_CTL2); + dev_priv->saveLVDS = I915_READ(PCH_LVDS); + } else { + dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); + dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); + dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); + dev_priv->saveBLC_HIST_CTL = I915_READ(BLC_HIST_CTL); + if (IS_I965G(dev)) + dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); + if (IS_MOBILE(dev) && !IS_I830(dev)) + dev_priv->saveLVDS = I915_READ(LVDS); + } + + if (!IS_I830(dev) && !IS_845G(dev) && !IS_IGDNG(dev)) dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); - dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); - dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); - dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR); + + if (IS_IGDNG(dev)) { + dev_priv->savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS); + dev_priv->savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS); + dev_priv->savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR); + } else { + dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); + dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); + dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR); + } /* Display Port state */ if (SUPPORTS_INTEGRATED_DP(dev)) { @@ -437,16 +567,23 @@ void i915_save_display(struct drm_device *dev) /* FIXME: save TV & SDVO state */ /* FBC state */ - dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); - dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); - dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); - dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); + if (IS_GM45(dev)) { + dev_priv->saveDPFC_CB_BASE = I915_READ(DPFC_CB_BASE); + } else { + dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); + dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); + dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); + dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); + } /* VGA state */ dev_priv->saveVGA0 = I915_READ(VGA0); dev_priv->saveVGA1 = I915_READ(VGA1); dev_priv->saveVGA_PD = I915_READ(VGA_PD); - dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); + if (IS_IGDNG(dev)) + dev_priv->saveVGACNTRL = I915_READ(CPU_VGACNTRL); + else + dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); i915_save_vga(dev); } @@ -485,22 +622,41 @@ void i915_restore_display(struct drm_device *dev) I915_WRITE(CURSIZE, dev_priv->saveCURSIZE); /* CRT state */ - I915_WRITE(ADPA, dev_priv->saveADPA); + if (IS_IGDNG(dev)) + I915_WRITE(PCH_ADPA, dev_priv->saveADPA); + else + I915_WRITE(ADPA, dev_priv->saveADPA); /* LVDS state */ - if (IS_I965G(dev)) + if (IS_I965G(dev) && !IS_IGDNG(dev)) I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); - if (IS_MOBILE(dev) && !IS_I830(dev)) + + if (IS_IGDNG(dev)) { + I915_WRITE(PCH_LVDS, dev_priv->saveLVDS); + } else if (IS_MOBILE(dev) && !IS_I830(dev)) I915_WRITE(LVDS, dev_priv->saveLVDS); - if (!IS_I830(dev) && !IS_845G(dev)) + + if (!IS_I830(dev) && !IS_845G(dev) && !IS_IGDNG(dev)) I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); - I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); - I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); - I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); - I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); - I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR); - I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); + if (IS_IGDNG(dev)) { + I915_WRITE(BLC_PWM_PCH_CTL1, dev_priv->saveBLC_PWM_CTL); + I915_WRITE(BLC_PWM_PCH_CTL2, dev_priv->saveBLC_PWM_CTL2); + I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->saveBLC_CPU_PWM_CTL); + I915_WRITE(BLC_PWM_CPU_CTL2, dev_priv->saveBLC_CPU_PWM_CTL2); + I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); + I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); + I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR); + I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL); + } else { + I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); + I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); + I915_WRITE(BLC_HIST_CTL, dev_priv->saveBLC_HIST_CTL); + I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); + I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); + I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR); + I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); + } /* Display Port state */ if (SUPPORTS_INTEGRATED_DP(dev)) { @@ -511,13 +667,22 @@ void i915_restore_display(struct drm_device *dev) /* FIXME: restore TV & SDVO state */ /* FBC info */ - I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); - I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); - I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); - I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); + if (IS_GM45(dev)) { + g4x_disable_fbc(dev); + I915_WRITE(DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE); + } else { + i8xx_disable_fbc(dev); + I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); + I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); + I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); + I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); + } /* VGA state */ - I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); + if (IS_IGDNG(dev)) + I915_WRITE(CPU_VGACNTRL, dev_priv->saveVGACNTRL); + else + I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); I915_WRITE(VGA0, dev_priv->saveVGA0); I915_WRITE(VGA1, dev_priv->saveVGA1); I915_WRITE(VGA_PD, dev_priv->saveVGA_PD); @@ -543,8 +708,17 @@ int i915_save_state(struct drm_device *dev) i915_save_display(dev); /* Interrupt state */ - dev_priv->saveIER = I915_READ(IER); - dev_priv->saveIMR = I915_READ(IMR); + if (IS_IGDNG(dev)) { + dev_priv->saveDEIER = I915_READ(DEIER); + dev_priv->saveDEIMR = I915_READ(DEIMR); + dev_priv->saveGTIER = I915_READ(GTIER); + dev_priv->saveGTIMR = I915_READ(GTIMR); + dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR); + dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR); + } else { + dev_priv->saveIER = I915_READ(IER); + dev_priv->saveIMR = I915_READ(IMR); + } /* Clock gating state */ dev_priv->saveD_STATE = I915_READ(D_STATE); @@ -609,8 +783,17 @@ int i915_restore_state(struct drm_device *dev) i915_restore_display(dev); /* Interrupt state */ - I915_WRITE (IER, dev_priv->saveIER); - I915_WRITE (IMR, dev_priv->saveIMR); + if (IS_IGDNG(dev)) { + I915_WRITE(DEIER, dev_priv->saveDEIER); + I915_WRITE(DEIMR, dev_priv->saveDEIMR); + I915_WRITE(GTIER, dev_priv->saveGTIER); + I915_WRITE(GTIMR, dev_priv->saveGTIMR); + I915_WRITE(FDI_RXA_IMR, dev_priv->saveFDI_RXA_IMR); + I915_WRITE(FDI_RXB_IMR, dev_priv->saveFDI_RXB_IMR); + } else { + I915_WRITE (IER, dev_priv->saveIER); + I915_WRITE (IMR, dev_priv->saveIMR); + } /* Clock gating state */ I915_WRITE (D_STATE, dev_priv->saveD_STATE); diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 4337414..96cd256 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -351,20 +351,18 @@ parse_driver_features(struct drm_i915_private *dev_priv, struct drm_device *dev = dev_priv->dev; struct bdb_driver_features *driver; - /* set default for chips without eDP */ - if (!SUPPORTS_EDP(dev)) { - dev_priv->edp_support = 0; - return; - } - driver = find_section(bdb, BDB_DRIVER_FEATURES); if (!driver) return; - if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP) + if (driver && SUPPORTS_EDP(dev) && + driver->lvds_config == BDB_DRIVER_FEATURE_EDP) { dev_priv->edp_support = 1; + } else { + dev_priv->edp_support = 0; + } - if (driver->dual_frequency) + if (driver && driver->dual_frequency) dev_priv->render_reclock_avail = true; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3c14240..3ba6546b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -943,6 +943,7 @@ intel_find_pll_g4x_dp(const intel_limit_t *limit, struct drm_crtc *crtc, clock.m = 5 * (clock.m1 + 2) + (clock.m2 + 2); clock.p = (clock.p1 * clock.p2); clock.dot = 96000 * clock.m / (clock.n + 2) / clock.p; + clock.vco = 0; memcpy(best_clock, &clock, sizeof(intel_clock_t)); return true; } @@ -1260,9 +1261,11 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, return ret; } - /* Pre-i965 needs to install a fence for tiled scan-out */ - if (!IS_I965G(dev) && - obj_priv->fence_reg == I915_FENCE_REG_NONE && + /* Install a fence for tiled scan-out. Pre-i965 always needs a fence, + * whereas 965+ only requires a fence if using framebuffer compression. + * For simplicity, we always install a fence as the cost is not that onerous. + */ + if (obj_priv->fence_reg == I915_FENCE_REG_NONE && obj_priv->tiling_mode != I915_TILING_NONE) { ret = i915_gem_object_get_fence_reg(obj); if (ret != 0) { @@ -1513,7 +1516,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) /* Enable panel fitting for LVDS */ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { temp = I915_READ(pf_ctl_reg); - I915_WRITE(pf_ctl_reg, temp | PF_ENABLE); + I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3); /* currently full aspect */ I915_WRITE(pf_win_pos, 0); @@ -1801,6 +1804,8 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode) case DRM_MODE_DPMS_ON: case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: + intel_update_watermarks(dev); + /* Enable the DPLL */ temp = I915_READ(dpll_reg); if ((temp & DPLL_VCO_ENABLE) == 0) { @@ -1838,7 +1843,6 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode) /* Give the overlay scaler a chance to enable if it's on this pipe */ //intel_crtc_dpms_video(crtc, true); TODO - intel_update_watermarks(dev); break; case DRM_MODE_DPMS_OFF: intel_update_watermarks(dev); @@ -2082,7 +2086,7 @@ fdi_reduce_ratio(u32 *num, u32 *den) #define LINK_N 0x80000 static void -igdng_compute_m_n(int bytes_per_pixel, int nlanes, +igdng_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock, int link_clock, struct fdi_m_n *m_n) { @@ -2092,7 +2096,8 @@ igdng_compute_m_n(int bytes_per_pixel, int nlanes, temp = (u64) DATA_N * pixel_clock; temp = div_u64(temp, link_clock); - m_n->gmch_m = div_u64(temp * bytes_per_pixel, nlanes); + m_n->gmch_m = div_u64(temp * bits_per_pixel, nlanes); + m_n->gmch_m >>= 3; /* convert to bytes_per_pixel */ m_n->gmch_n = DATA_N; fdi_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n); @@ -2140,6 +2145,13 @@ static struct intel_watermark_params igd_cursor_hplloff_wm = { IGD_CURSOR_GUARD_WM, IGD_FIFO_LINE_SIZE }; +static struct intel_watermark_params g4x_wm_info = { + G4X_FIFO_SIZE, + G4X_MAX_WM, + G4X_MAX_WM, + 2, + G4X_FIFO_LINE_SIZE, +}; static struct intel_watermark_params i945_wm_info = { I945_FIFO_SIZE, I915_MAX_WM, @@ -2430,17 +2442,74 @@ static int i830_get_fifo_size(struct drm_device *dev, int plane) return size; } -static void g4x_update_wm(struct drm_device *dev, int unused, int unused2, - int unused3, int unused4) +static void g4x_update_wm(struct drm_device *dev, int planea_clock, + int planeb_clock, int sr_hdisplay, int pixel_size) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 fw_blc_self = I915_READ(FW_BLC_SELF); + int total_size, cacheline_size; + int planea_wm, planeb_wm, cursora_wm, cursorb_wm, cursor_sr; + struct intel_watermark_params planea_params, planeb_params; + unsigned long line_time_us; + int sr_clock, sr_entries = 0, entries_required; - if (i915_powersave) - fw_blc_self |= FW_BLC_SELF_EN; - else - fw_blc_self &= ~FW_BLC_SELF_EN; - I915_WRITE(FW_BLC_SELF, fw_blc_self); + /* Create copies of the base settings for each pipe */ + planea_params = planeb_params = g4x_wm_info; + + /* Grab a couple of global values before we overwrite them */ + total_size = planea_params.fifo_size; + cacheline_size = planea_params.cacheline_size; + + /* + * Note: we need to make sure we don't overflow for various clock & + * latency values. + * clocks go from a few thousand to several hundred thousand. + * latency is usually a few thousand + */ + entries_required = ((planea_clock / 1000) * pixel_size * latency_ns) / + 1000; + entries_required /= G4X_FIFO_LINE_SIZE; + planea_wm = entries_required + planea_params.guard_size; + + entries_required = ((planeb_clock / 1000) * pixel_size * latency_ns) / + 1000; + entries_required /= G4X_FIFO_LINE_SIZE; + planeb_wm = entries_required + planeb_params.guard_size; + + cursora_wm = cursorb_wm = 16; + cursor_sr = 32; + + DRM_DEBUG("FIFO watermarks - A: %d, B: %d\n", planea_wm, planeb_wm); + + /* Calc sr entries for one plane configs */ + if (sr_hdisplay && (!planea_clock || !planeb_clock)) { + /* self-refresh has much higher latency */ + const static int sr_latency_ns = 12000; + + sr_clock = planea_clock ? planea_clock : planeb_clock; + line_time_us = ((sr_hdisplay * 1000) / sr_clock); + + /* Use ns/us then divide to preserve precision */ + sr_entries = (((sr_latency_ns / line_time_us) + 1) * + pixel_size * sr_hdisplay) / 1000; + sr_entries = roundup(sr_entries / cacheline_size, 1); + DRM_DEBUG("self-refresh entries: %d\n", sr_entries); + I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN); + } + + DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, SR %d\n", + planea_wm, planeb_wm, sr_entries); + + planea_wm &= 0x3f; + planeb_wm &= 0x3f; + + I915_WRITE(DSPFW1, (sr_entries << DSPFW_SR_SHIFT) | + (cursorb_wm << DSPFW_CURSORB_SHIFT) | + (planeb_wm << DSPFW_PLANEB_SHIFT) | planea_wm); + I915_WRITE(DSPFW2, (I915_READ(DSPFW2) & DSPFW_CURSORA_MASK) | + (cursora_wm << DSPFW_CURSORA_SHIFT)); + /* HPLL off in SR has some issues on G4x... disable it */ + I915_WRITE(DSPFW3, (I915_READ(DSPFW3) & ~DSPFW_HPLL_SR_EN) | + (cursor_sr << DSPFW_CURSOR_SR_SHIFT)); } static void i965_update_wm(struct drm_device *dev, int unused, int unused2, @@ -2586,6 +2655,9 @@ static void intel_update_watermarks(struct drm_device *dev) unsigned long planea_clock = 0, planeb_clock = 0, sr_clock = 0; int enabled = 0, pixel_size = 0; + if (!dev_priv->display.update_wm) + return; + /* Get the clock config from both planes */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { intel_crtc = to_intel_crtc(crtc); @@ -2763,7 +2835,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* FDI link */ if (IS_IGDNG(dev)) { - int lane, link_bw; + int lane, link_bw, bpp; /* eDP doesn't require FDI link, so just set DP M/N according to current link config */ if (is_edp) { @@ -2782,10 +2854,72 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, lane = 4; link_bw = 270000; } - igdng_compute_m_n(3, lane, target_clock, + + /* determine panel color depth */ + temp = I915_READ(pipeconf_reg); + + switch (temp & PIPE_BPC_MASK) { + case PIPE_8BPC: + bpp = 24; + break; + case PIPE_10BPC: + bpp = 30; + break; + case PIPE_6BPC: + bpp = 18; + break; + case PIPE_12BPC: + bpp = 36; + break; + default: + DRM_ERROR("unknown pipe bpc value\n"); + bpp = 24; + } + + igdng_compute_m_n(bpp, lane, target_clock, link_bw, &m_n); } + /* Ironlake: try to setup display ref clock before DPLL + * enabling. This is only under driver's control after + * PCH B stepping, previous chipset stepping should be + * ignoring this setting. + */ + if (IS_IGDNG(dev)) { + temp = I915_READ(PCH_DREF_CONTROL); + /* Always enable nonspread source */ + temp &= ~DREF_NONSPREAD_SOURCE_MASK; + temp |= DREF_NONSPREAD_SOURCE_ENABLE; + I915_WRITE(PCH_DREF_CONTROL, temp); + POSTING_READ(PCH_DREF_CONTROL); + + temp &= ~DREF_SSC_SOURCE_MASK; + temp |= DREF_SSC_SOURCE_ENABLE; + I915_WRITE(PCH_DREF_CONTROL, temp); + POSTING_READ(PCH_DREF_CONTROL); + + udelay(200); + + if (is_edp) { + if (dev_priv->lvds_use_ssc) { + temp |= DREF_SSC1_ENABLE; + I915_WRITE(PCH_DREF_CONTROL, temp); + POSTING_READ(PCH_DREF_CONTROL); + + udelay(200); + + temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK; + temp |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; + I915_WRITE(PCH_DREF_CONTROL, temp); + POSTING_READ(PCH_DREF_CONTROL); + } else { + temp |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; + I915_WRITE(PCH_DREF_CONTROL, temp); + POSTING_READ(PCH_DREF_CONTROL); + } + } + } + if (IS_IGD(dev)) { fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2; if (has_reduced_clock) @@ -2936,6 +3070,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, lvds = I915_READ(lvds_reg); lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT; + /* set the corresponsding LVDS_BORDER bit */ + lvds |= dev_priv->lvds_border_bits; /* Set the B0-B3 data pairs corresponding to whether we're going to * set the DPLLs for dual-channel mode or not. */ @@ -4124,7 +4260,9 @@ void intel_init_clock_gating(struct drm_device *dev) * Disable clock gating reported to work incorrectly according to the * specs, but enable as much else as we can. */ - if (IS_G4X(dev)) { + if (IS_IGDNG(dev)) { + return; + } else if (IS_G4X(dev)) { uint32_t dspclk_gate; I915_WRITE(RENCLK_GATE_D1, 0); I915_WRITE(RENCLK_GATE_D2, VF_UNIT_CLOCK_GATE_DISABLE | @@ -4212,7 +4350,9 @@ static void intel_init_display(struct drm_device *dev) i830_get_display_clock_speed; /* For FIFO watermark updates */ - if (IS_G4X(dev)) + if (IS_IGDNG(dev)) + dev_priv->display.update_wm = NULL; + else if (IS_G4X(dev)) dev_priv->display.update_wm = g4x_update_wm; else if (IS_I965G(dev)) dev_priv->display.update_wm = i965_update_wm; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f4856a5..d834475 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -400,7 +400,7 @@ intel_dp_i2c_init(struct intel_output *intel_output, const char *name) { struct intel_dp_priv *dp_priv = intel_output->dev_priv; - DRM_ERROR("i2c_init %s\n", name); + DRM_DEBUG_KMS("i2c_init %s\n", name); dp_priv->algo.running = false; dp_priv->algo.address = 0; dp_priv->algo.aux_ch = intel_dp_i2c_aux_ch; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 98ae3d7..05598ae 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -380,7 +380,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, adjusted_mode->crtc_vblank_start + vsync_pos; /* keep the vsync width constant */ adjusted_mode->crtc_vsync_end = - adjusted_mode->crtc_vblank_start + vsync_width; + adjusted_mode->crtc_vsync_start + vsync_width; border = 1; break; case DRM_MODE_SCALE_ASPECT: @@ -526,6 +526,14 @@ out: lvds_priv->pfit_control = pfit_control; lvds_priv->pfit_pgm_ratios = pfit_pgm_ratios; /* + * When there exists the border, it means that the LVDS_BORDR + * should be enabled. + */ + if (border) + dev_priv->lvds_border_bits |= LVDS_BORDER_ENABLE; + else + dev_priv->lvds_border_bits &= ~(LVDS_BORDER_ENABLE); + /* * XXX: It would be nice to support lower refresh rates on the * panels to reduce power consumption, and perhaps match the * user's requested refresh rate. @@ -656,6 +664,15 @@ static int intel_lvds_get_modes(struct drm_connector *connector) return 0; } +/* + * Lid events. Note the use of 'modeset_on_lid': + * - we set it on lid close, and reset it on open + * - we use it as a "only once" bit (ie we ignore + * duplicate events where it was already properly + * set/reset) + * - the suspend/resume paths will also set it to + * zero, since they restore the mode ("lid open"). + */ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, void *unused) { @@ -663,13 +680,19 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, container_of(nb, struct drm_i915_private, lid_notifier); struct drm_device *dev = dev_priv->dev; - if (acpi_lid_open() && !dev_priv->suspended) { - mutex_lock(&dev->mode_config.mutex); - drm_helper_resume_force_mode(dev); - mutex_unlock(&dev->mode_config.mutex); + if (!acpi_lid_open()) { + dev_priv->modeset_on_lid = 1; + return NOTIFY_OK; } - drm_sysfs_hotplug_event(dev_priv->dev); + if (!dev_priv->modeset_on_lid) + return NOTIFY_OK; + + dev_priv->modeset_on_lid = 0; + + mutex_lock(&dev->mode_config.mutex); + drm_helper_resume_force_mode(dev); + mutex_unlock(&dev->mode_config.mutex); return NOTIFY_OK; } diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 4afba3e..e3654d6 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -120,19 +120,26 @@ struct imx_i2c_struct { wait_queue_head_t queue; unsigned long i2csr; unsigned int disable_delay; + int stopped; + unsigned int ifdr; /* IMX_I2C_IFDR */ }; /** Functions for IMX I2C adapter driver *************************************** *******************************************************************************/ -static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx) +static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) { unsigned long orig_jiffies = jiffies; + unsigned int temp; dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - /* wait for bus not busy */ - while (readb(i2c_imx->base + IMX_I2C_I2SR) & I2SR_IBB) { + while (1) { + temp = readb(i2c_imx->base + IMX_I2C_I2SR); + if (for_busy && (temp & I2SR_IBB)) + break; + if (!for_busy && !(temp & I2SR_IBB)) + break; if (signal_pending(current)) { dev_dbg(&i2c_imx->adapter.dev, "<%s> I2C Interrupted\n", __func__); @@ -179,41 +186,62 @@ static int i2c_imx_acked(struct imx_i2c_struct *i2c_imx) return 0; } -static void i2c_imx_start(struct imx_i2c_struct *i2c_imx) +static int i2c_imx_start(struct imx_i2c_struct *i2c_imx) { unsigned int temp = 0; + int result; dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); + clk_enable(i2c_imx->clk); + writeb(i2c_imx->ifdr, i2c_imx->base + IMX_I2C_IFDR); /* Enable I2C controller */ + writeb(0, i2c_imx->base + IMX_I2C_I2SR); writeb(I2CR_IEN, i2c_imx->base + IMX_I2C_I2CR); + + /* Wait controller to be stable */ + udelay(50); + /* Start I2C transaction */ temp = readb(i2c_imx->base + IMX_I2C_I2CR); temp |= I2CR_MSTA; writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + result = i2c_imx_bus_busy(i2c_imx, 1); + if (result) + return result; + i2c_imx->stopped = 0; + temp |= I2CR_IIEN | I2CR_MTX | I2CR_TXAK; writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + return result; } static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx) { unsigned int temp = 0; - /* Stop I2C transaction */ - dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - temp = readb(i2c_imx->base + IMX_I2C_I2CR); - temp &= ~I2CR_MSTA; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); - /* setup chip registers to defaults */ - writeb(I2CR_IEN, i2c_imx->base + IMX_I2C_I2CR); - writeb(0, i2c_imx->base + IMX_I2C_I2SR); - /* - * This delay caused by an i.MXL hardware bug. - * If no (or too short) delay, no "STOP" bit will be generated. - */ - udelay(i2c_imx->disable_delay); + if (!i2c_imx->stopped) { + /* Stop I2C transaction */ + dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); + temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp &= ~(I2CR_MSTA | I2CR_MTX); + writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + i2c_imx->stopped = 1; + } + if (cpu_is_mx1()) { + /* + * This delay caused by an i.MXL hardware bug. + * If no (or too short) delay, no "STOP" bit will be generated. + */ + udelay(i2c_imx->disable_delay); + } + + if (!i2c_imx->stopped) + i2c_imx_bus_busy(i2c_imx, 0); + /* Disable I2C controller */ writeb(0, i2c_imx->base + IMX_I2C_I2CR); + clk_disable(i2c_imx->clk); } static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, @@ -233,8 +261,8 @@ static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, else for (i = 0; i2c_clk_div[i][0] < div; i++); - /* Write divider value to register */ - writeb(i2c_clk_div[i][1], i2c_imx->base + IMX_I2C_IFDR); + /* Store divider value */ + i2c_imx->ifdr = i2c_clk_div[i][1]; /* * There dummy delay is calculated. @@ -341,11 +369,15 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs) if (result) return result; if (i == (msgs->len - 1)) { + /* It must generate STOP before read I2DR to prevent + controller from generating another clock cycle */ dev_dbg(&i2c_imx->adapter.dev, "<%s> clear MSTA\n", __func__); temp = readb(i2c_imx->base + IMX_I2C_I2CR); - temp &= ~I2CR_MSTA; + temp &= ~(I2CR_MSTA | I2CR_MTX); writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + i2c_imx_bus_busy(i2c_imx, 0); + i2c_imx->stopped = 1; } else if (i == (msgs->len - 2)) { dev_dbg(&i2c_imx->adapter.dev, "<%s> set TXAK\n", __func__); @@ -370,14 +402,11 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter, dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - /* Check if i2c bus is not busy */ - result = i2c_imx_bus_busy(i2c_imx); + /* Start I2C transfer */ + result = i2c_imx_start(i2c_imx); if (result) goto fail0; - /* Start I2C transfer */ - i2c_imx_start(i2c_imx); - /* read/write data */ for (i = 0; i < num; i++) { if (i) { @@ -386,6 +415,9 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter, temp = readb(i2c_imx->base + IMX_I2C_I2CR); temp |= I2CR_RSTA; writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + result = i2c_imx_bus_busy(i2c_imx, 1); + if (result) + goto fail0; } dev_dbg(&i2c_imx->adapter.dev, "<%s> transfer message: %d\n", __func__, i); @@ -500,7 +532,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev) dev_err(&pdev->dev, "can't get I2C clock\n"); goto fail3; } - clk_enable(i2c_imx->clk); /* Request IRQ */ ret = request_irq(i2c_imx->irq, i2c_imx_isr, 0, pdev->name, i2c_imx); @@ -549,7 +580,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev) fail5: free_irq(i2c_imx->irq, i2c_imx); fail4: - clk_disable(i2c_imx->clk); clk_put(i2c_imx->clk); fail3: release_mem_region(i2c_imx->res->start, resource_size(res)); @@ -586,8 +616,6 @@ static int __exit i2c_imx_remove(struct platform_device *pdev) if (pdata && pdata->exit) pdata->exit(&pdev->dev); - /* Disable I2C clock */ - clk_disable(i2c_imx->clk); clk_put(i2c_imx->clk); release_mem_region(i2c_imx->res->start, resource_size(i2c_imx->res)); diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index d325e86..f627001 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -365,9 +365,6 @@ static int mpc_write(struct mpc_i2c *i2c, int target, unsigned timeout = i2c->adap.timeout; u32 flags = restart ? CCR_RSTA : 0; - /* Start with MEN */ - if (!restart) - writeccr(i2c, CCR_MEN); /* Start as master */ writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX | flags); /* Write target byte */ @@ -396,9 +393,6 @@ static int mpc_read(struct mpc_i2c *i2c, int target, int i, result; u32 flags = restart ? CCR_RSTA : 0; - /* Start with MEN */ - if (!restart) - writeccr(i2c, CCR_MEN); /* Switch to read - restart */ writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX | flags); /* Write target address byte - this time with the read flag set */ @@ -425,9 +419,9 @@ static int mpc_read(struct mpc_i2c *i2c, int target, /* Generate txack on next to last byte */ if (i == length - 2) writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_TXAK); - /* Generate stop on last byte */ + /* Do not generate stop on last byte */ if (i == length - 1) - writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_TXAK); + writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX); data[i] = readb(i2c->base + MPC_I2C_DR); } diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index a651237..4452eab 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -233,6 +233,7 @@ struct atkbd { */ static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); static void *atkbd_platform_fixup_data; +static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int); static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, ssize_t (*handler)(struct atkbd *, char *)); @@ -393,6 +394,9 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, input_event(dev, EV_MSC, MSC_RAW, code); + if (atkbd_platform_scancode_fixup) + code = atkbd_platform_scancode_fixup(atkbd, code); + if (atkbd->translated) { if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { @@ -923,6 +927,22 @@ static unsigned int atkbd_volume_forced_release_keys[] = { }; /* + * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas + * they should be generating e4-e6 (0x80 | code). + */ +static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd, + unsigned int code) +{ + if (atkbd->translated && atkbd->emul == 1 && + (code == 0x64 || code == 0x65 || code == 0x66)) { + atkbd->emul = 0; + code |= 0x80; + } + + return code; +} + +/* * atkbd_set_keycode_table() initializes keyboard's keycode table * according to the selected scancode set */ @@ -1527,6 +1547,13 @@ static int __init atkbd_setup_forced_release(const struct dmi_system_id *id) return 0; } +static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id) +{ + atkbd_platform_scancode_fixup = id->driver_data; + + return 0; +} + static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { { .ident = "Dell Laptop", @@ -1663,6 +1690,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { .callback = atkbd_setup_forced_release, .driver_data = atkdb_soltech_ta12_forced_release_keys, }, + { + .ident = "OQO Model 01+", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "OQO"), + DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), + }, + .callback = atkbd_setup_scancode_fixup, + .driver_data = atkbd_oqo_01plus_scancode_fixup, + }, { } }; diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index a88aff3..77d1309 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -147,6 +147,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) } error = request_irq(irq, gpio_keys_isr, + IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, button->desc ? button->desc : "gpio_keys", bdata); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 02f4f8f..a9bb254 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -227,6 +227,7 @@ config INPUT_WINBOND_CIR depends on X86 && PNP select NEW_LEDS select LEDS_CLASS + select LEDS_TRIGGERS select BITREVERSE help Say Y here if you want to use the IR remote functionality found diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index a315781..1df02d25 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -836,17 +836,32 @@ static int i8042_controller_selftest(void) static int i8042_controller_init(void) { unsigned long flags; + int n = 0; + unsigned char ctr[2]; /* - * Save the CTR for restoral on unload / reboot. + * Save the CTR for restore on unload / reboot. */ - if (i8042_command(&i8042_ctr, I8042_CMD_CTL_RCTR)) { - printk(KERN_ERR "i8042.c: Can't read CTR while initializing i8042.\n"); - return -EIO; - } + do { + if (n >= 10) { + printk(KERN_ERR + "i8042.c: Unable to get stable CTR read.\n"); + return -EIO; + } + + if (n != 0) + udelay(50); + + if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) { + printk(KERN_ERR + "i8042.c: Can't read CTR while initializing i8042.