diff options
258 files changed, 1998 insertions, 1303 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl b/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl index b82deea..470def0 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl +++ b/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl @@ -1,4 +1,4 @@ -What: state +What: /sys/devices/system/ibm_rtl/state Date: Sep 2010 KernelVersion: 2.6.37 Contact: Vernon Mauery <vernux@us.ibm.com> @@ -10,7 +10,7 @@ Description: The state file allows a means by which to change in and Users: The ibm-prtm userspace daemon uses this interface. -What: version +What: /sys/devices/system/ibm_rtl/version Date: Sep 2010 KernelVersion: 2.6.37 Contact: Vernon Mauery <vernux@us.ibm.com> diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index 4e00e85..bfa461a 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -43,6 +43,9 @@ Optional properties: reset signal present internally in some host controller IC designs. See Documentation/devicetree/bindings/reset/reset.txt for details. +* reset-names: request name for using "resets" property. Must be "reset". + (It will be used together with "resets" property.) + * clocks: from common clock binding: handle to biu and ciu clocks for the bus interface unit clock and the card interface unit clock. @@ -103,6 +106,8 @@ board specific portions as listed below. interrupts = <0 75 0>; #address-cells = <1>; #size-cells = <0>; + resets = <&rst 20>; + reset-names = "reset"; }; [board specific internal DMA resources] diff --git a/Documentation/devicetree/bindings/pci/rockchip-pcie.txt b/Documentation/devicetree/bindings/pci/rockchip-pcie.txt index ba67b39..71aeda1 100644 --- a/Documentation/devicetree/bindings/pci/rockchip-pcie.txt +++ b/Documentation/devicetree/bindings/pci/rockchip-pcie.txt @@ -26,13 +26,16 @@ Required properties: - "sys" - "legacy" - "client" -- resets: Must contain five entries for each entry in reset-names. +- resets: Must contain seven entries for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following names - "core" - "mgmt" - "mgmt-sticky" - "pipe" + - "pm" + - "aclk" + - "pclk" - pinctrl-names : The pin control state names - pinctrl-0: The "default" pinctrl state - #interrupt-cells: specifies the number of cells needed to encode an @@ -86,8 +89,10 @@ pcie0: pcie@f8000000 { reg = <0x0 0xf8000000 0x0 0x2000000>, <0x0 0xfd000000 0x0 0x1000000>; reg-names = "axi-base", "apb-base"; resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>, - <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>; - reset-names = "core", "mgmt", "mgmt-sticky", "pipe"; + <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE> , + <&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, <&cru SRST_A_PCIE>; + reset-names = "core", "mgmt", "mgmt-sticky", "pipe", + "pm", "pclk", "aclk"; phys = <&pcie_phy>; phy-names = "pcie-phy"; pinctrl-names = "default"; diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt index f9753c4..b24583a 100644 --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt @@ -14,11 +14,6 @@ Required properies: - #size-cells : The value of this property must be 1 - ranges : defines mapping between pin controller node (parent) to gpio-bank node (children). - - interrupt-parent: phandle of the interrupt parent to which the external - GPIO interrupts are forwarded to. - - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node - which includes IRQ mux selection register, and the offset of the IRQ mux - selection register. - pins-are-numbered: Specify the subnodes are using numbered pinmux to specify pins. @@ -37,6 +32,11 @@ Required properties: Optional properties: - reset: : Reference to the reset controller + - interrupt-parent: phandle of the interrupt parent to which the external + GPIO interrupts are forwarded to. + - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node + which includes IRQ mux selection register, and the offset of the IRQ mux + selection register. Example: #include <dt-bindings/pinctrl/stm32f429-pinfunc.h> diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 14cdc10..1b5f156 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -447,7 +447,6 @@ prototypes: int (*flush) (struct file *); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t start, loff_t end, int datasync); - int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*readv) (struct file *, const struct iovec *, unsigned long, diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index d619c8d..b5039a0 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -828,7 +828,6 @@ struct file_operations { int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t, loff_t, int datasync); - int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); diff --git a/MAINTAINERS b/MAINTAINERS index 66df67f..04bc7c9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9354,7 +9354,7 @@ PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD) M: Keith Busch <keith.busch@intel.com> L: linux-pci@vger.kernel.org S: Supported -F: arch/x86/pci/vmd.c +F: drivers/pci/host/vmd.c PCIE DRIVER FOR ST SPEAR13XX M: Pratyush Anand <pratyush.anand@gmail.com> @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 9 SUBLEVEL = 0 -EXTRAVERSION = -rc4 +EXTRAVERSION = -rc5 NAME = Psychotic Stoned Sheep # *DOCUMENTATION* @@ -370,7 +370,7 @@ LDFLAGS_MODULE = CFLAGS_KERNEL = AFLAGS_KERNEL = LDFLAGS_vmlinux = -CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im +CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,) @@ -620,7 +620,6 @@ ARCH_CFLAGS := include arch/$(SRCARCH)/Makefile KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) -KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION @@ -629,15 +628,18 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) endif ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += -Os +KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) else ifdef CONFIG_PROFILE_ALL_BRANCHES -KBUILD_CFLAGS += -O2 +KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) else KBUILD_CFLAGS += -O2 endif endif +KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ + $(call cc-disable-warning,maybe-uninitialized,)) + # Tell gcc to never replace conditional load with a non-conditional one KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 864adad..19cce22 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -50,6 +50,9 @@ atleast_gcc44 := $(call cc-ifversion, -ge, 0404, y) cflags-$(atleast_gcc44) += -fsection-anchors +cflags-$(CONFIG_ARC_HAS_LLSC) += -mlock +cflags-$(CONFIG_ARC_HAS_SWAPE) += -mswape + ifdef CONFIG_ISA_ARCV2 ifndef CONFIG_ARC_HAS_LL64 @@ -68,7 +71,9 @@ cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables $(cfi) ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 # Note: No need to add to cflags-y as that happens anyways -ARCH_CFLAGS += -O3 +# +# Disable the false maybe-uninitialized warings gcc spits out at -O3 +ARCH_CFLAGS += -O3 $(call cc-disable-warning,maybe-uninitialized,) endif # small data is default for elf32 tool-chain. If not usable, disable it diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi index 6ae2c47..53ce226 100644 --- a/arch/arc/boot/dts/axc001.dtsi +++ b/arch/arc/boot/dts/axc001.dtsi @@ -71,7 +71,7 @@ reg-io-width = <4>; }; - arcpmu0: pmu { + arcpct0: pct { compatible = "snps,arc700-pct"; }; }; diff --git a/arch/arc/boot/dts/nsim_700.dts b/arch/arc/boot/dts/nsim_700.dts index ce0ccd20..5ee96b0 100644 --- a/arch/arc/boot/dts/nsim_700.dts +++ b/arch/arc/boot/dts/nsim_700.dts @@ -69,7 +69,7 @@ }; }; - arcpmu0: pmu { + arcpct0: pct { compatible = "snps,arc700-pct"; }; }; diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts index bcf6031..3c391ba 100644 --- a/arch/arc/boot/dts/nsimosci.dts +++ b/arch/arc/boot/dts/nsimosci.dts @@ -83,5 +83,9 @@ reg = <0xf0003000 0x44>; interrupts = <7>; }; + + arcpct0: pct { + compatible = "snps,arc700-pct"; + }; }; }; diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig index 7314f53..b0066a7 100644 --- a/arch/arc/configs/nsim_700_defconfig +++ b/arch/arc/configs/nsim_700_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig index 65ab9fb..ebe9ebb 100644 --- a/arch/arc/configs/nsim_hs_defconfig +++ b/arch/arc/configs/nsim_hs_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig index 3b3990c..4bde432 100644 --- a/arch/arc/configs/nsim_hs_smp_defconfig +++ b/arch/arc/configs/nsim_hs_smp_defconfig @@ -12,6 +12,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig index 98cf209..f6fb3d26 100644 --- a/arch/arc/configs/nsimosci_defconfig +++ b/arch/arc/configs/nsimosci_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig index ddf8b96..b9f0fe0 100644 --- a/arch/arc/configs/nsimosci_hs_defconfig +++ b/arch/arc/configs/nsimosci_hs_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig index ceb9074..6da71ba 100644 --- a/arch/arc/configs/nsimosci_hs_smp_defconfig +++ b/arch/arc/configs/nsimosci_hs_smp_defconfig @@ -10,6 +10,7 @@ CONFIG_IKCONFIG_PROC=y # CONFIG_PID_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/" +CONFIG_PERF_EVENTS=y # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y CONFIG_MODULES=y @@ -34,7 +35,6 @@ CONFIG_INET=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set -# CONFIG_INET_LRO is not set # CONFIG_IPV6 is not set # CONFIG_WIRELESS is not set CONFIG_DEVTMPFS=y @@ -72,7 +72,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HWMON is not set CONFIG_DRM=y CONFIG_DRM_ARCPGU=y -CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_HID is not set # CONFIG_USB_SUPPORT is not set diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 7f3f9f6..1bd24ec 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -43,12 +43,14 @@ #define STATUS_AE_BIT 5 /* Exception active */ #define STATUS_DE_BIT 6 /* PC is in delay slot */ #define STATUS_U_BIT 7 /* User/Kernel mode */ +#define STATUS_Z_BIT 11 #define STATUS_L_BIT 12 /* Loop inhibit */ /* These masks correspond to the status word(STATUS_32) bits */ #define STATUS_AE_MASK (1<<STATUS_AE_BIT) #define STATUS_DE_MASK (1<<STATUS_DE_BIT) #define STATUS_U_MASK (1<<STATUS_U_BIT) +#define STATUS_Z_MASK (1<<STATUS_Z_BIT) #define STATUS_L_MASK (1<<STATUS_L_BIT) /* diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h index 89fdd1b..0861007 100644 --- a/arch/arc/include/asm/smp.h +++ b/arch/arc/include/asm/smp.h @@ -37,9 +37,9 @@ extern const char *arc_platform_smp_cpuinfo(void); * API expected BY platform smp code (FROM arch smp code) * * smp_ipi_irq_setup: - * Takes @cpu and @irq to which the arch-common ISR is hooked up + * Takes @cpu and @hwirq to which the arch-common ISR is hooked up */ -extern int smp_ipi_irq_setup(int cpu, int irq); +extern int smp_ipi_irq_setup(int cpu, irq_hw_number_t hwirq); /* * struct plat_smp_ops - SMP callbacks provided by platform to ARC SMP diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c index f1e07c2..3b67f53 100644 --- a/arch/arc/kernel/devtree.c +++ b/arch/arc/kernel/devtree.c @@ -31,6 +31,8 @@ static void __init arc_set_early_base_baud(unsigned long dt_root) arc_base_baud = 166666666; /* Fixed 166.6MHz clk (TB10x) */ else if (of_flat_dt_is_compatible(dt_root, "snps,arc-sdp")) arc_base_baud = 33333333; /* Fixed 33MHz clk (AXS10x) */ + else if (of_flat_dt_is_compatible(dt_root, "ezchip,arc-nps")) + arc_base_baud = 800000000; /* Fixed 800MHz clk (NPS) */ else arc_base_baud = 50000000; /* Fixed default 50MHz */ } diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index c424d5a..f39142a 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -181,6 +181,8 @@ idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, { unsigned long flags; cpumask_t online; + unsigned int destination_bits; + unsigned int distribution_mode; /* errout if no online cpu per @cpumask */ if (!cpumask_and(&online, cpumask, cpu_online_mask)) @@ -188,8 +190,15 @@ idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, raw_spin_lock_irqsave(&mcip_lock, flags); - idu_set_dest(data->hwirq, cpumask_bits(&online)[0]); - idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR); + destination_bits = cpumask_bits(&online)[0]; + idu_set_dest(data->hwirq, destination_bits); + + if (ffs(destination_bits) == fls(destination_bits)) + distribution_mode = IDU_M_DISTRI_DEST; + else + distribution_mode = IDU_M_DISTRI_RR; + + idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, distribution_mode); raw_spin_unlock_irqrestore(&mcip_lock, flags); @@ -207,16 +216,15 @@ static struct irq_chip idu_irq_chip = { }; -static int idu_first_irq; +static irq_hw_number_t idu_first_hwirq; static void idu_cascade_isr(struct irq_desc *desc) { - struct irq_domain *domain = irq_desc_get_handler_data(desc); - unsigned int core_irq = irq_desc_get_irq(desc); - unsigned int idu_irq; + struct irq_domain *idu_domain = irq_desc_get_handler_data(desc); + irq_hw_number_t core_hwirq = irqd_to_hwirq(irq_desc_get_irq_data(desc)); + irq_hw_number_t idu_hwirq = core_hwirq - idu_first_hwirq; - idu_irq = core_irq - idu_first_irq; - generic_handle_irq(irq_find_mapping(domain, idu_irq)); + generic_handle_irq(irq_find_mapping(idu_domain, idu_hwirq)); } static int idu_irq_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hwirq) @@ -282,7 +290,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent) struct irq_domain *domain; /* Read IDU BCR to confirm nr_irqs */ int nr_irqs = of_irq_count(intc); - int i, irq; + int i, virq; struct mcip_bcr mp; READ_BCR(ARC_REG_MCIP_BCR, mp); @@ -303,11 +311,11 @@ idu_of_init(struct device_node *intc, struct device_node *parent) * however we need it to get the parent virq and set IDU handler * as first level isr */ - irq = irq_of_parse_and_map(intc, i); + virq = irq_of_parse_and_map(intc, i); if (!i) - idu_first_irq = irq; + idu_first_hwirq = irqd_to_hwirq(irq_get_irq_data(virq)); - irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain); + irq_set_chained_handler_and_data(virq, idu_cascade_isr, domain); } __mcip_cmd(CMD_IDU_ENABLE, 0); diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index 59aa43c..a41a79a 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -43,8 +43,8 @@ SYSCALL_DEFINE0(arc_gettls) SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new) { - int uval; - int ret; + struct pt_regs *regs = current_pt_regs(); + int uval = -EFAULT; /* * This is only for old cores lacking LLOCK/SCOND, which by defintion @@ -54,24 +54,26 @@ SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new) */ WARN_ON_ONCE(IS_ENABLED(CONFIG_SMP)); + /* Z indicates to userspace if operation succeded */ + regs->status32 &= ~STATUS_Z_MASK; + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) return -EFAULT; preempt_disable(); - ret = __get_user(uval, uaddr); - if (ret) + if (__get_user(uval, uaddr)) goto done; - if (uval != expected) - ret = -EAGAIN; - else - ret = __put_user(new, uaddr); + if (uval == expected) { + if (!__put_user(new, uaddr)) + regs->status32 |= STATUS_Z_MASK; + } done: preempt_enable(); - return ret; + return uval; } void arch_cpu_idle(void) diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index f183cc6..88674d9 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -22,6 +22,7 @@ #include <linux/atomic.h> #include <linux/cpumask.h> #include <linux/reboot.h> +#include <linux/irqdomain.h> #include <asm/processor.h> #include <asm/setup.h> #include <asm/mach_desc.h> @@ -67,11 +68,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) int i; /* - * Initialise the present map, which describes the set of CPUs - * actually populated at the present time. + * if platform didn't set the present map already, do it now + * boot cpu is set to present already by init/main.c */ - for (i = 0; i < max_cpus; i++) - set_cpu_present(i, true); + if (num_present_cpus() <= 1) { + for (i = 0; i < max_cpus; i++) + set_cpu_present(i, true); + } } void __init smp_cpus_done(unsigned int max_cpus) @@ -351,20 +354,24 @@ irqreturn_t do_IPI(int irq, void *dev_id) */ static DEFINE_PER_CPU(int, ipi_dev); -int smp_ipi_irq_setup(int cpu, int irq) +int smp_ipi_irq_setup(int cpu, irq_hw_number_t hwirq) { int *dev = per_cpu_ptr(&ipi_dev, cpu); + unsigned int virq = irq_find_mapping(NULL, hwirq); + + if (!virq) + panic("Cannot find virq for root domain and hwirq=%lu", hwirq); /* Boot cpu calls request, all call enable */ if (!cpu) { int rc; - rc = request_percpu_irq(irq, do_IPI, "IPI Interrupt", dev); + rc = request_percpu_irq(virq, do_IPI, "IPI Interrupt", dev); if (rc) - panic("Percpu IRQ request failed for %d\n", irq); + panic("Percpu IRQ request failed for %u\n", virq); } - enable_percpu_irq(irq, 0); + enable_percpu_irq(virq, 0); return 0; } diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index f927b8d..c10390d 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -152,14 +152,17 @@ static cycle_t arc_read_rtc(struct clocksource *cs) cycle_t full; } stamp; - - __asm__ __volatile( - "1: \n" - " lr %0, [AUX_RTC_LOW] \n" - " lr %1, [AUX_RTC_HIGH] \n" - " lr %2, [AUX_RTC_CTRL] \n" - " bbit0.nt %2, 31, 1b \n" - : "=r" (stamp.low), "=r" (stamp.high), "=r" (status)); + /* + * hardware has an internal state machine which tracks readout of + * low/high and updates the CTRL.status if + * - interrupt/exception taken between the two reads + * - high increments after low has been read + */ + do { + stamp.low = read_aux_reg(AUX_RTC_LOW); + stamp.high = read_aux_reg(AUX_RTC_HIGH); + status = read_aux_reg(AUX_RTC_CTRL); + } while (!