\n"); + return -EIO; + } - i8042_initial_ctr = i8042_ctr; + } while (n < 2 || ctr[0] != ctr[1]); + + i8042_initial_ctr = i8042_ctr = ctr[0]; /* * Disable the keyboard interface and interrupt. @@ -895,6 +910,12 @@ static int i8042_controller_init(void) return -EIO; } +/* + * Flush whatever accumulated while we were disabling keyboard port. + */ + + i8042_flush(); + return 0; } @@ -914,7 +935,7 @@ static void i8042_controller_reset(void) i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS; i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT); - if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR)) + if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n"); /* diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 1dc4185..e355e7f 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -46,7 +46,7 @@ obj-$(CONFIG_DM_LOG_USERSPACE) += dm-log-userspace.o obj-$(CONFIG_DM_ZERO) += dm-zero.o quiet_cmd_unroll = UNROLL $@ - cmd_unroll = $(PERL) $(srctree)/$(src)/unroll.pl $(UNROLL) \ + cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \ < $< > $@ || ( rm -f $@ && exit 1 ) ifeq ($(CONFIG_ALTIVEC),y) @@ -59,56 +59,56 @@ endif targets += raid6int1.c $(obj)/raid6int1.c: UNROLL := 1 -$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int2.c $(obj)/raid6int2.c: UNROLL := 2 -$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int4.c $(obj)/raid6int4.c: UNROLL := 4 -$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int8.c $(obj)/raid6int8.c: UNROLL := 8 -$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int16.c $(obj)/raid6int16.c: UNROLL := 16 -$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) targets += raid6int32.c $(obj)/raid6int32.c: UNROLL := 32 -$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE +$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec1.o += $(altivec_flags) targets += raid6altivec1.c $(obj)/raid6altivec1.c: UNROLL := 1 -$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec2.o += $(altivec_flags) targets += raid6altivec2.c $(obj)/raid6altivec2.c: UNROLL := 2 -$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec4.o += $(altivec_flags) targets += raid6altivec4.c $(obj)/raid6altivec4.c: UNROLL := 4 -$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) CFLAGS_raid6altivec8.o += $(altivec_flags) targets += raid6altivec8.c $(obj)/raid6altivec8.c: UNROLL := 8 -$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE +$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE $(call if_changed,unroll) quiet_cmd_mktable = TABLE $@ diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 6986b00..60e2b32 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1624,10 +1624,11 @@ int bitmap_create(mddev_t *mddev) bitmap->offset = mddev->bitmap_offset; if (file) { get_file(file); - do_sync_mapping_range(file->f_mapping, 0, LLONG_MAX, - SYNC_FILE_RANGE_WAIT_BEFORE | - SYNC_FILE_RANGE_WRITE | - SYNC_FILE_RANGE_WAIT_AFTER); + /* As future accesses to this file will use bmap, + * and bypass the page cache, we must sync the file + * first. + */ + vfs_fsync(file, file->f_dentry, 1); } /* read superblock from bitmap file (this sets bitmap->chunksize) */ err = bitmap_read_sb(bitmap); diff --git a/drivers/md/md.c b/drivers/md/md.c index 26ba42a..10eb1fc 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2631,7 +2631,7 @@ static void analyze_sbs(mddev_t * mddev) rdev->desc_nr = i++; rdev->raid_disk = rdev->desc_nr; set_bit(In_sync, &rdev->flags); - } else if (rdev->raid_disk >= mddev->raid_disks) { + } else if (rdev->raid_disk >= (mddev->raid_disks - min(0, mddev->delta_disks))) { rdev->raid_disk = -1; clear_bit(In_sync, &rdev->flags); } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index d1b9bd5..a053423 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -64,7 +64,7 @@ static void * r1bio_pool_alloc(gfp_t gfp_flags, void *data) /* allocate a r1bio with room for raid_disks entries in the bios array */ r1_bio = kzalloc(size, gfp_flags); - if (!r1_bio) + if (!r1_bio && pi->mddev) unplug_slaves(pi->mddev); return r1_bio; @@ -1683,6 +1683,7 @@ static void raid1d(mddev_t *mddev) generic_make_request(bio); } } + cond_resched(); } if (unplug) unplug_slaves(mddev); @@ -1978,13 +1979,14 @@ static int run(mddev_t *mddev) conf->poolinfo = kmalloc(sizeof(*conf->poolinfo), GFP_KERNEL); if (!conf->poolinfo) goto out_no_mem; - conf->poolinfo->mddev = mddev; + conf->poolinfo->mddev = NULL; conf->poolinfo->raid_disks = mddev->raid_disks; conf->r1bio_pool = mempool_create(NR_RAID1_BIOS, r1bio_pool_alloc, r1bio_pool_free, conf->poolinfo); if (!conf->r1bio_pool) goto out_no_mem; + conf->poolinfo->mddev = mddev; spin_lock_init(&conf->device_lock); mddev->queue->queue_lock = &conf->device_lock; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 51c4c5c..c2cb7b8 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -68,7 +68,7 @@ static void * r10bio_pool_alloc(gfp_t gfp_flags, void *data) /* allocate a r10bio with room for raid_disks entries in the bios array */ r10_bio = kzalloc(size, gfp_flags); - if (!r10_bio) + if (!r10_bio && conf->mddev) unplug_slaves(conf->mddev); return r10_bio; @@ -1632,6 +1632,7 @@ static void raid10d(mddev_t *mddev) generic_make_request(bio); } } + cond_resched(); } if (unplug) unplug_slaves(mddev); @@ -2095,7 +2096,6 @@ static int run(mddev_t *mddev) if (!conf->tmppage) goto out_free_conf; - conf->mddev = mddev; conf->raid_disks = mddev->raid_disks; conf->near_copies = nc; conf->far_copies = fc; @@ -2132,6 +2132,7 @@ static int run(mddev_t *mddev) goto out_free_conf; } + conf->mddev = mddev; spin_lock_init(&conf->device_lock); mddev->queue->queue_lock = &conf->device_lock; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 9482980..81abefc 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -156,13 +156,16 @@ static inline int raid6_next_disk(int disk, int raid_disks) static int raid6_idx_to_slot(int idx, struct stripe_head *sh, int *count, int syndrome_disks) { - int slot; + int slot = *count; + if (sh->ddf_layout) + (*count)++; if (idx == sh->pd_idx) return syndrome_disks; if (idx == sh->qd_idx) return syndrome_disks + 1; - slot = (*count)++; + if (!sh->ddf_layout) + (*count)++; return slot; } @@ -717,7 +720,7 @@ static int set_syndrome_sources(struct page **srcs, struct stripe_head *sh) int i; for (i = 0; i < disks; i++) - srcs[i] = (void *)raid6_empty_zero_page; + srcs[i] = NULL; count = 0; i = d0_idx; @@ -727,9 +730,8 @@ static int set_syndrome_sources(struct page **srcs, struct stripe_head *sh) srcs[slot] = sh->dev[i].page; i = raid6_next_disk(i, disks); } while (i != d0_idx); - BUG_ON(count != syndrome_disks); - return count; + return syndrome_disks; } static struct dma_async_tx_descriptor * @@ -814,7 +816,7 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu) * slot number conversion for 'faila' and 'failb' */ for (i = 0; i < disks ; i++) - blocks[i] = (void *)raid6_empty_zero_page; + blocks[i] = NULL; count = 0; i = d0_idx; do { @@ -828,7 +830,6 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu) failb = slot; i = raid6_next_disk(i, disks); } while (i != d0_idx); - BUG_ON(count != syndrome_disks); BUG_ON(faila == failb); if (failb < faila) @@ -845,7 +846,7 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu) init_async_submit(&submit, ASYNC_TX_FENCE, NULL, ops_complete_compute, sh, to_addr_conv(sh, percpu)); - return async_gen_syndrome(blocks, 0, count+2, + return async_gen_syndrome(blocks, 0, syndrome_disks+2, STRIPE_SIZE, &submit); } else { struct page *dest; @@ -1139,7 +1140,7 @@ static void ops_run_check_pq(struct stripe_head *sh, struct raid5_percpu *percpu &sh->ops.zero_sum_result, percpu->spare_page, &submit); } -static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request) +static void __raid_run_ops(struct stripe_head *sh, unsigned long ops_request) { int overlap_clear = 0, i, disks = sh->disks; struct dma_async_tx_descriptor *tx = NULL; @@ -1204,22 +1205,55 @@ static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request) put_cpu(); } +#ifdef CONFIG_MULTICORE_RAID456 +static void async_run_ops(void *param, async_cookie_t cookie) +{ + struct stripe_head *sh = param; + unsigned long ops_request = sh->ops.request; + + clear_bit_unlock(STRIPE_OPS_REQ_PENDING, &sh->state); + wake_up(&sh->ops.wait_for_ops); + + __raid_run_ops(sh, ops_request); + release_stripe(sh); +} + +static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request) +{ + /* since handle_stripe can be called outside of raid5d context + * we need to ensure sh->ops.request is de-staged before another + * request arrives + */ + wait_event(sh->ops.wait_for_ops, + !test_and_set_bit_lock(STRIPE_OPS_REQ_PENDING, &sh->state)); + sh->ops.request = ops_request; + + atomic_inc(&sh->count); + async_schedule(async_run_ops, sh); +} +#else +#define raid_run_ops __raid_run_ops +#endif + static int grow_one_stripe(raid5_conf_t *conf) { struct stripe_head *sh; + int disks = max(conf->raid_disks, conf->previous_raid_disks); sh = kmem_cache_alloc(conf->slab_cache, GFP_KERNEL); if (!sh) return 0; - memset(sh, 0, sizeof(*sh) + (conf->raid_disks-1)*sizeof(struct r5dev)); + memset(sh, 0, sizeof(*sh) + (disks-1)*sizeof(struct r5dev)); sh->raid_conf = conf; spin_lock_init(&sh->lock); + #ifdef CONFIG_MULTICORE_RAID456 + init_waitqueue_head(&sh->ops.wait_for_ops); + #endif - if (grow_buffers(sh, conf->raid_disks)) { - shrink_buffers(sh, conf->raid_disks); + if (grow_buffers(sh, disks)) { + shrink_buffers(sh, disks); kmem_cache_free(conf->slab_cache, sh); return 0; } - sh->disks = conf->raid_disks; /* we just created an active stripe so... */ atomic_set(&sh->count, 1); atomic_inc(&conf->active_stripes); @@ -1231,7 +1265,7 @@ static int grow_one_stripe(raid5_conf_t *conf) static int grow_stripes(raid5_conf_t *conf, int num) { struct kmem_cache *sc; - int devs = conf->raid_disks; + int devs = max(conf->raid_disks, conf->previous_raid_disks); sprintf(conf->cache_name[0], "raid%d-%s", conf->level, mdname(conf->mddev)); @@ -1329,6 +1363,9 @@ static int resize_stripes(raid5_conf_t *conf, int newsize) nsh->raid_conf = conf; spin_lock_init(&nsh->lock); + #ifdef CONFIG_MULTICORE_RAID456 + init_waitqueue_head(&nsh->ops.wait_for_ops); + #endif list_add(&nsh->lru, &newstripes); } @@ -1899,10 +1936,15 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) case ALGORITHM_PARITY_N: break; case ALGORITHM_ROTATING_N_CONTINUE: + /* Like left_symmetric, but P is before Q */ if (sh->pd_idx == 0) i--; /* P D D D Q */ - else if (i > sh->pd_idx) - i -= 2; /* D D Q P D */ + else { + /* D D Q P D */ + if (i < sh->pd_idx) + i += raid_disks; + i -= (sh->pd_idx + 1); + } break; case ALGORITHM_LEFT_ASYMMETRIC_6: case ALGORITHM_RIGHT_ASYMMETRIC_6: @@ -2896,7 +2938,7 @@ static void handle_stripe_expansion(raid5_conf_t *conf, struct stripe_head *sh, * */ -static bool handle_stripe5(struct stripe_head *sh) +static void handle_stripe5(struct stripe_head *sh) { raid5_conf_t *conf = sh->raid_conf; int disks = sh->disks, i; @@ -3167,11 +3209,9 @@ static bool handle_stripe5(struct stripe_head *sh) ops_run_io(sh, &s); return_io(return_bi); - - return blocked_rdev == NULL; } -static bool handle_stripe6(struct stripe_head *sh) +static void handle_stripe6(struct stripe_head *sh) { raid5_conf_t *conf = sh->raid_conf; int disks = sh->disks; @@ -3455,17 +3495,14 @@ static bool handle_stripe6(struct stripe_head *sh) ops_run_io(sh, &s); return_io(return_bi); - - return blocked_rdev == NULL; } -/* returns true if the stripe was handled */ -static bool handle_stripe(struct stripe_head *sh) +static void handle_stripe(struct stripe_head *sh) { if (sh->raid_conf->level == 6) - return handle_stripe6(sh); + handle_stripe6(sh); else - return handle_stripe5(sh); + handle_stripe5(sh); } static void raid5_activate_delayed(raid5_conf_t *conf) @@ -3503,9 +3540,10 @@ static void unplug_slaves(mddev_t *mddev) { raid5_conf_t *conf = mddev->private; int i; + int devs = max(conf->raid_disks, conf->previous_raid_disks); rcu_read_lock(); - for (i = 0; i < conf->raid_disks; i++) { + for (i = 0; i < devs; i++) { mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev); if (rdev && !test_bit(Faulty, &rdev->flags) && atomic_read(&rdev->nr_pending)) { struct request_queue *r_queue = bdev_get_queue(rdev->bdev); @@ -4277,9 +4315,7 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski clear_bit(STRIPE_INSYNC, &sh->state); spin_unlock(&sh->lock); - /* wait for any blocked device to be handled */ - while (unlikely(!handle_stripe(sh))) - ; + handle_stripe(sh); release_stripe(sh); return STRIPE_SECTORS; @@ -4349,37 +4385,6 @@ static int retry_aligned_read(raid5_conf_t *conf, struct bio *raid_bio) return handled; } -#ifdef CONFIG_MULTICORE_RAID456 -static void __process_stripe(void *param, async_cookie_t cookie) -{ - struct stripe_head *sh = param; - - handle_stripe(sh); - release_stripe(sh); -} - -static void process_stripe(struct stripe_head *sh, struct list_head *domain) -{ - async_schedule_domain(__process_stripe, sh, domain); -} - -static void synchronize_stripe_processing(struct list_head *domain) -{ - async_synchronize_full_domain(domain); -} -#else -static void process_stripe(struct stripe_head *sh, struct list_head *domain) -{ - handle_stripe(sh); - release_stripe(sh); - cond_resched(); -} - -static void synchronize_stripe_processing(struct list_head *domain) -{ -} -#endif - /* * This is our raid5 kernel thread. @@ -4393,7 +4398,6 @@ static void raid5d(mddev_t *mddev) struct stripe_head *sh; raid5_conf_t *conf = mddev->private; int handled; - LIST_HEAD(raid_domain); pr_debug("+++ raid5d active\n"); @@ -4430,7 +4434,9 @@ static void raid5d(mddev_t *mddev) spin_unlock_irq(&conf->device_lock); handled++; - process_stripe(sh, &raid_domain); + handle_stripe(sh); + release_stripe(sh); + cond_resched(); spin_lock_irq(&conf->device_lock); } @@ -4438,7 +4444,6 @@ static void raid5d(mddev_t *mddev) spin_unlock_irq(&conf->device_lock); - synchronize_stripe_processing(&raid_domain); async_tx_issue_pending_all(); unplug_slaves(mddev); @@ -4558,13 +4563,9 @@ raid5_size(mddev_t *mddev, sector_t sectors, int raid_disks) if (!sectors) sectors = mddev->dev_sectors; - if (!raid_disks) { + if (!raid_disks) /* size is defined by the smallest of previous and new size */ - if (conf->raid_disks < conf->previous_raid_disks) - raid_disks = conf->raid_disks; - else - raid_disks = conf->previous_raid_disks; - } + raid_disks = min(conf->raid_disks, conf->previous_raid_disks); sectors &= ~((sector_t)mddev->chunk_sectors - 1); sectors &= ~((sector_t)mddev->new_chunk_sectors - 1); @@ -4665,7 +4666,7 @@ static int raid5_alloc_percpu(raid5_conf_t *conf) } per_cpu_ptr(conf->percpu, cpu)->spare_page = spare_page; } - scribble = kmalloc(scribble_len(conf->raid_disks), GFP_KERNEL); + scribble = kmalloc(conf->scribble_len, GFP_KERNEL); if (!scribble) { err = -ENOMEM; break; @@ -4686,7 +4687,7 @@ static int raid5_alloc_percpu(raid5_conf_t *conf) static raid5_conf_t *setup_conf(mddev_t *mddev) { raid5_conf_t *conf; - int raid_disk, memory; + int raid_disk, memory, max_disks; mdk_rdev_t *rdev; struct disk_info *disk; @@ -4722,15 +4723,28 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) conf = kzalloc(sizeof(raid5_conf_t), GFP_KERNEL); if (conf == NULL) goto abort; + spin_lock_init(&conf->device_lock); + init_waitqueue_head(&conf->wait_for_stripe); + init_waitqueue_head(&conf->wait_for_overlap); + INIT_LIST_HEAD(&conf->handle_list); + INIT_LIST_HEAD(&conf->hold_list); + INIT_LIST_HEAD(&conf->delayed_list); + INIT_LIST_HEAD(&conf->bitmap_list); + INIT_LIST_HEAD(&conf->inactive_list); + atomic_set(&conf->active_stripes, 0); + atomic_set(&conf->preread_active_stripes, 0); + atomic_set(&conf->active_aligned_reads, 0); + conf->bypass_threshold = BYPASS_THRESHOLD; conf->raid_disks = mddev->raid_disks; - conf->scribble_len = scribble_len(conf->raid_disks); if (mddev->reshape_position == MaxSector) conf->previous_raid_disks = mddev->raid_disks; else conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks; + max_disks = max(conf->raid_disks, conf->previous_raid_disks); + conf->scribble_len = scribble_len(max_disks); - conf->disks = kzalloc(conf->raid_disks * sizeof(struct disk_info), + conf->disks = kzalloc(max_disks * sizeof(struct disk_info), GFP_KERNEL); if (!conf->disks) goto abort; @@ -4744,24 +4758,11 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) if (raid5_alloc_percpu(conf) != 0) goto abort; - spin_lock_init(&conf->device_lock); - init_waitqueue_head(&conf->wait_for_stripe); - init_waitqueue_head(&conf->wait_for_overlap); - INIT_LIST_HEAD(&conf->handle_list); - INIT_LIST_HEAD(&conf->hold_list); - INIT_LIST_HEAD(&conf->delayed_list); - INIT_LIST_HEAD(&conf->bitmap_list); - INIT_LIST_HEAD(&conf->inactive_list); - atomic_set(&conf->active_stripes, 0); - atomic_set(&conf->preread_active_stripes, 0); - atomic_set(&conf->active_aligned_reads, 0); - conf->bypass_threshold = BYPASS_THRESHOLD; - pr_debug("raid5: run(%s) called.\n", mdname(mddev)); list_for_each_entry(rdev, &mddev->disks, same_set) { raid_disk = rdev->raid_disk; - if (raid_disk >= conf->raid_disks + if (raid_disk >= max_disks || raid_disk < 0) continue; disk = conf->disks + raid_disk; @@ -4793,7 +4794,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) } memory = conf->max_nr_stripes * (sizeof(struct stripe_head) + - conf->raid_disks * ((sizeof(struct bio) + PAGE_SIZE))) / 1024; + max_disks * ((sizeof(struct bio) + PAGE_SIZE))) / 1024; if (grow_stripes(conf, conf->max_nr_stripes)) { printk(KERN_ERR "raid5: couldn't allocate %dkB for buffers\n", memory); @@ -4918,7 +4919,8 @@ static int run(mddev_t *mddev) test_bit(In_sync, &rdev->flags)) working_disks++; - mddev->degraded = conf->raid_disks - working_disks; + mddev->degraded = (max(conf->raid_disks, conf->previous_raid_disks) + - working_disks); if (mddev->degraded > conf->max_degraded) { printk(KERN_ERR "raid5: not enough operational devices for %s" diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 2390e0e..dd70835 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -214,12 +214,20 @@ struct stripe_head { int disks; /* disks in stripe */ enum check_states check_state; enum reconstruct_states reconstruct_state; - /* stripe_operations + /** + * struct stripe_operations * @target - STRIPE_OP_COMPUTE_BLK target + * @target2 - 2nd compute target in the raid6 case + * @zero_sum_result - P and Q verification flags + * @request - async service request flags for raid_run_ops */ struct stripe_operations { int target, target2; enum sum_check_flags zero_sum_result; + #ifdef CONFIG_MULTICORE_RAID456 + unsigned long request; + wait_queue_head_t wait_for_ops; + #endif } ops; struct r5dev { struct bio req; @@ -294,6 +302,8 @@ struct r6_state { #define STRIPE_FULL_WRITE 13 /* all blocks are set to be overwritten */ #define STRIPE_BIOFILL_RUN 14 #define STRIPE_COMPUTE_RUN 15 +#define STRIPE_OPS_REQ_PENDING 16 + /* * Operation request flags */ @@ -478,7 +488,7 @@ static inline int algorithm_valid_raid6(int layout) { return (layout >= 0 && layout <= 5) || - (layout == 8 || layout == 10) + (layout >= 8 && layout <= 10) || (layout >= 16 && layout <= 20); } diff --git a/drivers/md/raid6altivec.uc b/drivers/md/raid6altivec.uc index 699dfee..2654d5c 100644 --- a/drivers/md/raid6altivec.uc +++ b/drivers/md/raid6altivec.uc @@ -15,7 +15,7 @@ * * $#-way unrolled portable integer math RAID-6 instruction set * - * This file is postprocessed using unroll.pl + * This file is postprocessed using unroll.awk * * <benh> hpa: in process, * you can just "steal" the vec unit with enable_kernel_altivec() (but diff --git a/drivers/md/raid6int.uc b/drivers/md/raid6int.uc index f9bf9cb..d1e276a 100644 --- a/drivers/md/raid6int.uc +++ b/drivers/md/raid6int.uc @@ -15,7 +15,7 @@ * * $#-way unrolled portable integer math RAID-6 instruction set * - * This file is postprocessed using unroll.pl + * This file is postprocessed using unroll.awk */ #include <linux/raid/pq.h> diff --git a/drivers/md/raid6test/Makefile b/drivers/md/raid6test/Makefile index 58ffdf4..2874cbe 100644 --- a/drivers/md/raid6test/Makefile +++ b/drivers/md/raid6test/Makefile @@ -7,7 +7,7 @@ CC = gcc OPTFLAGS = -O2 # Adjust as desired CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS) LD = ld -PERL = perl +AWK = awk AR = ar RANLIB = ranlib @@ -35,35 +35,35 @@ raid6.a: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \ raid6test: test.c raid6.a $(CC) $(CFLAGS) -o raid6test $^ -raid6altivec1.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 1 < raid6altivec.uc > $@ +raid6altivec1.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=1 < raid6altivec.uc > $@ -raid6altivec2.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 2 < raid6altivec.uc > $@ +raid6altivec2.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=2 < raid6altivec.uc > $@ -raid6altivec4.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 4 < raid6altivec.uc > $@ +raid6altivec4.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=4 < raid6altivec.uc > $@ -raid6altivec8.c: raid6altivec.uc ../unroll.pl - $(PERL) ../unroll.pl 8 < raid6altivec.uc > $@ +raid6altivec8.c: raid6altivec.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=8 < raid6altivec.uc > $@ -raid6int1.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 1 < raid6int.uc > $@ +raid6int1.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=1 < raid6int.uc > $@ -raid6int2.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 2 < raid6int.uc > $@ +raid6int2.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=2 < raid6int.uc > $@ -raid6int4.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 4 < raid6int.uc > $@ +raid6int4.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=4 < raid6int.uc > $@ -raid6int8.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 8 < raid6int.uc > $@ +raid6int8.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=8 < raid6int.uc > $@ -raid6int16.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 16 < raid6int.uc > $@ +raid6int16.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=16 < raid6int.uc > $@ -raid6int32.c: raid6int.uc ../unroll.pl - $(PERL) ../unroll.pl 32 < raid6int.uc > $@ +raid6int32.c: raid6int.uc ../unroll.awk + $(AWK) ../unroll.awk -vN=32 < raid6int.uc > $@ raid6tables.c: mktables ./mktables > raid6tables.c diff --git a/drivers/md/unroll.awk b/drivers/md/unroll.awk new file mode 100644 index 0000000..c6aa036 --- /dev/null +++ b/drivers/md/unroll.awk @@ -0,0 +1,20 @@ + +# This filter requires one command line option of form -vN=n +# where n must be a decimal number. +# +# Repeat each input line containing $$ n times, replacing $$ with 0...n-1. +# Replace each $# with n, and each $* with a single $. + +BEGIN { + n = N + 0 +} +{ + if (/\$\$/) { rep = n } else { rep = 1 } + for (i = 0; i < rep; ++i) { + tmp = $0 + gsub(/\$\$/, i, tmp) + gsub(/\$\#/, n, tmp) + gsub(/\$\*/, "$", tmp) + print tmp + } +} diff --git a/drivers/md/unroll.pl b/drivers/md/unroll.pl deleted file mode 100644 index 3acc710..0000000 --- a/drivers/md/unroll.pl +++ /dev/null @@ -1,24 +0,0 @@ -#!/usr/bin/perl -# -# Take a piece of C code and for each line which contains the sequence $$ -# repeat n times with $ replaced by 0...n-1; the sequence $# is replaced -# by the unrolling factor, and $* with a single $ -# - -($n) = @ARGV; -$n += 0; - -while ( defined($line = <STDIN>) ) { - if ( $line =~ /\$\$/ ) { - $rep = $n; - } else { - $rep = 1; - } - for ( $i = 0 ; $i < $rep ; $i++ ) { - $tmp = $line; - $tmp =~ s/\$\$/$i/g; - $tmp =~ s/\$\#/$n/g; - $tmp =~ s/\$\*/\$/g; - print $tmp; - } -} diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c index ccd4408..3f2375c 100644 --- a/drivers/misc/sgi-gru/gruprocfs.c +++ b/drivers/misc/sgi-gru/gruprocfs.c @@ -161,14 +161,15 @@ static int options_show(struct seq_file *s, void *p) static ssize_t options_write(struct file *file, const char __user *userbuf, size_t count, loff_t *data) { - unsigned long val; - char buf[80]; + char buf[20]; - if (strncpy_from_user(buf, userbuf, sizeof(buf) - 1) < 0) + if (count >= sizeof(buf)) + return -EINVAL; + if (copy_from_user(buf, userbuf, count)) return -EFAULT; - buf[count - 1] = '\0'; - if (!strict_strtoul(buf, 10, &val)) - gru_options = val; + buf[count] = '\0'; + if (strict_strtoul(buf, 0, &gru_options)) + return -EINVAL; return count; } diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 5d2f48f..3c29a20 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1427,19 +1427,31 @@ static int e100_phy_init(struct nic *nic) } else DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id); - /* Isolate all the PHY ids */ - for (addr = 0; addr < 32; addr++) - mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE); - /* Select the discovered PHY */ - bmcr &= ~BMCR_ISOLATE; - mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr); - /* Get phy ID */ id_lo = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID1); id_hi = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID2); nic->phy = (u32)id_hi << 16 | (u32)id_lo; DPRINTK(HW, DEBUG, "phy ID = 0x%08X\n", nic->phy); + /* Select the phy and isolate the rest */ + for (addr = 0; addr < 32; addr++) { + if (addr != nic->mii.phy_id) { + mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE); + } else if (nic->phy != phy_82552_v) { + bmcr = mdio_read(netdev, addr, MII_BMCR); + mdio_write(netdev, addr, MII_BMCR, + bmcr & ~BMCR_ISOLATE); + } + } + /* + * Workaround for 82552: + * Clear the ISOLATE bit on selected phy_id last (mirrored on all + * other phy_id's) using bmcr value from addr discovery loop above. + */ + if (nic->phy == phy_82552_v) + mdio_write(netdev, nic->mii.phy_id, MII_BMCR, + bmcr & ~BMCR_ISOLATE); + /* Handle National tx phys */ #define NCS_PHY_MODEL_MASK 0xFFF0FFFF if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) { diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index c0f185b..1190167 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -76,6 +76,7 @@ /* Extended Device Control */ #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */ #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ +#define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */ #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ #define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */ #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 @@ -347,6 +348,7 @@ /* Extended Configuration Control and Size */ #define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020 #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001 +#define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE 0x00000008 #define E1000_EXTCNF_CTRL_SWFLAG 0x00000020 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16 diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index 405a144..189dfa2 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -141,6 +141,20 @@ struct e1000_info; #define HV_TNCRS_UPPER PHY_REG(778, 29) /* Transmit with no CRS */ #define HV_TNCRS_LOWER PHY_REG(778, 30) +/* BM PHY Copper Specific Status */ +#define BM_CS_STATUS 17 +#define BM_CS_STATUS_LINK_UP 0x0400 +#define BM_CS_STATUS_RESOLVED 0x0800 +#define BM_CS_STATUS_SPEED_MASK 0xC000 +#define BM_CS_STATUS_SPEED_1000 0x8000 + +/* 82577 Mobile Phy Status Register */ +#define HV_M_STATUS 26 +#define HV_M_STATUS_AUTONEG_COMPLETE 0x1000 +#define HV_M_STATUS_SPEED_MASK 0x0300 +#define HV_M_STATUS_SPEED_1000 0x0200 +#define HV_M_STATUS_LINK_UP 0x0040 + enum e1000_boards { board_82571, board_82572, diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 7b05cf4..aaea41e 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -903,6 +903,7 @@ struct e1000_shadow_ram { struct e1000_dev_spec_ich8lan { bool kmrn_lock_loss_workaround_enabled; struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS]; + bool nvm_k1_enabled; }; struct e1000_hw { diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index b6388b9..51ddb04 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c @@ -124,11 +124,25 @@ #define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ +/* SMBus Address Phy Register */ +#define HV_SMB_ADDR PHY_REG(768, 26) +#define HV_SMB_ADDR_PEC_EN 0x0200 +#define HV_SMB_ADDR_VALID 0x0080 + +/* Strapping Option Register - RO */ +#define E1000_STRAP 0x0000C +#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 +#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17 + /* OEM Bits Phy Register */ #define HV_OEM_BITS PHY_REG(768, 25) #define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ +#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ +#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ +#define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ + /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ /* Offset 04h HSFSTS */ union ich8_hws_flash_status { @@ -208,6 +222,9 @@ static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); static s32 e1000_led_on_pchlan(struct e1000_hw *hw); static s32 e1000_led_off_pchlan(struct e1000_hw *hw); static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); +static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); +static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); +static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable); static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) { @@ -483,14 +500,6 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) goto out; } - if (hw->mac.type == e1000_pchlan) { - ret_val = e1000e_write_kmrn_reg(hw, - E1000_KMRNCTRLSTA_K1_CONFIG, - E1000_KMRNCTRLSTA_K1_ENABLE); - if (ret_val) - goto out; - } - /* * First we want to see if the MII Status Register reports * link. If so, then we want to get the current speed/duplex @@ -500,6 +509,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (ret_val) goto out; + if (hw->mac.type == e1000_pchlan) { + ret_val = e1000_k1_gig_workaround_hv(hw, link); + if (ret_val) + goto out; + } + if (!link) goto out; /* No link detected */ @@ -794,6 +809,326 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw) } /** + * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration + * @hw: pointer to the HW structure + * + * SW should configure the LCD from the NVM extended configuration region + * as a workaround for certain parts. + **/ +static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; + s32 ret_val; + u16 word_addr, reg_data, reg_addr, phy_page = 0; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + + /* + * Initialize the PHY from the NVM on ICH platforms. This + * is needed due to an issue where the NVM configuration is + * not properly autoloaded after power transitions. + * Therefore, after each PHY reset, we will load the + * configuration data out of the NVM manually. + */ + if ((hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) || + (hw->mac.type == e1000_pchlan)) { + struct e1000_adapter *adapter = hw->adapter; + + /* Check if SW needs to configure the PHY */ + if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || + (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M) || + (hw->mac.type == e1000_pchlan)) + sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; + else + sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; + + data = er32(FEXTNVM); + if (!(data & sw_cfg_mask)) + goto out; + + /* Wait for basic configuration completes before proceeding */ + e1000_lan_init_done_ich8lan(hw); + + /* + * Make sure HW does not configure LCD from PHY + * extended configuration before SW configuration + */ + data = er32(EXTCNF_CTRL); + if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) + goto out; + + cnf_size = er32(EXTCNF_SIZE); + cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; + cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; + if (!cnf_size) + goto out; + + cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; + cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; + + if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && + (hw->mac.type == e1000_pchlan)) { + /* + * HW configures the SMBus address and LEDs when the + * OEM and LCD Write Enable bits are set in the NVM. + * When both NVM bits are cleared, SW will configure + * them instead. + */ + data = er32(STRAP); + data &= E1000_STRAP_SMBUS_ADDRESS_MASK; + reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT; + reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; + ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, + reg_data); + if (ret_val) + goto out; + + data = er32(LEDCTL); + ret_val = e1000_write_phy_reg_hv_locked(hw, + HV_LED_CONFIG, + (u16)data); + if (ret_val) + goto out; + } + /* Configure LCD from extended configuration region. */ + + /* cnf_base_addr is in DWORD */ + word_addr = (u16)(cnf_base_addr << 1); + + for (i = 0; i < cnf_size; i++) { + ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, + ®_data); + if (ret_val) + goto out; + + ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), + 1, ®_addr); + if (ret_val) + goto out; + + /* Save off the PHY page for future writes. */ + if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { + phy_page = reg_data; + continue; + } + + reg_addr &= PHY_REG_MASK; + reg_addr |= phy_page; + + ret_val = phy->ops.write_phy_reg_locked(hw, + (u32)reg_addr, + reg_data); + if (ret_val) + goto out; + } + } + +out: + hw->phy.ops.release_phy(hw); + return ret_val; +} + +/** + * e1000_k1_gig_workaround_hv - K1 Si workaround + * @hw: pointer to the HW structure + * @link: link up bool flag + * + * If K1 is enabled for 1Gbps, the MAC might stall when transitioning + * from a lower speed. This workaround disables K1 whenever link is at 1Gig + * If link is down, the function will restore the default K1 setting located + * in the NVM. + **/ +static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) +{ + s32 ret_val = 0; + u16 status_reg = 0; + bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; + + if (hw->mac.type != e1000_pchlan) + goto out; + + /* Wrap the whole flow with the sw flag */ + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + goto out; + + /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ + if (link) { + if (hw->phy.type == e1000_phy_82578) { + ret_val = hw->phy.ops.read_phy_reg_locked(hw, + BM_CS_STATUS, + &status_reg); + if (ret_val) + goto release; + + status_reg &= BM_CS_STATUS_LINK_UP | + BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_MASK; + + if (status_reg == (BM_CS_STATUS_LINK_UP | + BM_CS_STATUS_RESOLVED | + BM_CS_STATUS_SPEED_1000)) + k1_enable = false; + } + + if (hw->phy.type == e1000_phy_82577) { + ret_val = hw->phy.ops.read_phy_reg_locked(hw, + HV_M_STATUS, + &status_reg); + if (ret_val) + goto release; + + status_reg &= HV_M_STATUS_LINK_UP | + HV_M_STATUS_AUTONEG_COMPLETE | + HV_M_STATUS_SPEED_MASK; + + if (status_reg == (HV_M_STATUS_LINK_UP | + HV_M_STATUS_AUTONEG_COMPLETE | + HV_M_STATUS_SPEED_1000)) + k1_enable = false; + } + + /* Link stall fix for link up */ + ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), + 0x0100); + if (ret_val) + goto release; + + } else { + /* Link stall fix for link down */ + ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), + 0x4100); + if (ret_val) + goto release; + } + + ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); + +release: + hw->phy.ops.release_phy(hw); +out: + return ret_val; +} + +/** + * e1000_configure_k1_ich8lan - Configure K1 power state + * @hw: pointer to the HW structure + * @enable: K1 state to configure + * + * Configure the K1 power state based on the provided parameter. + * Assumes semaphore already acquired. + * + * Success returns 0, Failure returns -E1000_ERR_PHY (-2) + **/ +static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) +{ + s32 ret_val = 0; + u32 ctrl_reg = 0; + u32 ctrl_ext = 0; + u32 reg = 0; + u16 kmrn_reg = 0; + + ret_val = e1000e_read_kmrn_reg_locked(hw, + E1000_KMRNCTRLSTA_K1_CONFIG, + &kmrn_reg); + if (ret_val) + goto out; + + if (k1_enable) + kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; + else + kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; + + ret_val = e1000e_write_kmrn_reg_locked(hw, + E1000_KMRNCTRLSTA_K1_CONFIG, + kmrn_reg); + if (ret_val) + goto out; + + udelay(20); + ctrl_ext = er32(CTRL_EXT); + ctrl_reg = er32(CTRL); + + reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); + reg |= E1000_CTRL_FRCSPD; + ew32(CTRL, reg); + + ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); + udelay(20); + ew32(CTRL, ctrl_reg); + ew32(CTRL_EXT, ctrl_ext); + udelay(20); + +out: + return ret_val; +} + +/** + * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration + * @hw: pointer to the HW structure + * @d0_state: boolean if entering d0 or d3 device state + * + * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are + * collectively called OEM bits. The OEM Write Enable bit and SW Config bit + * in NVM determines whether HW should configure LPLU and Gbe Disable. + **/ +static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) +{ + s32 ret_val = 0; + u32 mac_reg; + u16 oem_reg; + + if (hw->mac.type != e1000_pchlan) + return ret_val; + + ret_val = hw->phy.ops.acquire_phy(hw); + if (ret_val) + return ret_val; + + mac_reg = er32(EXTCNF_CTRL); + if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) + goto out; + + mac_reg = er32(FEXTNVM); + if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) + goto out; + + mac_reg = er32(PHY_CTRL); + + ret_val = hw->phy.ops.read_phy_reg_locked(hw, HV_OEM_BITS, &oem_reg); + if (ret_val) + goto out; + + oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); + + if (d0_state) { + if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) + oem_reg |= HV_OEM_BITS_GBE_DIS; + + if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) + oem_reg |= HV_OEM_BITS_LPLU; + } else { + if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE) + oem_reg |= HV_OEM_BITS_GBE_DIS; + + if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU) + oem_reg |= HV_OEM_BITS_LPLU; + } + /* Restart auto-neg to activate the bits */ + oem_reg |= HV_OEM_BITS_RESTART_AN; + ret_val = hw->phy.ops.write_phy_reg_locked(hw, HV_OEM_BITS, oem_reg); + +out: + hw->phy.ops.release_phy(hw); + + return ret_val; +} + + +/** * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be * done after every PHY reset. **/ @@ -833,10 +1168,20 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) ret_val = hw->phy.ops.acquire_phy(hw); if (ret_val) return ret_val; + hw->phy.addr = 1; - e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); + ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); + if (ret_val) + goto out; hw->phy.ops.release_phy(hw); + /* + * Configure the K1 Si workaround during phy reset assuming there is + * link so that it disables K1 if link is in 1Gbps. + */ + ret_val = e1000_k1_gig_workaround_hv(hw, true); + +out: return ret_val; } @@ -882,11 +1227,8 @@ static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) **/ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) { - struct e1000_phy_info *phy = &hw->phy; - u32 i; - u32 data, cnf_size, cnf_base_addr, sw_cfg_mask; - s32 ret_val; - u16 reg, word_addr, reg_data, reg_addr, phy_page = 0; + s32 ret_val = 0; + u16 reg; ret_val = e1000e_phy_hw_reset_generic(hw); if (ret_val) @@ -905,81 +1247,16 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) if (hw->mac.type == e1000_pchlan) e1e_rphy(hw, BM_WUC, ®); - /* - * Initialize the PHY from the NVM on ICH platforms. This - * is needed due to an issue where the NVM configuration is - * not properly autoloaded after power transitions. - * Therefore, after each PHY reset, we will load the - * configuration data out of the NVM manually. - */ - if (hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) { - struct e1000_adapter *adapter = hw->adapter; - - /* Check if SW needs configure the PHY */ - if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || - (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M)) - sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; - else - sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; - - data = er32(FEXTNVM); - if (!(data & sw_cfg_mask)) - return 0; - - /* Wait for basic configuration completes before proceeding */ - e1000_lan_init_done_ich8lan(hw); - - /* - * Make sure HW does not configure LCD from PHY - * extended configuration before SW configuration - */ - data = er32(EXTCNF_CTRL); - if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) - return 0; - - cnf_size = er32(EXTCNF_SIZE); - cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; - cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; - if (!cnf_size) - return 0; - - cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; - cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; - - /* Configure LCD from extended configuration region. */ - - /* cnf_base_addr is in DWORD */ - word_addr = (u16)(cnf_base_addr << 1); - - for (i = 0; i < cnf_size; i++) { - ret_val = e1000_read_nvm(hw, - (word_addr + i * 2), - 1, - ®_data); - if (ret_val) - return ret_val; - - ret_val = e1000_read_nvm(hw, - (word_addr + i * 2 + 1), - 1, - ®_addr); - if (ret_val) - return ret_val; - - /* Save off the PHY page for future writes. */ - if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { - phy_page = reg_data; - continue; - } - - reg_addr |= phy_page; + /* Configure the LCD with the extended configuration region in NVM */ + ret_val = e1000_sw_lcd_config_ich8lan(hw); + if (ret_val) + goto out; - ret_val = e1e_wphy(hw, (u32)reg_addr, reg_data); - if (ret_val) - return ret_val; - } - } + /* Configure the LCD with the OEM bits in NVM */ + if (hw->mac.type == e1000_pchlan) + ret_val = e1000_oem_bits_config_ich8lan(hw, true); +out: return 0; } @@ -2306,6 +2583,7 @@ static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) **/ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) { + struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; u16 reg; u32 ctrl, icr, kab; s32 ret_val; @@ -2341,6 +2619,18 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) ew32(PBS, E1000_PBS_16K); } + if (hw->mac.type == e1000_pchlan) { + /* Save the NVM K1 bit setting*/ + ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, ®); + if (ret_val) + return ret_val; + + if (reg & E1000_NVM_K1_ENABLE) + dev_spec->nvm_k1_enabled = true; + else + dev_spec->nvm_k1_enabled = false; + } + ctrl = er32(CTRL); if (!e1000_check_reset_block(hw)) { @@ -2386,6 +2676,15 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) if (hw->mac.type == e1000_pchlan) e1e_rphy(hw, BM_WUC, ®); + ret_val = e1000_sw_lcd_config_ich8lan(hw); + if (ret_val) + goto out; + + if (hw->mac.type == e1000_pchlan) { + ret_val = e1000_oem_bits_config_ich8lan(hw, true); + if (ret_val) + goto out; + } /* * For PCH, this write will make sure that any noise * will be detected as a CRC error and be dropped rather than show up @@ -2404,6 +2703,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) if (hw->mac.type == e1000_pchlan) ret_val = e1000_hv_phy_workarounds_ich8lan(hw); +out: return ret_val; } @@ -2708,14 +3008,6 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, if (ret_val) return ret_val; - if ((hw->mac.type == e1000_pchlan) && (*speed == SPEED_1000)) { - ret_val = e1000e_write_kmrn_reg(hw, - E1000_KMRNCTRLSTA_K1_CONFIG, - E1000_KMRNCTRLSTA_K1_DISABLE); - if (ret_val) - return ret_val; - } - if ((hw->mac.type == e1000_ich8lan) && (hw->phy.type == e1000_phy_igp_3) && (*speed == SPEED_1000)) { diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index f9d33ab..03175b3 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -95,13 +95,6 @@ static const u16 e1000_igp_2_cable_length_table[] = /* BM PHY Copper Specific Control 1 */ #define BM_CS_CTRL1 16 -/* BM PHY Copper Specific Status */ -#define BM_CS_STATUS 17 -#define BM_CS_STATUS_LINK_UP 0x0400 -#define BM_CS_STATUS_RESOLVED 0x0800 -#define BM_CS_STATUS_SPEED_MASK 0xC000 -#define BM_CS_STATUS_SPEED_1000 0x8000 - #define HV_MUX_DATA_CTRL PHY_REG(776, 16) #define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400 #define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004 @@ -563,7 +556,7 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) } /** - * e1000_read_kmrn_reg_locked - Read kumeran register + * e1000e_read_kmrn_reg_locked - Read kumeran register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data @@ -572,7 +565,7 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) * information retrieved is stored in data. * Assumes semaphore already acquired. **/ -s32 e1000_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data) +s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000_read_kmrn_reg(hw, offset, data, true); } @@ -631,7 +624,7 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) } /** - * e1000_write_kmrn_reg_locked - Write kumeran register + * e1000e_write_kmrn_reg_locked - Write kumeran register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset @@ -639,7 +632,7 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) * Write the data to PHY register at the offset using the kumeran interface. * Assumes semaphore already acquired. **/ -s32 e1000_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data) +s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000_write_kmrn_reg(hw, offset, data, true); } diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index bd3447f..94c9ad2 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1760,7 +1760,7 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_CIS_MANF_CARD(0xc00f, 0x0002, "cis/LA-PCM.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("KTI", "PE520 PLUS", 0xad180345, 0x9d58d392, "PE520.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("NDC", "Ethernet", 0x01c43ae1, 0x00b2e941, "cis/NE2K.cis"), - PCMCIA_DEVICE_CIS_PROD_ID12("PMX ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "PE-200.cis"), + PCMCIA_DEVICE_CIS_PROD_ID12("PMX ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "cis/PE-200.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("TAMARACK", "Ethernet", 0xcf434fba, 0x00b2e941, "cis/tamarack.cis"), PCMCIA_DEVICE_PROD_ID12("Ethernet", "CF Size PC Card", 0x00b2e941, 0x43ac239b), PCMCIA_DEVICE_PROD_ID123("Fast Ethernet", "CF Size PC Card", "1.0", diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index f98ef52..fa49356 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -3379,7 +3379,7 @@ static u16 rtl_rw_cpluscmd(void __iomem *ioaddr) static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz) { /* Low hurts. Let's disable the filtering. */ - RTL_W16(RxMaxSize, rx_buf_sz); + RTL_W16(RxMaxSize, rx_buf_sz + 1); } static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version) diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 2ab5c39..6a10d7b 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -4538,6 +4538,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev, goto err_out_free_netdev; } + netif_carrier_off(dev); + netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT); err = request_irq(pdev->irq, sky2_intr, diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index 36cb242..75fa32e 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -1144,9 +1144,16 @@ static void dir_open_adapter (struct net_device *dev) } else { char **prphase = printphase; char **prerror = printerror; + int pnr = err / 16 - 1; + int enr = err % 16 - 1; DPRINTK("TR Adapter misc open failure, error code = "); - printk("0x%x, Phase: %s, Error: %s\n", - err, prphase[err/16 -1], prerror[err%16 -1]); + if (pnr < 0 || pnr >= ARRAY_SIZE(printphase) || + enr < 0 || + enr >= ARRAY_SIZE(printerror)) + printk("0x%x, invalid Phase/Error.", err); + else + printk("0x%x, Phase: %s, Error: %s\n", err, + prphase[pnr], prerror[enr]); printk(" retrying after %ds delay...\n", TR_RETRY_INTERVAL/HZ); } diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 0caa800..f56dec6 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -362,12 +362,12 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) retval = -EINVAL; goto halt_fail_and_release; } - dev->hard_mtu = tmp; - net->mtu = dev->hard_mtu - net->hard_header_len; dev_warn(&intf->dev, "dev can't take %u byte packets (max %u), " "adjusting MTU to %u\n", - dev->hard_mtu, tmp, net->mtu); + dev->hard_mtu, tmp, tmp - net->hard_header_len); + dev->hard_mtu = tmp; + net->mtu = dev->hard_mtu - net->hard_header_len; } /* REVISIT: peripheral "alignment" request is ignored ... */ diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 16a2717..1895d63 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -679,7 +679,7 @@ static u8 ath_rc_get_highest_rix(struct ath_softc *sc, return rate; if (rate_table->info[rate].valid_single_stream && - !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)); + !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG)) return rate; /* This should not happen */ diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 8701034..de4e804 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -1157,8 +1157,9 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot) } static int dma_tx_fragment(struct b43_dmaring *ring, - struct sk_buff *skb) + struct sk_buff **in_skb) { + struct sk_buff *skb = *in_skb; const struct b43_dma_ops *ops = ring->ops; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); u8 *header; @@ -1224,8 +1225,14 @@ static int dma_tx_fragment(struct b43_dmaring *ring, } memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len); + memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb)); + bounce_skb->dev = skb->dev; + skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb)); + info = IEEE80211_SKB_CB(bounce_skb); + dev_kfree_skb_any(skb); skb = bounce_skb; + *in_skb = bounce_skb; meta->skb = skb; meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { @@ -1355,7 +1362,11 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb) * static, so we don't need to store it per frame. */ ring->queue_prio = skb_get_queue_mapping(skb); - err = dma_tx_fragment(ring, skb); + /* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing + * into the skb data or cb now. */ + hdr = NULL; + info = NULL; + err = dma_tx_fragment(ring, &skb); if (unlikely(err == -ENOKEY)) { /* Drop this packet, as we don't have the encryption key * anymore and must not transmit it unencrypted. */ diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 240cff1..a741d37 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -6325,8 +6325,10 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, fail: if (dev) { - if (registered) + if (registered) { + unregister_ieee80211(priv->ieee); unregister_netdev(dev); + } ipw2100_hw_stop_adapter(priv); @@ -6383,6 +6385,7 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev) /* Unregister the device first - this results in close() * being called if the device is open. If we free storage * first, then close() will crash. */ + unregister_ieee80211(priv->ieee); unregister_netdev(dev); /* ipw2100_down will ensure that there is no more pending work diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 827824d..9b0f2c0 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11822,6 +11822,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev, if (err) { IPW_ERROR("Failed to register promiscuous network " "device (error %d).\n", err); + unregister_ieee80211(priv->ieee); unregister_netdev(priv->net_dev); goto out_remove_sysfs; } @@ -11872,6 +11873,7 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev) mutex_unlock(&priv->mutex); + unregister_ieee80211(priv->ieee); unregister_netdev(priv->net_dev); if (priv->rxq) { diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h index bf45391..f42ade6 100644 --- a/drivers/net/wireless/ipw2x00/libipw.h +++ b/drivers/net/wireless/ipw2x00/libipw.h @@ -1020,6 +1020,7 @@ static inline int libipw_is_cck_rate(u8 rate) /* ieee80211.c */ extern void free_ieee80211(struct net_device *dev, int monitor); extern struct net_device *alloc_ieee80211(int sizeof_priv, int monitor); +extern void unregister_ieee80211(struct libipw_device *ieee); extern int libipw_change_mtu(struct net_device *dev, int new_mtu); extern void libipw_networks_age(struct libipw_device *ieee, diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c index a0e9f6a..be5b809 100644 --- a/drivers/net/wireless/ipw2x00/libipw_module.c +++ b/drivers/net/wireless/ipw2x00/libipw_module.c @@ -235,16 +235,19 @@ void free_ieee80211(struct net_device *dev, int monitor) libipw_networks_free(ieee); /* free cfg80211 resources */ - if (!monitor) { - wiphy_unregister(ieee->wdev.wiphy); - kfree(ieee->a_band.channels); - kfree(ieee->bg_band.channels); + if (!monitor) wiphy_free(ieee->wdev.wiphy); - } free_netdev(dev); } +void unregister_ieee80211(struct libipw_device *ieee) +{ + wiphy_unregister(ieee->wdev.wiphy); + kfree(ieee->a_band.channels); + kfree(ieee->bg_band.channels); +} + #ifdef CONFIG_LIBIPW_DEBUG static int debug = 0; @@ -330,3 +333,4 @@ module_init(libipw_init); EXPORT_SYMBOL(alloc_ieee80211); EXPORT_SYMBOL(free_ieee80211); +EXPORT_SYMBOL(unregister_ieee80211); diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 92bc8c5..3fac4ef 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -508,7 +508,7 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp, /* Fill the receive configuration URB and initialise the Rx call back */ usb_fill_bulk_urb(cardp->rx_urb, cardp->udev, usb_rcvbulkpipe(cardp->udev, cardp->ep_in), - (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET), + skb->data + IPFIELD_ALIGN_OFFSET, MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index b8f5ee3..14e7bb21 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2389,10 +2389,13 @@ static struct usb_device_id rt73usb_device_table[] = { { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) }, /* MSI */ + { USB_DEVICE(0x0db0, 0x4600), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) }, + /* Ovislink */ + { USB_DEVICE(0x1b75, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) }, /* Ralink */ { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) }, @@ -2420,6 +2423,8 @@ static struct usb_device_id rt73usb_device_table[] = { /* Planex */ { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) }, + /* WideTell */ + { USB_DEVICE(0x7167, 0x3840), USB_DEVICE_DATA(&rt73usb_ops) }, /* Zcom */ { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) }, /* ZyXEL */ diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 934d4be..698d75c 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -98,10 +98,13 @@ EXPORT_SYMBOL(pcmcia_socket_list_rwsem); * These functions check for the appropriate struct pcmcia_soket arrays, * and pass them to the low-level functions pcmcia_{suspend,resume}_socket */ +static int socket_early_resume(struct pcmcia_socket *skt); +static int socket_late_resume(struct pcmcia_socket *skt); static int socket_resume(struct pcmcia_socket *skt); static int socket_suspend(struct pcmcia_socket *skt); -int pcmcia_socket_dev_suspend(struct device *dev) +static void pcmcia_socket_dev_run(struct device *dev, + int (*cb)(struct pcmcia_socket *)) { struct pcmcia_socket *socket; @@ -110,29 +113,34 @@ int pcmcia_socket_dev_suspend(struct device *dev) if (socket->dev.parent != dev) continue; mutex_lock(&socket->skt_mutex); - socket_suspend(socket); + cb(socket); mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); +} +int pcmcia_socket_dev_suspend(struct device *dev) +{ + pcmcia_socket_dev_run(dev, socket_suspend); return 0; } EXPORT_SYMBOL(pcmcia_socket_dev_suspend); -int pcmcia_socket_dev_resume(struct device *dev) +void pcmcia_socket_dev_early_resume(struct device *dev) { - struct pcmcia_socket *socket; + pcmcia_socket_dev_run(dev, socket_early_resume); +} +EXPORT_SYMBOL(pcmcia_socket_dev_early_resume); - down_read(&pcmcia_socket_list_rwsem); - list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { - if (socket->dev.parent != dev) - continue; - mutex_lock(&socket->skt_mutex); - socket_resume(socket); - mutex_unlock(&socket->skt_mutex); - } - up_read(&pcmcia_socket_list_rwsem); +void pcmcia_socket_dev_late_resume(struct device *dev) +{ + pcmcia_socket_dev_run(dev, socket_late_resume); +} +EXPORT_SYMBOL(pcmcia_socket_dev_late_resume); +int pcmcia_socket_dev_resume(struct device *dev) +{ + pcmcia_socket_dev_run(dev, socket_resume); return 0; } EXPORT_SYMBOL(pcmcia_socket_dev_resume); @@ -546,29 +554,24 @@ static int socket_suspend(struct pcmcia_socket *skt) return 0; } -/* - * Resume a socket. If a card is present, verify its CIS against - * our cached copy. If they are different, the card has been - * replaced, and we need to tell the drivers. - */ -static int socket_resume(struct pcmcia_socket *skt) +static int socket_early_resume(struct pcmcia_socket *skt) { - int ret; - - if (!(skt->state & SOCKET_SUSPEND)) - return -EBUSY; - skt->socket = dead_socket; skt->ops->init(skt); skt->ops->set_socket(skt, &skt->socket); + if (skt->state & SOCKET_PRESENT) + skt->resume_status = socket_setup(skt, resume_delay); + return 0; +} +static int socket_late_resume(struct pcmcia_socket *skt) +{ if (!(skt->state & SOCKET_PRESENT)) { skt->state &= ~SOCKET_SUSPEND; return socket_insert(skt); } - ret = socket_setup(skt, resume_delay); - if (ret == 0) { + if (skt->resume_status == 0) { /* * FIXME: need a better check here for cardbus cards. */ @@ -596,6 +599,20 @@ static int socket_resume(struct pcmcia_socket *skt) return 0; } +/* + * Resume a socket. If a card is present, verify its CIS against + * our cached copy. If they are different, the card has been + * replaced, and we need to tell the drivers. + */ +static int socket_resume(struct pcmcia_socket *skt) +{ + if (!(skt->state & SOCKET_SUSPEND)) + return -EBUSY; + + socket_early_resume(skt); + return socket_late_resume(skt); +} + static void socket_remove(struct pcmcia_socket *skt) { dev_printk(KERN_NOTICE, &skt->dev, diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index abe0e44..8be4cc4 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -1275,16 +1275,26 @@ static int yenta_dev_resume_noirq(struct device *dev) if (socket->type && socket->type->restore_state) socket->type->restore_state(socket); - return pcmcia_socket_dev_resume(dev); + pcmcia_socket_dev_early_resume(dev); + return 0; +} + +static int yenta_dev_resume(struct device *dev) +{ + pcmcia_socket_dev_late_resume(dev); + return 0; } static struct dev_pm_ops yenta_pm_ops = { .suspend_noirq = yenta_dev_suspend_noirq, .resume_noirq = yenta_dev_resume_noirq, + .resume = yenta_dev_resume, .freeze_noirq = yenta_dev_suspend_noirq, .thaw_noirq = yenta_dev_resume_noirq, + .thaw = yenta_dev_resume, .poweroff_noirq = yenta_dev_suspend_noirq, .restore_noirq = yenta_dev_resume_noirq, + .restore = yenta_dev_resume, }; #define YENTA_PM_OPS (¥ta_pm_ops) diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c index a4f68e5..b44462a 100644 --- a/drivers/s390/char/sclp_async.c +++ b/drivers/s390/char/sclp_async.c @@ -26,7 +26,6 @@ static struct sclp_async_sccb *sccb; static int sclp_async_send_wait(char *message); static struct ctl_table_header *callhome_sysctl_header; static DEFINE_SPINLOCK(sclp_async_lock); -static char nodename[64]; #define SCLP_NORMAL_WRITE 0x00 struct async_evbuf { @@ -52,9 +51,10 @@ static struct sclp_register sclp_async_register = { static int call_home_on_panic(struct notifier_block *self, unsigned long event, void *data) { - strncat(data, nodename, strlen(nodename)); - sclp_async_send_wait(data); - return NOTIFY_DONE; + strncat(data, init_utsname()->nodename, + sizeof(init_utsname()->nodename)); + sclp_async_send_wait(data); + return NOTIFY_DONE; } static struct notifier_block call_home_panic_nb = { @@ -68,15 +68,14 @@ static int proc_handler_callhome(struct ctl_table *ctl, int write, { unsigned long val; int len, rc; - char buf[2]; + char buf[3]; - if (!*count | (*ppos && !write)) { + if (!*count || (*ppos && !write)) { *count = 0; return 0; } if (!write) { - len = sprintf(buf, "%d\n", callhome_enabled); - buf[len] = '\0'; + len = snprintf(buf, sizeof(buf), "%d\n", callhome_enabled); rc = copy_to_user(buffer, buf, sizeof(buf)); if (rc != 0) return -EFAULT; @@ -171,39 +170,29 @@ static int __init sclp_async_init(void) rc = sclp_register(&sclp_async_register); if (rc) return rc; - callhome_sysctl_header = register_sysctl_table(kern_dir_table); - if (!callhome_sysctl_header) { - rc = -ENOMEM; - goto out_sclp; - } - if (!(sclp_async_register.sclp_receive_mask & EVTYP_ASYNC_MASK)) { - rc = -EOPNOTSUPP; + rc = -EOPNOTSUPP; + if (!(sclp_async_register.sclp_receive_mask & EVTYP_ASYNC_MASK)) goto out_sclp; - } rc = -ENOMEM; + callhome_sysctl_header = register_sysctl_table(kern_dir_table); + if (!callhome_sysctl_header) + goto out_sclp; request = kzalloc(sizeof(struct sclp_req), GFP_KERNEL); - if (!request) - goto out_sys; sccb = (struct sclp_async_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA); - if (!sccb) + if (!request || !sccb) goto out_mem; - rc = atomic_notifier_chain_register(&panic_notifier_list, - &call_home_panic_nb); - if (rc) - goto out_mem; - - strncpy(nodename, init_utsname()->nodename, 64); - return 0; - + rc = atomic_notifier_chain_register(&panic_notifier_list, + &call_home_panic_nb); + if (!rc) + goto out; out_mem: kfree(request); free_page((unsigned long) sccb); -out_sys: unregister_sysctl_table(callhome_sysctl_header); out_sclp: sclp_unregister(&sclp_async_register); +out: return rc; - } module_init(sclp_async_init); diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c index 102000d..3012355 100644 --- a/drivers/s390/net/smsgiucv.c +++ b/drivers/s390/net/smsgiucv.c @@ -158,7 +158,12 @@ static int smsg_pm_restore_thaw(struct device *dev) smsg_path->flags = 0; rc = iucv_path_connect(smsg_path, &smsg_handler, "*MSG ", NULL, NULL, NULL); - printk(KERN_ERR "iucv_path_connect returned with rc %i\n", rc); +#ifdef CONFIG_PM_DEBUG + if (rc) + printk(KERN_ERR + "iucv_path_connect returned with rc %i\n", rc); +#endif + cpcmd("SET SMSG IUCV", NULL, 0, NULL); } return 0; } diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 7d1aac3..4967643 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -1919,7 +1919,7 @@ static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg) size = size>>16; size *= 4; if (size > MAX_MESSAGE_SIZE) { - rcode = EINVAL; + rcode = -EINVAL; goto cleanup; } /* Copy in the user's I2O command */ diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index ff4617e..7c7914f 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -879,10 +879,10 @@ static struct pcmcia_device_id serial_ids[] = { PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0175, 0x0000, "cis/DP83903.cis"), PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x0035, "cis/3CXEM556.cis"), PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x003d, "cis/3CXEM556.cis"), - PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC850", 0xd85f6206, 0x42a2c018, "SW_8xx_SER.cis"), /* Sierra Wireless AC850 3G Network Adapter R1 */ - PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0x0710, "SW_7xx_SER.cis"), /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */ - PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */ - PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */ + PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC850", 0xd85f6206, 0x42a2c018, "cis/SW_8xx_SER.cis"), /* Sierra Wireless AC850 3G Network Adapter R1 */ + PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC710/AC750", 0xd85f6206, 0x761b11e0, "cis/SW_7xx_SER.cis"), /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */ + PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "cis/SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */ + PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "cis/SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */ PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "cis/MT5634ZLX.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-2", 0x96913a85, 0x27ab5437, "cis/COMpad2.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "cis/COMpad4.cis"), diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 7df3ba4..d21b346 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -93,8 +93,6 @@ source "drivers/staging/dst/Kconfig" source "drivers/staging/pohmelfs/Kconfig" -source "drivers/staging/stlc45xx/Kconfig" - source "drivers/staging/b3dfg/Kconfig" source "drivers/staging/phison/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7475711..8cbf1ae 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -29,7 +29,6 @@ obj-$(CONFIG_ANDROID) += android/ obj-$(CONFIG_ANDROID) += dream/ obj-$(CONFIG_DST) += dst/ obj-$(CONFIG_POHMELFS) += pohmelfs/ -obj-$(CONFIG_STLC45XX) += stlc45xx/ obj-$(CONFIG_B3DFG) += b3dfg/ obj-$(CONFIG_IDE_PHISON) += phison/ obj-$(CONFIG_PLAN9AUTH) += p9auth/ diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index 2471949..eb67563 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -2,6 +2,7 @@ menu "Android" config ANDROID bool "Android Drivers" + depends on BROKEN default N ---help--- Enable support for various drivers needed on the Android platform diff --git a/drivers/staging/hv/ChannelMgmt.h b/drivers/staging/hv/ChannelMgmt.h index a839d8f..fa973d8 100644 --- a/drivers/staging/hv/ChannelMgmt.h +++ b/drivers/staging/hv/ChannelMgmt.h @@ -26,6 +26,7 @@ #define _CHANNEL_MGMT_H_ #include <linux/list.h> +#include <linux/timer.h> #include "RingBuffer.h" #include "VmbusChannelInterface.h" #include "VmbusPacketFormat.h" @@ -54,7 +55,7 @@ enum vmbus_channel_message_type { ChannelMessageViewRangeRemove = 18, #endif ChannelMessageCount -} __attribute__((packed)); +}; struct vmbus_channel_message_header { enum vmbus_channel_message_type MessageType; diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c index 1610b84..d384c0d 100644 --- a/drivers/staging/hv/NetVsc.c +++ b/drivers/staging/hv/NetVsc.c @@ -1052,7 +1052,7 @@ static void NetVscOnReceive(struct hv_device *Device, */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); while (!list_empty(&netDevice->ReceivePacketList)) { - list_move_tail(&netDevice->ReceivePacketList, &listHead); + list_move_tail(netDevice->ReceivePacketList.next, &listHead); if (++count == vmxferpagePacket->RangeCount + 1) break; } @@ -1071,7 +1071,7 @@ static void NetVscOnReceive(struct hv_device *Device, /* Return it to the freelist */ spin_lock_irqsave(&netDevice->receive_packet_list_lock, flags); for (i = count; i != 0; i--) { - list_move_tail(&listHead, + list_move_tail(listHead.next, &netDevice->ReceivePacketList); } spin_unlock_irqrestore(&netDevice->receive_packet_list_lock, @@ -1085,8 +1085,7 @@ static void NetVscOnReceive(struct hv_device *Device, } /* Remove the 1st packet to represent the xfer page packet itself */ - xferpagePacket = list_entry(&listHead, struct xferpage_packet, - ListEntry); + xferpagePacket = (struct xferpage_packet*)listHead.next; list_del(&xferpagePacket->ListEntry); /* This is how much we can satisfy */ @@ -1102,8 +1101,7 @@ static void NetVscOnReceive(struct hv_device *Device, /* Each range represents 1 RNDIS pkt that contains 1 ethernet frame */ for (i = 0; i < (count - 1); i++) { - netvscPacket = list_entry(&listHead, struct hv_netvsc_packet, - ListEntry); + netvscPacket = (struct hv_netvsc_packet*)listHead.next; list_del(&netvscPacket->ListEntry); /* Initialize the netvsc packet */ diff --git a/drivers/staging/hv/TODO b/drivers/staging/hv/TODO index 4d390b2..dbfbde9 100644 --- a/drivers/staging/hv/TODO +++ b/drivers/staging/hv/TODO @@ -1,11 +1,17 @@ TODO: - fix remaining checkpatch warnings and errors + - use of /** when it is not a kerneldoc header - remove RingBuffer.c to us in-kernel ringbuffer functions instead. - audit the vmbus to verify it is working properly with the driver model + - convert vmbus driver interface function pointer tables + to constant, a.k.a vmbus_ops - see if the vmbus can be merged with the other virtual busses in the kernel - audit the network driver + - use existing net_device_stats struct in network device + - checking for carrier inside open is wrong, network device API + confusion?? - audit the block driver - audit the scsi driver diff --git a/drivers/staging/hv/osd.h b/drivers/staging/hv/osd.h index 9504604..ce064e8 100644 --- a/drivers/staging/hv/osd.h +++ b/drivers/staging/hv/osd.h @@ -25,6 +25,7 @@ #ifndef _OSD_H_ #define _OSD_H_ +#include <linux/workqueue.h> /* Defines */ #define ALIGN_UP(value, align) (((value) & (align-1)) ? \ diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 582318f..894eecf 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -507,12 +507,12 @@ static struct hv_device *vmbus_child_device_create(struct hv_guid *type, child_device_obj = &child_device_ctx->device_obj; child_device_obj->context = context; - memcpy(&child_device_obj->deviceType, &type, sizeof(struct hv_guid)); - memcpy(&child_device_obj->deviceInstance, &instance, + memcpy(&child_device_obj->deviceType, type, sizeof(struct hv_guid)); + memcpy(&child_device_obj->deviceInstance, instance, sizeof(struct hv_guid)); - memcpy(&child_device_ctx->class_id, &type, sizeof(struct hv_guid)); - memcpy(&child_device_ctx->device_id, &instance, sizeof(struct hv_guid)); + memcpy(&child_device_ctx->class_id, type, sizeof(struct hv_guid)); + memcpy(&child_device_ctx->device_id, instance, sizeof(struct hv_guid)); DPRINT_EXIT(VMBUS_DRV); @@ -537,18 +537,7 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj, DPRINT_DBG(VMBUS_DRV, "child device (%p) registering", child_device_ctx); - /* Make sure we are not registered already */ - if (strlen(dev_name(&child_device_ctx->device)) != 0) { - DPRINT_ERR(VMBUS_DRV, - "child device (%p) already registered - busid %s", - child_device_ctx, - dev_name(&child_device_ctx->device)); - - ret = -1; - goto Cleanup; - } - - /* Set the device bus id. Otherwise, device_register()will fail. */ + /* Set the device name. Otherwise, device_register() will fail. */ dev_set_name(&child_device_ctx->device, "vmbus_0_%d", atomic_inc_return(&device_num)); @@ -573,7 +562,6 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj, DPRINT_INFO(VMBUS_DRV, "child device (%p) registered", &child_device_ctx->device); -Cleanup: DPRINT_EXIT(VMBUS_DRV); return ret; @@ -623,8 +611,6 @@ static void vmbus_child_device_destroy(struct hv_device *device_obj) static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) { struct device_context *device_ctx = device_to_device_context(device); - int i = 0; - int len = 0; int ret; DPRINT_ENTER(VMBUS_DRV); @@ -644,8 +630,6 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) device_ctx->class_id.data[14], device_ctx->class_id.data[15]); - env->envp_idx = i; - env->buflen = len; ret = add_uevent_var(env, "VMBUS_DEVICE_CLASS_GUID={" "%02x%02x%02x%02x-%02x%02x-%02x%02x-" "%02x%02x%02x%02x%02x%02x%02x%02x}", @@ -691,8 +675,6 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env) if (ret) return ret; - env->envp[env->envp_idx] = NULL; - DPRINT_EXIT(VMBUS_DRV); return 0; diff --git a/drivers/staging/otus/Kconfig b/drivers/staging/otus/Kconfig index d549d08..f6cc262 100644 --- a/drivers/staging/otus/Kconfig +++ b/drivers/staging/otus/Kconfig @@ -1,6 +1,6 @@ config OTUS tristate "Atheros OTUS 802.11n USB wireless support" - depends on USB && WLAN_80211 && MAC80211 + depends on USB && WLAN && MAC80211 default N ---help--- Enable support for Atheros 802.11n USB hardware: diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c index dd7d3fd..4ce399b 100644 --- a/drivers/staging/panel/panel.c +++ b/drivers/staging/panel/panel.c @@ -2071,11 +2071,15 @@ static void panel_detach(struct parport *port) return; } - if (keypad_enabled && keypad_initialized) + if (keypad_enabled && keypad_initialized) { misc_deregister(&keypad_dev); + keypad_initialized = 0; + } - if (lcd_enabled && lcd_initialized) + if (lcd_enabled && lcd_initialized) { misc_deregister(&lcd_dev); + lcd_initialized = 0; + } parport_release(pprt); parport_unregister_device(pprt); @@ -2211,13 +2215,16 @@ static void __exit panel_cleanup_module(void) del_timer(&scan_timer); if (pprt != NULL) { - if (keypad_enabled) + if (keypad_enabled) { misc_deregister(&keypad_dev); + keypad_initialized = 0; + } if (lcd_enabled) { panel_lcd_print("\x0cLCD driver " PANEL_VERSION "\nunloaded.