(status & _BITUL(31))); return stamp.full; } diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 60aab5a..cd8aad8 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -105,6 +105,31 @@ static void arc_dma_free(struct device *dev, size_t size, void *vaddr, __free_pages(page, get_order(size)); } +static int arc_dma_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size, + unsigned long attrs) +{ + unsigned long user_count = vma_pages(vma); + unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; + unsigned long pfn = __phys_to_pfn(plat_dma_to_phys(dev, dma_addr)); + unsigned long off = vma->vm_pgoff; + int ret = -ENXIO; + + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + + if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret)) + return ret; + + if (off < count && user_count <= (count - off)) { + ret = remap_pfn_range(vma, vma->vm_start, + pfn + off, + user_count << PAGE_SHIFT, + vma->vm_page_prot); + } + + return ret; +} + /* * streaming DMA Mapping API... * CPU accesses page via normal paddr, thus needs to explicitly made @@ -193,6 +218,7 @@ static int arc_dma_supported(struct device *dev, u64 dma_mask) struct dma_map_ops arc_dma_ops = { .alloc = arc_dma_alloc, .free = arc_dma_free, + .mmap = arc_dma_mmap, .map_page = arc_dma_map_page, .map_sg = arc_dma_map_sg, .sync_single_for_device = arc_dma_sync_single_for_device, diff --git a/arch/arc/plat-eznps/smp.c b/arch/arc/plat-eznps/smp.c index 5e901f8..56a4c85 100644 --- a/arch/arc/plat-eznps/smp.c +++ b/arch/arc/plat-eznps/smp.c @@ -140,16 +140,10 @@ static void eznps_init_per_cpu(int cpu) mtm_enable_core(cpu); } -static void eznps_ipi_clear(int irq) -{ - write_aux_reg(CTOP_AUX_IACK, 1 << irq); -} - struct plat_smp_ops plat_smp_ops = { .info = smp_cpuinfo_buf, .init_early_smp = eznps_init_cpumasks, .cpu_kick = eznps_smp_wakeup_cpu, .ipi_send = eznps_ipi_send, .init_per_cpu = eznps_init_per_cpu, - .ipi_clear = eznps_ipi_clear, }; diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h index d7ea6bc..8ef0538 100644 --- a/arch/arm/include/asm/kvm_asm.h +++ b/arch/arm/include/asm/kvm_asm.h @@ -66,6 +66,7 @@ extern char __kvm_hyp_vector[]; extern void __kvm_flush_vm_context(void); extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); extern void __kvm_tlb_flush_vmid(struct kvm *kvm); +extern void __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu); extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 2d19e02..d5423ab 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -57,6 +57,9 @@ struct kvm_arch { /* VTTBR value associated with below pgd and vmid */ u64 vttbr; + /* The last vcpu id that ran on each physical CPU */ + int __percpu *last_vcpu_ran; + /* Timer */ struct arch_timer_kvm timer; diff --git a/arch/arm/include/asm/kvm_hyp.h b/arch/arm/include/asm/kvm_hyp.h index 343135e..5850890 100644 --- a/arch/arm/include/asm/kvm_hyp.h +++ b/arch/arm/include/asm/kvm_hyp.h @@ -71,6 +71,7 @@ #define ICIALLUIS __ACCESS_CP15(c7, 0, c1, 0) #define ATS1CPR __ACCESS_CP15(c7, 0, c8, 0) #define TLBIALLIS __ACCESS_CP15(c8, 0, c3, 0) +#define TLBIALL __ACCESS_CP15(c8, 0, c7, 0) #define TLBIALLNSNHIS __ACCESS_CP15(c8, 4, c3, 4) #define PRRR __ACCESS_CP15(c10, 0, c2, 0) #define NMRR __ACCESS_CP15(c10, 0, c2, 1) diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 08bb84f..19b5f5c 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -114,11 +114,18 @@ void kvm_arch_check_processor_compat(void *rtn) */ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) { - int ret = 0; + int ret, cpu; if (type) return -EINVAL; + kvm->arch.last_vcpu_ran = alloc_percpu(typeof(*kvm->arch.last_vcpu_ran)); + if (!kvm->arch.last_vcpu_ran) + return -ENOMEM; + + for_each_possible_cpu(cpu) + *per_cpu_ptr(kvm->arch.last_vcpu_ran, cpu) = -1; + ret = kvm_alloc_stage2_pgd(kvm); if (ret) goto out_fail_alloc; @@ -141,6 +148,8 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) out_free_stage2_pgd: kvm_free_stage2_pgd(kvm); out_fail_alloc: + free_percpu(kvm->arch.last_vcpu_ran); + kvm->arch.last_vcpu_ran = NULL; return ret; } @@ -168,6 +177,9 @@ void kvm_arch_destroy_vm(struct kvm *kvm) { int i; + free_percpu(kvm->arch.last_vcpu_ran); + kvm->arch.last_vcpu_ran = NULL; + for (i = 0; i < KVM_MAX_VCPUS; ++i) { if (kvm->vcpus[i]) { kvm_arch_vcpu_free(kvm->vcpus[i]); @@ -312,6 +324,19 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) { + int *last_ran; + + last_ran = this_cpu_ptr(vcpu->kvm->arch.last_vcpu_ran); + + /* + * We might get preempted before the vCPU actually runs, but + * over-invalidation doesn't affect correctness. + */ + if (*last_ran != vcpu->vcpu_id) { + kvm_call_hyp(__kvm_tlb_flush_local_vmid, vcpu); + *last_ran = vcpu->vcpu_id; + } + vcpu->cpu = cpu; vcpu->arch.host_cpu_context = this_cpu_ptr(kvm_host_cpu_state); diff --git a/arch/arm/kvm/hyp/tlb.c b/arch/arm/kvm/hyp/tlb.c index 7296528..6d810af 100644 --- a/arch/arm/kvm/hyp/tlb.c +++ b/arch/arm/kvm/hyp/tlb.c @@ -55,6 +55,21 @@ void __hyp_text __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa) __kvm_tlb_flush_vmid(kvm); } +void __hyp_text __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu) +{ + struct kvm *kvm = kern_hyp_va(kern_hyp_va(vcpu)->kvm); + + /* Switch to requested VMID */ + write_sysreg(kvm->arch.vttbr, VTTBR); + isb(); + + write_sysreg(0, TLBIALL); + dsb(nsh); + isb(); + + write_sysreg(0, VTTBR); +} + void __hyp_text __kvm_flush_vm_context(void) { write_sysreg(0, TLBIALLNSNHIS); diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index b65c193..7afbfb0 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -300,8 +300,11 @@ ranges = <0x83000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x600000 0x81000000 0x0 0xfa600000 0x0 0xfa600000 0x0 0x100000>; resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>, - <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>; - reset-names = "core", "mgmt", "mgmt-sticky", "pipe"; + <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>, + <&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, + <&cru SRST_A_PCIE>; + reset-names = "core", "mgmt", "mgmt-sticky", "pipe", + "pm", "pclk", "aclk"; status = "disabled"; pcie0_intc: interrupt-controller { diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h index 39feb85..6e1cb8c 100644 --- a/arch/arm64/include/asm/alternative.h +++ b/arch/arm64/include/asm/alternative.h @@ -1,7 +1,7 @@ #ifndef __ASM_ALTERNATIVE_H #define __ASM_ALTERNATIVE_H -#include <asm/cpufeature.h> +#include <asm/cpucaps.h> #include <asm/insn.h> #ifndef __ASSEMBLY__ diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h new file mode 100644 index 0000000..87b4465 --- /dev/null +++ b/arch/arm64/include/asm/cpucaps.h @@ -0,0 +1,40 @@ +/* + * arch/arm64/include/asm/cpucaps.h + * + * Copyright (C) 2016 ARM Ltd. + * + * 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, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_CPUCAPS_H +#define __ASM_CPUCAPS_H + +#define ARM64_WORKAROUND_CLEAN_CACHE 0 +#define ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE 1 +#define ARM64_WORKAROUND_845719 2 +#define ARM64_HAS_SYSREG_GIC_CPUIF 3 +#define ARM64_HAS_PAN 4 +#define ARM64_HAS_LSE_ATOMICS 5 +#define ARM64_WORKAROUND_CAVIUM_23154 6 +#define ARM64_WORKAROUND_834220 7 +#define ARM64_HAS_NO_HW_PREFETCH 8 +#define ARM64_HAS_UAO 9 +#define ARM64_ALT_PAN_NOT_UAO 10 +#define ARM64_HAS_VIRT_HOST_EXTN 11 +#define ARM64_WORKAROUND_CAVIUM_27456 12 +#define ARM64_HAS_32BIT_EL0 13 +#define ARM64_HYP_OFFSET_LOW 14 +#define ARM64_MISMATCHED_CACHE_LINE_SIZE 15 + +#define ARM64_NCAPS 16 + +#endif /* __ASM_CPUCAPS_H */ diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index a27c324..0bc0b1d 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -11,6 +11,7 @@ #include <linux/jump_label.h> +#include <asm/cpucaps.h> #include <asm/hwcap.h> #include <asm/sysreg.h> @@ -24,25 +25,6 @@ #define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap)) #define cpu_feature(x) ilog2(HWCAP_ ## x) -#define ARM64_WORKAROUND_CLEAN_CACHE 0 -#define ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE 1 -#define ARM64_WORKAROUND_845719 2 -#define ARM64_HAS_SYSREG_GIC_CPUIF 3 -#define ARM64_HAS_PAN 4 -#define ARM64_HAS_LSE_ATOMICS 5 -#define ARM64_WORKAROUND_CAVIUM_23154 6 -#define ARM64_WORKAROUND_834220 7 -#define ARM64_HAS_NO_HW_PREFETCH 8 -#define ARM64_HAS_UAO 9 -#define ARM64_ALT_PAN_NOT_UAO 10 -#define ARM64_HAS_VIRT_HOST_EXTN 11 -#define ARM64_WORKAROUND_CAVIUM_27456 12 -#define ARM64_HAS_32BIT_EL0 13 -#define ARM64_HYP_OFFSET_LOW 14 -#define ARM64_MISMATCHED_CACHE_LINE_SIZE 15 - -#define ARM64_NCAPS 16 - #ifndef __ASSEMBLY__ #include <linux/kernel.h> diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 18f7465..ec3553eb 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -54,6 +54,7 @@ extern char __kvm_hyp_vector[]; extern void __kvm_flush_vm_context(void); extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); extern void __kvm_tlb_flush_vmid(struct kvm *kvm); +extern void __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu); extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index bd94e67..e505038 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -62,6 +62,9 @@ struct kvm_arch { /* VTTBR value associated with above pgd and vmid */ u64 vttbr; + /* The last vcpu id that ran on each physical CPU */ + int __percpu *last_vcpu_ran; + /* The maximum number of vCPUs depends on the used GIC model */ int max_vcpus; diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index a79b969..6f72fe8 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -128,7 +128,7 @@ static inline unsigned long __kern_hyp_va(unsigned long v) return v; } -#define kern_hyp_va(v) (typeof(v))(__kern_hyp_va((unsigned long)(v))) +#define kern_hyp_va(v) ((typeof(v))(__kern_hyp_va((unsigned long)(v)))) /* * We currently only support a 40bit IPA. diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h index 23acc00..fc756e2 100644 --- a/arch/arm64/include/asm/lse.h +++ b/arch/arm64/include/asm/lse.h @@ -5,7 +5,6 @@ #include <linux/stringify.h> #include <asm/alternative.h> -#include <asm/cpufeature.h> #ifdef __ASSEMBLER__ diff --git a/arch/arm64/kvm/hyp/tlb.c b/arch/arm64/kvm/hyp/tlb.c index 9cc0ea7..88e2f2b 100644 --- a/arch/arm64/kvm/hyp/tlb.c +++ b/arch/arm64/kvm/hyp/tlb.c @@ -64,6 +64,21 @@ void __hyp_text __kvm_tlb_flush_vmid(struct kvm *kvm) write_sysreg(0, vttbr_el2); } +void __hyp_text __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu) +{ + struct kvm *kvm = kern_hyp_va(kern_hyp_va(vcpu)->kvm); + + /* Switch to requested VMID */ + write_sysreg(kvm->arch.vttbr, vttbr_el2); + isb(); + + asm volatile("tlbi vmalle1" : : ); + dsb(nsh); + isb(); + + write_sysreg(0, vttbr_el2); +} + void __hyp_text __kvm_flush_vm_context(void) { dsb(ishst); diff --git a/arch/nios2/kernel/time.c b/arch/nios2/kernel/time.c index d9563dd..746bf5c 100644 --- a/arch/nios2/kernel/time.c +++ b/arch/nios2/kernel/time.c @@ -324,6 +324,7 @@ static int __init nios2_time_init(struct device_node *timer) ret = nios2_clocksource_init(timer); break; default: + ret = 0; break; } diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h index 4ce7a01..5f55da9 100644 --- a/arch/openrisc/include/asm/cache.h +++ b/arch/openrisc/include/asm/cache.h @@ -23,6 +23,8 @@ * they shouldn't be hard-coded! */ +#define __ro_after_init __read_mostly + #define L1_CACHE_BYTES 16 #define L1_CACHE_SHIFT 4 diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 28f03ca..794bebb 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -363,11 +363,11 @@ out: static int diag224_get_name_table(void) { /* memory must be below 2GB */ - diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + diag224_cpu_names = (char *) __get_free_page(GFP_KERNEL | GFP_DMA); if (!diag224_cpu_names) return -ENOMEM; if (diag224(diag224_cpu_names)) { - kfree(diag224_cpu_names); + free_page((unsigned long) diag224_cpu_names); return -EOPNOTSUPP; } EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16); @@ -376,7 +376,7 @@ static int diag224_get_name_table(void) static void diag224_delete_name_table(void) { - kfree(diag224_cpu_names); + free_page((unsigned long) diag224_cpu_names); } static int diag224_idx2name(int index, char *name) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 000e6e91..3667d20 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -62,9 +62,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); __start_ro_after_init = .; + __start_data_ro_after_init = .; .data..ro_after_init : { *(.data..ro_after_init) } + __end_data_ro_after_init = .; EXCEPTION_TABLE(16) . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 7350c8b..6b2f72f 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -423,7 +423,7 @@ static int __s390_dma_map_sg(struct device *dev, struct scatterlist *sg, dma_addr_t dma_addr_base, dma_addr; int flags = ZPCI_PTE_VALID; struct scatterlist *s; - unsigned long pa; + unsigned long pa = 0; int ret; size = PAGE_ALIGN(size); diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 0ab5ee1..aa8b067 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -888,7 +888,7 @@ static int helper_rfc4106_encrypt(struct aead_request *req) unsigned long auth_tag_len = crypto_aead_authsize(tfm); u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN))); struct scatter_walk src_sg_walk; - struct scatter_walk dst_sg_walk; + struct scatter_walk dst_sg_walk = {}; unsigned int i; /* Assuming we are supporting rfc4106 64-bit extended */ @@ -968,7 +968,7 @@ static int helper_rfc4106_decrypt(struct aead_request *req) u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN))); u8 authTag[16]; struct scatter_walk src_sg_walk; - struct scatter_walk dst_sg_walk; + struct scatter_walk dst_sg_walk = {}; unsigned int i; if (unlikely(req->assoclen != 16 && req->assoclen != 20)) diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index c7364bd..51287cd 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -1042,8 +1042,11 @@ static int apm_get_power_status(u_short *status, u_short *bat, u_short *life) if (apm_info.get_power_status_broken) return APM_32_UNSUPPORTED; - if (apm_bios_call(&call)) + if (apm_bios_call(&call)) { + if (!call.err) + return APM_NO_ERROR; return call.err; + } *status = call.ebx; *bat = call.ecx; if (apm_info.get_power_status_swabinminutes) { diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index d58fbf7..7dd7092 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -122,7 +122,7 @@ static int acpi_apd_create_device(struct acpi_device *adev, int ret; if (!dev_desc) { - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, NULL); return IS_ERR_OR_NULL(pdev) ? PTR_ERR(pdev) : 1; } @@ -139,14 +139,8 @@ static int acpi_apd_create_device(struct acpi_device *adev, goto err_out; } - if (dev_desc->properties) { - ret = device_add_properties(&adev->dev, dev_desc->properties); - if (ret) - goto err_out; - } - adev->driver_data = pdata; - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, dev_desc->properties); if (!IS_ERR_OR_NULL(pdev)) return 1; diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 5520102..373657f 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -395,7 +395,7 @@ static int acpi_lpss_create_device(struct acpi_device *adev, dev_desc = (const struct lpss_device_desc *)id->driver_data; if (!dev_desc) { - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, NULL); return IS_ERR_OR_NULL(pdev) ? PTR_ERR(pdev) : 1; } pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); @@ -451,14 +451,8 @@ static int acpi_lpss_create_device(struct acpi_device *adev, goto err_out; } - if (dev_desc->properties) { - ret = device_add_properties(&adev->dev, dev_desc->properties); - if (ret) - goto err_out; - } - adev->driver_data = pdata; - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, dev_desc->properties); if (!IS_ERR_OR_NULL(pdev)) { return 1; } diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index b200ae1..b4c1a6a 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -50,6 +50,7 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, /** * acpi_create_platform_device - Create platform device for ACPI device node * @adev: ACPI device node to create a platform device for. + * @properties: Optional collection of build-in properties. * * Check if the given @adev can be represented as a platform device and, if * that's the case, create and register a platform device, populate its common @@ -57,7 +58,8 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, * * Name of the platform device will be the same as @adev's. */ -struct platform_device *acpi_create_platform_device(struct acpi_device *adev) +struct platform_device *acpi_create_platform_device(struct acpi_device *adev, + struct property_entry *properties) { struct platform_device *pdev = NULL; struct platform_device_info pdevinfo; @@ -106,6 +108,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) pdevinfo.res = resources; pdevinfo.num_res = count; pdevinfo.fwnode = acpi_fwnode_handle(adev); + pdevinfo.properties = properties; if (acpi_dma_supported(adev)) pdevinfo.dma_mask = DMA_BIT_MASK(32); diff --git a/drivers/acpi/dptf/int340x_thermal.c b/drivers/acpi/dptf/int340x_thermal.c index 33505c6..8636409 100644 --- a/drivers/acpi/dptf/int340x_thermal.c +++ b/drivers/acpi/dptf/int340x_thermal.c @@ -34,11 +34,11 @@ static int int340x_thermal_handler_attach(struct acpi_device *adev, const struct acpi_device_id *id) { if (IS_ENABLED(CONFIG_INT340X_THERMAL)) - acpi_create_platform_device(adev); + acpi_create_platform_device(adev, NULL); /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */ else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) && id->driver_data == INT3401_DEVICE) - acpi_create_platform_device(adev); + acpi_create_platform_device(adev, NULL); return 1; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 035ac64..3d1856f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1734,7 +1734,7 @@ static void acpi_default_enumeration(struct acpi_device *device) &is_spi_i2c_slave); acpi_dev_free_resource_list(&resource_list); if (!is_spi_i2c_slave) { - acpi_create_platform_device(device); + acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { blocking_notifier_call_chain(&acpi_reconfig_chain, diff --git a/drivers/base/dd.c b/drivers/base/dd.c index d22a726..d76cd97 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -324,7 +324,8 @@ static int really_probe(struct device *dev, struct device_driver *drv) { int ret = -EPROBE_DEFER; int local_trigger_count = atomic_read(&deferred_trigger_count); - bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE); + bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE) && + !drv->suppress_bind_attrs; if (defer_all_probes) { /* @@ -383,7 +384,7 @@ re_probe: if (test_remove) { test_remove = false; - if (dev->bus && dev->bus->remove) + if (dev->bus->remove) dev->bus->remove(dev); else if (drv->remove) drv->remove(dev); diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index e44944f..2932a5b 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1027,6 +1027,8 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a TRACE_DEVICE(dev); TRACE_SUSPEND(0); + dpm_wait_for_children(dev, async); + if (async_error) goto Complete; @@ -1038,8 +1040,6 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a if (dev->power.syscore || dev->power.direct_complete) goto Complete; - dpm_wait_for_children(dev, async); - if (dev->pm_domain) { info = "noirq power domain "; callback = pm_noirq_op(&dev->pm_domain->ops, state); @@ -1174,6 +1174,8 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as __pm_runtime_disable(dev, false); + dpm_wait_for_children(dev, async); + if (async_error) goto Complete; @@ -1185,8 +1187,6 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as if (dev->power.syscore || dev->power.direct_complete) goto Complete; - dpm_wait_for_children(dev, async); - if (dev->pm_domain) { info = "late power domain "; callback = pm_late_early_op(&dev->pm_domain->ops, state); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index ab19adb..3c606c0 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -853,45 +853,6 @@ rqbiocnt(struct request *r) return n; } -/* This can be removed if we are certain that no users of the block - * layer will ever use zero-count pages in bios. Otherwise we have to - * protect against the put_page sometimes done by the network layer. - * - * See http://oss.sgi.com/archives/xfs/2007-01/msg00594.html for - * discussion. - * - * We cannot use get_page in the workaround, because it insists on a - * positive page count as a precondition. So we use _refcount directly. - */ -static void -bio_pageinc(struct bio *bio) -{ - struct bio_vec bv; - struct page *page; - struct bvec_iter iter; - - bio_for_each_segment(bv, bio, iter) { - /* Non-zero page count for non-head members of - * compound pages is no longer allowed by the kernel. - */ - page = compound_head(bv.bv_page); - page_ref_inc(page); - } -} - -static void -bio_pagedec(struct bio *bio) -{ - struct page *page; - struct bio_vec bv; - struct bvec_iter iter; - - bio_for_each_segment(bv, bio, iter) { - page = compound_head(bv.bv_page); - page_ref_dec(page); - } -} - static void bufinit(struct buf *buf, struct request *rq, struct bio *bio) { @@ -899,7 +860,6 @@ bufinit(struct buf *buf, struct request *rq, struct bio *bio) buf->rq = rq; buf->bio = bio; buf->iter = bio->bi_iter; - bio_pageinc(bio); } static struct buf * @@ -1127,7 +1087,6 @@ aoe_end_buf(struct aoedev *d, struct buf *buf) if (buf == d->ip.buf) d->ip.buf = NULL; rq = buf->rq; - bio_pagedec(buf->bio); mempool_free(buf, d->bufpool); n = (unsigned long) rq->special; rq->special = (void *) --n; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 100be55..8348272 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1871,7 +1871,7 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, drbd_update_congested(connection); } do { - rv = kernel_sendmsg(sock, &msg, &iov, 1, size); + rv = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len); if (rv == -EAGAIN) { if (we_should_drop_the_connection(connection, sock)) break; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 19a16b2..7a10487 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -599,7 +599,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, return -EINVAL; sreq = blk_mq_alloc_request(bdev_get_queue(bdev), WRITE, 0); - if (!sreq) + if (IS_ERR(sreq)) return -ENOMEM; mutex_unlock(&nbd->tx_lock); diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index d233688..6af1ce0 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -748,10 +748,7 @@ static int pp_release(struct inode *inode, struct file *file) } if (pp->pdev) { - const char *name = pp->pdev->name; - parport_unregister_device(pp->pdev); - kfree(name); pp->pdev = NULL; pr_debug(CHRDEV "%x: unregistered pardevice\n", minor); } diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index 20b1055..80ae2a5 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -700,6 +700,7 @@ static struct clk * __init create_mux_common(struct clockgen *cg, struct mux_hwclock *hwc, const struct clk_ops *ops, unsigned long min_rate, + unsigned long max_rate, unsigned long pct80_rate, const char *fmt, int idx) { @@ -728,6 +729,8 @@ static struct clk * __init create_mux_common(struct clockgen *cg, continue; if (rate < min_rate) continue; + if (rate > max_rate) + continue; parent_names[j] = div->name; hwc->parent_to_clksel[j] = i; @@ -759,7 +762,7 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) struct mux_hwclock *hwc; const struct clockgen_pll_div *div; unsigned long plat_rate, min_rate; - u64 pct80_rate; + u64 max_rate, pct80_rate; u32 clksel; hwc = kzalloc(sizeof(*hwc), GFP_KERNEL); @@ -787,8 +790,8 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) return NULL; } - pct80_rate = clk_get_rate(div->clk); - pct80_rate *= 8; + max_rate = clk_get_rate(div->clk); + pct80_rate = max_rate * 8; do_div(pct80_rate, 10); plat_rate = clk_get_rate(cg->pll[PLATFORM_PLL].div[PLL_DIV1].clk); @@ -798,7 +801,7 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) else min_rate = plat_rate / 2; - return create_mux_common(cg, hwc, &cmux_ops, min_rate, + return create_mux_common(cg, hwc, &cmux_ops, min_rate, max_rate, pct80_rate, "cg-cmux%d", idx); } @@ -813,7 +816,7 @@ static struct clk * __init create_one_hwaccel(struct clockgen *cg, int idx) hwc->reg = cg->regs + 0x20 * idx + 0x10; hwc->info = cg->info.hwaccel[idx]; - return create_mux_common(cg, hwc, &hwaccel_ops, 0, 0, + return create_mux_common(cg, hwc, &hwaccel_ops, 0, ULONG_MAX, 0, "cg-hwaccel%d", idx); } diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index 5daddf5..bc37030 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -463,22 +463,20 @@ static int xgene_clk_enable(struct clk_hw *hw) struct xgene_clk *pclk = to_xgene_clk(hw); unsigned long flags = 0; u32 data; - phys_addr_t reg; if (pclk->lock) spin_lock_irqsave(pclk->lock, flags); if (pclk->param.csr_reg != NULL) { pr_debug("%s clock enabled\n", clk_hw_get_name(hw)); - reg = __pa(pclk->param.csr_reg); /* First enable the clock */ data = xgene_clk_read(pclk->param.csr_reg + pclk->param.reg_clk_offset); data |= pclk->param.reg_clk_mask; xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_clk_offset); - pr_debug("%s clock PADDR base %pa clk offset 0x%08X mask 0x%08X value 0x%08X\n", - clk_hw_get_name(hw), ®, + pr_debug("%s clk offset 0x%08X mask 0x%08X value 0x%08X\n", + clk_hw_get_name(hw), pclk->param.reg_clk_offset, pclk->param.reg_clk_mask, data); @@ -488,8 +486,8 @@ static int xgene_clk_enable(struct clk_hw *hw) data &= ~pclk->param.reg_csr_mask; xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_csr_offset); - pr_debug("%s CSR RESET PADDR base %pa csr offset 0x%08X mask 0x%08X value 0x%08X\n", - clk_hw_get_name(hw), ®, + pr_debug("%s csr offset 0x%08X mask 0x%08X value 0x%08X\n", + clk_hw_get_name(hw), pclk->param.reg_csr_offset, pclk->param.reg_csr_mask, data); } diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index 19f9b62..7a6acc3 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -223,7 +223,7 @@ static unsigned long clk_pllv3_av_recalc_rate(struct clk_hw *hw, temp64 *= mfn; do_div(temp64, mfd); - return (parent_rate * div) + (u32)temp64; + return parent_rate * div + (unsigned long)temp64; } static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, @@ -247,7 +247,11 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, do_div(temp64, parent_rate); mfn = temp64; - return parent_rate * div + parent_rate * mfn / mfd; + temp64 = (u64)parent_rate; + temp64 *= mfn; + do_div(temp64, mfd); + + return parent_rate * div + (unsigned long)temp64; } static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate, diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 3a51fff..9adaf48 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -313,7 +313,7 @@ static void __init mmp2_clk_init(struct device_node *np) } pxa_unit->apmu_base = of_iomap(np, 1); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apmu_base) { pr_err("failed to map apmu registers\n"); return; } diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c