\x1b[Lc\x1b[Lb\x1b[L-"); misc_deregister(&lcd_dev); + lcd_initialized = 0; } /* TODO: free all input signals */ diff --git a/drivers/staging/rt2860/Kconfig b/drivers/staging/rt2860/Kconfig index 7f44e5e..efe38e2 100644 --- a/drivers/staging/rt2860/Kconfig +++ b/drivers/staging/rt2860/Kconfig @@ -1,5 +1,5 @@ config RT2860 tristate "Ralink 2860 wireless support" - depends on PCI && X86 && WLAN_80211 + depends on PCI && X86 && WLAN ---help--- This is an experimental driver for the Ralink 2860 wireless chip. diff --git a/drivers/staging/rt2870/Kconfig b/drivers/staging/rt2870/Kconfig index 76841f6..aea5c82 100644 --- a/drivers/staging/rt2870/Kconfig +++ b/drivers/staging/rt2870/Kconfig @@ -1,5 +1,5 @@ config RT2870 tristate "Ralink 2870/3070 wireless support" - depends on USB && X86 && WLAN_80211 + depends on USB && X86 && WLAN ---help--- This is an experimental driver for the Ralink xx70 wireless chips. diff --git a/drivers/staging/rt3090/Kconfig b/drivers/staging/rt3090/Kconfig index 255e8ea..2b3f745 100644 --- a/drivers/staging/rt3090/Kconfig +++ b/drivers/staging/rt3090/Kconfig @@ -1,5 +1,5 @@ config RT3090 tristate "Ralink 3090 wireless support" - depends on PCI && X86 && WLAN_80211 + depends on PCI && X86 && WLAN ---help--- This is an experimental driver for the Ralink 3090 wireless chip. diff --git a/drivers/staging/rtl8187se/Kconfig b/drivers/staging/rtl8187se/Kconfig index 236e427..203c79b 100644 --- a/drivers/staging/rtl8187se/Kconfig +++ b/drivers/staging/rtl8187se/Kconfig @@ -1,6 +1,6 @@ config RTL8187SE tristate "RealTek RTL8187SE Wireless LAN NIC driver" - depends on PCI + depends on PCI && WLAN depends on WIRELESS_EXT default N ---help--- diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c index 013c3e1..4c5d63f 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c @@ -53,10 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, list_del(ptr); - if (entry->ops) { + if (entry->ops) entry->ops->deinit(entry->priv); - module_put(entry->ops->owner); - } kfree(entry); } } diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c index 6fbe489..18392fc 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c @@ -189,10 +189,8 @@ void free_ieee80211(struct net_device *dev) for (i = 0; i < WEP_KEYS; i++) { struct ieee80211_crypt_data *crypt = ieee->crypt[i]; if (crypt) { - if (crypt->ops) { + if (crypt->ops) crypt->ops->deinit(crypt->priv); - module_put(crypt->ops->owner); - } kfree(crypt); ieee->crypt[i] = NULL; } diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c index 59b2ab4..334e4c7 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c @@ -2839,16 +2839,12 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto skip_host_crypt; ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } if (ops == NULL) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; @@ -2869,7 +2865,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, } memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c index 8d8bdd0..a08b97a 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c @@ -331,12 +331,10 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, return -ENOMEM; memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); + if (!new_crypt->ops) new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(key); if (!new_crypt->ops || !new_crypt->priv) { @@ -483,7 +481,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int i, idx, ret = 0; int group_key = 0; - const char *alg, *module; + const char *alg; struct ieee80211_crypto_ops *ops; struct ieee80211_crypt_data **crypt; @@ -539,15 +537,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -558,10 +553,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, // printk("8-09-08-9=====>%s, alg name:%s\n",__func__, alg); ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); + if (ops == NULL) ops = ieee80211_get_crypto_ops(alg); - } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); @@ -581,7 +574,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, goto done; } new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(idx); if (new_crypt->priv == NULL) { kfree(new_crypt); diff --git a/drivers/staging/rtl8192e/Kconfig b/drivers/staging/rtl8192e/Kconfig index 3100aa5..37e4fde 100644 --- a/drivers/staging/rtl8192e/Kconfig +++ b/drivers/staging/rtl8192e/Kconfig @@ -1,6 +1,6 @@ config RTL8192E tristate "RealTek RTL8192E Wireless LAN NIC driver" - depends on PCI + depends on PCI && WLAN depends on WIRELESS_EXT default N ---help--- diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c index 1a8ea8a..b1c5493 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c @@ -53,14 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, list_del(ptr); - if (entry->ops) { + if (entry->ops) entry->ops->deinit(entry->priv); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - module_put(entry->ops->owner); -#else - __MOD_DEC_USE_COUNT(entry->ops->owner); -#endif - } kfree(entry); } } diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c index 16256a3..12c2a18 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_module.c @@ -242,14 +242,8 @@ void free_ieee80211(struct net_device *dev) for (i = 0; i < WEP_KEYS; i++) { struct ieee80211_crypt_data *crypt = ieee->crypt[i]; if (crypt) { - if (crypt->ops) { + if (crypt->ops) crypt->ops->deinit(crypt->priv); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - module_put(crypt->ops->owner); -#else - __MOD_DEC_USE_COUNT(crypt->ops->owner); -#endif - } kfree(crypt); ieee->crypt[i] = NULL; } diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c index 2fc04df..eae7c45 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c @@ -3284,17 +3284,14 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto skip_host_crypt; ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); + /* set WEP40 first, it will be modified according to WEP104 or + * WEP40 at other place */ + else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } if (ops == NULL) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; @@ -3315,11 +3312,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, } memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) -#else - if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner)) -#endif + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c index 2234831..4e34a1f4 100644 --- a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c @@ -482,15 +482,9 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, return -ENOMEM; memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); + if (!new_crypt->ops) new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) -#else - if (new_crypt->ops && try_inc_mod_count(new_crypt->ops->owner)) -#endif + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(key); if (!new_crypt->ops || !new_crypt->priv) { @@ -644,7 +638,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int i, idx; int group_key = 0; - const char *alg, *module; + const char *alg; struct ieee80211_crypto_ops *ops; struct ieee80211_crypt_data **crypt; @@ -711,15 +705,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -730,10 +721,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, printk("alg name:%s\n",alg); ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); + if (ops == NULL) ops = ieee80211_get_crypto_ops(alg); - } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); @@ -758,7 +747,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, goto done; } new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(idx); if (new_crypt->priv == NULL) { kfree(new_crypt); diff --git a/drivers/staging/rtl8192su/Kconfig b/drivers/staging/rtl8192su/Kconfig index 770f412..b8c95f9 100644 --- a/drivers/staging/rtl8192su/Kconfig +++ b/drivers/staging/rtl8192su/Kconfig @@ -1,6 +1,6 @@ config RTL8192SU tristate "RealTek RTL8192SU Wireless LAN NIC driver" - depends on PCI + depends on PCI && WLAN depends on WIRELESS_EXT default N ---help--- diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c index d76a54d..521e7b9 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c @@ -53,10 +53,8 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, list_del(ptr); - if (entry->ops) { + if (entry->ops) entry->ops->deinit(entry->priv); - module_put(entry->ops->owner); - } kfree(entry); } } diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c index 68dc8fa..c3383bb 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c @@ -216,10 +216,8 @@ void free_ieee80211(struct net_device *dev) for (i = 0; i < WEP_KEYS; i++) { struct ieee80211_crypt_data *crypt = ieee->crypt[i]; if (crypt) { - if (crypt->ops) { + if (crypt->ops) crypt->ops->deinit(crypt->priv); - module_put(crypt->ops->owner); - } kfree(crypt); ieee->crypt[i] = NULL; } diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c index c64ae03..fd8e112 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c @@ -3026,17 +3026,14 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto skip_host_crypt; ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); + /* set WEP40 first, it will be modified according to WEP104 or + * WEP40 at other place */ + else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); + else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } if (ops == NULL) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; @@ -3058,7 +3055,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx); diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c index 1077590..6146c64 100644 --- a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c @@ -358,11 +358,9 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, return -ENOMEM; memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); + if (!new_crypt->ops) new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(key); if (!new_crypt->ops || !new_crypt->priv) { @@ -507,7 +505,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; int i, idx; int group_key = 0; - const char *alg, *module; + const char *alg; struct ieee80211_crypto_ops *ops; struct ieee80211_crypt_data **crypt; @@ -570,15 +568,12 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, switch (ext->alg) { case IW_ENCODE_ALG_WEP: alg = "WEP"; - module = "ieee80211_crypt_wep"; break; case IW_ENCODE_ALG_TKIP: alg = "TKIP"; - module = "ieee80211_crypt_tkip"; break; case IW_ENCODE_ALG_CCMP: alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; break; default: IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", @@ -589,10 +584,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, printk("alg name:%s\n",alg); ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module("%s", module); + if (ops == NULL) ops = ieee80211_get_crypto_ops(alg); - } if (ops == NULL) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); @@ -612,7 +605,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, goto done; } new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + if (new_crypt->ops) new_crypt->priv = new_crypt->ops->init(idx); if (new_crypt->priv == NULL) { kfree(new_crypt); diff --git a/drivers/staging/stlc45xx/Kconfig b/drivers/staging/stlc45xx/Kconfig deleted file mode 100644 index 947fb75..0000000 --- a/drivers/staging/stlc45xx/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -config STLC45XX - tristate "stlc4550/4560 support" - depends on MAC80211 && WLAN_80211 && SPI_MASTER && GENERIC_HARDIRQS - ---help--- - This is a driver for stlc4550 and stlc4560 chipsets. - - To compile this driver as a module, choose M here: the module will be - called stlc45xx. If unsure, say N. diff --git a/drivers/staging/stlc45xx/Makefile b/drivers/staging/stlc45xx/Makefile deleted file mode 100644 index 7ee3290..0000000 --- a/drivers/staging/stlc45xx/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_STLC45XX) += stlc45xx.o diff --git a/drivers/staging/stlc45xx/stlc45xx.c b/drivers/staging/stlc45xx/stlc45xx.c deleted file mode 100644 index be99eb3..0000000 --- a/drivers/staging/stlc45xx/stlc45xx.c +++ /dev/null @@ -1,2594 +0,0 @@ -/* - * This file is part of stlc45xx - * - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * 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. - * - * This program is distributed in the hope that 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., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include "stlc45xx.h" - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/firmware.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/spi/spi.h> -#include <linux/etherdevice.h> -#include <linux/gpio.h> -#include <linux/moduleparam.h> - -#include "stlc45xx_lmac.h" - -/* - * gpios should be handled in board files and provided via platform data, - * but because it's currently impossible for stlc45xx to have a header file - * in include/linux, let's use module paramaters for now - */ -static int stlc45xx_gpio_power = 97; -module_param(stlc45xx_gpio_power, int, 0444); -MODULE_PARM_DESC(stlc45xx_gpio_power, "stlc45xx gpio number for power line"); - -static int stlc45xx_gpio_irq = 87; -module_param(stlc45xx_gpio_irq, int, 0444); -MODULE_PARM_DESC(stlc45xx_gpio_irq, "stlc45xx gpio number for irq line"); - -static const u8 default_cal_channels[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x09, - 0x00, 0x00, 0xc9, 0xff, 0xd8, 0xff, 0x00, 0x00, 0x00, 0x01, 0x10, - 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0xe0, 0x00, 0xe0, 0x00, - 0xe0, 0x00, 0xe0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, - 0x00, 0x54, 0x01, 0xab, 0xf6, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, - 0xc0, 0x42, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, - 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, - 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, - 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, - 0x00, 0xbc, 0xfb, 0x00, 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, - 0x2b, 0xc0, 0x2b, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, - 0x54, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, - 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, - 0xaa, 0x00, 0xaa, 0xa7, 0x00, 0xa9, 0x3d, 0xc0, 0x17, 0xc0, 0x17, - 0xc0, 0x17, 0xc0, 0x17, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x7a, 0x00, - 0x06, 0x2c, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0x00, - 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x96, 0x00, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x06, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x71, 0x09, 0x00, 0x00, 0xc9, 0xff, 0xd8, - 0xff, 0x00, 0x00, 0x00, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, - 0x10, 0x01, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xd0, - 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0x54, 0x01, 0xab, 0xf6, - 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0x00, 0xcb, 0x00, - 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, - 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, 0xc0, 0x33, 0xc0, 0x33, 0xc0, - 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, - 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0xfb, 0x00, 0xca, - 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, - 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, 0x54, 0xc0, 0x21, 0xc0, 0x21, - 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, - 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0xa7, 0x00, - 0xa9, 0x3d, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, - 0x00, 0xa0, 0x00, 0xa0, 0x7a, 0x00, 0x06, 0x2c, 0xc0, 0x0d, 0xc0, - 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x80, 0x80, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, - 0x09, 0x00, 0x00, 0xc9, 0xff, 0xd8, 0xff, 0x00, 0x00, 0x00, 0x01, - 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0xf0, 0x00, 0xf0, - 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, - 0xd0, 0x00, 0x54, 0x01, 0xab, 0xf6, 0xc0, 0x42, 0xc0, 0x42, 0xc0, - 0x42, 0xc0, 0x42, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, - 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, - 0xa9, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, - 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, - 0xbc, 0x00, 0xbc, 0xfb, 0x00, 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, - 0xc0, 0x2b, 0xc0, 0x2b, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, - 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, - 0x5d, 0x54, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, - 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, - 0x00, 0xaa, 0x00, 0xaa, 0xa7, 0x00, 0xa9, 0x3d, 0xc0, 0x17, 0xc0, - 0x17, 0xc0, 0x17, 0xc0, 0x17, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, - 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x7a, - 0x00, 0x06, 0x2c, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, - 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, - 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x06, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x7b, 0x09, 0x00, 0x00, 0xc9, 0xff, - 0xd8, 0xff, 0x00, 0x00, 0x00, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, - 0x01, 0x10, 0x01, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, - 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0x54, 0x01, 0xab, - 0xf6, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0x00, 0xcb, - 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, - 0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, 0xc0, 0x33, 0xc0, 0x33, - 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, - 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0xfb, 0x00, - 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0x00, - 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, 0x54, 0xc0, 0x21, 0xc0, - 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, - 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0xa7, - 0x00, 0xa9, 0x3d, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, - 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x7a, 0x00, 0x06, 0x2c, 0xc0, 0x0d, - 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0x00, 0x96, 0x00, 0x96, 0x00, - 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x80, - 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x80, 0x09, 0x00, 0x00, 0xc9, 0xff, 0xd8, 0xff, 0x00, 0x00, 0x00, - 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0x10, 0x01, 0xf0, 0x00, - 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, - 0x00, 0xd0, 0x00, 0x54, 0x01, 0xab, 0xf6, 0xc0, 0x42, 0xc0, 0x42, - 0xc0, 0x42, 0xc0, 0x42, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, - 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x22, 0x01, - 0x37, 0xa9, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0xc0, 0x33, 0x00, - 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, - 0x00, 0xbc, 0x00, 0xbc, 0xfb, 0x00, 0xca, 0x79, 0xc0, 0x2b, 0xc0, - 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, - 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0xd0, - 0x00, 0x5d, 0x54, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, - 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, - 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0xa7, 0x00, 0xa9, 0x3d, 0xc0, 0x17, - 0xc0, 0x17, 0xc0, 0x17, 0xc0, 0x17, 0x00, 0xa0, 0x00, 0xa0, 0x00, - 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0xa0, - 0x7a, 0x00, 0x06, 0x2c, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, 0x0d, 0xc0, - 0x0d, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, - 0x00, 0x96, 0x00, 0x96, 0x00, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x06, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x09, 0x00, 0x00, 0xc9, - 0xff, 0xd8, 0xff, 0x00, 0x00, 0x00, 0x01, 0x10, 0x01, 0x10, 0x01, - 0x10, 0x01, 0x10, 0x01, 0xf0, 0x00, 0xf0, 0x00, 0xf0, 0x00, 0xf0, - 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0xd0, 0x00, 0x54, 0x01, - 0xab, 0xf6, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0xc0, 0x42, 0x00, - 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, 0x00, 0xcb, - 0x00, 0xcb, 0x00, 0xcb, 0x22, 0x01, 0x37, 0xa9, 0xc0, 0x33, 0xc0, - 0x33, 0xc0, 0x33, 0xc0, 0x33, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, - 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0x00, 0xbc, 0xfb, - 0x00, 0xca, 0x79, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, 0xc0, 0x2b, - 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0x00, - 0xb4, 0x00, 0xb4, 0x00, 0xb4, 0xd0, 0x00, 0x5d, 0x54, 0xc0, 0x21, - 0xc0, 0x21, 0xc0, 0x21, 0xc0, 0x21, 0x00, 0xaa, 0x00, 0xaa, 0x00, - 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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00 }; - -static const u8 default_cal_rssi[] = { - 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, - 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, - 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, - 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, - 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, - 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, - 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, - 0x00, 0x00, 0x00, 0x0a, 0x01, 0x72, 0xfe, 0x1a, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00 }; - -static void stlc45xx_tx_edcf(struct stlc45xx *stlc); -static void stlc45xx_tx_setup(struct stlc45xx *stlc); -static void stlc45xx_tx_scan(struct stlc45xx *stlc); -static void stlc45xx_tx_psm(struct stlc45xx *stlc, bool enable); -static int stlc45xx_tx_nullfunc(struct stlc45xx *stlc, bool powersave); -static int stlc45xx_tx_pspoll(struct stlc45xx *stlc, bool powersave); - -static ssize_t stlc45xx_sysfs_show_cal_rssi(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - ssize_t len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - len = PAGE_SIZE; - - mutex_lock(&stlc->mutex); - - if (stlc->cal_rssi) - hex_dump_to_buffer(stlc->cal_rssi, RSSI_CAL_ARRAY_LEN, 16, - 2, buf, len, 0); - mutex_unlock(&stlc->mutex); - - len = strlen(buf); - - return len; -} - -static ssize_t stlc45xx_sysfs_store_cal_rssi(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - if (count != RSSI_CAL_ARRAY_LEN) { - stlc45xx_error("invalid cal_rssi length: %zu", count); - count = 0; - goto out_unlock; - } - - kfree(stlc->cal_rssi); - - stlc->cal_rssi = kmemdup(buf, RSSI_CAL_ARRAY_LEN, GFP_KERNEL); - - if (!stlc->cal_rssi) { - stlc45xx_error("failed to allocate memory for cal_rssi"); - count = 0; - goto out_unlock; - } - - out_unlock: - mutex_unlock(&stlc->mutex); - - return count; -} - -static ssize_t stlc45xx_sysfs_show_cal_channels(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - ssize_t len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - len = PAGE_SIZE; - - mutex_lock(&stlc->mutex); - - if (stlc->cal_channels) - hex_dump_to_buffer(stlc->cal_channels, CHANNEL_CAL_ARRAY_LEN, - 16, 2, buf, len, 0); - - mutex_unlock(&stlc->mutex); - - len = strlen(buf); - - return len; -} - -static ssize_t stlc45xx_sysfs_store_cal_channels(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - if (count != CHANNEL_CAL_ARRAY_LEN) { - stlc45xx_error("invalid cal_channels size: %zu ", count); - count = 0; - goto out_unlock; - } - - kfree(stlc->cal_channels); - - stlc->cal_channels = kmemdup(buf, count, GFP_KERNEL); - - if (!stlc->cal_channels) { - stlc45xx_error("failed to allocate memory for cal_channels"); - count = 0; - goto out_unlock; - } - -out_unlock: - mutex_unlock(&stlc->mutex); - - return count; -} - -static ssize_t stlc45xx_sysfs_show_tx_buf(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct stlc45xx *stlc = dev_get_drvdata(dev); - struct txbuffer *entry; - ssize_t len = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - mutex_lock(&stlc->mutex); - - list_for_each_entry(entry, &stlc->tx_sent, tx_list) { - len += sprintf(buf + len, "0x%x: 0x%x-0x%x\n", - entry->handle, entry->start, - entry->end); - } - - mutex_unlock(&stlc->mutex); - - return len; -} - -static DEVICE_ATTR(cal_rssi, S_IRUGO | S_IWUSR, - stlc45xx_sysfs_show_cal_rssi, - stlc45xx_sysfs_store_cal_rssi); -static DEVICE_ATTR(cal_channels, S_IRUGO | S_IWUSR, - stlc45xx_sysfs_show_cal_channels, - stlc45xx_sysfs_store_cal_channels); -static DEVICE_ATTR(tx_buf, S_IRUGO, stlc45xx_sysfs_show_tx_buf, NULL); - -static void stlc45xx_spi_read(struct stlc45xx *stlc, unsigned long addr, - void *buf, size_t len) -{ - struct spi_transfer t[2]; - struct spi_message m; - - /* We first push the address */ - addr = (addr << 8) | ADDR_READ_BIT_15; - - spi_message_init(&m); - memset(t, 0, sizeof(t)); - - t[0].tx_buf = &addr; - t[0].len = 2; - spi_message_add_tail(&t[0], &m); - - t[1].rx_buf = buf; - t[1].len = len; - spi_message_add_tail(&t[1], &m); - - spi_sync(stlc->spi, &m); -} - - -static void stlc45xx_spi_write(struct stlc45xx *stlc, unsigned long addr, - void *buf, size_t len) -{ - struct spi_transfer t[3]; - struct spi_message m; - u16 last_word; - - /* We first push the address */ - addr = addr << 8; - - spi_message_init(&m); - memset(t, 0, sizeof(t)); - - t[0].tx_buf = &addr; - t[0].len = 2; - spi_message_add_tail(&t[0], &m); - - t[1].tx_buf = buf; - t[1].len = len; - spi_message_add_tail(&t[1], &m); - - if (len % 2) { - last_word = ((u8 *)buf)[len - 1]; - - t[2].tx_buf = &last_word; - t[2].len = 2; - spi_message_add_tail(&t[2], &m); - } - - spi_sync(stlc->spi, &m); -} - -static u16 stlc45xx_read16(struct stlc45xx *stlc, unsigned long addr) -{ - u16 val; - - stlc45xx_spi_read(stlc, addr, &val, sizeof(val)); - - return val; -} - -static u32 stlc45xx_read32(struct stlc45xx *stlc, unsigned long addr) -{ - u32 val; - - stlc45xx_spi_read(stlc, addr, &val, sizeof(val)); - - return val; -} - -static void stlc45xx_write16(struct stlc45xx *stlc, unsigned long addr, u16 val) -{ - stlc45xx_spi_write(stlc, addr, &val, sizeof(val)); -} - -static void stlc45xx_write32(struct stlc45xx *stlc, unsigned long addr, u32 val) -{ - stlc45xx_spi_write(stlc, addr, &val, sizeof(val)); -} - -struct stlc45xx_spi_reg { - u16 address; - u16 length; - char *name; -}; - -/* caller must hold tx_lock */ -static void stlc45xx_txbuffer_dump(struct stlc45xx *stlc) -{ - struct txbuffer *txbuffer; - char *buf, *pos; - int buf_len, l, count; - - if (!(DEBUG_LEVEL & DEBUG_TXBUFFER)) - return; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - buf_len = 500; - buf = kmalloc(buf_len, GFP_ATOMIC); - if (!buf) - return; - - pos = buf; - count = 0; - - list_for_each_entry(txbuffer, &stlc->txbuffer, buffer_list) { - l = snprintf(pos, buf_len, "0x%x-0x%x,", - txbuffer->start, txbuffer->end); - /* drop the null byte */ - pos += l; - buf_len -= l; - count++; - } - - if (count == 0) - *pos = '\0'; - else - *--pos = '\0'; - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: in buffer %d regions: %s", - count, buf); - - kfree(buf); -} - -/* caller must hold tx_lock */ -static int stlc45xx_txbuffer_find(struct stlc45xx *stlc, size_t len) -{ - struct txbuffer *txbuffer; - int pos; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - pos = FIRMWARE_TXBUFFER_START; - - if (list_empty(&stlc->txbuffer)) - goto out; - - /* - * the entries in txbuffer must be in the same order as they are in - * the real buffer - */ - list_for_each_entry(txbuffer, &stlc->txbuffer, buffer_list) { - if (pos + len < txbuffer->start) - break; - pos = ALIGN(txbuffer->end + 1, 4); - } - - if (pos + len > FIRMWARE_TXBUFFER_END) - /* not enough room */ - pos = -1; - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: find %zu B: 0x%x", len, pos); - -out: - return pos; -} - -static int stlc45xx_txbuffer_add(struct stlc45xx *stlc, - struct txbuffer *txbuffer) -{ - struct txbuffer *r, *prev = NULL; - - if (list_empty(&stlc->txbuffer)) { - list_add(&txbuffer->buffer_list, &stlc->txbuffer); - return 0; - } - - r = list_first_entry(&stlc->txbuffer, struct txbuffer, buffer_list); - - if (txbuffer->start < r->start) { - /* add to the beginning of the list */ - list_add(&txbuffer->buffer_list, &stlc->txbuffer); - return 0; - } - - prev = NULL; - list_for_each_entry(r, &stlc->txbuffer, buffer_list) { - /* skip first entry, we checked for that above */ - if (!prev) { - prev = r; - continue; - } - - /* double-check overlaps */ - WARN_ON_ONCE(txbuffer->start >= r->start && - txbuffer->start <= r->end); - WARN_ON_ONCE(txbuffer->end >= r->start && - txbuffer->end <= r->end); - - if (prev->end < txbuffer->start && - txbuffer->end < r->start) { - /* insert at this spot */ - list_add_tail(&txbuffer->buffer_list, &r->buffer_list); - return 0; - } - - prev = r; - } - - /* not found */ - list_add_tail(&txbuffer->buffer_list, &stlc->txbuffer); - - return 0; - -} - -/* caller must hold tx_lock */ -static struct txbuffer *stlc45xx_txbuffer_alloc(struct stlc45xx *stlc, - size_t frame_len) -{ - struct txbuffer *entry = NULL; - size_t len; - int pos; - - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - len = FIRMWARE_TXBUFFER_HEADER + frame_len + FIRMWARE_TXBUFFER_TRAILER; - pos = stlc45xx_txbuffer_find(stlc, len); - - if (pos < 0) - return NULL; - - WARN_ON_ONCE(pos + len > FIRMWARE_TXBUFFER_END); - WARN_ON_ONCE(pos < FIRMWARE_TXBUFFER_START); - - entry = kmalloc(sizeof(*entry), GFP_ATOMIC); - entry->start = pos; - entry->frame_start = pos + FIRMWARE_TXBUFFER_HEADER; - entry->end = entry->start + len - 1; - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: allocated 0x%x-0x%x", - entry->start, entry->end); - - stlc45xx_txbuffer_add(stlc, entry); - - stlc45xx_txbuffer_dump(stlc); - - return entry; -} - -/* caller must hold tx_lock */ -static void stlc45xx_txbuffer_free(struct stlc45xx *stlc, - struct txbuffer *txbuffer) -{ - stlc45xx_debug(DEBUG_FUNC, "%s()", __func__); - - stlc45xx_debug(DEBUG_TXBUFFER, "txbuffer: freed 0x%x-0x%x", - txbuffer->start, txbuffer->end); - - list_del(&txbuffer->buffer_list); - kfree(txbuffer); -} - - -static int stlc45xx_wait_bit(struct stlc45xx *stlc, u16 reg, u32 mask, - u32 expected) -{ - int i; - char buffer[4]; - - for (i = 0; i < 2000; i++) { - stlc45xx_spi_read(stlc, reg, buffer, sizeof(buffer)); - if (((*(u32 *)buffer) & mask) == expected) - return 1; - msleep(1); - } - - return 0; -} - -static int stlc45xx_request_firmware(struct stlc45xx *stlc) -{ - const struct firmware *fw; - int ret; - - /* FIXME: should driver use it's own struct device? */ - ret = request_firmware(&fw, "3826.arm", &stlc->spi->dev); - - if (ret < 0) { - stlc45xx_error("request_firmware() failed: %d", ret); - return ret; - } - - if (fw->size % 4) { - stlc45xx_error("firmware size is not multiple of 32bit: %zu", - fw->size); - return -EILSEQ; /* Illegal byte sequence */; - } - - if (fw->size < 1000) { - stlc45xx_error("firmware is too small: %zu", fw->size); - return -EILSEQ; - } - - stlc->fw = kmemdup(fw->data, fw->size, GFP_KERNEL); - if (!stlc->fw) { - stlc45xx_error("could not allocate memory for firmware"); - return -ENOMEM; - } - - stlc->fw_len = fw->size; - - release_firmware(fw); - - return 0; -} - -static int stlc45xx_upload_firmware(struct stlc45xx *stlc) -{ - struct s_dma_regs dma_regs; - unsigned long fw_len, fw_addr; - long _fw_len; - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - if (!stlc->fw) { - ret = stlc45xx_request_firmware(stlc); - if (ret < 0) - return ret; - } - - /* stop the device */ - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_HOST_RESET - | SPI_CTRL_STAT_START_HALTED); - - msleep(TARGET_BOOT_SLEEP); - - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE - | SPI_CTRL_STAT_START_HALTED); - - msleep(TARGET_BOOT_SLEEP); - - fw_addr = FIRMWARE_ADDRESS; - fw_len = stlc->fw_len; - - while (fw_len > 0) { - _fw_len = (fw_len > SPI_MAX_PACKET_SIZE) - ? SPI_MAX_PACKET_SIZE : fw_len; - dma_regs.cmd = SPI_DMA_WRITE_CTRL_ENABLE; - dma_regs.len = cpu_to_le16(_fw_len); - dma_regs.addr = cpu_to_le32(fw_addr); - - fw_len -= _fw_len; - fw_addr += _fw_len; - - stlc45xx_write16(stlc, SPI_ADRS_DMA_WRITE_CTRL, dma_regs.cmd); - - if (stlc45xx_wait_bit(stlc, SPI_ADRS_DMA_WRITE_CTRL, - HOST_ALLOWED, HOST_ALLOWED) == 0) { - stlc45xx_error("fw_upload not allowed to DMA write"); - return -EAGAIN; - } - - stlc45xx_write16(stlc, SPI_ADRS_DMA_WRITE_LEN, dma_regs.len); - stlc45xx_write32(stlc, SPI_ADRS_DMA_WRITE_BASE, dma_regs.addr); - - stlc45xx_spi_write(stlc, SPI_ADRS_DMA_DATA, stlc->fw, _fw_len); - - /* FIXME: I think this doesn't work if firmware is large, - * this loop goes to second round. fw->data is not - * increased at all! */ - } - - BUG_ON(fw_len != 0); - - /* enable host interrupts */ - stlc45xx_write32(stlc, SPI_ADRS_HOST_INT_EN, SPI_HOST_INTS_DEFAULT); - - /* boot the device */ - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_HOST_RESET - | SPI_CTRL_STAT_RAM_BOOT); - - msleep(TARGET_BOOT_SLEEP); - - stlc45xx_write16(stlc, SPI_ADRS_DEV_CTRL_STAT, - SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_RAM_BOOT); - msleep(TARGET_BOOT_SLEEP); - - return 0; -} - -/* caller must hold tx_lock */ -static void stlc45xx_check_txsent(struct stlc45xx *stlc) -{ - struct txbuffer *entry, *n; - - list_for_each_entry_safe(entry, n, &stlc->tx_sent, tx_list) { - if (time_after(jiffies, entry->lifetime)) { - if (net_ratelimit()) - stlc45xx_warning("frame 0x%x lifetime exceeded", - entry->start); - list_del(&entry->tx_list); - skb_pull(entry->skb, entry->header_len); - ieee80211_tx_status(stlc->hw, entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - } - } -} - -static void stlc45xx_power_off(struct stlc45xx *stlc) -{ - disable_irq(gpio_to_irq(stlc45xx_gpio_irq)); - gpio_set_value(stlc45xx_gpio_power, 0); -} - -static void stlc45xx_power_on(struct stlc45xx *stlc) -{ - gpio_set_value(stlc45xx_gpio_power, 1); - enable_irq(gpio_to_irq(stlc45xx_gpio_irq)); - - /* - * need to wait a while before device can be accessed, the length - * is just a guess - */ - msleep(10); -} - -/* caller must hold tx_lock */ -static void stlc45xx_flush_queues(struct stlc45xx *stlc) -{ - struct txbuffer *entry; - - while (!list_empty(&stlc->tx_sent)) { - entry = list_first_entry(&stlc->tx_sent, - struct txbuffer, tx_list); - list_del(&entry->tx_list); - dev_kfree_skb(entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - } - - WARN_ON(!list_empty(&stlc->tx_sent)); - - while (!list_empty(&stlc->tx_pending)) { - entry = list_first_entry(&stlc->tx_pending, - struct txbuffer, tx_list); - list_del(&entry->tx_list); - dev_kfree_skb(entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - } - - WARN_ON(!list_empty(&stlc->tx_pending)); - WARN_ON(!list_empty(&stlc->txbuffer)); -} - -static void stlc45xx_work_reset(struct work_struct *work) -{ - struct stlc45xx *stlc = container_of(work, struct stlc45xx, - work_reset); - - mutex_lock(&stlc->mutex); - - if (stlc->fw_state != FW_STATE_RESET) - goto out; - - stlc45xx_power_off(stlc); - - mutex_unlock(&stlc->mutex); - - /* wait that all work_structs have finished, we can't hold - * stlc->mutex to avoid deadlock */ - cancel_work_sync(&stlc->work); - - /* FIXME: find out good value to wait for chip power down */ - msleep(100); - - mutex_lock(&stlc->mutex); - - /* FIXME: we should gracefully handle if the state has changed - * after re-acquiring mutex */ - WARN_ON(stlc->fw_state != FW_STATE_RESET); - - spin_lock_bh(&stlc->tx_lock); - stlc45xx_flush_queues(stlc); - spin_unlock_bh(&stlc->tx_lock); - - stlc->fw_state = FW_STATE_RESETTING; - - stlc45xx_power_on(stlc); - stlc45xx_upload_firmware(stlc); - -out: - mutex_unlock(&stlc->mutex); -} - -/* caller must hold mutex */ -static void stlc45xx_reset(struct stlc45xx *stlc) -{ - stlc45xx_warning("resetting firmware"); - stlc->fw_state = FW_STATE_RESET; - ieee80211_stop_queues(stlc->hw); - queue_work(stlc->hw->workqueue, &stlc->work_reset); -} - -static void stlc45xx_work_tx_timeout(struct work_struct *work) -{ - struct stlc45xx *stlc = container_of(work, struct stlc45xx, - work_tx_timeout.work); - - stlc45xx_warning("tx timeout"); - - mutex_lock(&stlc->mutex); - - if (stlc->fw_state != FW_STATE_READY) - goto out; - - stlc45xx_reset(stlc); - -out: - mutex_unlock(&stlc->mutex); -} - -static void stlc45xx_int_ack(struct stlc45xx *stlc, u32 val) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_write32(stlc, SPI_ADRS_HOST_INT_ACK, val); -} - -static void stlc45xx_wakeup(struct stlc45xx *stlc) -{ - unsigned long timeout; - u32 ints; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - /* wake the chip */ - stlc45xx_write32(stlc, SPI_ADRS_ARM_INTERRUPTS, SPI_TARGET_INT_WAKEUP); - - /* And wait for the READY interrupt */ - timeout = jiffies + HZ; - - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - while (!(ints & SPI_HOST_INT_READY)) { - if (time_after(jiffies, timeout)) - goto out; - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - } - - stlc45xx_int_ack(stlc, SPI_HOST_INT_READY); - -out: - return; -} - -static void stlc45xx_sleep(struct stlc45xx *stlc) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_write32(stlc, SPI_ADRS_ARM_INTERRUPTS, SPI_TARGET_INT_SLEEP); -} - -static void stlc45xx_int_ready(struct stlc45xx *stlc) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_write32(stlc, SPI_ADRS_HOST_INT_EN, - SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE); - - switch (stlc->fw_state) { - case FW_STATE_BOOTING: - stlc->fw_state = FW_STATE_READY; - complete(&stlc->fw_comp); - break; - case FW_STATE_RESETTING: - stlc->fw_state = FW_STATE_READY; - - stlc45xx_tx_scan(stlc); - stlc45xx_tx_setup(stlc); - stlc45xx_tx_edcf(stlc); - - ieee80211_wake_queues(stlc->hw); - break; - default: - break; - } -} - -static int stlc45xx_rx_txack(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct ieee80211_tx_info *info; - struct s_lm_control *control; - struct s_lmo_tx *tx; - struct txbuffer *entry; - int found = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - control = (struct s_lm_control *) skb->data; - tx = (struct s_lmo_tx *) (control + 1); - - if (list_empty(&stlc->tx_sent)) { - if (net_ratelimit()) - stlc45xx_warning("no frames waiting for " - "acknowledgement"); - return -1; - } - - list_for_each_entry(entry, &stlc->tx_sent, tx_list) { - if (control->handle == entry->handle) { - found = 1; - break; - } - } - - if (!found) { - if (net_ratelimit()) - stlc45xx_warning("couldn't find frame for tx ack 0x%x", - control->handle); - return -1; - } - - stlc45xx_debug(DEBUG_TX, "TX ACK 0x%x", entry->handle); - - if (entry->status_needed) { - info = IEEE80211_SKB_CB(entry->skb); - - if (!(tx->flags & LM_TX_FAILED)) { - /* frame was acked */ - info->flags |= IEEE80211_TX_STAT_ACK; - info->status.ack_signal = tx->rcpi / 2 - 110; - } - - skb_pull(entry->skb, entry->header_len); - - ieee80211_tx_status(stlc->hw, entry->skb); - } - - list_del(&entry->tx_list); - - stlc45xx_check_txsent(stlc); - if (list_empty(&stlc->tx_sent)) - /* there are no pending frames, we can stop the tx timeout - * timer */ - cancel_delayed_work(&stlc->work_tx_timeout); - - spin_lock_bh(&stlc->tx_lock); - - stlc45xx_txbuffer_free(stlc, entry); - - if (stlc->tx_queue_stopped && - stlc45xx_txbuffer_find(stlc, MAX_FRAME_LEN) != -1) { - stlc45xx_debug(DEBUG_QUEUE, "room in tx buffer, waking queues"); - ieee80211_wake_queues(stlc->hw); - stlc->tx_queue_stopped = 0; - } - - spin_unlock_bh(&stlc->tx_lock); - - return 0; -} - -static int stlc45xx_rx_control(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct s_lm_control *control; - int ret = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - control = (struct s_lm_control *) skb->data; - - switch (control->oid) { - case LM_OID_TX: - ret = stlc45xx_rx_txack(stlc, skb); - break; - case LM_OID_SETUP: - case LM_OID_SCAN: - case LM_OID_TRAP: - case LM_OID_EDCF: - case LM_OID_KEYCACHE: - case LM_OID_PSM: - case LM_OID_STATS: - case LM_OID_LED: - default: - stlc45xx_warning("unhandled rx control oid %d\n", - control->oid); - break; - } - - dev_kfree_skb(skb); - - return ret; -} - -/* copied from mac80211 */ -static void stlc45xx_parse_elems(u8 *start, size_t len, - struct stlc45xx_ie_tim **tim, - size_t *tim_len) -{ - size_t left = len; - u8 *pos = start; - - while (left >= 2) { - u8 id, elen; - - id = *pos++; - elen = *pos++; - left -= 2; - - if (elen > left) - return; - - switch (id) { - case WLAN_EID_TIM: - *tim = (struct stlc45xx_ie_tim *) pos; - *tim_len = elen; - break; - default: - break; - } - - left -= elen; - pos += elen; - } -} - -/* - * mac80211 doesn't have support for asking frames with PS-Poll, so let's - * implement in the driver for now. We have to add support to mac80211 - * later. - */ -static int stlc45xx_check_more_data(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct s_lm_data_in *data = (struct s_lm_data_in *) skb->data; - struct ieee80211_hdr *hdr; - size_t len; - u16 fc; - - hdr = (void *) skb->data + sizeof(*data); - len = skb->len - sizeof(*data); - - /* minimum frame length is the null frame length 24 bytes */ - if (len < 24) { - stlc45xx_warning("invalid frame length when checking for " - "more data"); - return -EINVAL; - } - - fc = le16_to_cpu(hdr->frame_control); - if (!(fc & IEEE80211_FCTL_FROMDS)) - /* this is not from DS */ - return 0; - - if (compare_ether_addr(hdr->addr1, stlc->mac_addr) != 0) - /* the frame was not for us */ - return 0; - - if (!(fc & IEEE80211_FCTL_MOREDATA)) { - /* AP has no more frames buffered for us */ - stlc45xx_debug(DEBUG_PSM, "all buffered frames retrieved"); - stlc->pspolling = false; - return 0; - } - - /* MOREDATA bit is set, let's ask for a new frame from the AP */ - stlc45xx_tx_pspoll(stlc, stlc->psm); - - return 0; -} - -/* - * mac80211 cannot read TIM from beacons, so let's add a hack to the - * driver. We have to add support to mac80211 later. - */ -static int stlc45xx_rx_data_beacon(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct s_lm_data_in *data = (struct s_lm_data_in *) skb->data; - size_t len = skb->len, tim_len = 0, baselen, pvbmap_len; - struct ieee80211_mgmt *mgmt; - struct stlc45xx_ie_tim *tim = NULL; - int bmap_offset, index, aid_bit; - - mgmt = (void *) skb->data + sizeof(*data); - - baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt; - if (baselen > len) { - stlc45xx_warning("invalid baselen in beacon"); - return -EINVAL; - } - - stlc45xx_parse_elems(mgmt->u.beacon.variable, len - baselen, &tim, - &tim_len); - - if (!tim) { - stlc45xx_warning("didn't find tim from a beacon"); - return -EINVAL; - } - - bmap_offset = tim->bmap_control & 0xfe; - index = stlc->aid / 8 - bmap_offset; - - pvbmap_len = tim_len - 3; - if (index > pvbmap_len) - return -EINVAL; - - aid_bit = !!(tim->pvbmap[index] & (1 << stlc->aid % 8)); - - stlc45xx_debug(DEBUG_PSM, "fc 0x%x duration %d seq %d dtim %u " - "bmap_control 0x%x aid_bit %d", - mgmt->frame_control, mgmt->duration, mgmt->seq_ctrl >> 4, - tim->dtim_count, tim->bmap_control, aid_bit); - - if (!aid_bit) - return 0; - - stlc->pspolling = true; - stlc45xx_tx_pspoll(stlc, stlc->psm); - - return 0; -} - -static int stlc45xx_rx_data(struct stlc45xx *stlc, struct sk_buff *skb) -{ - struct ieee80211_rx_status status; - struct s_lm_data_in *data = (struct s_lm_data_in *) skb->data; - int align = 0; - u8 *p, align_len; - u16 len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - if (stlc->psm) { - if (data->flags & LM_IN_BEACON) - stlc45xx_rx_data_beacon(stlc, skb); - else if (stlc->pspolling && (data->flags & LM_IN_DATA)) - stlc45xx_check_more_data(stlc, skb); - } - - memset(&status, 0, sizeof(status)); - - status.freq = data->frequency; - status.signal = data->rcpi / 2 - 110; - - /* let's assume that maximum rcpi value is 140 (= 35 dBm) */ - status.qual = data->rcpi * 100 / 140; - - status.band = IEEE80211_BAND_2GHZ; - - /* - * FIXME: this gives warning from __ieee80211_rx() - * - * status.rate_idx = data->rate; - */ - - len = data->length; - - if (data->flags & LM_FLAG_ALIGN) - align = 1; - - skb_pull(skb, sizeof(*data)); - - if (align) { - p = skb->data; - align_len = *p; - skb_pull(skb, align_len); - } - - skb_trim(skb, len); - - stlc45xx_debug(DEBUG_RX, "rx data 0x%p %d B", skb->data, skb->len); - stlc45xx_dump(DEBUG_RX_CONTENT, skb->data, skb->len); - - memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); - ieee80211_rx(stlc->hw, skb); - - return 0; -} - - - -static int stlc45xx_rx(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct sk_buff *skb; - int ret; - u16 len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_wakeup(stlc); - - /* dummy read to flush SPI DMA controller bug */ - stlc45xx_read16(stlc, SPI_ADRS_GEN_PURP_1); - - len = stlc45xx_read16(stlc, SPI_ADRS_DMA_DATA); - - if (len == 0) { - stlc45xx_warning("rx request of zero bytes"); - return 0; - } - - skb = dev_alloc_skb(len); - if (!skb) { - stlc45xx_warning("could not alloc skb"); - return 0; - } - - stlc45xx_spi_read(stlc, SPI_ADRS_DMA_DATA, skb_put(skb, len), len); - - stlc45xx_sleep(stlc); - - stlc45xx_debug(DEBUG_RX, "rx frame 0x%p %d B", skb->data, skb->len); - stlc45xx_dump(DEBUG_RX_CONTENT, skb->data, skb->len); - - control = (struct s_lm_control *) skb->data; - - if (control->flags & LM_FLAG_CONTROL) - ret = stlc45xx_rx_control(stlc, skb); - else - ret = stlc45xx_rx_data(stlc, skb); - - return ret; -} - - -static irqreturn_t stlc45xx_interrupt(int irq, void *config) -{ - struct spi_device *spi = config; - struct stlc45xx *stlc = dev_get_drvdata(&spi->dev); - - stlc45xx_debug(DEBUG_IRQ, "IRQ"); - - queue_work(stlc->hw->workqueue, &stlc->work); - - return IRQ_HANDLED; -} - -static int stlc45xx_tx_frame(struct stlc45xx *stlc, u32 address, - void *buf, size_t len) -{ - struct s_dma_regs dma_regs; - unsigned long timeout; - int ret = 0; - u32 ints; - - stlc->tx_frames++; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - stlc45xx_debug(DEBUG_TX, "tx frame 0x%p %zu B", buf, len); - stlc45xx_dump(DEBUG_TX_CONTENT, buf, len); - - stlc45xx_wakeup(stlc); - - dma_regs.cmd = SPI_DMA_WRITE_CTRL_ENABLE; - dma_regs.len = cpu_to_le16(len); - dma_regs.addr = cpu_to_le32(address); - - stlc45xx_spi_write(stlc, SPI_ADRS_DMA_WRITE_CTRL, &dma_regs, - sizeof(dma_regs)); - - stlc45xx_spi_write(stlc, SPI_ADRS_DMA_DATA, buf, len); - - timeout = jiffies + 2 * HZ; - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - while (!(ints & SPI_HOST_INT_WR_READY)) { - if (time_after(jiffies, timeout)) { - stlc45xx_warning("WR_READY timeout"); - ret = -1; - goto out; - } - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - } - - stlc45xx_int_ack(stlc, SPI_HOST_INT_WR_READY); - - stlc45xx_sleep(stlc); - -out: - return ret; -} - -static int stlc45xx_wq_tx(struct stlc45xx *stlc) -{ - struct txbuffer *entry; - int ret = 0; - - spin_lock_bh(&stlc->tx_lock); - - while (!list_empty(&stlc->tx_pending)) { - entry = list_entry(stlc->tx_pending.next, - struct txbuffer, tx_list); - - list_del_init(&entry->tx_list); - - spin_unlock_bh(&stlc->tx_lock); - - ret = stlc45xx_tx_frame(stlc, entry->frame_start, - entry->skb->data, entry->skb->len); - - spin_lock_bh(&stlc->tx_lock); - - if (ret < 0) { - /* frame transfer to firmware buffer failed */ - /* FIXME: report this to mac80211 */ - dev_kfree_skb(entry->skb); - stlc45xx_txbuffer_free(stlc, entry); - goto out; - } - - list_add(&entry->tx_list, &stlc->tx_sent); - queue_delayed_work(stlc->hw->workqueue, - &stlc->work_tx_timeout, - msecs_to_jiffies(TX_TIMEOUT)); - } - -out: - spin_unlock_bh(&stlc->tx_lock); - return ret; -} - -static void stlc45xx_work(struct work_struct *work) -{ - struct stlc45xx *stlc = container_of(work, struct stlc45xx, work); - u32 ints; - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - if (stlc->fw_state == FW_STATE_OFF && - stlc->fw_state == FW_STATE_RESET) - goto out; - - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - stlc45xx_debug(DEBUG_BH, "begin host_ints 0x%08x", ints); - - if (ints & SPI_HOST_INT_READY) { - stlc45xx_int_ready(stlc); - stlc45xx_int_ack(stlc, SPI_HOST_INT_READY); - } - - if (stlc->fw_state != FW_STATE_READY) - goto out; - - if (ints & SPI_HOST_INT_UPDATE) { - stlc45xx_int_ack(stlc, SPI_HOST_INT_UPDATE); - ret = stlc45xx_rx(stlc); - if (ret < 0) { - stlc45xx_reset(stlc); - goto out; - } - } - if (ints & SPI_HOST_INT_SW_UPDATE) { - stlc45xx_int_ack(stlc, SPI_HOST_INT_SW_UPDATE); - ret = stlc45xx_rx(stlc); - if (ret < 0) { - stlc45xx_reset(stlc); - goto out; - } - } - - ret = stlc45xx_wq_tx(stlc); - if (ret < 0) { - stlc45xx_reset(stlc); - goto out; - } - - ints = stlc45xx_read32(stlc, SPI_ADRS_HOST_INTERRUPTS); - stlc45xx_debug(DEBUG_BH, "end host_ints 0x%08x", ints); - -out: - mutex_unlock(&stlc->mutex); -} - -static void stlc45xx_tx_edcf(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct s_lmo_edcf *edcf; - size_t len, edcf_len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - edcf_len = sizeof(*edcf); - len = sizeof(*control) + edcf_len; - control = kzalloc(len, GFP_KERNEL); - edcf = (struct s_lmo_edcf *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = edcf_len; - control->oid = LM_OID_EDCF; - - edcf->slottime = 0x14; - edcf->sifs = 10; - edcf->eofpad = 6; - edcf->maxburst = 1500; - - edcf->queues[0].aifs = 2; - edcf->queues[0].pad0 = 1; - edcf->queues[0].cwmin = 3; - edcf->queues[0].cwmax = 7; - edcf->queues[0].txop = 47; - edcf->queues[1].aifs = 2; - edcf->queues[1].pad0 = 0; - edcf->queues[1].cwmin = 7; - edcf->queues[1].cwmax = 15; - edcf->queues[1].txop = 94; - edcf->queues[2].aifs = 3; - edcf->queues[2].pad0 = 0; - edcf->queues[2].cwmin = 15; - edcf->queues[2].cwmax = 1023; - edcf->queues[2].txop = 0; - edcf->queues[3].aifs = 7; - edcf->queues[3].pad0 = 0; - edcf->queues[3].cwmin = 15; - edcf->queues[3].cwmax = 1023; - edcf->queues[3].txop = 0; - edcf->queues[4].aifs = 13; - edcf->queues[4].pad0 = 99; - edcf->queues[4].cwmin = 3437; - edcf->queues[4].cwmax = 512; - edcf->queues[4].txop = 12; - edcf->queues[5].aifs = 142; - edcf->queues[5].pad0 = 109; - edcf->queues[5].cwmin = 8756; - edcf->queues[5].cwmax = 6; - edcf->queues[5].txop = 0; - edcf->queues[6].aifs = 4; - edcf->queues[6].pad0 = 0; - edcf->queues[6].cwmin = 0; - edcf->queues[6].cwmax = 58705; - edcf->queues[6].txop = 25716; - edcf->queues[7].aifs = 0; - edcf->queues[7].pad0 = 0; - edcf->queues[7].cwmin = 0; - edcf->queues[7].cwmax = 0; - edcf->queues[7].txop = 0; - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -static void stlc45xx_tx_setup(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct s_lmo_setup *setup; - size_t len, setup_len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - setup_len = sizeof(*setup); - len = sizeof(*control) + setup_len; - control = kzalloc(len, GFP_KERNEL); - setup = (struct s_lmo_setup *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = setup_len; - control->oid = LM_OID_SETUP; - - setup->flags = LM_SETUP_INFRA; - setup->antenna = 2; - setup->rx_align = 0; - setup->rx_buffer = FIRMWARE_RXBUFFER_START; - setup->rx_mtu = FIRMWARE_MTU; - setup->frontend = 5; - setup->timeout = 0; - setup->truncate = 48896; - setup->bratemask = 0xffffffff; - setup->ref_clock = 644245094; - setup->lpf_bandwidth = 65535; - setup->osc_start_delay = 65535; - - memcpy(setup->macaddr, stlc->mac_addr, ETH_ALEN); - memcpy(setup->bssid, stlc->bssid, ETH_ALEN); - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -static void stlc45xx_tx_scan(struct stlc45xx *stlc) -{ - struct s_lm_control *control; - struct s_lmo_scan *scan; - size_t len, scan_len; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - scan_len = sizeof(*scan); - len = sizeof(*control) + scan_len; - control = kzalloc(len, GFP_KERNEL); - scan = (struct s_lmo_scan *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = scan_len; - control->oid = LM_OID_SCAN; - - scan->flags = LM_SCAN_EXIT; - scan->bratemask = 0x15f; - scan->aloft[0] = 3; - scan->aloft[1] = 3; - scan->aloft[2] = 1; - scan->aloft[3] = 0; - scan->aloft[4] = 0; - scan->aloft[5] = 0; - scan->aloft[6] = 0; - scan->aloft[7] = 0; - - memcpy(&scan->rssical, &stlc->cal_rssi[(stlc->channel - 1) * - RSSI_CAL_LEN], - RSSI_CAL_LEN); - memcpy(&scan->channel, &stlc->cal_channels[(stlc->channel - 1) * - CHANNEL_CAL_LEN], - CHANNEL_CAL_LEN); - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -/* - * caller must hold mutex - */ -static int stlc45xx_tx_pspoll(struct stlc45xx *stlc, bool powersave) -{ - struct ieee80211_hdr *pspoll; - int payload_len, padding, i; - struct s_lm_data_out *data; - struct txbuffer *entry; - struct sk_buff *skb; - char *payload; - u16 fc; - - skb = dev_alloc_skb(stlc->hw->extra_tx_headroom + 16); - if (!skb) { - stlc45xx_warning("failed to allocate pspoll frame"); - return -ENOMEM; - } - skb_reserve(skb, stlc->hw->extra_tx_headroom); - - pspoll = (struct ieee80211_hdr *) skb_put(skb, 16); - memset(pspoll, 0, 16); - fc = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL; - if (powersave) - fc |= IEEE80211_FCTL_PM; - pspoll->frame_control = cpu_to_le16(fc); - pspoll->duration_id = cpu_to_le16(stlc->aid); - - /* aid in PS-Poll has its two MSBs each set to 1 */ - pspoll->duration_id |= cpu_to_le16(1 << 15) | cpu_to_le16(1 << 14); - - memcpy(pspoll->addr1, stlc->bssid, ETH_ALEN); - memcpy(pspoll->addr2, stlc->mac_addr, ETH_ALEN); - - stlc45xx_debug(DEBUG_PSM, "sending PS-Poll frame to %pM (powersave %d, " - "fc 0x%x, aid %d)", pspoll->addr1, - powersave, fc, stlc->aid); - - spin_lock_bh(&stlc->tx_lock); - - entry = stlc45xx_txbuffer_alloc(stlc, skb->len); - - spin_unlock_bh(&stlc->tx_lock); - - if (!entry) { - /* - * The queue should be stopped before the firmware buffer - * is full, so firmware buffer should always have enough - * space. - * - * But I'm too lazy and omit it for now. - */ - if (net_ratelimit()) - stlc45xx_warning("firmware tx buffer full is full " - "for null frame"); - return -ENOSPC; - } - - payload = skb->data; - payload_len = skb->len; - padding = (int) (skb->data - sizeof(*data)) & 3; - entry->header_len = sizeof(*data) + padding; - - entry->skb = skb; - entry->status_needed = false; - entry->handle = (u32) skb; - entry->lifetime = jiffies + msecs_to_jiffies(TX_FRAME_LIFETIME); - - stlc45xx_debug(DEBUG_TX, "tx data 0x%x (0x%p payload %d B " - "padding %d header_len %d)", - entry->handle, payload, payload_len, padding, - entry->header_len); - stlc45xx_dump(DEBUG_TX_CONTENT, payload, payload_len); - - data = (struct s_lm_data_out *) skb_push(skb, entry->header_len); - - memset(data, 0, entry->header_len); - - if (padding) - data->flags = LM_FLAG_ALIGN; - - data->flags = LM_OUT_BURST; - data->length = payload_len; - data->handle = entry->handle; - data->aid = 1; - data->rts_retries = 7; - data->retries = 7; - data->aloft_ctrl = 0; - data->crypt_offset = 58; - data->keytype = 0; - data->keylen = 0; - data->queue = LM_QUEUE_DATA3; - data->backlog = 32; - data->antenna = 2; - data->cts = 3; - data->power = 127; - - for (i = 0; i < 8; i++) - data->aloft[i] = 0; - - /* - * check if there's enough space in tx buffer - * - * FIXME: ignored for now - */ - - stlc45xx_tx_frame(stlc, entry->start, skb->data, skb->len); - - list_add(&entry->tx_list, &stlc->tx_sent); - - return 0; -} - -/* - * caller must hold mutex - * - * shamelessly stolen from mac80211/ieee80211_send_nullfunc - */ -static int stlc45xx_tx_nullfunc(struct stlc45xx *stlc, bool powersave) -{ - struct ieee80211_hdr *nullfunc; - int payload_len, padding, i; - struct s_lm_data_out *data; - struct txbuffer *entry; - struct sk_buff *skb; - char *payload; - u16 fc; - - skb = dev_alloc_skb(stlc->hw->extra_tx_headroom + 24); - if (!skb) { - stlc45xx_warning("failed to allocate buffer for null frame\n"); - return -ENOMEM; - } - skb_reserve(skb, stlc->hw->extra_tx_headroom); - - nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24); - memset(nullfunc, 0, 24); - fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC | - IEEE80211_FCTL_TODS; - - if (powersave) - fc |= IEEE80211_FCTL_PM; - - nullfunc->frame_control = cpu_to_le16(fc); - memcpy(nullfunc->addr1, stlc->bssid, ETH_ALEN); - memcpy(nullfunc->addr2, stlc->mac_addr, ETH_ALEN); - memcpy(nullfunc->addr3, stlc->bssid, ETH_ALEN); - - stlc45xx_debug(DEBUG_PSM, "sending Null frame to %pM (powersave %d, " - "fc 0x%x)", nullfunc->addr1, powersave, fc); - - spin_lock_bh(&stlc->tx_lock); - - entry = stlc45xx_txbuffer_alloc(stlc, skb->len); - - spin_unlock_bh(&stlc->tx_lock); - - if (!entry) { - /* - * The queue should be stopped before the firmware buffer - * is full, so firmware buffer should always have enough - * space. - * - * But I'm too lazy and omit it for now. - */ - if (net_ratelimit()) - stlc45xx_warning("firmware tx buffer full is full " - "for null frame"); - return -ENOSPC; - } - - payload = skb->data; - payload_len = skb->len; - padding = (int) (skb->data - sizeof(*data)) & 3; - entry->header_len = sizeof(*data) + padding; - - entry->skb = skb; - entry->status_needed = false; - entry->handle = (u32) skb; - entry->lifetime = jiffies + msecs_to_jiffies(TX_FRAME_LIFETIME); - - stlc45xx_debug(DEBUG_TX, "tx data 0x%x (0x%p payload %d B " - "padding %d header_len %d)", - entry->handle, payload, payload_len, padding, - entry->header_len); - stlc45xx_dump(DEBUG_TX_CONTENT, payload, payload_len); - - data = (struct s_lm_data_out *) skb_push(skb, entry->header_len); - - memset(data, 0, entry->header_len); - - if (padding) - data->flags = LM_FLAG_ALIGN; - - data->flags = LM_OUT_BURST; - data->length = payload_len; - data->handle = entry->handle; - data->aid = 1; - data->rts_retries = 7; - data->retries = 7; - data->aloft_ctrl = 0; - data->crypt_offset = 58; - data->keytype = 0; - data->keylen = 0; - data->queue = LM_QUEUE_DATA3; - data->backlog = 32; - data->antenna = 2; - data->cts = 3; - data->power = 127; - - for (i = 0; i < 8; i++) - data->aloft[i] = 0; - - /* - * check if there's enough space in tx buffer - * - * FIXME: ignored for now - */ - - stlc45xx_tx_frame(stlc, entry->start, skb->data, skb->len); - - list_add(&entry->tx_list, &stlc->tx_sent); - - return 0; -} - -/* caller must hold mutex */ -static void stlc45xx_tx_psm(struct stlc45xx *stlc, bool enable) -{ - struct s_lm_control *control; - struct s_lmo_psm *psm; - size_t len, psm_len; - - WARN_ON(!stlc->associated); - WARN_ON(stlc->aid < 1); - WARN_ON(stlc->aid > 2007); - - psm_len = sizeof(*psm); - len = sizeof(*control) + psm_len; - control = kzalloc(len, GFP_KERNEL); - psm = (struct s_lmo_psm *) (control + 1); - - control->flags = LM_FLAG_CONTROL | LM_CTRL_OPSET; - control->length = psm_len; - control->oid = LM_OID_PSM; - - if (enable) - psm->flags |= LM_PSM; - - psm->aid = stlc->aid; - - psm->beacon_rcpi_skip_max = 60; - - psm->intervals[0].interval = 1; - psm->intervals[0].periods = 1; - psm->intervals[1].interval = 1; - psm->intervals[1].periods = 1; - psm->intervals[2].interval = 1; - psm->intervals[2].periods = 1; - psm->intervals[3].interval = 1; - psm->intervals[3].periods = 1; - - psm->nr = 0; - psm->exclude[0] = 0; - - stlc45xx_debug(DEBUG_PSM, "sending LM_OID_PSM (aid %d, interval %d)", - psm->aid, psm->intervals[0].interval); - - stlc45xx_tx_frame(stlc, FIRMWARE_CONFIG_START, control, len); - - kfree(control); -} - -static int stlc45xx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct stlc45xx *stlc = hw->priv; - struct ieee80211_tx_info *info; - struct ieee80211_rate *rate; - int payload_len, padding, i; - struct s_lm_data_out *data; - struct txbuffer *entry; - char *payload; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - spin_lock_bh(&stlc->tx_lock); - - entry = stlc45xx_txbuffer_alloc(stlc, skb->len); - if (!entry) { - /* the queue should be stopped before the firmware buffer - * is full, so firmware buffer should always have enough - * space */ - if (net_ratelimit()) - stlc45xx_warning("firmware buffer full"); - spin_unlock_bh(&stlc->tx_lock); - return NETDEV_TX_BUSY; - } - - info = IEEE80211_SKB_CB(skb); - - payload = skb->data; - payload_len = skb->len; - padding = (int) (skb->data - sizeof(*data)) & 3; - entry->header_len = sizeof(*data) + padding; - - entry->skb = skb; - entry->status_needed = true; - entry->handle = (u32) skb; - entry->lifetime = jiffies + msecs_to_jiffies(TX_FRAME_LIFETIME); - - stlc45xx_debug(DEBUG_TX, "tx data 0x%x (0x%p payload %d B " - "padding %d header_len %d)", - entry->handle, payload, payload_len, padding, - entry->header_len); - stlc45xx_dump(DEBUG_TX_CONTENT, payload, payload_len); - - data = (struct s_lm_data_out *) skb_push(skb, entry->header_len); - - memset(data, 0, entry->header_len); - - if (padding) - data->flags = LM_FLAG_ALIGN; - - data->flags = LM_OUT_BURST; - data->length = payload_len; - data->handle = entry->handle; - data->aid = 1; - data->rts_retries = 7; - data->retries = 7; - data->aloft_ctrl = 0; - data->crypt_offset = 58; - data->keytype = 0; - data->keylen = 0; - data->queue = 2; - data->backlog = 32; - data->antenna = 2; - data->cts = 3; - data->power = 127; - - for (i = 0; i < 8; i++) { - rate = ieee80211_get_tx_rate(stlc->hw, info); - data->aloft[i] = rate->hw_value; - } - - list_add_tail(&entry->tx_list, &stlc->tx_pending); - - /* check if there's enough space in tx buffer */ - if (stlc45xx_txbuffer_find(stlc, MAX_FRAME_LEN) == -1) { - stlc45xx_debug(DEBUG_QUEUE, "tx buffer full, stopping queues"); - stlc->tx_queue_stopped = 1; - ieee80211_stop_queues(stlc->hw); - } - - queue_work(stlc->hw->workqueue, &stlc->work); - - spin_unlock_bh(&stlc->tx_lock); - - return NETDEV_TX_OK; -} - -static int stlc45xx_op_start(struct ieee80211_hw *hw) -{ - struct stlc45xx *stlc = hw->priv; - unsigned long timeout; - int ret = 0; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - stlc->fw_state = FW_STATE_BOOTING; - stlc->channel = 1; - - stlc45xx_power_on(stlc); - - ret = stlc45xx_upload_firmware(stlc); - if (ret < 0) { - stlc45xx_power_off(stlc); - goto out_unlock; - } - - stlc->tx_queue_stopped = 0; - - mutex_unlock(&stlc->mutex); - - timeout = msecs_to_jiffies(2000); - timeout = wait_for_completion_interruptible_timeout(&stlc->fw_comp, - timeout); - if (!timeout) { - stlc45xx_error("firmware boot failed"); - stlc45xx_power_off(stlc); - ret = -1; - goto out; - } - - stlc45xx_debug(DEBUG_BOOT, "firmware booted"); - - /* FIXME: should we take mutex just after wait_for_completion()? */ - mutex_lock(&stlc->mutex); - - WARN_ON(stlc->fw_state != FW_STATE_READY); - -out_unlock: - mutex_unlock(&stlc->mutex); - -out: - return ret; -} - -static void stlc45xx_op_stop(struct ieee80211_hw *hw) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - WARN_ON(stlc->fw_state != FW_STATE_READY); - - stlc45xx_power_off(stlc); - - /* FIXME: make sure that all work_structs have completed */ - - spin_lock_bh(&stlc->tx_lock); - stlc45xx_flush_queues(stlc); - spin_unlock_bh(&stlc->tx_lock); - - stlc->fw_state = FW_STATE_OFF; - - mutex_unlock(&stlc->mutex); -} - -static int stlc45xx_op_add_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - switch (conf->type) { - case NL80211_IFTYPE_STATION: - break; - default: - return -EOPNOTSUPP; - } - - memcpy(stlc->mac_addr, conf->mac_addr, ETH_ALEN); - - return 0; -} - -static void stlc45xx_op_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); -} - -static int stlc45xx_op_config(struct ieee80211_hw *hw, u32 changed) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - mutex_lock(&stlc->mutex); - - stlc->channel = hw->conf.channel->hw_value; - stlc45xx_tx_scan(stlc); - stlc45xx_tx_setup(stlc); - stlc45xx_tx_edcf(stlc); - - if ((hw->conf.flags & IEEE80211_CONF_PS) != stlc->psm) { - stlc->psm = hw->conf.flags & IEEE80211_CONF_PS; - if (stlc->associated) { - stlc45xx_tx_psm(stlc, stlc->psm); - stlc45xx_tx_nullfunc(stlc, stlc->psm); - } - } - - mutex_unlock(&stlc->mutex); - - return 0; -} - -static void stlc45xx_op_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - int mc_count, - struct dev_addr_list *mc_list) -{ - *total_flags = 0; -} - -static void stlc45xx_op_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *info, - u32 changed) -{ - struct stlc45xx *stlc = hw->priv; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - mutex_lock(&stlc->mutex); - - memcpy(stlc->bssid, info->bssid, ETH_ALEN); - stlc45xx_tx_setup(stlc); - - mutex_unlock(&stlc->mutex); - - if (changed & BSS_CHANGED_ASSOC) { - stlc->associated = info->assoc; - if (info->assoc) - stlc->aid = info->aid; - else - stlc->aid = -1; - - if (stlc->psm) { - stlc45xx_tx_psm(stlc, stlc->psm); - stlc45xx_tx_nullfunc(stlc, stlc->psm); - } - } -} - - -/* can't be const, mac80211 writes to this */ -static struct ieee80211_rate stlc45xx_rates[] = { - { .bitrate = 10, .hw_value = 0, .hw_value_short = 0, }, - { .bitrate = 20, .hw_value = 1, .hw_value_short = 1, }, - { .bitrate = 55, .hw_value = 2, .hw_value_short = 2, }, - { .bitrate = 110, .hw_value = 3, .hw_value_short = 3, }, - { .bitrate = 60, .hw_value = 4, .hw_value_short = 4, }, - { .bitrate = 90, .hw_value = 5, .hw_value_short = 5, }, - { .bitrate = 120, .hw_value = 6, .hw_value_short = 6, }, - { .bitrate = 180, .hw_value = 7, .hw_value_short = 7, }, - { .bitrate = 240, .hw_value = 8, .hw_value_short = 8, }, - { .bitrate = 360, .hw_value = 9, .hw_value_short = 9, }, - { .bitrate = 480, .hw_value = 10, .hw_value_short = 10, }, - { .bitrate = 540, .hw_value = 11, .hw_value_short = 11, }, -}; - -/* can't be const, mac80211 writes to this */ -static struct ieee80211_channel stlc45xx_channels[] = { - { .hw_value = 1, .center_freq = 2412}, - { .hw_value = 2, .center_freq = 2417}, - { .hw_value = 3, .center_freq = 2422}, - { .hw_value = 4, .center_freq = 2427}, - { .hw_value = 5, .center_freq = 2432}, - { .hw_value = 6, .center_freq = 2437}, - { .hw_value = 7, .center_freq = 2442}, - { .hw_value = 8, .center_freq = 2447}, - { .hw_value = 9, .center_freq = 2452}, - { .hw_value = 10, .center_freq = 2457}, - { .hw_value = 11, .center_freq = 2462}, - { .hw_value = 12, .center_freq = 2467}, - { .hw_value = 13, .center_freq = 2472}, -}; - -/* can't be const, mac80211 writes to this */ -static struct ieee80211_supported_band stlc45xx_band_2ghz = { - .channels = stlc45xx_channels, - .n_channels = ARRAY_SIZE(stlc45xx_channels), - .bitrates = stlc45xx_rates, - .n_bitrates = ARRAY_SIZE(stlc45xx_rates), -}; - -static const struct ieee80211_ops stlc45xx_ops = { - .start = stlc45xx_op_start, - .stop = stlc45xx_op_stop, - .add_interface = stlc45xx_op_add_interface, - .remove_interface = stlc45xx_op_remove_interface, - .config = stlc45xx_op_config, - .configure_filter = stlc45xx_op_configure_filter, - .tx = stlc45xx_op_tx, - .bss_info_changed = stlc45xx_op_bss_info_changed, -}; - -static int stlc45xx_register_mac80211(struct stlc45xx *stlc) -{ - /* FIXME: SET_IEEE80211_PERM_ADDR() requires default_mac_addr - to be non-const for some strange reason */ - static u8 default_mac_addr[ETH_ALEN] = { - 0x00, 0x02, 0xee, 0xc0, 0xff, 0xee - }; - int ret; - - SET_IEEE80211_PERM_ADDR(stlc->hw, default_mac_addr); - - ret = ieee80211_register_hw(stlc->hw); - if (ret) { - stlc45xx_error("unable to register mac80211 hw: %d", ret); - return ret; - } - - return 0; -} - -static void stlc45xx_device_release(struct device *dev) -{ - -} - -static struct platform_device stlc45xx_device = { - .name = "stlc45xx", - .id = -1, - - /* device model insists to have a release function */ - .dev = { - .release = stlc45xx_device_release, - }, -}; - -static int __devinit stlc45xx_probe(struct spi_device *spi) -{ - struct stlc45xx *stlc; - struct ieee80211_hw *hw; - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - /* mac80211 alloc */ - hw = ieee80211_alloc_hw(sizeof(*stlc), &stlc45xx_ops); - if (!hw) { - stlc45xx_error("could not alloc ieee80211_hw"); - ret = -ENOMEM; - goto out; - } - - /* mac80211 clears hw->priv */ - stlc = hw->priv; - - stlc->hw = hw; - dev_set_drvdata(&spi->dev, stlc); - stlc->spi = spi; - - spi->bits_per_word = 16; - spi->max_speed_hz = 24000000; - - ret = spi_setup(spi); - if (ret < 0) - stlc45xx_error("spi_setup failed"); - - ret = gpio_request(stlc45xx_gpio_power, "stlc45xx power"); - if (ret < 0) { - stlc45xx_error("power GPIO request failed: %d", ret); - return ret; - } - - ret = gpio_request(stlc45xx_gpio_irq, "stlc45xx irq"); - if (ret < 0) { - stlc45xx_error("irq GPIO request failed: %d", ret); - goto out; - } - - gpio_direction_output(stlc45xx_gpio_power, 0); - gpio_direction_input(stlc45xx_gpio_irq); - - ret = request_irq(gpio_to_irq(stlc45xx_gpio_irq), - stlc45xx_interrupt, IRQF_DISABLED, "stlc45xx", - stlc->spi); - if (ret < 0) - /* FIXME: handle the error */ - stlc45xx_error("request_irq() failed"); - - set_irq_type(gpio_to_irq(stlc45xx_gpio_irq), - IRQ_TYPE_EDGE_RISING); - - disable_irq(gpio_to_irq(stlc45xx_gpio_irq)); - - ret = platform_device_register(&stlc45xx_device); - if (ret) { - stlc45xx_error("Couldn't register wlan_omap device."); - return ret; - } - dev_set_drvdata(&stlc45xx_device.dev, stlc); - - INIT_WORK(&stlc->work, stlc45xx_work); - INIT_WORK(&stlc->work_reset, stlc45xx_work_reset); - INIT_DELAYED_WORK(&stlc->work_tx_timeout, stlc45xx_work_tx_timeout); - mutex_init(&stlc->mutex); - init_completion(&stlc->fw_comp); - spin_lock_init(&stlc->tx_lock); - INIT_LIST_HEAD(&stlc->txbuffer); - INIT_LIST_HEAD(&stlc->tx_pending); - INIT_LIST_HEAD(&stlc->tx_sent); - - hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_NOISE_DBM; - /* four bytes for padding */ - hw->extra_tx_headroom = sizeof(struct s_lm_data_out) + 4; - - /* unit us */ - hw->channel_change_time = 1000; - - hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &stlc45xx_band_2ghz; - - SET_IEEE80211_DEV(hw, &spi->dev); - - BUILD_BUG_ON(sizeof(default_cal_rssi) != RSSI_CAL_ARRAY_LEN); - BUILD_BUG_ON(sizeof(default_cal_channels) != CHANNEL_CAL_ARRAY_LEN); - - stlc->cal_rssi = kmemdup(default_cal_rssi, RSSI_CAL_ARRAY_LEN, - GFP_KERNEL); - stlc->cal_channels = kmemdup(default_cal_channels, - CHANNEL_CAL_ARRAY_LEN, - GFP_KERNEL); - - ret = device_create_file(&stlc45xx_device.dev, &dev_attr_cal_rssi); - if (ret < 0) { - stlc45xx_error("failed to create sysfs file cal_rssi"); - goto out; - } - - ret = device_create_file(&stlc45xx_device.dev, &dev_attr_cal_channels); - if (ret < 0) { - stlc45xx_error("failed to create sysfs file cal_channels"); - goto out; - } - - ret = device_create_file(&stlc45xx_device.dev, &dev_attr_tx_buf); - if (ret < 0) { - stlc45xx_error("failed to create sysfs file tx_buf"); - goto out; - } - - ret = stlc45xx_register_mac80211(stlc); - if (ret < 0) - goto out; - - stlc45xx_info("v" DRIVER_VERSION " loaded"); - - stlc45xx_info("config buffer 0x%x-0x%x", - FIRMWARE_CONFIG_START, FIRMWARE_CONFIG_END); - stlc45xx_info("tx 0x%x-0x%x, rx 0x%x-0x%x", - FIRMWARE_TXBUFFER_START, FIRMWARE_TXBUFFER_END, - FIRMWARE_RXBUFFER_START, FIRMWARE_RXBUFFER_END); - -out: - return ret; -} - -static int __devexit stlc45xx_remove(struct spi_device *spi) -{ - struct stlc45xx *stlc = dev_get_drvdata(&spi->dev); - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - platform_device_unregister(&stlc45xx_device); - - ieee80211_unregister_hw(stlc->hw); - - free_irq(gpio_to_irq(stlc45xx_gpio_irq), spi); - - gpio_free(stlc45xx_gpio_power); - gpio_free(stlc45xx_gpio_irq); - - /* FIXME: free cal_channels and cal_rssi? */ - - kfree(stlc->fw); - - mutex_destroy(&stlc->mutex); - - /* frees also stlc */ - ieee80211_free_hw(stlc->hw); - stlc = NULL; - - return 0; -} - - -static struct spi_driver stlc45xx_spi_driver = { - .driver = { - /* use cx3110x name because board-n800.c uses that for the - * SPI port */ - .name = "cx3110x", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - }, - - .probe = stlc45xx_probe, - .remove = __devexit_p(stlc45xx_remove), -}; - -static int __init stlc45xx_init(void) -{ - int ret; - - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - ret = spi_register_driver(&stlc45xx_spi_driver); - if (ret < 0) { - stlc45xx_error("failed to register SPI driver: %d", ret); - goto out; - } - -out: - return ret; -} - -static void __exit stlc45xx_exit(void) -{ - stlc45xx_debug(DEBUG_FUNC, "%s", __func__); - - spi_unregister_driver(&stlc45xx_spi_driver); - - stlc45xx_info("unloaded"); -} - -module_init(stlc45xx_init); -module_exit(stlc45xx_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); -MODULE_ALIAS("spi:cx3110x"); diff --git a/drivers/staging/stlc45xx/stlc45xx.h b/drivers/staging/stlc45xx/stlc45xx.h deleted file mode 100644 index ac96bbb..0000000 --- a/drivers/staging/stlc45xx/stlc45xx.h +++ /dev/null @@ -1,283 +0,0 @@ -/* - * This file is part of stlc45xx - * - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). - * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * - * 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. - * - * This program is distributed in the hope that 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., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/mutex.h> -#include <linux/list.h> -#include <net/mac80211.h> - -#include "stlc45xx_lmac.h" - -#define DRIVER_NAME "stlc45xx" -#define DRIVER_VERSION "0.1.3" - -#define DRIVER_PREFIX DRIVER_NAME ": " - -enum { - DEBUG_NONE = 0, - DEBUG_FUNC = 1 << 0, - DEBUG_IRQ = 1 << 1, - DEBUG_BH = 1 << 2, - DEBUG_RX = 1 << 3, - DEBUG_RX_CONTENT = 1 << 5, - DEBUG_TX = 1 << 6, - DEBUG_TX_CONTENT = 1 << 8, - DEBUG_TXBUFFER = 1 << 9, - DEBUG_QUEUE = 1 << 10, - DEBUG_BOOT = 1 << 11, - DEBUG_PSM = 1 << 12, - DEBUG_ALL = ~0, -}; - -#define DEBUG_LEVEL DEBUG_NONE -/* #define DEBUG_LEVEL DEBUG_ALL */ -/* #define DEBUG_LEVEL (DEBUG_TX | DEBUG_RX | DEBUG_IRQ) */ -/* #define DEBUG_LEVEL (DEBUG_TX | DEBUG_MEMREGION | DEBUG_QUEUE) */ -/* #define DEBUG_LEVEL (DEBUG_MEMREGION | DEBUG_QUEUE) */ - -#define stlc45xx_error(fmt, arg...) \ - printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg) - -#define stlc45xx_warning(fmt, arg...) \ - printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg) - -#define stlc45xx_info(fmt, arg...) \ - printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg) - -#define stlc45xx_debug(level, fmt, arg...) \ - do { \ - if (level & DEBUG_LEVEL) \ - printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \ - } while (0) - -#define stlc45xx_dump(level, buf, len) \ - do { \ - if (level & DEBUG_LEVEL) \ - print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, \ - 16, 1, buf, len, 1); \ - } while (0) - -#define MAC2STR(a) ((a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]) -#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x" - -/* Bit 15 is read/write bit; ON = READ, OFF = WRITE */ -#define ADDR_READ_BIT_15 0x8000 - -#define SPI_ADRS_ARM_INTERRUPTS 0x00 -#define SPI_ADRS_ARM_INT_EN 0x04 - -#define SPI_ADRS_HOST_INTERRUPTS 0x08 -#define SPI_ADRS_HOST_INT_EN 0x0c -#define SPI_ADRS_HOST_INT_ACK 0x10 - -#define SPI_ADRS_GEN_PURP_1 0x14 -#define SPI_ADRS_GEN_PURP_2 0x18 - -/* high word */ -#define SPI_ADRS_DEV_CTRL_STAT 0x26 - -#define SPI_ADRS_DMA_DATA 0x28 - -#define SPI_ADRS_DMA_WRITE_CTRL 0x2c -#define SPI_ADRS_DMA_WRITE_LEN 0x2e -#define SPI_ADRS_DMA_WRITE_BASE 0x30 - -#define SPI_ADRS_DMA_READ_CTRL 0x34 -#define SPI_ADRS_DMA_READ_LEN 0x36 -#define SPI_ADRS_DMA_READ_BASE 0x38 - -#define SPI_CTRL_STAT_HOST_OVERRIDE 0x8000 -#define SPI_CTRL_STAT_START_HALTED 0x4000 -#define SPI_CTRL_STAT_RAM_BOOT 0x2000 -#define SPI_CTRL_STAT_HOST_RESET 0x1000 -#define SPI_CTRL_STAT_HOST_CPU_EN 0x0800 - -#define SPI_DMA_WRITE_CTRL_ENABLE 0x0001 -#define SPI_DMA_READ_CTRL_ENABLE 0x0001 -#define HOST_ALLOWED (1 << 7) - -#define FIRMWARE_ADDRESS 0x20000 - -#define SPI_TIMEOUT 100 /* msec */ - -#define SPI_MAX_TX_PACKETS 32 - -#define SPI_MAX_PACKET_SIZE 32767 - -#define SPI_TARGET_INT_WAKEUP 0x00000001 -#define SPI_TARGET_INT_SLEEP 0x00000002 -#define SPI_TARGET_INT_RDDONE 0x00000004 - -#define SPI_TARGET_INT_CTS 0x00004000 -#define SPI_TARGET_INT_DR 0x00008000 - -#define SPI_HOST_INT_READY 0x00000001 -#define SPI_HOST_INT_WR_READY 0x00000002 -#define SPI_HOST_INT_SW_UPDATE 0x00000004 -#define SPI_HOST_INT_UPDATE 0x10000000 - -/* clear to send */ -#define SPI_HOST_INT_CTS 0x00004000 - -/* data ready */ -#define SPI_HOST_INT_DR 0x00008000 - -#define SPI_HOST_INTS_DEFAULT \ - (SPI_HOST_INT_READY | SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE) - -#define TARGET_BOOT_SLEEP 50 - -/* The firmware buffer is divided into three areas: - * - * o config area (for control commands) - * o tx buffer - * o rx buffer - */ -#define FIRMWARE_BUFFER_START 0x20200 -#define FIRMWARE_BUFFER_END 0x27c60 -#define FIRMWARE_BUFFER_LEN (FIRMWARE_BUFFER_END - FIRMWARE_BUFFER_START) -#define FIRMWARE_MTU 3240 -#define FIRMWARE_CONFIG_PAYLOAD_LEN 1024 -#define FIRMWARE_CONFIG_START FIRMWARE_BUFFER_START -#define FIRMWARE_CONFIG_LEN (sizeof(struct s_lm_control) + \ - FIRMWARE_CONFIG_PAYLOAD_LEN) -#define FIRMWARE_CONFIG_END (FIRMWARE_CONFIG_START + FIRMWARE_CONFIG_LEN - 1) -#define FIRMWARE_RXBUFFER_LEN (5 * FIRMWARE_MTU + 1024) -#define FIRMWARE_RXBUFFER_START (FIRMWARE_BUFFER_END - FIRMWARE_RXBUFFER_LEN) -#define FIRMWARE_RXBUFFER_END (FIRMWARE_RXBUFFER_START + \ - FIRMWARE_RXBUFFER_LEN - 1) -#define FIRMWARE_TXBUFFER_START (FIRMWARE_BUFFER_START + FIRMWARE_CONFIG_LEN) -#define FIRMWARE_TXBUFFER_LEN (FIRMWARE_BUFFER_LEN - FIRMWARE_CONFIG_LEN - \ - FIRMWARE_RXBUFFER_LEN) -#define FIRMWARE_TXBUFFER_END (FIRMWARE_TXBUFFER_START + \ - FIRMWARE_TXBUFFER_LEN - 1) - -#define FIRMWARE_TXBUFFER_HEADER 100 -#define FIRMWARE_TXBUFFER_TRAILER 4 - -/* FIXME: come up with a proper value */ -#define MAX_FRAME_LEN 2500 - -/* unit is ms */ -#define TX_FRAME_LIFETIME 2000 -#define TX_TIMEOUT 4000 - -#define SUPPORTED_CHANNELS 13 - -/* FIXME */ -/* #define CHANNEL_CAL_LEN offsetof(struct s_lmo_scan, bratemask) - \ */ -/* offsetof(struct s_lmo_scan, channel) */ -#define CHANNEL_CAL_LEN 292 -#define CHANNEL_CAL_ARRAY_LEN (SUPPORTED_CHANNELS * CHANNEL_CAL_LEN) -/* FIXME */ -/* #define RSSI_CAL_LEN sizeof(struct s_lmo_scan) - \ */ -/* offsetof(struct s_lmo_scan, rssical) */ -#define RSSI_CAL_LEN 8 -#define RSSI_CAL_ARRAY_LEN (SUPPORTED_CHANNELS * RSSI_CAL_LEN) - -struct s_dma_regs { - unsigned short cmd; - unsigned short len; - unsigned long addr; -}; - -struct stlc45xx_ie_tim { - u8 dtim_count; - u8 dtim_period; - u8 bmap_control; - u8 pvbmap[251]; -}; - -struct txbuffer { - /* can be removed when switched to skb queue */ - struct list_head tx_list; - - struct list_head buffer_list; - - int start; - int frame_start; - int end; - - struct sk_buff *skb; - u32 handle; - - bool status_needed; - - int header_len; - - /* unit jiffies */ - unsigned long lifetime; -}; - -enum fw_state { - FW_STATE_OFF, - FW_STATE_BOOTING, - FW_STATE_READY, - FW_STATE_RESET, - FW_STATE_RESETTING, -}; - -struct stlc45xx { - struct ieee80211_hw *hw; - struct spi_device *spi; - struct work_struct work; - struct work_struct work_reset; - struct delayed_work work_tx_timeout; - struct mutex mutex; - struct completion fw_comp; - - - u8 bssid[ETH_ALEN]; - u8 mac_addr[ETH_ALEN]; - int channel; - - u8 *cal_rssi; - u8 *cal_channels; - - enum fw_state fw_state; - - spinlock_t tx_lock; - - /* protected by tx_lock */ - struct list_head txbuffer; - - /* protected by tx_lock */ - struct list_head tx_pending; - - /* protected by tx_lock */ - int tx_queue_stopped; - - /* protected by mutex */ - struct list_head tx_sent; - - int tx_frames; - - u8 *fw; - int fw_len; - - bool psm; - bool associated; - int aid; - bool pspolling; -}; - - diff --git a/drivers/staging/stlc45xx/stlc45xx_lmac.h b/drivers/staging/stlc45xx/stlc45xx_lmac.h deleted file mode 100644 index af5db80..0000000 --- a/drivers/staging/stlc45xx/stlc45xx_lmac.h +++ /dev/null @@ -1,434 +0,0 @@ -/************************************************************************ -* This is the LMAC API interface header file for STLC4560. * -* Copyright (C) 2007 Conexant Systems, Inc. * -* 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 the Free Software Foundation; either version 2 * -* of the License, or (at your option) any later version. * -* * -* This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.* -*************************************************************************/ - -#ifndef __lmac_h__ -#define __lmac_h__ - -#define LM_TOP_VARIANT 0x0506 -#define LM_BOTTOM_VARIANT 0x0506 - -/* - * LMAC - UMAC interface definition: - */ - -#define LM_FLAG_CONTROL 0x8000 -#define LM_FLAG_ALIGN 0x4000 - -#define LM_CTRL_OPSET 0x0001 - -#define LM_OUT_PROMISC 0x0001 -#define LM_OUT_TIMESTAMP 0x0002 -#define LM_OUT_SEQNR 0x0004 -#define LM_OUT_BURST 0x0010 -#define LM_OUT_NOCANCEL 0x0020 -#define LM_OUT_CLEARTIM 0x0040 -#define LM_OUT_HITCHHIKE 0x0080 -#define LM_OUT_COMPRESS 0x0100 -#define LM_OUT_CONCAT 0x0200 -#define LM_OUT_PCS_ACCEPT 0x0400 -#define LM_OUT_WAITEOSP 0x0800 - - -#define LM_ALOFT_SP 0x10 -#define LM_ALOFT_CTS 0x20 -#define LM_ALOFT_RTS 0x40 -#define LM_ALOFT_MASK 0x1f -#define LM_ALOFT_RATE 0x0f - -#define LM_IN_FCS_GOOD 0x0001 -#define LM_IN_MATCH_MAC 0x0002 -#define LM_IN_MCBC 0x0004 -#define LM_IN_BEACON 0x0008 -#define LM_IN_MATCH_BSS 0x0010 -#define LM_IN_BCAST_BSS 0x0020 -#define LM_IN_DATA 0x0040 -#define LM_IN_TRUNCATED 0x0080 - -#define LM_IN_TRANSPARENT 0x0200 - -#define LM_QUEUE_BEACON 0 -#define LM_QUEUE_SCAN 1 -#define LM_QUEUE_MGT 2 -#define LM_QUEUE_MCBC 3 -#define LM_QUEUE_DATA 4 -#define LM_QUEUE_DATA0 4 -#define LM_QUEUE_DATA1 5 -#define LM_QUEUE_DATA2 6 -#define LM_QUEUE_DATA3 7 - -#define LM_SETUP_INFRA 0x0001 -#define LM_SETUP_IBSS 0x0002 -#define LM_SETUP_TRANSPARENT 0x0008 -#define LM_SETUP_PROMISCUOUS 0x0010 -#define LM_SETUP_HIBERNATE 0x0020 -#define LM_SETUP_NOACK 0x0040 -#define LM_SETUP_RX_DISABLED 0x0080 - -#define LM_ANTENNA_0 0 -#define LM_ANTENNA_1 1 -#define LM_ANTENNA_DIVERSITY 2 - -#define LM_TX_FAILED 0x0001 -#define LM_TX_PSM 0x0002 -#define LM_TX_PSM_CANCELLED 0x0004 - -#define LM_SCAN_EXIT 0x0001 -#define LM_SCAN_TRAP 0x0002 -#define LM_SCAN_ACTIVE 0x0004 -#define LM_SCAN_FILTER 0x0008 - -#define LM_PSM 0x0001 -#define LM_PSM_DTIM 0x0002 -#define LM_PSM_MCBC 0x0004 -#define LM_PSM_CHECKSUM 0x0008 -#define LM_PSM_SKIP_MORE_DATA 0x0010 -#define LM_PSM_BEACON_TIMEOUT 0x0020 -#define LM_PSM_HFOSLEEP 0x0040 -#define LM_PSM_AUTOSWITCH_SLEEP 0x0080 -#define LM_PSM_LPIT 0x0100 -#define LM_PSM_BF_UCAST_SKIP 0x0200 -#define LM_PSM_BF_MCAST_SKIP 0x0400 - -/* hfosleep */ -#define LM_PSM_SLEEP_OPTION_MASK (LM_PSM_AUTOSWITCH_SLEEP | LM_PSM_HFOSLEEP) -#define LM_PSM_SLEEP_OPTION_SHIFT 6 -/* hfosleepend */ -#define LM_PSM_BF_OPTION_MASK (LM_PSM_BF_MCAST_SKIP | LM_PSM_BF_UCAST_SKIP) -#define LM_PSM_BF_OPTION_SHIFT 9 - - -#define LM_PRIVACC_WEP 0x01 -#define LM_PRIVACC_TKIP 0x02 -#define LM_PRIVACC_MICHAEL 0x04 -#define LM_PRIVACC_CCX_KP 0x08 -#define LM_PRIVACC_CCX_MIC 0x10 -#define LM_PRIVACC_AES_CCMP 0x20 - -/* size of s_lm_descr in words */ -#define LM_DESCR_SIZE_WORDS 11 - -#ifndef __ASSEMBLER__ - -enum { - LM_MODE_CLIENT = 0, - LM_MODE_AP -}; - -struct s_lm_descr { - uint16_t modes; - uint16_t flags; - uint32_t buffer_start; - uint32_t buffer_end; - uint8_t header; - uint8_t trailer; - uint8_t tx_queues; - uint8_t tx_depth; - uint8_t privacy; - uint8_t rx_keycache; - uint8_t tim_size; - uint8_t pad1; - uint8_t rates[16]; - uint32_t link; - uint16_t mtu; -}; - - -struct s_lm_control { - uint16_t flags; - uint16_t length; - uint32_t handle; - uint16_t oid; - uint16_t pad; - /* uint8_t data[]; */ -}; - -enum { - LM_PRIV_NONE = 0, - LM_PRIV_WEP, - LM_PRIV_TKIP, - LM_PRIV_TKIPMICHAEL, - LM_PRIV_CCX_WEPMIC, - LM_PRIV_CCX_KPMIC, - LM_PRIV_CCX_KP, - LM_PRIV_AES_CCMP -}; - -enum { - LM_DECRYPT_NONE, - LM_DECRYPT_OK, - LM_DECRYPT_NOKEY, - LM_DECRYPT_NOMICHAEL, - LM_DECRYPT_NOCKIPMIC, - LM_DECRYPT_FAIL_WEP, - LM_DECRYPT_FAIL_TKIP, - LM_DECRYPT_FAIL_MICHAEL, - LM_DECRYPT_FAIL_CKIPKP, - LM_DECRYPT_FAIL_CKIPMIC, - LM_DECRYPT_FAIL_AESCCMP -}; - -struct s_lm_data_out { - uint16_t flags; - uint16_t length; - uint32_t handle; - uint16_t aid; - uint8_t rts_retries; - uint8_t retries; - uint8_t aloft[8]; - uint8_t aloft_ctrl; - uint8_t crypt_offset; - uint8_t keytype; - uint8_t keylen; - uint8_t key[16]; - uint8_t queue; - uint8_t backlog; - uint16_t durations[4]; - uint8_t antenna; - uint8_t cts; - int16_t power; - uint8_t pad[2]; - /*uint8_t data[];*/ -}; - -#define LM_RCPI_INVALID (0xff) - -struct s_lm_data_in { - uint16_t flags; - uint16_t length; - uint16_t frequency; - uint8_t antenna; - uint8_t rate; - uint8_t rcpi; - uint8_t sq; - uint8_t decrypt; - uint8_t rssi_raw; - uint32_t clock[2]; - /*uint8_t data[];*/ -}; - -union u_lm_data { - struct s_lm_data_out out; - struct s_lm_data_in in; -}; - -enum { - LM_OID_SETUP = 0, - LM_OID_SCAN = 1, - LM_OID_TRAP = 2, - LM_OID_EDCF = 3, - LM_OID_KEYCACHE = 4, - LM_OID_PSM = 6, - LM_OID_TXCANCEL = 7, - LM_OID_TX = 8, - LM_OID_BURST = 9, - LM_OID_STATS = 10, - LM_OID_LED = 13, - LM_OID_TIMER = 15, - LM_OID_NAV = 20, - LM_OID_PCS = 22, - LM_OID_BT_BALANCER = 28, - LM_OID_GROUP_ADDRESS_TABLE = 30, - LM_OID_ARPTABLE = 31, - LM_OID_BT_OPTIONS = 35 -}; - -enum { - LM_FRONTEND_UNKNOWN = 0, - LM_FRONTEND_DUETTE3, - LM_FRONTEND_DUETTE2, - LM_FRONTEND_FRISBEE, - LM_FRONTEND_CROSSBOW, - LM_FRONTEND_LONGBOW -}; - - -#define INVALID_LPF_BANDWIDTH 0xffff -#define INVALID_OSC_START_DELAY 0xffff - -struct s_lmo_setup { - uint16_t flags; - uint8_t macaddr[6]; - uint8_t bssid[6]; - uint8_t antenna; - uint8_t rx_align; - uint32_t rx_buffer; - uint16_t rx_mtu; - uint16_t frontend; - uint16_t timeout; - uint16_t truncate; - uint32_t bratemask; - uint8_t sbss_offset; - uint8_t mcast_window; - uint8_t rx_rssi_threshold; - uint8_t rx_ed_threshold; - uint32_t ref_clock; - uint16_t lpf_bandwidth; - uint16_t osc_start_delay; -}; - - -struct s_lmo_scan { - uint16_t flags; - uint16_t dwell; - uint8_t channel[292]; - uint32_t bratemask; - uint8_t aloft[8]; - uint8_t rssical[8]; -}; - - -enum { - LM_TRAP_SCAN = 0, - LM_TRAP_TIMER, - LM_TRAP_BEACON_TX, - LM_TRAP_FAA_RADIO_ON, - LM_TRAP_FAA_RADIO_OFF, - LM_TRAP_RADAR, - LM_TRAP_NO_BEACON, - LM_TRAP_TBTT, - LM_TRAP_SCO_ENTER, - LM_TRAP_SCO_EXIT -}; - -struct s_lmo_trap { - uint16_t event; - uint16_t frequency; -}; - -struct s_lmo_timer { - uint32_t interval; -}; - -struct s_lmo_nav { - uint32_t period; -}; - - -struct s_lmo_edcf_queue; - -struct s_lmo_edcf { - uint8_t flags; - uint8_t slottime; - uint8_t sifs; - uint8_t eofpad; - struct s_lmo_edcf_queue { - uint8_t aifs; - uint8_t pad0; - uint16_t cwmin; - uint16_t cwmax; - uint16_t txop; - } queues[8]; - uint8_t mapping[4]; - uint16_t maxburst; - uint16_t round_trip_delay; -}; - -struct s_lmo_keycache { - uint8_t entry; - uint8_t keyid; - uint8_t address[6]; - uint8_t pad[2]; - uint8_t keytype; - uint8_t keylen; - uint8_t key[24]; -}; - - -struct s_lm_interval; - -struct s_lmo_psm { - uint16_t flags; - uint16_t aid; - struct s_lm_interval { - uint16_t interval; - uint16_t periods; - } intervals[4]; - /* uint16_t pad; */ - uint8_t beacon_rcpi_skip_max; - uint8_t rcpi_delta_threshold; - uint8_t nr; - uint8_t exclude[1]; -}; - -#define MC_FILTER_ADDRESS_NUM 4 - -struct s_lmo_group_address_table { - uint16_t filter_enable; - uint16_t num_address; - uint8_t macaddr_list[MC_FILTER_ADDRESS_NUM][6]; -}; - -struct s_lmo_txcancel { - uint32_t address[1]; -}; - - -struct s_lmo_tx { - uint8_t flags; - uint8_t retries; - uint8_t rcpi; - uint8_t sq; - uint16_t seqctrl; - uint8_t antenna; - uint8_t pad; -}; - -struct s_lmo_burst { - uint8_t flags; - uint8_t queue; - uint8_t backlog; - uint8_t pad; - uint16_t durations[32]; -}; - -struct s_lmo_stats { - uint32_t valid; - uint32_t fcs; - uint32_t abort; - uint32_t phyabort; - uint32_t rts_success; - uint32_t rts_fail; - uint32_t timestamp; - uint32_t time_tx; - uint32_t noisefloor; - uint32_t sample_noise[8]; - uint32_t sample_cca; - uint32_t sample_tx; -}; - - -struct s_lmo_led { - uint16_t flags; - uint16_t mask[2]; - uint16_t delay/*[2]*/; -}; - - -struct s_lmo_bt_balancer { - uint16_t prio_thresh; - uint16_t acl_thresh; -}; - - -struct s_lmo_arp_table { - uint16_t filter_enable; - uint32_t ipaddr; -}; - -#endif /* __ASSEMBLER__ */ - -#endif /* __lmac_h__ */ diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 7f96bca..0518611 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -1332,7 +1332,6 @@ device_release_WPADEV(pDevice); free_netdev(pDevice->dev); } - kfree(pDevice); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_disconnect3.. \n"); } diff --git a/drivers/staging/winbond/Kconfig b/drivers/staging/winbond/Kconfig index 940460c..132671d 100644 --- a/drivers/staging/winbond/Kconfig +++ b/drivers/staging/winbond/Kconfig @@ -1,6 +1,6 @@ config W35UND tristate "IS89C35 WLAN USB driver" - depends on MAC80211 && WLAN_80211 && USB && EXPERIMENTAL + depends on MAC80211 && WLAN && USB && EXPERIMENTAL default n ---help--- This is highly experimental driver for Winbond WIFI card. diff --git a/drivers/staging/wlan-ng/Kconfig b/drivers/staging/wlan-ng/Kconfig index 9959b65..f44294b 100644 --- a/drivers/staging/wlan-ng/Kconfig +++ b/drivers/staging/wlan-ng/Kconfig @@ -1,6 +1,6 @@ config PRISM2_USB tristate "Prism2.5/3 USB driver" - depends on WLAN_80211 && USB && WIRELESS_EXT + depends on WLAN && USB && WIRELESS_EXT default n ---help--- This is the wlan-ng prism 2.5/3 USB driver for a wide range of diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index 42a74b8..fa3d142 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -2139,7 +2139,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count, static void fsl_udc_release(struct device *dev) { complete(udc_controller->done); - dma_free_coherent(dev, udc_controller->ep_qh_size, + dma_free_coherent(dev->parent, udc_controller->ep_qh_size, udc_controller->ep_qh, udc_controller->ep_qh_dma); kfree(udc_controller); } diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 749b537..e33d362 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -1003,19 +1003,20 @@ static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port, if (syssts == SE0) { r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port)); r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); - return; - } + } else { + if (syssts == FS_JSTS) + r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); + else if (syssts == LS_JSTS) + r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); - if (syssts == FS_JSTS) - r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); - else if (syssts == LS_JSTS) - r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); + r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port)); + r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port)); - r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port)); - r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port)); + if (r8a66597->bus_suspended) + usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); + } - if (r8a66597->bus_suspended) - usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); + usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597)); } /* this function must be called with interrupt disabled */ @@ -1024,6 +1025,8 @@ static void r8a66597_usb_connect(struct r8a66597 *r8a66597, int port) u16 speed = get_rh_usb_speed(r8a66597, port); struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; + rh->port &= ~((1 << USB_PORT_FEAT_HIGHSPEED) | + (1 << USB_PORT_FEAT_LOWSPEED)); if (speed == HSMODE) rh->port |= (1 << USB_PORT_FEAT_HIGHSPEED); else if (speed == LSMODE) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 65d96b2..cd44c68 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -315,6 +315,9 @@ static int option_resume(struct usb_serial *serial); #define QISDA_PRODUCT_H20_4515 0x4515 #define QISDA_PRODUCT_H20_4519 0x4519 +/* TLAYTECH PRODUCTS */ +#define TLAYTECH_VENDOR_ID 0x20B9 +#define TLAYTECH_PRODUCT_TEU800 0x1682 /* TOSHIBA PRODUCTS */ #define TOSHIBA_VENDOR_ID 0x0930 @@ -593,6 +596,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) }, { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) }, + { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 4588398..5019325 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -296,7 +296,6 @@ struct sierra_port_private { int dsr_state; int dcd_state; int ri_state; - unsigned int opened:1; }; @@ -306,6 +305,8 @@ static int sierra_send_setup(struct usb_serial_port *port) struct sierra_port_private *portdata; __u16 interface = 0; int val = 0; + int do_send = 0; + int retval; dev_dbg(&port->dev, "%s\n", __func__); @@ -324,10 +325,7 @@ static int sierra_send_setup(struct usb_serial_port *port) */ if (port->interrupt_in_urb) { /* send control message */ - return usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), - 0x22, 0x21, val, interface, - NULL, 0, USB_CTRL_SET_TIMEOUT); + do_send = 1; } } @@ -339,12 +337,18 @@ static int sierra_send_setup(struct usb_serial_port *port) interface = 1; else if (port->bulk_out_endpointAddress == 5) interface = 2; - return usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), - 0x22, 0x21, val, interface, - NULL, 0, USB_CTRL_SET_TIMEOUT); + + do_send = 1; } - return 0; + if (!do_send) + return 0; + + usb_autopm_get_interface(serial->interface); + retval = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + 0x22, 0x21, val, interface, NULL, 0, USB_CTRL_SET_TIMEOUT); + usb_autopm_put_interface(serial->interface); + + return retval; } static void sierra_set_termios(struct tty_struct *tty, @@ -773,8 +777,11 @@ static void sierra_close(struct usb_serial_port *port) if (serial->dev) { mutex_lock(&serial->disc_mutex); - if (!serial->disconnected) + if (!serial->disconnected) { + serial->interface->needs_remote_wakeup = 0; + usb_autopm_get_interface(serial->interface); sierra_send_setup(port); + } mutex_unlock(&serial->disc_mutex); spin_lock_irq(&intfdata->susp_lock); portdata->opened = 0; @@ -788,8 +795,6 @@ static void sierra_close(struct usb_serial_port *port) sierra_release_urb(portdata->in_urbs[i]); portdata->in_urbs[i] = NULL; } - usb_autopm_get_interface(serial->interface); - serial->interface->needs_remote_wakeup = 0; } } @@ -827,6 +832,8 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port) if (err) { /* get rid of everything as in close */ sierra_close(port); + /* restore balance for autopm */ + usb_autopm_put_interface(serial->interface); return err; } sierra_send_setup(port); @@ -915,7 +922,7 @@ static void sierra_release(struct usb_serial *serial) #ifdef CONFIG_PM static void stop_read_write_urbs(struct usb_serial *serial) { - int i, j; + int i; struct usb_serial_port *port; struct sierra_port_private *portdata; @@ -923,8 +930,7 @@ static void stop_read_write_urbs(struct usb_serial *serial) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; portdata = usb_get_serial_port_data(port); - for (j = 0; j < N_IN_URB; j++) - usb_kill_urb(portdata->in_urbs[j]); + sierra_stop_rx_urbs(port); usb_kill_anchored_urbs(&portdata->active); } } diff --git a/firmware/Makefile b/firmware/Makefile index a6c7c3e..f4ca0c7 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -69,11 +69,13 @@ fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \ fw-shipped-$(CONFIG_MYRI_SBUS) += myricom/lanai.bin fw-shipped-$(CONFIG_PCMCIA_PCNET) += cis/LA-PCM.cis cis/PCMLM28.cis \ cis/DP83903.cis cis/NE2K.cis \ - cis/tamarack.cis + cis/tamarack.cis cis/PE-200.cis fw-shipped-$(CONFIG_PCMCIA_3C589) += cis/3CXEM556.cis fw-shipped-$(CONFIG_PCMCIA_3C574) += cis/3CCFEM556.cis fw-shipped-$(CONFIG_SERIAL_8250_CS) += cis/MT5634ZLX.cis cis/RS-COM-2P.cis \ - cis/COMpad2.cis cis/COMpad4.cis + cis/COMpad2.cis cis/COMpad4.cis \ + cis/SW_555_SER.cis cis/SW_7xx_SER.cis \ + cis/SW_8xx_SER.cis fw-shipped-$(CONFIG_PCMCIA_SMC91C92) += ositech/Xilinx7OD.bin fw-shipped-$(CONFIG_SCSI_ADVANSYS) += advansys/mcode.bin advansys/38C1600.bin \ advansys/3550.bin advansys/38C0800.bin diff --git a/firmware/WHENCE b/firmware/WHENCE index c437e14..7a8adc0 100644 --- a/firmware/WHENCE +++ b/firmware/WHENCE @@ -600,6 +600,7 @@ File: cis/LA-PCM.cis cis/DP83903.cis cis/NE2K.cis cis/tamarack.cis + cis/PE-200.cis Licence: GPL @@ -633,6 +634,9 @@ File: cis/MT5634ZLX.cis cis/RS-COM-2P.cis cis/COMpad2.cis cis/COMpad4.cis + cis/SW_555_SER.cis + cis/SW_7xx_SER.cis + cis/SW_8xx_SER.cis Licence: GPL diff --git a/firmware/cis/PE-200.cis.ihex b/firmware/cis/PE-200.cis.ihex new file mode 100644 index 0000000..e6dbdab --- /dev/null +++ b/firmware/cis/PE-200.cis.ihex @@ -0,0 +1,9 @@ +:1000000001030000FF151E0401504D582020200060 +:1000100050452D3230300045544845524E4554002D +:1000200052303100FF210206031A050101000101CF +:100030001B0EC181190155E051000F100F30FFFF59 +:040040001400FF00A9 +:00000001FF +# +# Replacement CIS for PE-200 ethernet card +# diff --git a/firmware/cis/SW_555_SER.cis.ihex b/firmware/cis/SW_555_SER.cis.ihex new file mode 100644 index 0000000..9b9348ac --- /dev/null +++ b/firmware/cis/SW_555_SER.cis.ihex @@ -0,0 +1,12 @@ +:100000000101FF17034100FF20043F0110072102F7 +:100010000200152A070053696572726120576972E0 +:10002000656C657373004169724361726420353594 +:1000300035004135353500526576203100FF1A050F +:1000400001030007731B0BE00118A360F8030730DE +:10005000BC3F1B08A10108A360F802071B08A2010E +:1000600008A360E803071B08A30108A360E80207D0 +:0A0070001B04A40108231400FF0084 +:00000001FF +# +# Replacement CIS for AC555 provided by Sierra Wireless +# diff --git a/firmware/cis/SW_7xx_SER.cis.ihex b/firmware/cis/SW_7xx_SER.cis.ihex new file mode 100644 index 0000000..11e44ad --- /dev/null +++ b/firmware/cis/SW_7xx_SER.cis.ihex @@ -0,0 +1,13 @@ +:100000000101FF17034100FF2004920110072102A4 +:1000100002001537070053696572726120576972D3 +:10002000656C6573730041433731302F4143373579 +:10003000300047505253204E6574776F726B2041E9 +:1000400064617074657200523100FF1A050103008B +:1000500007731B10E00119784D555D25A360F80367 +:100060000730BC861B08A10108A360F802071B0823 +:10007000A20108A360E803071B08A30108A360E826 +:0C00800002071B04A40108231400FF0069 +:00000001FF +# +# Replacement CIS for AC7xx provided by Sierra Wireless +# diff --git a/firmware/cis/SW_8xx_SER.cis.ihex b/firmware/cis/SW_8xx_SER.cis.ihex new file mode 100644 index 0000000..bbcfe63 --- /dev/null +++ b/firmware/cis/SW_8xx_SER.cis.ihex @@ -0,0 +1,13 @@ +:100000000101FF17034100FF2004920110072102A4 +:100010000200152F070053696572726120576972DB +:10002000656C657373004143383530003347204EAB +:100030006574776F726B20416461707465720052F1 +:100040003100FF1A0501030007731B10E001197846 +:100050004D555D25A360F8480730BC861B08A101FB +:1000600008A360F847071B08A20108A360E8480737 +:100070001B08A30108A360E847071B04A401082389 +:040080001400FF0069 +:00000001FF +# +# Replacement CIS for AC8xx provided by Sierra Wireless +# diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index 873cd31..15cce53 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -40,6 +40,24 @@ #include "fid.h" /** + * struct p9_rdir - readdir accounting + * @mutex: mutex protecting readdir + * @head: start offset of current dirread buffer + * @tail: end offset of current dirread buffer + * @buf: dirread buffer + * + * private structure for keeping track of readdir + * allocated on demand + */ + +struct p9_rdir { + struct mutex mutex; + int head; + int tail; + uint8_t *buf; +}; + +/** * dt_type - return file type * @mistat: mistat structure * @@ -70,56 +88,79 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir) { int over; struct p9_wstat st; - int err; + int err = 0; struct p9_fid *fid; int buflen; - char *statbuf; - int n, i = 0; + int reclen = 0; + struct p9_rdir *rdir; P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name); fid = filp->private_data; buflen = fid->clnt->msize - P9_IOHDRSZ; - statbuf = kmalloc(buflen, GFP_KERNEL); - if (!statbuf) - return -ENOMEM; - - while (1) { - err = v9fs_file_readn(filp, statbuf, NULL, buflen, - fid->rdir_fpos); - if (err <= 0) - break; - - n = err; - while (i < n) { - err = p9stat_read(statbuf + i, buflen-i, &st, - fid->clnt->dotu); + + /* allocate rdir on demand */ + if (!fid->rdir) { + rdir = kmalloc(sizeof(struct p9_rdir) + buflen, GFP_KERNEL); + + if (rdir == NULL) { + err = -ENOMEM; + goto exit; + } + spin_lock(&filp->f_dentry->d_lock); + if (!fid->rdir) { + rdir->buf = (uint8_t *)rdir + sizeof(struct p9_rdir); + mutex_init(&rdir->mutex); + rdir->head = rdir->tail = 0; + fid->rdir = (void *) rdir; + rdir = NULL; + } + spin_unlock(&filp->f_dentry->d_lock); + kfree(rdir); + } + rdir = (struct p9_rdir *) fid->rdir; + + err = mutex_lock_interruptible(&rdir->mutex); + while (err == 0) { + if (rdir->tail == rdir->head) { + err = v9fs_file_readn(filp, rdir->buf, NULL, + buflen, filp->f_pos); + if (err <= 0) + goto unlock_and_exit; + + rdir->head = 0; + rdir->tail = err; + } + + while (rdir->head < rdir->tail) { + err = p9stat_read(rdir->buf + rdir->head, + buflen - rdir->head, &st, + fid->clnt->dotu); if (err) { P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err); err = -EIO; p9stat_free(&st); - goto free_and_exit; + goto unlock_and_exit; } - - i += st.size+2; - fid->rdir_fpos += st.size+2; + reclen = st.size+2; over = filldir(dirent, st.name, strlen(st.name), filp->f_pos, v9fs_qid2ino(&st.qid), dt_type(&st)); - filp->f_pos += st.size+2; - p9stat_free(&st); if (over) { err = 0; - goto free_and_exit; + goto unlock_and_exit; } + rdir->head += reclen; + filp->f_pos += reclen; } } -free_and_exit: - kfree(statbuf); +unlock_and_exit: + mutex_unlock(&rdir->mutex); +exit: return err; } diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 5947628..18f74ec 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -994,8 +994,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen) P9_DPRINTK(P9_DEBUG_VFS, "%s -> %s (%s)\n", dentry->d_name.name, st->extension, buffer); - retval = buflen; - + retval = strnlen(buffer, buflen); done: kfree(st); return retval; @@ -1062,7 +1061,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd) __putname(link); link = ERR_PTR(len); } else - link[len] = 0; + link[min(len, PATH_MAX-1)] = 0; } nd_set_link(nd, link); @@ -325,8 +325,16 @@ static void bio_fs_destructor(struct bio *bio) * @gfp_mask: allocation mask to use * @nr_iovecs: number of iovecs * - * Allocate a new bio with @nr_iovecs bvecs. If @gfp_mask - * contains __GFP_WAIT, the allocation is guaranteed to succeed. + * bio_alloc will allocate a bio and associated bio_vec array that can hold + * at least @nr_iovecs entries. Allocations will be done from the + * fs_bio_set. Also see @bio_alloc_bioset and @bio_kmalloc. + * + * If %__GFP_WAIT is set, then bio_alloc will always be able to allocate + * a bio. This is due to the mempool guarantees. To make this work, callers + * must never allocate more than 1 bio at a time from this pool. Callers + * that need to allocate more than 1 bio must always submit the previously + * allocated bio for IO before attempting to allocate a new one. Failure to + * do so can cause livelocks under memory pressure. * * RETURNS: * Pointer to new bio on success, NULL on failure. @@ -350,21 +358,13 @@ static void bio_kmalloc_destructor(struct bio *bio) } /** - * bio_alloc - allocate a bio for I/O + * bio_kmalloc - allocate a bio for I/O using kmalloc() * @gfp_mask: the GFP_ mask given to the slab allocator * @nr_iovecs: number of iovecs to pre-allocate * * Description: - * bio_alloc will allocate a bio and associated bio_vec array that can hold - * at least @nr_iovecs entries. Allocations will be done from the - * fs_bio_set. Also see @bio_alloc_bioset. - * - * If %__GFP_WAIT is set, then bio_alloc will always be able to allocate - * a bio. This is due to the mempool guarantees. To make this work, callers - * must never allocate more than 1 bio at a time from this pool. Callers - * that need to allocate more than 1 bio must always submit the previously - * allocated bio for IO before attempting to allocate a new one. Failure to - * do so can cause livelocks under memory pressure. + * Allocate a new bio with @nr_iovecs bvecs. If @gfp_mask contains + * %__GFP_WAIT, the allocation is guaranteed to succeed. * **/ struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs) @@ -407,7 +407,7 @@ EXPORT_SYMBOL(zero_fill_bio); * * Description: * Put a reference to a &struct bio, either one you have gotten with - * bio_alloc or bio_get. The last put of a bio will free it. + * bio_alloc, bio_get or bio_clone. The last put of a bio will free it. **/ void bio_put(struct bio *bio) { diff --git a/fs/compat.c b/fs/compat.c index d576b55..6c19040 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1532,6 +1532,8 @@ int compat_do_execve(char * filename, if (retval < 0) goto out; + current->stack_start = current->mm->start_stack; + /* execve succeeded */ current->fs->in_exec = 0; current->in_execve = 0; diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 984ca0c..00d153f 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -743,6 +743,7 @@ struct ext4_inode_info { #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */ #define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */ #define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */ +#define EXT4_MOUNT_JOURNAL_CHECKSUM 0x800000 /* Journal checksums */ #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */ #define EXT4_MOUNT_I_VERSION 0x2000000 /* i_version support */ #define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */ diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 312211e..d4ca92a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1300,9 +1300,11 @@ static int parse_options(char *options, struct super_block *sb, *journal_devnum = option; break; case Opt_journal_checksum: - break; /* Kept for backwards compatibility */ + set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM); + break; case Opt_journal_async_commit: set_opt(sbi->s_mount_opt, JOURNAL_ASYNC_COMMIT); + set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM); break; case Opt_noload: set_opt(sbi->s_mount_opt, NOLOAD); @@ -2759,14 +2761,20 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) goto failed_mount4; } - jbd2_journal_set_features(sbi->s_journal, - JBD2_FEATURE_COMPAT_CHECKSUM, 0, 0); - if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) - jbd2_journal_set_features(sbi->s_journal, 0, 0, + if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { + jbd2_journal_set_features(sbi->s_journal, + JBD2_FEATURE_COMPAT_CHECKSUM, 0, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); - else + } else if (test_opt(sb, JOURNAL_CHECKSUM)) { + jbd2_journal_set_features(sbi->s_journal, + JBD2_FEATURE_COMPAT_CHECKSUM, 0, 0); jbd2_journal_clear_features(sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); + } else { + jbd2_journal_clear_features(sbi->s_journal, + JBD2_FEATURE_COMPAT_CHECKSUM, 0, + JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT); + } /* We have now updated the journal if required, so we can * validate the data journaling mode. */ diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index 5941958..84c2538 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -87,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, brelse(bh); BUG(); } + memset(bh->b_data, 0, 1 << inode->i_blkbits); bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev; bh->b_blocknr = blocknr; set_buffer_mapped(bh); @@ -276,8 +277,7 @@ void nilfs_btnode_commit_change_key(struct address_space *btnc, "invalid oldkey %lld (newkey=%lld)", (unsigned long long)oldkey, (unsigned long long)newkey); - if (!test_set_buffer_dirty(obh) && TestSetPageDirty(opage)) - BUG(); + nilfs_btnode_mark_dirty(obh); spin_lock_irq(&btnc->tree_lock); radix_tree_delete(&btnc->page_tree, oldkey); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 683df89..6eff66a 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2468,17 +2468,22 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci, /* Clear requests (even when the construction failed) */ spin_lock(&sci->sc_state_lock); - sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; - if (req->mode == SC_LSEG_SR) { + sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; sci->sc_seq_done = req->seq_accepted; nilfs_segctor_wakeup(sci, req->sc_err ? : req->sb_err); sci->sc_flush_request = 0; - } else if (req->mode == SC_FLUSH_FILE) - sci->sc_flush_request &= ~FLUSH_FILE_BIT; - else if (req->mode == SC_FLUSH_DAT) - sci->sc_flush_request &= ~FLUSH_DAT_BIT; + } else { + if (req->mode == SC_FLUSH_FILE) + sci->sc_flush_request &= ~FLUSH_FILE_BIT; + else if (req->mode == SC_FLUSH_DAT) + sci->sc_flush_request &= ~FLUSH_DAT_BIT; + /* re-enable timer if checkpoint creation was not done */ + if (sci->sc_timer && (sci->sc_state & NILFS_SEGCTOR_COMMIT) && + time_before(jiffies, sci->sc_timer->expires)) + add_timer(sci->sc_timer); + } spin_unlock(&sci->sc_state_lock); } diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 5fad489..e020183 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -21,6 +21,7 @@ #include <linux/completion.h> #include <linux/mutex.h> #include <linux/slab.h> +#include <linux/security.h> #include "sysfs.h" DEFINE_MUTEX(sysfs_mutex); @@ -285,6 +286,9 @@ void release_sysfs_dirent(struct sysfs_dirent * sd) sysfs_put(sd->s_symlink.target_sd); if (sysfs_type(sd) & SYSFS_COPY_NAME) kfree(sd->s_name); + if (sd->s_iattr && sd->s_iattr->ia_secdata) + security_release_secctx(sd->s_iattr->ia_secdata, + sd->s_iattr->ia_secdata_len); kfree(sd->s_iattr); sysfs_free_ino(sd->s_ino); kmem_cache_free(sysfs_dir_cachep, sd); diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c index 9e41f91..3d4a0c8 100644 --- a/fs/xfs/linux-2.6/xfs_quotaops.c +++ b/fs/xfs/linux-2.6/xfs_quotaops.c @@ -80,7 +80,7 @@ xfs_fs_set_xstate( if (sb->s_flags & MS_RDONLY) return -EROFS; - if (!XFS_IS_QUOTA_RUNNING(mp)) + if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp)) return -ENOSYS; if (!capable(CAP_SYS_ADMIN)) return -EPERM; diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index ab64f3e..0785797 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -880,6 +880,7 @@ nextag: * Not in range - save last search * location and allocate a new inode */ + xfs_btree_del_cursor(tcur, XFS_BTREE_NOERROR); pag->pagl_leftrec = trec.ir_startino; pag->pagl_rightrec = rec.ir_startino; pag->pagl_pagino = pagino; diff --git a/include/linux/device.h b/include/linux/device.h index aca31bf..2ea3e49 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -124,7 +124,9 @@ struct device_driver { struct bus_type *bus; struct module *owner; - const char *mod_name; /* used for built-in modules */ + const char *mod_name; /* used for built-in modules */ + + bool suppress_bind_attrs; /* disables bind/unbind via sysfs */ int (*probe) (struct device *dev); int (*remove) (struct device *dev); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 2e6d95f..9e70126 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -471,8 +471,8 @@ struct hw_perf_event { unsigned long event_base; int idx; }; - union { /* software */ - atomic64_t count; + struct { /* software */ + s64 remaining; struct hrtimer hrtimer; }; }; diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index df7b23a..bcdd660 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -354,8 +354,8 @@ struct sk_buff { ipvs_property:1, peeked:1, nf_trace:1; + __be16 protocol:16; kmemcheck_bitfield_end(flags1); - __be16 protocol; void (*destructor)(struct sk_buff *skb); #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) @@ -367,7 +367,6 @@ struct sk_buff { #endif int iif; - __u16 queue_mapping; #ifdef CONFIG_NET_SCHED __u16 tc_index; /* traffic control index */ #ifdef CONFIG_NET_CLS_ACT @@ -376,6 +375,7 @@ struct sk_buff { #endif kmemcheck_bitfield_begin(flags2); + __u16 queue_mapping:16; #ifdef CONFIG_IPV6_NDISC_NODETYPE __u8 ndisc_nodetype:2; #endif @@ -1757,6 +1757,8 @@ extern int skb_copy_datagram_const_iovec(const struct sk_buff *from, int to_offset, int size); extern void skb_free_datagram(struct sock *sk, struct sk_buff *skb); +extern void skb_free_datagram_locked(struct sock *sk, + struct sk_buff *skb); extern int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags); extern __wsum skb_checksum(const struct sk_buff *skb, int offset, diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index c134dd1..09077f6 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -7,7 +7,7 @@ /* * Trace sequences are used to allow a function to call several other functions - * to create a string of data to use (up to a max of PAGE_SIZE. + * to create a string of data to use (up to a max of PAGE_SIZE). */ struct trace_seq { diff --git a/include/net/9p/client.h b/include/net/9p/client.h index e268122..fb00b32 100644 --- a/include/net/9p/client.h +++ b/include/net/9p/client.h @@ -159,8 +159,7 @@ struct p9_client { * @qid: the &p9_qid server identifier this handle points to * @iounit: the server reported maximum transaction size for this file * @uid: the numeric uid of the local user who owns this handle - * @aux: transport specific information (unused?) - * @rdir_fpos: tracks offset of file position when reading directory contents + * @rdir: readdir accounting structure (allocated on demand) * @flist: per-client-instance fid tracking * @dlist: per-dentry fid tracking * @@ -174,9 +173,9 @@ struct p9_fid { struct p9_qid qid; u32 iounit; uid_t uid; - void *aux; - int rdir_fpos; + void *rdir; + struct list_head flist; struct list_head dlist; /* list of all fids attached to a dentry */ }; diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index ef91fe9..4d22fab 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -210,7 +210,8 @@ extern struct fib_table *fib_get_table(struct net *net, u32 id); extern const struct nla_policy rtm_ipv4_policy[]; extern void ip_fib_init(void); extern int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif, - struct net_device *dev, __be32 *spec_dst, u32 *itag); + struct net_device *dev, __be32 *spec_dst, + u32 *itag, u32 mark); extern void fib_select_default(struct net *net, const struct flowi *flp, struct fib_result *res); diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h index d696a69..e0f6feb 100644 --- a/include/pcmcia/ss.h +++ b/include/pcmcia/ss.h @@ -262,6 +262,8 @@ struct pcmcia_socket { struct device dev; /* data internal to the socket driver */ void *driver_data; + /* status of the card during resume from a system sleep state */ + int resume_status; }; @@ -280,6 +282,8 @@ extern struct pccard_resource_ops pccard_nonstatic_ops; /* socket drivers are expected to use these callbacks in their .drv struct */ extern int pcmcia_socket_dev_suspend(struct device *dev); +extern void pcmcia_socket_dev_early_resume(struct device *dev); +extern void pcmcia_socket_dev_late_resume(struct device *dev); extern int pcmcia_socket_dev_resume(struct device *dev); /* socket drivers use this callback in their IRQ handler */ diff --git a/kernel/fork.c b/kernel/fork.c index 4c20fff..166b8c4 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -91,7 +91,7 @@ int nr_processes(void) int cpu; int total = 0; - for_each_online_cpu(cpu) + for_each_possible_cpu(cpu) total += per_cpu(process_counts, cpu); return total; diff --git a/kernel/futex.c b/kernel/futex.c index 642f3bb..fb65e82 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2127,7 +2127,7 @@ int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb, plist_del(&q->list, &q->list.plist); /* Handle spurious wakeups gracefully */ - ret = -EAGAIN; + ret = -EWOULDBLOCK; if (timeout && !timeout->task) ret = -ETIMEDOUT; else if (signal_pending(current)) @@ -2208,7 +2208,6 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, int fshared, debug_rt_mutex_init_waiter(&rt_waiter); rt_waiter.task = NULL; -retry: key2 = FUTEX_KEY_INIT; ret = get_futex_key(uaddr2, fshared, &key2, VERIFY_WRITE); if (unlikely(ret != 0)) @@ -2303,9 +2302,6 @@ out_put_keys: out_key2: put_futex_key(fshared, &key2); - /* Spurious wakeup ? */ - if (ret == -EAGAIN) - goto retry; out: if (to) { hrtimer_cancel(&to->timer); diff --git a/kernel/kthread.c b/kernel/kthread.c index 5fe7099..ab7ae57 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -150,29 +150,6 @@ struct task_struct *kthread_create(int (*threadfn)(void *data), EXPORT_SYMBOL(kthread_create); /** - * kthread_bind - bind a just-created kthread to a cpu. - * @k: thread created by kthread_create(). - * @cpu: cpu (might not be online, must be possible) for @k to run on. - * - * Description: This function is equivalent to set_cpus_allowed(), - * except that @cpu doesn't need to be online, and the thread must be - * stopped (i.e., just returned from kthread_create()). - */ -void kthread_bind(struct task_struct *k, unsigned int cpu) -{ - /* Must have done schedule() in kthread() before we set_task_cpu */ - if (!wait_task_inactive(k, TASK_UNINTERRUPTIBLE)) { - WARN_ON(1); - return; - } - set_task_cpu(k, cpu); - k->cpus_allowed = cpumask_of_cpu(cpu); - k->rt.nr_cpus_allowed = 1; - k->flags |= PF_THREAD_BOUND; -} -EXPORT_SYMBOL(kthread_bind); - -/** * kthread_stop - stop a thread created by kthread_create(). * @k: thread created by kthread_create(). * diff --git a/kernel/perf_event.c b/kernel/perf_event.c index afb7ef3d..7f29643 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -3959,8 +3959,9 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer) regs = task_pt_regs(current); if (regs) { - if (perf_event_overflow(event, 0, &data, regs)) - ret = HRTIMER_NORESTART; + if (!(event->attr.exclude_idle && current->pid == 0)) + if (perf_event_overflow(event, 0, &data, regs)) + ret = HRTIMER_NORESTART; } period = max_t(u64, 10000, event->hw.sample_period); @@ -3969,6 +3970,42 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer) return ret; } +static void perf_swevent_start_hrtimer(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hwc->hrtimer.function = perf_swevent_hrtimer; + if (hwc->sample_period) { + u64 period; + + if (hwc->remaining) { + if (hwc->remaining < 0) + period = 10000; + else + period = hwc->remaining; + hwc->remaining = 0; + } else { + period = max_t(u64, 10000, hwc->sample_period); + } + __hrtimer_start_range_ns(&hwc->hrtimer, + ns_to_ktime(period), 0, + HRTIMER_MODE_REL, 0); + } +} + +static void perf_swevent_cancel_hrtimer(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + if (hwc->sample_period) { + ktime_t remaining = hrtimer_get_remaining(&hwc->hrtimer); + hwc->remaining = ktime_to_ns(remaining); + + hrtimer_cancel(&hwc->hrtimer); + } +} + /* * Software event: cpu wall time clock */ @@ -3991,22 +4028,14 @@ static int cpu_clock_perf_event_enable(struct perf_event *event) int cpu = raw_smp_processor_id(); atomic64_set(&hwc->prev_count, cpu_clock(cpu)); - hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - hwc->hrtimer.function = perf_swevent_hrtimer; - if (hwc->sample_period) { - u64 period = max_t(u64, 10000, hwc->sample_period); - __hrtimer_start_range_ns(&hwc->hrtimer, - ns_to_ktime(period), 0, - HRTIMER_MODE_REL, 0); - } + perf_swevent_start_hrtimer(event); return 0; } static void cpu_clock_perf_event_disable(struct perf_event *event) { - if (event->hw.sample_period) - hrtimer_cancel(&event->hw.hrtimer); + perf_swevent_cancel_hrtimer(event); cpu_clock_perf_event_update(event); } @@ -4043,22 +4072,15 @@ static int task_clock_perf_event_enable(struct perf_event *event) now = event->ctx->time; atomic64_set(&hwc->prev_count, now); - hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - hwc->hrtimer.function = perf_swevent_hrtimer; - if (hwc->sample_period) { - u64 period = max_t(u64, 10000, hwc->sample_period); - __hrtimer_start_range_ns(&hwc->hrtimer, - ns_to_ktime(period), 0, - HRTIMER_MODE_REL, 0); - } + + perf_swevent_start_hrtimer(event); return 0; } static void task_clock_perf_event_disable(struct perf_event *event) { - if (event->hw.sample_period) - hrtimer_cancel(&event->hw.hrtimer); + perf_swevent_cancel_hrtimer(event); task_clock_perf_event_update(event, event->ctx->time); } diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 04b3a83..04a9e90 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -693,21 +693,22 @@ static int software_resume(void) /* The snapshot device should not be opened while we're running */ if (!atomic_add_unless(&snapshot_device_available, -1, 0)) { error = -EBUSY; + swsusp_close(FMODE_READ); goto Unlock; } pm_prepare_console(); error = pm_notifier_call_chain(PM_RESTORE_PREPARE); if (error) - goto Finish; + goto close_finish; error = usermodehelper_disable(); if (error) - goto Finish; + goto close_finish; error = create_basic_memory_bitmaps(); if (error) - goto Finish; + goto close_finish; pr_debug("PM: Preparing processes for restore.\n"); error = prepare_processes(); @@ -719,6 +720,7 @@ static int software_resume(void) pr_debug("PM: Reading hibernation image.\n"); error = swsusp_read(&flags); + swsusp_close(FMODE_READ); if (!error) hibernation_restore(flags & SF_PLATFORM_MODE); @@ -737,6 +739,9 @@ static int software_resume(void) mutex_unlock(&pm_mutex); pr_debug("PM: Resume from disk failed.\n"); return error; +close_finish: + swsusp_close(FMODE_READ); + goto Finish; } late_initcall(software_resume); diff --git a/kernel/power/swap.c b/kernel/power/swap.c index b101cdc..890f6b1 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -314,7 +314,6 @@ static int save_image(struct swap_map_handle *handle, { unsigned int m; int ret; - int error = 0; int nr_pages; int err2; struct bio *bio; @@ -329,26 +328,27 @@ static int save_image(struct swap_map_handle *handle, nr_pages = 0; bio = NULL; do_gettimeofday(&start); - do { + while (1) { ret = snapshot_read_next(snapshot, PAGE_SIZE); - if (ret > 0) { - error = swap_write_page(handle, data_of(*snapshot), - &bio); - if (error) - break; - if (!(nr_pages % m)) - printk("\b\b\b\b%3d%%", nr_pages / m); - nr_pages++; - } - } while (ret > 0); + if (ret <= 0) + break; + ret = swap_write_page(handle, data_of(*snapshot), &bio); + if (ret) + break; + if (!(nr_pages % m)) + printk("\b\b\b\b%3d%%", nr_pages / m); + nr_pages++; + } err2 = wait_on_bio_chain(&bio); do_gettimeofday(&stop); - if (!error) - error = err2; - if (!error) + if (!ret) + ret = err2; + if (!ret) printk("\b\b\b\bdone\n"); + else + printk("\n"); swsusp_show_speed(&start, &stop, nr_to_write, "Wrote"); - return error; + return ret; } /** @@ -536,7 +536,8 @@ static int load_image(struct swap_map_handle *handle, snapshot_write_finalize(snapshot); if (!snapshot_image_loaded(snapshot)) error = -ENODATA; - } + } else + printk("\n"); swsusp_show_speed(&start, &stop, nr_to_read, "Read"); return error; } @@ -572,8 +573,6 @@ int swsusp_read(unsigned int *flags_p) error = load_image(&handle, &snapshot, header->pages - 1); release_swap_reader(&handle); - blkdev_put(resume_bdev, FMODE_READ); - if (!error) pr_debug("PM: Image successfully loaded\n"); else @@ -596,7 +595,7 @@ int swsusp_check(void) error = bio_read_page(swsusp_resume_block, swsusp_header, NULL); if (error) - return error; + goto put; if (!memcmp(SWSUSP_SIG, swsusp_header->sig, 10)) { memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); @@ -604,8 +603,10 @@ int swsusp_check(void) error = bio_write_page(swsusp_resume_block, swsusp_header, NULL); } else { - return -EINVAL; + error = -EINVAL; } + +put: if (error) blkdev_put(resume_bdev, FMODE_READ); else diff --git a/kernel/sched.c b/kernel/sched.c index a455dca..28dd4f4 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1992,6 +1992,38 @@ static inline void check_class_changed(struct rq *rq, struct task_struct *p, p->sched_class->prio_changed(rq, p, oldprio, running); } +/** + * kthread_bind - bind a just-created kthread to a cpu. + * @k: thread created by kthread_create(). + * @cpu: cpu (might not be online, must be possible) for @k to run on. + * + * Description: This function is equivalent to set_cpus_allowed(), + * except that @cpu doesn't need to be online, and the thread must be + * stopped (i.e., just returned from kthread_create()). + * + * Function lives here instead of kthread.c because it messes with + * scheduler internals which require locking. + */ +void kthread_bind(struct task_struct *p, unsigned int cpu) +{ + struct rq *rq = cpu_rq(cpu); + unsigned long flags; + + /* Must have done schedule() in kthread() before we set_task_cpu */ + if (!wait_task_inactive(p, TASK_UNINTERRUPTIBLE)) { + WARN_ON(1); + return; + } + + spin_lock_irqsave(&rq->lock, flags); + set_task_cpu(p, cpu); + p->cpus_allowed = cpumask_of_cpu(cpu); + p->rt.nr_cpus_allowed = 1; + p->flags |= PF_THREAD_BOUND; + spin_unlock_irqrestore(&rq->lock, flags); +} +EXPORT_SYMBOL(kthread_bind); + #ifdef CONFIG_SMP /* * Is this task likely cache-hot: @@ -2004,7 +2036,7 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd) /* * Buddy candidates are cache hot: */ - if (sched_feat(CACHE_HOT_BUDDY) && + if (sched_feat(CACHE_HOT_BUDDY) && this_rq()->nr_running && (&p->se == cfs_rq_of(&p->se)->next || &p->se == cfs_rq_of(&p->se)->last)) return 1; @@ -9532,13 +9564,13 @@ void __init sched_init(void) current->sched_class = &fair_sched_class; /* Allocate the nohz_cpu_mask if CONFIG_CPUMASK_OFFSTACK */ - alloc_cpumask_var(&nohz_cpu_mask, GFP_NOWAIT); + zalloc_cpumask_var(&nohz_cpu_mask, GFP_NOWAIT); #ifdef CONFIG_SMP #ifdef CONFIG_NO_HZ - alloc_cpumask_var(&nohz.cpu_mask, GFP_NOWAIT); + zalloc_cpumask_var(&nohz.cpu_mask, GFP_NOWAIT); alloc_cpumask_var(&nohz.ilb_grp_nohz_mask, GFP_NOWAIT); #endif - alloc_cpumask_var(&cpu_isolated_map, GFP_NOWAIT); + zalloc_cpumask_var(&cpu_isolated_map, GFP_NOWAIT); #endif /* SMP */ perf_event_init(); diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index c32c3e6..37087a7 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -822,6 +822,26 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) * re-elected due to buddy favours. */ clear_buddies(cfs_rq, curr); + return; + } + + /* + * Ensure that a task that missed wakeup preemption by a + * narrow margin doesn't have to wait for a full slice. + * This also mitigates buddy induced latencies under load. + */ + if (!sched_feat(WAKEUP_PREEMPT)) + return; + + if (delta_exec < sysctl_sched_min_granularity) + return; + + if (cfs_rq->nr_running > 1) { + struct sched_entity *se = __pick_next_entity(cfs_rq); + s64 delta = curr->vruntime - se->vruntime; + + if (delta > ideal_runtime) + resched_task(rq_of(cfs_rq)->curr); } } @@ -861,21 +881,18 @@ wakeup_preempt_entity(struct sched_entity *curr, struct sched_entity *se); static struct sched_entity *pick_next_entity(struct cfs_rq *cfs_rq) { struct sched_entity *se = __pick_next_entity(cfs_rq); - struct sched_entity *buddy; + struct sched_entity *left = se; - if (cfs_rq->next) { - buddy = cfs_rq->next; - cfs_rq->next = NULL; - if (wakeup_preempt_entity(buddy, se) < 1) - return buddy; - } + if (cfs_rq->next && wakeup_preempt_entity(cfs_rq->next, left) < 1) + se = cfs_rq->next; - if (cfs_rq->last) { - buddy = cfs_rq->last; - cfs_rq->last = NULL; - if (wakeup_preempt_entity(buddy, se) < 1) - return buddy; - } + /* + * Prefer last buddy, try to return the CPU to a preempted task. + */ + if (cfs_rq->last && wakeup_preempt_entity(cfs_rq->last, left) < 1) + se = cfs_rq->last; + + clear_buddies(cfs_rq, se); return se; } @@ -1577,6 +1594,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_ struct sched_entity *se = &curr->se, *pse = &p->se; struct cfs_rq *cfs_rq = task_cfs_rq(curr); int sync = wake_flags & WF_SYNC; + int scale = cfs_rq->nr_running >= sched_nr_latency; update_curr(cfs_rq); @@ -1591,18 +1609,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_ if (unlikely(se == pse)) return; - /* - * Only set the backward buddy when the current task is still on the - * rq. This can happen when a wakeup gets interleaved with schedule on - * the ->pre_schedule() or idle_balance() point, either of which can - * drop the rq lock. - * - * Also, during early boot the idle thread is in the fair class, for - * obvious reasons its a bad idea to schedule back to the idle thread. - */ - if (sched_feat(LAST_BUDDY) && likely(se->on_rq && curr != rq->idle)) - set_last_buddy(se); - if (sched_feat(NEXT_BUDDY) && !(wake_flags & WF_FORK)) + if (sched_feat(NEXT_BUDDY) && scale && !(wake_flags & WF_FORK)) set_next_buddy(pse); /* @@ -1648,8 +1655,22 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_ BUG_ON(!pse); - if (wakeup_preempt_entity(se, pse) == 1) + if (wakeup_preempt_entity(se, pse) == 1) { resched_task(curr); + /* + * Only set the backward buddy when the current task is still + * on the rq. This can happen when a wakeup gets interleaved + * with schedule on the ->pre_schedule() or idle_balance() + * point, either of which can * drop the rq lock. + * + * Also, during early boot the idle thread is in the fair class, + * for obvious reasons its a bad idea to schedule back to it. + */ + if (unlikely(!se->on_rq || curr == rq->idle)) + return; + if (sched_feat(LAST_BUDDY) && scale && entity_is_task(se)) + set_last_buddy(se); + } } static struct task_struct *pick_next_task_fair(struct rq *rq) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 37ba67e..6dc4e5e 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -740,7 +740,7 @@ ftrace_profile_write(struct file *filp, const char __user *ubuf, out: mutex_unlock(&ftrace_profile_lock); - filp->f_pos += cnt; + *ppos += cnt; return cnt; } @@ -2222,15 +2222,15 @@ ftrace_regex_write(struct file *file, const char __user *ubuf, ret = ftrace_process_regex(parser->buffer, parser->idx, enable); if (ret) - goto out; + goto out_unlock; trace_parser_clear(parser); } ret = read; - +out_unlock: mutex_unlock(&ftrace_regex_lock); -out: + return ret; } diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index d4ff019..5dd017f 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -483,7 +483,7 @@ struct ring_buffer_iter { /* Up this if you want to test the TIME_EXTENTS and normalization */ #define DEBUG_SHIFT 0 -static inline u64 rb_time_stamp(struct ring_buffer *buffer, int cpu) +static inline u64 rb_time_stamp(struct ring_buffer *buffer) { /* shift to debug/test normalization and TIME_EXTENTS */ return buffer->clock() << DEBUG_SHIFT; @@ -494,7 +494,7 @@ u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu) u64 time; preempt_disable_notrace(); - time = rb_time_stamp(buffer, cpu); + time = rb_time_stamp(buffer); preempt_enable_no_resched_notrace(); return time; @@ -599,7 +599,7 @@ static struct list_head *rb_list_head(struct list_head *list) } /* - * rb_is_head_page - test if the give page is the head page + * rb_is_head_page - test if the given page is the head page * * Because the reader may move the head_page pointer, we can * not trust what the head page is (it may be pointing to @@ -1193,6 +1193,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages) atomic_inc(&cpu_buffer->record_disabled); synchronize_sched(); + spin_lock_irq(&cpu_buffer->reader_lock); rb_head_page_deactivate(cpu_buffer); for (i = 0; i < nr_pages; i++) { @@ -1207,6 +1208,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages) return; rb_reset_cpu(cpu_buffer); + spin_unlock_irq(&cpu_buffer->reader_lock); rb_check_pages(cpu_buffer); @@ -1868,7 +1870,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, * Nested commits always have zero deltas, so * just reread the time stamp */ - *ts = rb_time_stamp(buffer, cpu_buffer->cpu); + *ts = rb_time_stamp(buffer); next_page->page->time_stamp = *ts; } @@ -2111,7 +2113,7 @@ rb_reserve_next_event(struct ring_buffer *buffer, if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000)) goto out_fail; - ts = rb_time_stamp(cpu_buffer->buffer, cpu_buffer->cpu); + ts = rb_time_stamp(cpu_buffer->buffer); /* * Only the first commit can update the timestamp. @@ -2681,7 +2683,7 @@ unsigned long ring_buffer_entries(struct ring_buffer *buffer) EXPORT_SYMBOL_GPL(ring_buffer_entries); /** - * ring_buffer_overrun_cpu - get the number of overruns in buffer + * ring_buffer_overruns - get the number of overruns in buffer * @buffer: The ring buffer * * Returns the total number of overruns in the ring buffer diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index c820b03..b20d3ec 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2440,7 +2440,7 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf, return ret; } - filp->f_pos += cnt; + *ppos += cnt; return cnt; } @@ -2582,7 +2582,7 @@ tracing_ctrl_write(struct file *filp, const char __user *ubuf, } mutex_unlock(&trace_types_lock); - filp->f_pos += cnt; + *ppos += cnt; return cnt; } @@ -2764,7 +2764,7 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf, if (err) return err; - filp->f_pos += ret; + *ppos += ret; return ret; } @@ -3299,7 +3299,7 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, } } - filp->f_pos += cnt; + *ppos += cnt; /* If check pages failed, return ENOMEM */ if (tracing_disabled) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index ed17565..b6c12c6 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -69,6 +69,9 @@ enum print_line_t trace_print_printk_msg_only(struct trace_iterator *iter) * @s: trace sequence descriptor * @fmt: printf format string * + * It returns 0 if the trace oversizes the buffer's free + * space, 1 otherwise. + * * The tracer may use either sequence operations or its own * copy to user routines. To simplify formating of a trace * trace_seq_printf is used to store strings into a special @@ -95,7 +98,7 @@ trace_seq_printf(struct trace_seq *s, const char *fmt, ...) s->len += ret; - return len; + return 1; } EXPORT_SYMBOL_GPL(trace_seq_printf); diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 58a9f9f..ce6b7ea 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -819,9 +819,11 @@ static void check_unmap(struct dma_debug_entry *ref) err_printk(ref->dev, entry, "DMA-API: device driver frees " "DMA memory with different CPU address " "[device address=0x%016llx] [size=%llu bytes] " - "[cpu alloc address=%p] [cpu free address=%p]", + "[cpu alloc address=0x%016llx] " + "[cpu free address=0x%016llx]", ref->dev_addr, ref->size, - (void *)entry->paddr, (void *)ref->paddr); + (unsigned long long)entry->paddr, + (unsigned long long)ref->paddr); } if (ref->sg_call_ents && ref->type == dma_debug_sg && diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 1065b71..11aee09 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -628,6 +628,8 @@ static void bdi_prune_sb(struct backing_dev_info *bdi) void bdi_unregister(struct backing_dev_info *bdi) { if (bdi->dev) { + bdi_prune_sb(bdi); + if (!bdi_cap_flush_forker(bdi)) bdi_wb_shutdown(bdi); bdi_debug_unregister(bdi); @@ -697,7 +699,6 @@ void bdi_destroy(struct backing_dev_info *bdi) spin_unlock(&inode_lock); } - bdi_prune_sb(bdi); bdi_unregister(bdi); for (i = 0; i < NR_BDI_STAT_ITEMS; i++) @@ -1362,9 +1362,11 @@ share: error_just_free: up_write(&nommu_region_sem); error: - fput(region->vm_file); + if (region->vm_file) + fput(region->vm_file); kmem_cache_free(vm_region_jar, region); - fput(vma->vm_file); + if (vma->vm_file) + fput(vma->vm_file); if (vma->vm_flags & VM_EXECUTABLE) removed_exe_file_vma(vma->vm_mm); kmem_cache_free(vm_area_cachep, vma); diff --git a/mm/swapfile.c