index 87f2317..f110c02 100644 --- a/drivers/clk/mmp/clk-of-pxa168.c +++ b/drivers/clk/mmp/clk-of-pxa168.c @@ -262,7 +262,7 @@ static void __init pxa168_clk_init(struct device_node *np) } pxa_unit->apmu_base = of_iomap(np, 1); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apmu_base) { pr_err("failed to map apmu registers\n"); return; } diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c index e22a67f..64d1ef4 100644 --- a/drivers/clk/mmp/clk-of-pxa910.c +++ b/drivers/clk/mmp/clk-of-pxa910.c @@ -282,7 +282,7 @@ static void __init pxa910_clk_init(struct device_node *np) } pxa_unit->apmu_base = of_iomap(np, 1); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apmu_base) { pr_err("failed to map apmu registers\n"); return; } @@ -294,7 +294,7 @@ static void __init pxa910_clk_init(struct device_node *np) } pxa_unit->apbcp_base = of_iomap(np, 3); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apbcp_base) { pr_err("failed to map apbcp registers\n"); return; } diff --git a/drivers/clk/rockchip/clk-ddr.c b/drivers/clk/rockchip/clk-ddr.c index 8feba93..e807535 100644 --- a/drivers/clk/rockchip/clk-ddr.c +++ b/drivers/clk/rockchip/clk-ddr.c @@ -144,11 +144,8 @@ struct clk *rockchip_clk_register_ddrclk(const char *name, int flags, ddrclk->ddr_flag = ddr_flag; clk = clk_register(NULL, &ddrclk->hw); - if (IS_ERR(clk)) { - pr_err("%s: could not register ddrclk %s\n", __func__, name); + if (IS_ERR(clk)) kfree(ddrclk); - return NULL; - } return clk; } diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c index 96fab6c..6c6afb87 100644 --- a/drivers/clk/samsung/clk-exynos-clkout.c +++ b/drivers/clk/samsung/clk-exynos-clkout.c @@ -132,28 +132,34 @@ free_clkout: pr_err("%s: failed to register clkout clock\n", __func__); } +/* + * We use CLK_OF_DECLARE_DRIVER initialization method to avoid setting + * the OF_POPULATED flag on the pmu device tree node, so later the + * Exynos PMU platform device can be properly probed with PMU driver. + */ + static void __init exynos4_clkout_init(struct device_node *node) { exynos_clkout_init(node, EXYNOS4_CLKOUT_MUX_MASK); } -CLK_OF_DECLARE(exynos4210_clkout, "samsung,exynos4210-pmu", +CLK_OF_DECLARE_DRIVER(exynos4210_clkout, "samsung,exynos4210-pmu", exynos4_clkout_init); -CLK_OF_DECLARE(exynos4212_clkout, "samsung,exynos4212-pmu", +CLK_OF_DECLARE_DRIVER(exynos4212_clkout, "samsung,exynos4212-pmu", exynos4_clkout_init); -CLK_OF_DECLARE(exynos4412_clkout, "samsung,exynos4412-pmu", +CLK_OF_DECLARE_DRIVER(exynos4412_clkout, "samsung,exynos4412-pmu", exynos4_clkout_init); -CLK_OF_DECLARE(exynos3250_clkout, "samsung,exynos3250-pmu", +CLK_OF_DECLARE_DRIVER(exynos3250_clkout, "samsung,exynos3250-pmu", exynos4_clkout_init); static void __init exynos5_clkout_init(struct device_node *node) { exynos_clkout_init(node, EXYNOS5_CLKOUT_MUX_MASK); } -CLK_OF_DECLARE(exynos5250_clkout, "samsung,exynos5250-pmu", +CLK_OF_DECLARE_DRIVER(exynos5250_clkout, "samsung,exynos5250-pmu", exynos5_clkout_init); -CLK_OF_DECLARE(exynos5410_clkout, "samsung,exynos5410-pmu", +CLK_OF_DECLARE_DRIVER(exynos5410_clkout, "samsung,exynos5410-pmu", exynos5_clkout_init); -CLK_OF_DECLARE(exynos5420_clkout, "samsung,exynos5420-pmu", +CLK_OF_DECLARE_DRIVER(exynos5420_clkout, "samsung,exynos5420-pmu", exynos5_clkout_init); -CLK_OF_DECLARE(exynos5433_clkout, "samsung,exynos5433-pmu", +CLK_OF_DECLARE_DRIVER(exynos5433_clkout, "samsung,exynos5433-pmu", exynos5_clkout_init); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index 2f9f96c..06879d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -395,9 +395,12 @@ static int acp_hw_fini(void *handle) { int i, ret; struct device *dev; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* return early if no ACP */ + if (!adev->acp.acp_genpd) + return 0; + for (i = 0; i < ACP_DEVS ; i++) { dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i); ret = pm_genpd_remove_device(&adev->acp.acp_genpd->gpd, dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 017556c..7ded61e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -809,10 +809,19 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, if (!adev->pm.fw) { switch (adev->asic_type) { case CHIP_TOPAZ: - strcpy(fw_name, "amdgpu/topaz_smc.bin"); + if (((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0x81)) || + ((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0x83)) || + ((adev->pdev->device == 0x6907) && (adev->pdev->revision == 0x87))) + strcpy(fw_name, "amdgpu/topaz_k_smc.bin"); + else + strcpy(fw_name, "amdgpu/topaz_smc.bin"); break; case CHIP_TONGA: - strcpy(fw_name, "amdgpu/tonga_smc.bin"); + if (((adev->pdev->device == 0x6939) && (adev->pdev->revision == 0xf1)) || + ((adev->pdev->device == 0x6938) && (adev->pdev->revision == 0xf1))) + strcpy(fw_name, "amdgpu/tonga_k_smc.bin"); + else + strcpy(fw_name, "amdgpu/tonga_smc.bin"); break; case CHIP_FIJI: strcpy(fw_name, "amdgpu/fiji_smc.bin"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 3af8ffb..8d1cf2d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -769,7 +769,7 @@ static void amdgpu_connector_unregister(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - if (amdgpu_connector->ddc_bus->has_aux) { + if (amdgpu_connector->ddc_bus && amdgpu_connector->ddc_bus->has_aux) { drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux); amdgpu_connector->ddc_bus->has_aux = false; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 6bb4d9e..42da616 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -742,8 +742,20 @@ static struct pci_driver amdgpu_kms_pci_driver = { static int __init amdgpu_init(void) { - amdgpu_sync_init(); - amdgpu_fence_slab_init(); + int r; + + r = amdgpu_sync_init(); + if (r) + goto error_sync; + + r = amdgpu_fence_slab_init(); + if (r) + goto error_fence; + + r = amd_sched_fence_slab_init(); + if (r) + goto error_sched; + if (vgacon_text_force()) { DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n"); return -EINVAL; @@ -755,6 +767,15 @@ static int __init amdgpu_init(void) amdgpu_register_atpx_handler(); /* let modprobe override vga console setting */ return drm_pci_init(driver, pdriver); + +error_sched: + amdgpu_fence_slab_fini(); + +error_fence: + amdgpu_sync_fini(); + +error_sync: + return r; } static void __exit amdgpu_exit(void) @@ -763,6 +784,7 @@ static void __exit amdgpu_exit(void) drm_pci_exit(driver, pdriver); amdgpu_unregister_atpx_handler(); amdgpu_sync_fini(); + amd_sched_fence_slab_fini(); amdgpu_fence_slab_fini(); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index ad90861..d1cf9ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -99,6 +99,8 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) if ((amdgpu_runtime_pm != 0) && amdgpu_has_atpx() && + (amdgpu_is_atpx_hybrid() || + amdgpu_has_atpx_dgpu_power_cntl()) && ((flags & AMD_IS_APU) == 0)) flags |= AMD_IS_PX; diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 52d0a83..0b21e7b 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -80,7 +80,9 @@ #include "dce_virtual.h" MODULE_FIRMWARE("amdgpu/topaz_smc.bin"); +MODULE_FIRMWARE("amdgpu/topaz_k_smc.bin"); MODULE_FIRMWARE("amdgpu/tonga_smc.bin"); +MODULE_FIRMWARE("amdgpu/tonga_k_smc.bin"); MODULE_FIRMWARE("amdgpu/fiji_smc.bin"); MODULE_FIRMWARE("amdgpu/polaris10_smc.bin"); MODULE_FIRMWARE("amdgpu/polaris10_smc_sk.bin"); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c index 14f8c1f..0723758 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c @@ -272,7 +272,7 @@ bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hw PHM_FUNC_CHECK(hwmgr); if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL) - return -EINVAL; + return false; return hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration(hwmgr); } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 2ba7937..e03dcb6 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -710,8 +710,10 @@ int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint32_t vol; int ret = 0; - if (hwmgr->chip_id < CHIP_POLARIS10) { - atomctrl_get_voltage_evv_on_sclk(hwmgr, voltage_type, sclk, id, voltage); + if (hwmgr->chip_id < CHIP_TONGA) { + ret = atomctrl_get_voltage_evv(hwmgr, id, voltage); + } else if (hwmgr->chip_id < CHIP_POLARIS10) { + ret = atomctrl_get_voltage_evv_on_sclk(hwmgr, voltage_type, sclk, id, voltage); if (*voltage >= 2000 || *voltage == 0) *voltage = 1150; } else { diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 9e49f27..28e748d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -1474,19 +1474,19 @@ static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr) struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table = NULL; - if (table_info == NULL) - return -EINVAL; - - sclk_table = table_info->vdd_dep_on_sclk; - for (i = 0; i < SMU7_MAX_LEAKAGE_COUNT; i++) { vv_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) { - if (0 == phm_get_sclk_for_voltage_evv(hwmgr, + if ((hwmgr->pp_table_version == PP_TABLE_V1) + && !phm_get_sclk_for_voltage_evv(hwmgr, table_info->vddgfx_lookup_table, vv_id, &sclk)) { if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ClockStretcher)) { + if (table_info == NULL) + return -EINVAL; + sclk_table = table_info->vdd_dep_on_sclk; + for (j = 1; j < sclk_table->count; j++) { if (sclk_table->entries[j].clk == sclk && sclk_table->entries[j].cks_enable == 0) { @@ -1512,12 +1512,15 @@ static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr) } } } else { - if ((hwmgr->pp_table_version == PP_TABLE_V0) || !phm_get_sclk_for_voltage_evv(hwmgr, table_info->vddc_lookup_table, vv_id, &sclk)) { if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ClockStretcher)) { + if (table_info == NULL) + return -EINVAL; + sclk_table = table_info->vdd_dep_on_sclk; + for (j = 1; j < sclk_table->count; j++) { if (sclk_table->entries[j].clk == sclk && sclk_table->entries[j].cks_enable == 0) { @@ -2147,9 +2150,11 @@ static int smu7_patch_limits_vddc(struct pp_hwmgr *hwmgr, struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); if (tab) { + vddc = tab->vddc; smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddc, &data->vddc_leakage); tab->vddc = vddc; + vddci = tab->vddci; smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddci, &data->vddci_leakage); tab->vddci = vddci; @@ -4247,18 +4252,26 @@ static int smu7_get_sclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) { struct phm_ppt_v1_information *table_info = (struct phm_ppt_v1_information *)hwmgr->pptable; - struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table; + struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table = NULL; + struct phm_clock_voltage_dependency_table *sclk_table; int i; - if (table_info == NULL) - return -EINVAL; - - dep_sclk_table = table_info->vdd_dep_on_sclk; - - for (i = 0; i < dep_sclk_table->count; i++) { - clocks->clock[i] = dep_sclk_table->entries[i].clk; - clocks->count++; + if (hwmgr->pp_table_version == PP_TABLE_V1) { + if (table_info == NULL || table_info->vdd_dep_on_sclk == NULL) + return -EINVAL; + dep_sclk_table = table_info->vdd_dep_on_sclk; + for (i = 0; i < dep_sclk_table->count; i++) { + clocks->clock[i] = dep_sclk_table->entries[i].clk; + clocks->count++; + } + } else if (hwmgr->pp_table_version == PP_TABLE_V0) { + sclk_table = hwmgr->dyn_state.vddc_dependency_on_sclk; + for (i = 0; i < sclk_table->count; i++) { + clocks->clock[i] = sclk_table->entries[i].clk; + clocks->count++; + } } + return 0; } @@ -4280,17 +4293,24 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) (struct phm_ppt_v1_information *)hwmgr->pptable; struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table; int i; + struct phm_clock_voltage_dependency_table *mclk_table; - if (table_info == NULL) - return -EINVAL; - - dep_mclk_table = table_info->vdd_dep_on_mclk; - - for (i = 0; i < dep_mclk_table->count; i++) { - clocks->clock[i] = dep_mclk_table->entries[i].clk; - clocks->latency[i] = smu7_get_mem_latency(hwmgr, + if (hwmgr->pp_table_version == PP_TABLE_V1) { + if (table_info == NULL) + return -EINVAL; + dep_mclk_table = table_info->vdd_dep_on_mclk; + for (i = 0; i < dep_mclk_table->count; i++) { + clocks->clock[i] = dep_mclk_table->entries[i].clk; + clocks->latency[i] = smu7_get_mem_latency(hwmgr, dep_mclk_table->entries[i].clk); - clocks->count++; + clocks->count++; + } + } else if (hwmgr->pp_table_version == PP_TABLE_V0) { + mclk_table = hwmgr->dyn_state.vddc_dependency_on_mclk; + for (i = 0; i < mclk_table->count; i++) { + clocks->clock[i] = mclk_table->entries[i].clk; + clocks->count++; + } } return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c index fb6c6f6..29d0319 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c @@ -30,7 +30,7 @@ int smu7_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info) { if (hwmgr->thermal_controller.fanInfo.bNoFan) - return 0; + return -ENODEV; fan_speed_info->supports_percent_read = true; fan_speed_info->supports_percent_write = true; @@ -60,7 +60,7 @@ int smu7_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint64_t tmp64; if (hwmgr->thermal_controller.fanInfo.bNoFan) - return 0; + return -ENODEV; duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); @@ -89,7 +89,7 @@ int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) if (hwmgr->thermal_controller.fanInfo.bNoFan || (hwmgr->thermal_controller.fanInfo. ucTachometerPulsesPerRevolution == 0)) - return 0; + return -ENODEV; tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_TACH_STATUS, TACH_PERIOD); diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 09b2cf6..1bf83ed 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -34,9 +34,6 @@ static bool amd_sched_entity_is_ready(struct amd_sched_entity *entity); static void amd_sched_wakeup(struct amd_gpu_scheduler *sched); static void amd_sched_process_job(struct dma_fence *f, struct dma_fence_cb *cb); -struct kmem_cache *sched_fence_slab; -atomic_t sched_fence_slab_ref = ATOMIC_INIT(0); - /* Initialize a given run queue struct */ static void amd_sched_rq_init(struct amd_sched_rq *rq) { @@ -619,13 +616,6 @@ int amd_sched_init(struct amd_gpu_scheduler *sched, INIT_LIST_HEAD(&sched->ring_mirror_list); spin_lock_init(&sched->job_list_lock); atomic_set(&sched->hw_rq_count, 0); - if (atomic_inc_return(&sched_fence_slab_ref) == 1) { - sched_fence_slab = kmem_cache_create( - "amd_sched_fence", sizeof(struct amd_sched_fence), 0, - SLAB_HWCACHE_ALIGN, NULL); - if (!sched_fence_slab) - return -ENOMEM; - } /* Each scheduler will run on a seperate kernel thread */ sched->thread = kthread_run(amd_sched_main, sched, sched->name); @@ -646,7 +636,4 @@ void amd_sched_fini(struct amd_gpu_scheduler *sched) { if (sched->thread) kthread_stop(sched->thread); - rcu_barrier(); - if (atomic_dec_and_test(&sched_fence_slab_ref)) - kmem_cache_destroy(sched_fence_slab); } diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 876aa43..d8dc681 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -30,9 +30,6 @@ struct amd_gpu_scheduler; struct amd_sched_rq; -extern struct kmem_cache *sched_fence_slab; -extern atomic_t sched_fence_slab_ref; - /** * A scheduler entity is a wrapper around a job queue or a group * of other entities. Entities take turns emitting jobs from their @@ -145,6 +142,9 @@ void amd_sched_entity_fini(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity); void amd_sched_entity_push_job(struct amd_sched_job *sched_job); +int amd_sched_fence_slab_init(void); +void amd_sched_fence_slab_fini(void); + struct amd_sched_fence *amd_sched_fence_create( struct amd_sched_entity *s_entity, void *owner); void amd_sched_fence_scheduled(struct amd_sched_fence *fence); diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c index 91530e2..33f54d0 100644 --- a/drivers/gpu/drm/amd/scheduler/sched_fence.c +++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c @@ -27,6 +27,25 @@ #include <drm/drmP.h> #include "gpu_scheduler.h" +static struct kmem_cache *sched_fence_slab; + +int amd_sched_fence_slab_init(void) +{ + sched_fence_slab = kmem_cache_create( + "amd_sched_fence", sizeof(struct amd_sched_fence), 0, + SLAB_HWCACHE_ALIGN, NULL); + if (!sched_fence_slab) + return -ENOMEM; + + return 0; +} + +void amd_sched_fence_slab_fini(void) +{ + rcu_barrier(); + kmem_cache_destroy(sched_fence_slab); +} + struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *entity, void *owner) { diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 6dbb986..de4da25 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -303,9 +303,10 @@ void drm_minor_release(struct drm_minor *minor) * callbacks implemented by the driver. The driver then needs to initialize all * the various subsystems for the drm device like memory management, vblank * handling, modesetting support and intial output configuration plus obviously - * initialize all the corresponding hardware bits. Finally when everything is up - * and running and ready for userspace the device instance can be published - * using drm_dev_register(). + * initialize all the corresponding hardware bits. An important part of this is + * also calling drm_dev_set_unique() to set the userspace-visible unique name of + * this device instance. Finally when everything is up and running and ready for + * userspace the device instance can be published using drm_dev_register(). * * There is also deprecated support for initalizing device instances using * bus-specific helpers and the ->load() callback. But due to @@ -327,17 +328,6 @@ void drm_minor_release(struct drm_minor *minor) * dev_priv field of &drm_device. */ -static int drm_dev_set_unique(struct drm_device *dev, const char *name) -{ - if (!name) - return -EINVAL; - - kfree(dev->unique); - dev->unique = kstrdup(name, GFP_KERNEL); - - return dev->unique ? 0 : -ENOMEM; -} - /** * drm_put_dev - Unregister and release a DRM device * @dev: DRM device @@ -760,6 +750,26 @@ void drm_dev_unregister(struct drm_device *dev) } EXPORT_SYMBOL(drm_dev_unregister); +/** + * drm_dev_set_unique - Set the unique name of a DRM device + * @dev: device of which to set the unique name + * @name: unique name + * + * Sets the unique name of a DRM device using the specified string. Drivers + * can use this at driver probe time if the unique name of the devices they + * drive is static. + * + * Return: 0 on success or a negative error code on failure. + */ +int drm_dev_set_unique(struct drm_device *dev, const char *name) +{ + kfree(dev->unique); + dev->unique = kstrdup(name, GFP_KERNEL); + + return dev->unique ? 0 : -ENOMEM; +} +EXPORT_SYMBOL(drm_dev_set_unique); + /* * DRM Core * The DRM core module initializes all global DRM objects and makes them diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 4e1ae3f..6be515a 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -68,6 +68,12 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, ipu_dc_disable_channel(ipu_crtc->dc); ipu_di_disable(ipu_crtc->di); + /* + * Planes must be disabled before DC clock is removed, as otherwise the + * attached IDMACs will be left in undefined state, possibly hanging + * the IPU or even system. + */ + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); ipu_dc_disable(ipu); spin_lock_irq(&crtc->dev->event_lock); @@ -77,9 +83,6 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, } spin_unlock_irq(&crtc->dev->event_lock); - /* always disable planes on the CRTC */ - drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, true); - drm_crtc_vblank_off(crtc); } diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index f05ed0e..6f24002 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -139,6 +139,7 @@ struct msm_dsi_host { u32 err_work_state; struct work_struct err_work; + struct work_struct hpd_work; struct workqueue_struct *workqueue; /* DSI 6G TX buffer*/ @@ -1294,6 +1295,14 @@ static void dsi_sw_reset_restore(struct msm_dsi_host *msm_host) wmb(); /* make sure dsi controller enabled again */ } +static void dsi_hpd_worker(struct work_struct *work) +{ + struct msm_dsi_host *msm_host = + container_of(work, struct msm_dsi_host, hpd_work); + + drm_helper_hpd_irq_event(msm_host->dev); +} + static void dsi_err_worker(struct work_struct *work) { struct msm_dsi_host *msm_host = @@ -1480,7 +1489,7 @@ static int dsi_host_attach(struct mipi_dsi_host *host, DBG("id=%d", msm_host->id); if (msm_host->dev) - drm_helper_hpd_irq_event(msm_host->dev); + queue_work(msm_host->workqueue, &msm_host->hpd_work); return 0; } @@ -1494,7 +1503,7 @@ static int dsi_host_detach(struct mipi_dsi_host *host, DBG("id=%d", msm_host->id); if (msm_host->dev) - drm_helper_hpd_irq_event(msm_host->dev); + queue_work(msm_host->workqueue, &msm_host->hpd_work); return 0; } @@ -1748,6 +1757,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) /* setup workqueue */ msm_host->workqueue = alloc_ordered_workqueue("dsi_drm_work", 0); INIT_WORK(&msm_host->err_work, dsi_err_worker); + INIT_WORK(&msm_host->hpd_work, dsi_hpd_worker); msm_dsi->host = &msm_host->base; msm_dsi->id = msm_host->id; diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c index 598fdaf..26e3a01 100644 --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c @@ -521,6 +521,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) .parent_names = (const char *[]){ "xo" }, .num_parents = 1, .name = vco_name, + .flags = CLK_IGNORE_UNUSED, .ops = &clk_ops_dsi_pll_28nm_vco, }; struct device *dev = &pll_28nm->pdev->dev; diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c index 38c90e1..4900845 100644 --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c @@ -412,6 +412,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) struct clk_init_data vco_init = { .parent_names = (const char *[]){ "pxo" }, .num_parents = 1, + .flags = CLK_IGNORE_UNUSED, .ops = &clk_ops_dsi_pll_28nm_vco, }; struct device *dev = &pll_28nm->pdev->dev; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c index aa94a55..143eab4 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c @@ -702,6 +702,7 @@ static struct clk_init_data pll_init = { .ops = &hdmi_8996_pll_ops, .parent_names = hdmi_pll_parents, .num_parents = ARRAY_SIZE(hdmi_pll_parents), + .flags = CLK_IGNORE_UNUSED, }; int msm_hdmi_pll_8996_init(struct platform_device *pdev) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c index 92da69a..9959075 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c @@ -424,6 +424,7 @@ static struct clk_init_data pll_init = { .ops = &hdmi_pll_ops, .parent_names = hdmi_pll_parents, .num_parents = ARRAY_SIZE(hdmi_pll_parents), + .flags = CLK_IGNORE_UNUSED, }; int msm_hdmi_pll_8960_init(struct platform_device *pdev) diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c index ac9e4cd..8b4e300 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c @@ -272,7 +272,7 @@ const struct mdp5_cfg_hw msm8x16_config = { .count = 2, .base = { 0x14000, 0x16000 }, .caps = MDP_PIPE_CAP_HFLIP | MDP_PIPE_CAP_VFLIP | - MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_DECIMATION, + MDP_PIPE_CAP_DECIMATION, }, .pipe_dma = { .count = 1, @@ -282,7 +282,7 @@ const struct mdp5_cfg_hw msm8x16_config = { .lm = { .count = 2, /* LM0 and LM3 */ .base = { 0x44000, 0x47000 }, - .nb_stages = 5, + .nb_stages = 8, .max_width = 2048, .max_height = 0xFFFF, }, diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index fa2be7c..c205c36 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -223,12 +223,7 @@ static void blend_setup(struct drm_crtc *crtc) plane_cnt++; } - /* - * If there is no base layer, enable border color. - * Although it's not possbile in current blend logic, - * put it here as a reminder. - */ - if (!pstates[STAGE_BASE] && plane_cnt) { + if (!pstates[STAGE_BASE]) { ctl_blend_flags |= MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT; DBG("Border Color is enabled"); } @@ -365,6 +360,15 @@ static int pstate_cmp(const void *a, const void *b) return pa->state->zpos - pb->state->zpos; } +/* is there a helper for this? */ +static bool is_fullscreen(struct drm_crtc_state *cstate, + struct drm_plane_state *pstate) +{ + return (pstate->crtc_x <= 0) && (pstate->crtc_y <= 0) && + ((pstate->crtc_x + pstate->crtc_w) >= cstate->mode.hdisplay) && + ((pstate->crtc_y + pstate->crtc_h) >= cstate->mode.vdisplay); +} + static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { @@ -375,21 +379,11 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, struct plane_state pstates[STAGE_MAX + 1]; const struct mdp5_cfg_hw *hw_cfg; const struct drm_plane_state *pstate; - int cnt = 0, i; + int cnt = 0, base = 0, i; DBG("%s: check", mdp5_crtc->name); - /* verify that there are not too many planes attached to crtc - * and that we don't have conflicting mixer stages: - */ - hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg); drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) { - if (cnt >= (hw_cfg->lm.nb_stages)) { - dev_err(dev->dev, "too many planes!\n"); - return -EINVAL; - } - - pstates[cnt].plane = plane; pstates[cnt].state = to_mdp5_plane_state(pstate); @@ -399,8 +393,24 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, /* assign a stage based on sorted zpos property */ sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL); + /* if the bottom-most layer is not fullscreen, we need to use + * it for solid-color: + */ + if ((cnt > 0) && !is_fullscreen(state, &pstates[0].state->base)) + base++; + + /* verify that there are not too many planes attached to crtc + * and that we don't have conflicting mixer stages: + */ + hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg); + + if ((cnt + base) >= hw_cfg->lm.nb_stages) { + dev_err(dev->dev, "too many planes!\n"); + return -EINVAL; + } + for (i = 0; i < cnt; i++) { - pstates[i].state->stage = STAGE_BASE + i; + pstates[i].state->stage = STAGE_BASE + i + base; DBG("%s: assign pipe %s on stage=%d", mdp5_crtc->name, pipe2name(mdp5_plane_pipe(pstates[i].plane)), pstates[i].state->stage); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 8bf55e3..81c0562 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -307,8 +307,7 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane, format = to_mdp_format(msm_framebuffer_format(state->fb)); if (MDP_FORMAT_IS_YUV(format) && !pipe_supports_yuv(mdp5_plane->caps)) { - dev_err(plane->dev->dev, - "Pipe doesn't support YUV\n"); + DBG("Pipe doesn't support YUV\n"); return -EINVAL; } @@ -316,8 +315,7 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane, if (!(mdp5_plane->caps & MDP_PIPE_CAP_SCALE) && (((state->src_w >> 16) != state->crtc_w) || ((state->src_h >> 16) != state->crtc_h))) { - dev_err(plane->dev->dev, - "Pipe doesn't support scaling (%dx%d -> %dx%d)\n", + DBG("Pipe doesn't support scaling (%dx%d -> %dx%d)\n", state->src_w >> 16, state->src_h >> 16, state->crtc