b/mm/swapfile.c index a1bc6b9..9c590ee 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1151,8 +1151,7 @@ static int try_to_unuse(unsigned int type) } else retval = unuse_mm(mm, entry, page); - if (set_start_mm && - swap_count(*swap_map) < swcount) { + if (set_start_mm && *swap_map < swcount) { mmput(new_start_mm); atomic_inc(&mm->mm_users); new_start_mm = mm; diff --git a/net/9p/client.c b/net/9p/client.c index 5bf5f22..8af95b2 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -582,11 +582,9 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt) memset(&fid->qid, 0, sizeof(struct p9_qid)); fid->mode = -1; - fid->rdir_fpos = 0; fid->uid = current_fsuid(); fid->clnt = clnt; - fid->aux = NULL; - + fid->rdir = NULL; spin_lock_irqsave(&clnt->lock, flags); list_add(&fid->flist, &clnt->fidlist); spin_unlock_irqrestore(&clnt->lock, flags); @@ -609,6 +607,7 @@ static void p9_fid_destroy(struct p9_fid *fid) spin_lock_irqsave(&clnt->lock, flags); list_del(&fid->flist); spin_unlock_irqrestore(&clnt->lock, flags); + kfree(fid->rdir); kfree(fid); } diff --git a/net/core/datagram.c b/net/core/datagram.c index 1c6cf3a..4ade301 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -224,6 +224,15 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb) consume_skb(skb); sk_mem_reclaim_partial(sk); } +EXPORT_SYMBOL(skb_free_datagram); + +void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb) +{ + lock_sock(sk); + skb_free_datagram(sk, skb); + release_sock(sk); +} +EXPORT_SYMBOL(skb_free_datagram_locked); /** * skb_kill_datagram - Free a datagram skbuff forcibly @@ -752,5 +761,4 @@ unsigned int datagram_poll(struct file *file, struct socket *sock, EXPORT_SYMBOL(datagram_poll); EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec); EXPORT_SYMBOL(skb_copy_datagram_iovec); -EXPORT_SYMBOL(skb_free_datagram); EXPORT_SYMBOL(skb_recv_datagram); diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index e2f9505..aa00398 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -229,14 +229,17 @@ unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev, */ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif, - struct net_device *dev, __be32 *spec_dst, u32 *itag) + struct net_device *dev, __be32 *spec_dst, + u32 *itag, u32 mark) { struct in_device *in_dev; struct flowi fl = { .nl_u = { .ip4_u = { .daddr = src, .saddr = dst, .tos = tos } }, + .mark = mark, .iif = oif }; + struct fib_result res; int no_addr, rpf; int ret; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 41ada99..1433338 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1464,7 +1464,7 @@ static void ipgre_tap_setup(struct net_device *dev) ether_setup(dev); - dev->netdev_ops = &ipgre_netdev_ops; + dev->netdev_ops = &ipgre_tap_netdev_ops; dev->destructor = free_netdev; dev->iflink = 0; @@ -1525,25 +1525,29 @@ static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[], if (t->dev != dev) return -EEXIST; } else { - unsigned nflags = 0; - t = nt; - if (ipv4_is_multicast(p.iph.daddr)) - nflags = IFF_BROADCAST; - else if (p.iph.daddr) - nflags = IFF_POINTOPOINT; + if (dev->type != ARPHRD_ETHER) { + unsigned nflags = 0; - if ((dev->flags ^ nflags) & - (IFF_POINTOPOINT | IFF_BROADCAST)) - return -EINVAL; + if (ipv4_is_multicast(p.iph.daddr)) + nflags = IFF_BROADCAST; + else if (p.iph.daddr) + nflags = IFF_POINTOPOINT; + + if ((dev->flags ^ nflags) & + (IFF_POINTOPOINT | IFF_BROADCAST)) + return -EINVAL; + } ipgre_tunnel_unlink(ign, t); t->parms.iph.saddr = p.iph.saddr; t->parms.iph.daddr = p.iph.daddr; t->parms.i_key = p.i_key; - memcpy(dev->dev_addr, &p.iph.saddr, 4); - memcpy(dev->broadcast, &p.iph.daddr, 4); + if (dev->type != ARPHRD_ETHER) { + memcpy(dev->dev_addr, &p.iph.saddr, 4); + memcpy(dev->broadcast, &p.iph.daddr, 4); + } ipgre_tunnel_link(ign, t); netdev_state_change(dev); } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bb41992..5b1050a 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1854,7 +1854,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, goto e_inval; spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); } else if (fib_validate_source(saddr, 0, tos, 0, - dev, &spec_dst, &itag) < 0) + dev, &spec_dst, &itag, 0) < 0) goto e_inval; rth = dst_alloc(&ipv4_dst_ops); @@ -1967,7 +1967,7 @@ static int __mkroute_input(struct sk_buff *skb, err = fib_validate_source(saddr, daddr, tos, FIB_RES_OIF(*res), - in_dev->dev, &spec_dst, &itag); + in_dev->dev, &spec_dst, &itag, skb->mark); if (err < 0) { ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr, saddr); @@ -2141,7 +2141,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, int result; result = fib_validate_source(saddr, daddr, tos, net->loopback_dev->ifindex, - dev, &spec_dst, &itag); + dev, &spec_dst, &itag, skb->mark); if (result < 0) goto martian_source; if (result) @@ -2170,7 +2170,7 @@ brd_input: spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); else { err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst, - &itag); + &itag, skb->mark); if (err < 0) goto martian_source; if (err) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index d0d436d..0fa9f70 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -999,9 +999,7 @@ try_again: err = ulen; out_free: - lock_sock(sk); - skb_free_datagram(sk, skb); - release_sock(sk); + skb_free_datagram_locked(sk, skb); out: return err; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 3a60f12..cf538ed 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -288,9 +288,7 @@ try_again: err = ulen; out_free: - lock_sock(sk); - skb_free_datagram(sk, skb); - release_sock(sk); + skb_free_datagram_locked(sk, skb); out: return err; diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index bd765f3..b09948c 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -666,26 +666,25 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, state = &sta->ampdu_mlme.tid_state_tx[tid]; + del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer); + spin_lock_bh(&sta->lock); - if (!(*state & HT_ADDBA_REQUESTED_MSK)) { - spin_unlock_bh(&sta->lock); - return; - } + if (!(*state & HT_ADDBA_REQUESTED_MSK)) + goto timer_still_needed; if (mgmt->u.action.u.addba_resp.dialog_token != sta->ampdu_mlme.tid_tx[tid]->dialog_token) { - spin_unlock_bh(&sta->lock); #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ - return; + goto timer_still_needed; } - del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer); #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ + if (le16_to_cpu(mgmt->u.action.u.addba_resp.status) == WLAN_STATUS_SUCCESS) { u8 curstate = *state; @@ -699,5 +698,11 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, } else { ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR); } + + goto out; + + timer_still_needed: + add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer); + out: spin_unlock_bh(&sta->lock); } diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 5608f6c..7b5131b 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -72,6 +72,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy, struct ieee80211_sub_if_data *sdata; int ret; + if (netif_running(dev)) + return -EBUSY; + if (!nl80211_type_check(type)) return -EINVAL; @@ -81,9 +84,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy, if (ret) return ret; - if (netif_running(sdata->dev)) - return -EBUSY; - if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) ieee80211_sdata_set_mesh_id(sdata, params->mesh_id_len, diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 0891bfb..48ef1a2 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -153,7 +153,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, if (net_ratelimit()) printk(KERN_DEBUG "delba from %pM (%s) tid %d reason code %d\n", mgmt->sa, initiator ? "initiator" : "recipient", tid, - mgmt->u.action.u.delba.reason_code); + le16_to_cpu(mgmt->u.action.u.delba.reason_code)); #endif /* CONFIG_MAC80211_HT_DEBUG */ if (initiator == WLAN_BACK_INITIATOR) diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index ca8ecce..f1362f3 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -73,6 +73,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt; u8 *pos; struct ieee80211_supported_band *sband; + struct cfg80211_bss *bss; u32 bss_change; u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; @@ -177,8 +178,9 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, mod_timer(&ifibss->timer, round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL)); - cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel, - mgmt, skb->len, 0, GFP_KERNEL); + bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel, + mgmt, skb->len, 0, GFP_KERNEL); + cfg80211_put_bss(bss); cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL); } diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index ccc5e83..1c246a4 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -111,7 +111,7 @@ static void svc_release_skb(struct svc_rqst *rqstp) rqstp->rq_xprt_ctxt = NULL; dprintk("svc: service %p, releasing skb %p\n", rqstp, skb); - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); } } @@ -578,7 +578,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) "svc: received unknown control message %d/%d; " "dropping RPC reply datagram\n", cmh->cmsg_level, cmh->cmsg_type); - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } @@ -588,18 +588,18 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) if (csum_partial_copy_to_xdr(&rqstp->rq_arg, skb)) { local_bh_enable(); /* checksum error */ - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } local_bh_enable(); - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); } else { /* we can use it in-place */ rqstp->rq_arg.head[0].iov_base = skb->data + sizeof(struct udphdr); rqstp->rq_arg.head[0].iov_len = len; if (skb_checksum_complete(skb)) { - skb_free_datagram(svsk->sk_sk, skb); + skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } rqstp->rq_xprt_ctxt = skb; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index ece378d..9f0b280 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -165,7 +165,7 @@ void cfg80211_conn_work(struct work_struct *work) struct cfg80211_registered_device *rdev = container_of(work, struct cfg80211_registered_device, conn_work); struct wireless_dev *wdev; - u8 bssid[ETH_ALEN]; + u8 bssid_buf[ETH_ALEN], *bssid = NULL; rtnl_lock(); cfg80211_lock_rdev(rdev); @@ -181,7 +181,10 @@ void cfg80211_conn_work(struct work_struct *work) wdev_unlock(wdev); continue; } - memcpy(bssid, wdev->conn->params.bssid, ETH_ALEN); + if (wdev->conn->params.bssid) { + memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN); + bssid = bssid_buf; + } if (cfg80211_conn_do_work(wdev)) __cfg80211_connect_result( wdev->netdev, bssid, diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 0c14401..c69c60b 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -953,11 +953,12 @@ static int snd_pcm_dev_register(struct snd_device *device) struct snd_pcm_substream *substream; struct snd_pcm_notify *notify; char str[16]; - struct snd_pcm *pcm = device->device_data; + struct snd_pcm *pcm; struct device *dev; - if (snd_BUG_ON(!pcm || !device)) + if (snd_BUG_ON(!device || !device->device_data)) return -ENXIO; + pcm = device->device_data; mutex_lock(®ister_mutex); err = snd_pcm_add(pcm); if (err) { diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index 6ba066c..252e04c 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -165,7 +165,7 @@ MODULE_PARM_DESC(enable, "Enable this dummy soundcard."); module_param_array(pcm_devs, int, NULL, 0444); MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver."); module_param_array(pcm_substreams, int, NULL, 0444); -MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-16) for dummy driver."); +MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-128) for dummy driver."); //module_param_array(midi_devs, int, NULL, 0444); //MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver."); module_param(fake_buffer, bool, 0444); @@ -808,8 +808,6 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy) unsigned int idx; int err; - if (snd_BUG_ON(!dummy)) - return -EINVAL; spin_lock_init(&dummy->mixer_lock); strcpy(card->mixername, "Dummy Mixer"); diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c index 84cc265..e1145ac 100644 --- a/sound/drivers/pcsp/pcsp_lib.c +++ b/sound/drivers/pcsp/pcsp_lib.c @@ -39,25 +39,20 @@ static DECLARE_TASKLET(pcsp_pcm_tasklet, pcsp_call_pcm_elapsed, 0); /* write the port and returns the next expire time in ns; * called at the trigger-start and in hrtimer callback */ -static unsigned long pcsp_timer_update(struct hrtimer *handle) +static u64 pcsp_timer_update(struct snd_pcsp *chip) { unsigned char timer_cnt, val; u64 ns; struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; - struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer); unsigned long flags; if (chip->thalf) { outb(chip->val61, 0x61); chip->thalf = 0; - if (!atomic_read(&chip->timer_active)) - return 0; return chip->ns_rem; } - if (!atomic_read(&chip->timer_active)) - return 0; substream = chip->playback_substream; if (!substream) return 0; @@ -88,24 +83,17 @@ static unsigned long pcsp_timer_update(struct hrtimer *handle) return ns; } -enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle) +static void pcsp_pointer_update(struct snd_pcsp *chip) { - struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer); struct snd_pcm_substream *substream; - int periods_elapsed, pointer_update; size_t period_bytes, buffer_bytes; - unsigned long ns; + int periods_elapsed; unsigned long flags; - pointer_update = !chip->thalf; - ns = pcsp_timer_update(handle); - if (!ns) - return HRTIMER_NORESTART; - /* update the playback position */ substream = chip->playback_substream; if (!substream) - return HRTIMER_NORESTART; + return; period_bytes = snd_pcm_lib_period_bytes(substream); buffer_bytes = snd_pcm_lib_buffer_bytes(substream); @@ -134,6 +122,26 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle) if (periods_elapsed) tasklet_schedule(&pcsp_pcm_tasklet); +} + +enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle) +{ + struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer); + int pointer_update; + u64 ns; + + if (!atomic_read(&chip->timer_active) || !chip->playback_substream) + return HRTIMER_NORESTART; + + pointer_update = !chip->thalf; + ns = pcsp_timer_update(chip); + if (!ns) { + printk(KERN_WARNING "PCSP: unexpected stop\n"); + return HRTIMER_NORESTART; + } + + if (pointer_update) + pcsp_pointer_update(chip); hrtimer_forward(handle, hrtimer_get_expires(handle), ns_to_ktime(ns)); @@ -142,8 +150,6 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle) static int pcsp_start_playing(struct snd_pcsp *chip) { - unsigned long ns; - #if PCSP_DEBUG printk(KERN_INFO "PCSP: start_playing called\n"); #endif @@ -159,11 +165,7 @@ static int pcsp_start_playing(struct snd_pcsp *chip) atomic_set(&chip->timer_active, 1); chip->thalf = 0; - ns = pcsp_timer_update(&pcsp_chip.timer); - if (!ns) - return -EIO; - - hrtimer_start(&pcsp_chip.timer, ktime_set(0, ns), HRTIMER_MODE_REL); + hrtimer_start(&pcsp_chip.timer, ktime_set(0, 0), HRTIMER_MODE_REL); return 0; } @@ -232,21 +234,22 @@ static int snd_pcsp_playback_hw_free(struct snd_pcm_substream *substream) static int snd_pcsp_playback_prepare(struct snd_pcm_substream *substream) { struct snd_pcsp *chip = snd_pcm_substream_chip(substream); + pcsp_sync_stop(chip); + chip->playback_ptr = 0; + chip->period_ptr = 0; + chip->fmt_size = + snd_pcm_format_physical_width(substream->runtime->format) >> 3; + chip->is_signed = snd_pcm_format_signed(substream->runtime->format); #if PCSP_DEBUG printk(KERN_INFO "PCSP: prepare called, " - "size=%zi psize=%zi f=%zi f1=%i\n", + "size=%zi psize=%zi f=%zi f1=%i fsize=%i\n", snd_pcm_lib_buffer_bytes(substream), snd_pcm_lib_period_bytes(substream), snd_pcm_lib_buffer_bytes(substream) / snd_pcm_lib_period_bytes(substream), - substream->runtime->periods); + substream->runtime->periods, + chip->fmt_size); #endif - pcsp_sync_stop(chip); - chip->playback_ptr = 0; - chip->period_ptr = 0; - chip->fmt_size = - snd_pcm_format_physical_width(substream->runtime->format) >> 3; - chip->is_signed = snd_pcm_format_signed(substream->runtime->format); return 0; } diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c index 199b033..903bc84 100644 --- a/sound/drivers/pcsp/pcsp_mixer.c +++ b/sound/drivers/pcsp/pcsp_mixer.c @@ -72,7 +72,7 @@ static int pcsp_treble_put(struct snd_kcontrol *kcontrol, if (treble != chip->treble) { chip->treble = treble; #if PCSP_DEBUG - printk(KERN_INFO "PCSP: rate set to %i\n", PCSP_RATE()); + printk(KERN_INFO "PCSP: rate set to %li\n", PCSP_RATE()); #endif changed = 1; } diff --git a/sound/parisc/harmony.c b/sound/parisc/harmony.c index e924492..f47f9e2 100644 --- a/sound/parisc/harmony.c +++ b/sound/parisc/harmony.c @@ -624,6 +624,9 @@ snd_harmony_pcm_init(struct snd_harmony *h) struct snd_pcm *pcm; int err; + if (snd_BUG_ON(!h)) + return -EINVAL; + harmony_disable_interrupts(h); err = snd_pcm_new(h->card, "harmony", 0, 1, 1, &pcm); @@ -865,11 +868,12 @@ snd_harmony_mixer_reset(struct snd_harmony *h) static int __devinit snd_harmony_mixer_init(struct snd_harmony *h) { - struct snd_card *card = h->card; + struct snd_card *card; int idx, err; if (snd_BUG_ON(!h)) return -EINVAL; + card = h->card; strcpy(card->mixername, "Harmony Gain control interface"); for (idx = 0; idx < HARMONY_CONTROLS; idx++) { diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index fb5ee3c..75c602b 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -259,7 +259,6 @@ config SND_CS5530 config SND_CS5535AUDIO tristate "CS5535/CS5536 Audio" - depends on X86 && !X86_64 select SND_PCM select SND_AC97_CODEC help diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c index b458d20..aaf4da6 100644 --- a/sound/pci/ali5451/ali5451.c +++ b/sound/pci/ali5451/ali5451.c @@ -973,7 +973,7 @@ static void snd_ali_free_voice(struct snd_ali * codec, void *private_data; snd_ali_printk("free_voice: channel=%d\n",pvoice->number); - if (pvoice == NULL || !pvoice->use) + if (!pvoice->use) return; snd_ali_clear_voices(codec, pvoice->number, pvoice->number); spin_lock_irq(&codec->voice_alloc); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index c9ad182..e340792 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2674,6 +2674,7 @@ static struct pci_device_id azx_ids[] = { { PCI_DEVICE(0x10de, 0x044b), .driver_data = AZX_DRIVER_NVIDIA }, { PCI_DEVICE(0x10de, 0x055c), .driver_data = AZX_DRIVER_NVIDIA }, { PCI_DEVICE(0x10de, 0x055d), .driver_data = AZX_DRIVER_NVIDIA }, + { PCI_DEVICE(0x10de, 0x0590), .driver_data = AZX_DRIVER_NVIDIA }, { PCI_DEVICE(0x10de, 0x0774), .driver_data = AZX_DRIVER_NVIDIA }, { PCI_DEVICE(0x10de, 0x0775), .driver_data = AZX_DRIVER_NVIDIA }, { PCI_DEVICE(0x10de, 0x0776), .driver_data = AZX_DRIVER_NVIDIA }, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c08ca66..ff200485 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -965,6 +965,8 @@ static void alc_automute_pin(struct hda_codec *codec) unsigned int nid = spec->autocfg.hp_pins[0]; int i; + if (!nid) + return; pincap = snd_hda_query_pin_caps(codec, nid); if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */ snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0); @@ -12602,7 +12604,8 @@ static struct snd_pci_quirk alc268_cfg_tbl[] = { SND_PCI_QUIRK(0x1025, 0x015b, "Acer Aspire One", ALC268_ACER_ASPIRE_ONE), SND_PCI_QUIRK(0x1028, 0x0253, "Dell OEM", ALC268_DELL), - SND_PCI_QUIRK(0x1028, 0x02b0, "Dell Inspiron Mini9", ALC268_DELL), + SND_PCI_QUIRK_MASK(0x1028, 0xfff0, 0x02b0, + "Dell Inspiron Mini9/Vostro A90", ALC268_DELL), /* almost compatible with toshiba but with optional digital outs; * auto-probing seems working fine */ @@ -17374,7 +17377,7 @@ static int alc662_auto_create_extra_out(struct hda_codec *codec, hda_nid_t pin, /* create playback/capture controls for input pins */ #define alc662_auto_create_input_ctls \ - alc880_auto_create_input_ctls + alc882_auto_create_input_ctls static void alc662_auto_set_output_and_unmute(struct hda_codec *codec, hda_nid_t nid, int pin_type, diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index 91683a3..8a332d2 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -386,6 +386,7 @@ struct via82xx { struct snd_pcm *pcms[2]; struct snd_rawmidi *rmidi; + struct snd_kcontrol *dxs_controls[4]; struct snd_ac97_bus *ac97_bus; struct snd_ac97 *ac97; @@ -1216,9 +1217,9 @@ static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, /* - * open callback for playback on via686 and via823x DSX + * open callback for playback on via686 */ -static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) +static int snd_via686_playback_open(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; @@ -1230,6 +1231,32 @@ static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) } /* + * open callback for playback on via823x DXS + */ +static int snd_via8233_playback_open(struct snd_pcm_substream *substream) +{ + struct via82xx *chip = snd_pcm_substream_chip(substream); + struct viadev *viadev; + unsigned int stream; + int err; + + viadev = &chip->devs[chip->playback_devno + substream->number]; + if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) + return err; + stream = viadev->reg_offset / 0x10; + if (chip->dxs_controls[stream]) { + chip->playback_volume[stream][0] = 0; + chip->playback_volume[stream][1] = 0; + chip->dxs_controls[stream]->vd[0].access &= + ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, + &chip->dxs_controls[stream]->id); + } + return 0; +} + +/* * open callback for playback on via823x multi-channel */ static int snd_via8233_multi_open(struct snd_pcm_substream *substream) @@ -1302,10 +1329,26 @@ static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) return 0; } +static int snd_via8233_playback_close(struct snd_pcm_substream *substream) +{ + struct via82xx *chip = snd_pcm_substream_chip(substream); + struct viadev *viadev = substream->runtime->private_data; + unsigned int stream; + + stream = viadev->reg_offset / 0x10; + if (chip->dxs_controls[stream]) { + chip->dxs_controls[stream]->vd[0].access |= + SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, + &chip->dxs_controls[stream]->id); + } + return snd_via82xx_pcm_close(substream); +} + /* via686 playback callbacks */ static struct snd_pcm_ops snd_via686_playback_ops = { - .open = snd_via82xx_playback_open, + .open = snd_via686_playback_open, .close = snd_via82xx_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_via82xx_hw_params, @@ -1331,8 +1374,8 @@ static struct snd_pcm_ops snd_via686_capture_ops = { /* via823x DSX playback callbacks */ static struct snd_pcm_ops snd_via8233_playback_ops = { - .open = snd_via82xx_playback_open, - .close = snd_via82xx_pcm_close, + .open = snd_via8233_playback_open, + .close = snd_via8233_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_via82xx_hw_params, .hw_free = snd_via82xx_hw_free, @@ -1709,8 +1752,9 @@ static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { .device = 0, /* .subdevice set later */ .name = "PCM Playback Volume", - .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | - SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ | + SNDRV_CTL_ELEM_ACCESS_INACTIVE, .info = snd_via8233_dxs_volume_info, .get = snd_via8233_dxs_volume_get, .put = snd_via8233_dxs_volume_put, @@ -1948,6 +1992,7 @@ static int __devinit snd_via8233_init_misc(struct via82xx *chip) err = snd_ctl_add(chip->card, kctl); if (err < 0) return err; + chip->dxs_controls[i] = kctl; } } } diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c index 7dea74b..64b8599 100644 --- a/sound/pcmcia/pdaudiocf/pdaudiocf.c +++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c @@ -217,20 +217,25 @@ static void snd_pdacf_detach(struct pcmcia_device *link) * configuration callback */ -#define CS_CHECK(fn, ret) \ -do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) - static int pdacf_config(struct pcmcia_device *link) { struct snd_pdacf *pdacf = link->priv; - int last_fn, last_ret; + int ret; snd_printdd(KERN_DEBUG "pdacf_config called\n"); link->conf.ConfigIndex = 0x5; - CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); - CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); + ret = pcmcia_request_io(link, &link->io); + if (ret) + goto failed; + + ret = pcmcia_request_irq(link, &link->irq); + if (ret) + goto failed; + + ret = pcmcia_request_configuration(link, &link->conf); + if (ret) + goto failed; if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0) goto failed; @@ -238,8 +243,6 @@ static int pdacf_config(struct pcmcia_device *link) link->dev_node = &pdacf->node; return 0; -cs_failed: - cs_error(link, last_fn, last_ret); failed: pcmcia_disable_device(link); return -ENODEV; diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c index 7445cc8..1492744 100644 --- a/sound/pcmcia/vx/vxpocket.c +++ b/sound/pcmcia/vx/vxpocket.c @@ -213,14 +213,11 @@ static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq * configuration callback */ -#define CS_CHECK(fn, ret) \ -do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) - static int vxpocket_config(struct pcmcia_device *link) { struct vx_core *chip = link->priv; struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; - int last_fn, last_ret; + int ret; snd_printdd(KERN_DEBUG "vxpocket_config called\n"); @@ -235,9 +232,17 @@ static int vxpocket_config(struct pcmcia_device *link) strcpy(chip->card->driver, vxp440_hw.name); } - CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); - CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); + ret = pcmcia_request_io(link, &link->io); + if (ret) + goto failed; + + ret = pcmcia_request_irq(link, &link->irq); + if (ret) + goto failed; + + ret = pcmcia_request_configuration(link, &link->conf); + if (ret) + goto failed; chip->dev = &handle_to_dev(link); snd_card_set_dev(chip->card, chip->dev); @@ -248,8 +253,6 @@ static int vxpocket_config(struct pcmcia_device *link) link->dev_node = &vxp->node; return 0; -cs_failed: - cs_error(link, last_fn, last_ret); failed: pcmcia_disable_device(link); return -ENODEV; diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index 2dee983..653a362 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -21,7 +21,18 @@ config SND_OMAP_SOC_AMS_DELTA select SND_OMAP_SOC_MCBSP select SND_SOC_CX20442 help - Say Y if you want to add support for SoC audio on Amstrad Delta. + Say Y if you want to add support for SoC audio device connected to + a handset and a speakerphone found on Amstrad E3 (Delta) videophone. + + Note that in order to get those devices fully supported, you have to + build the kernel with standard serial port driver included and + configured for at least 4 ports. Then, from userspace, you must load + a line discipline #19 on the modem (ttyS3) serial line. The simplest + way to achieve this is to install util-linux-ng and use the included + ldattach utility. This can be started automatically from udev, + a simple rule like this one should do the trick (it does for me): + ACTION=="add", KERNEL=="controlC0", \ + RUN+="/usr/sbin/ldattach 19 /dev/ttyS3" config SND_OMAP_SOC_OSK5912 tristate "SoC Audio support for omap osk5912" diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index 5cbbdc8..1f35c6f 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c @@ -75,11 +75,19 @@ static void s3c24xx_pcm_enqueue(struct snd_pcm_substream *substream) { struct s3c24xx_runtime_data *prtd = substream->runtime->private_data; dma_addr_t pos = prtd->dma_pos; + unsigned int limit; int ret; pr_debug("Entered %s\n", __func__); - while (prtd->dma_loaded < prtd->dma_limit) { + if (s3c_dma_has_circular()) { + limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period; + } else + limit = prtd->dma_limit; + + pr_debug("%s: loaded %d, limit %d\n", __func__, prtd->dma_loaded, limit); + + while (prtd->dma_loaded < limit) { unsigned long len = prtd->dma_period; pr_debug("dma_loaded: %d\n", prtd->dma_loaded); @@ -123,7 +131,7 @@ static void s3c24xx_audio_buffdone(struct s3c2410_dma_chan *channel, snd_pcm_period_elapsed(substream); spin_lock(&prtd->lock); - if (prtd->state & ST_RUNNING) { + if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) { prtd->dma_loaded--; s3c24xx_pcm_enqueue(substream); } @@ -164,6 +172,11 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream, printk(KERN_ERR "failed to get dma channel\n"); return ret; } + + /* use the circular buffering if we have it available. */ + if (s3c_dma_has_circular()) + s3c2410_dma_setflags(prtd->params->channel, + S3C2410_DMAF_CIRCULAR); } s3c2410_dma_set_buffdone_fn(prtd->params->channel, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 7ff04ad..0a1b2f6 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -834,6 +834,9 @@ EXPORT_SYMBOL_GPL(snd_soc_resume_device); #define soc_resume NULL #endif +static struct snd_soc_dai_ops null_dai_ops = { +}; + static void snd_soc_instantiate_card(struct snd_soc_card *card) { struct platform_device *pdev = container_of(card->dev, @@ -877,6 +880,11 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) ac97 = 1; } + for (i = 0; i < card->num_links; i++) { + if (!card->dai_link[i].codec_dai->ops) + card->dai_link[i].codec_dai->ops = &null_dai_ops; + } + /* If we have AC97 in the system then don't wait for the * codec. This will need revisiting if we have to handle * systems with mixed AC97 and non-AC97 parts. Only check for @@ -2329,9 +2337,6 @@ static int snd_soc_unregister_card(struct snd_soc_card *card) return 0; } -static struct snd_soc_dai_ops null_dai_ops = { -}; - /** * snd_soc_register_dai - Register a DAI with the ASoC core * diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 8de6f9d..d89f6dc 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2072,9 +2072,9 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, } } } - mutex_unlock(&codec->mutex); dapm_power_widgets(codec, event); + mutex_unlock(&codec->mutex); dump_dapm(codec, __func__); return 0; } diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c index 121af06..86b2c3b 100644 --- a/sound/usb/caiaq/audio.c +++ b/sound/usb/caiaq/audio.c @@ -62,10 +62,14 @@ static void activate_substream(struct snd_usb_caiaqdev *dev, struct snd_pcm_substream *sub) { + spin_lock(&dev->spinlock); + if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) dev->sub_playback[sub->number] = sub; else dev->sub_capture[sub->number] = sub; + + spin_unlock(&dev->spinlock); } static void @@ -269,16 +273,22 @@ snd_usb_caiaq_pcm_pointer(struct snd_pcm_substream *sub) { int index = sub->number; struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub); + snd_pcm_uframes_t ptr; + + spin_lock(&dev->spinlock); if (dev->input_panic || dev->output_panic) - return SNDRV_PCM_POS_XRUN; + ptr = SNDRV_PCM_POS_XRUN; if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) - return bytes_to_frames(sub->runtime, + ptr = bytes_to_frames(sub->runtime, dev->audio_out_buf_pos[index]); else - return bytes_to_frames(sub->runtime, + ptr = bytes_to_frames(sub->runtime, dev->audio_in_buf_pos[index]); + + spin_unlock(&dev->spinlock); + return ptr; } /* operators for both playback and capture */ diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index 83e6c13..a3f02dd 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -35,7 +35,7 @@ #include "input.h" MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); -MODULE_DESCRIPTION("caiaq USB audio, version 1.3.19"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.3.20"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," "{Native Instruments, RigKontrol3}," diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 742a32e..7e190d5 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -177,8 +177,7 @@ endif # Include saner warnings here, which can catch bugs: # -EXTRA_WARNINGS := -Wcast-align -EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat +EXTRA_WARNINGS := -Wformat EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow @@ -422,7 +421,11 @@ ifeq ($(uname_S),Darwin) PTHREAD_LIBS = endif -ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) +ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) + ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) + BASIC_CFLAGS += -DLIBELF_NO_MMAP + endif +else msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]); endif diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 47ea060..226f44a 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -413,7 +413,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v) if (fd < 0) goto out; - elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); if (elf == NULL) goto out_close; @@ -533,7 +533,7 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, Elf *elf; int nr = 0, kernel = !strcmp("[kernel]", self->name); - elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); if (elf == NULL) { if (v) fprintf(stderr, "%s: cannot read %s ELF file.\n", @@ -675,7 +675,7 @@ static char *dso__read_build_id(struct dso *self, int v) if (fd < 0) goto out; - elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); if (elf == NULL) { if (v) fprintf(stderr, "%s: cannot read %s ELF file.\n", diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 6e84907..829da9e 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -27,6 +27,16 @@ static inline char *bfd_demangle(void __used *v, const char __used *c, #endif #endif +/* + * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; + * for newer versions we can use mmap to reduce memory usage: + */ +#ifdef LIBELF_NO_MMAP +# define PERF_ELF_C_READ_MMAP ELF_C_READ +#else +# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP +#endif + #ifndef DMGL_PARAMS #define DMGL_PARAMS (1 << 0) /* Include function args */ #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ |
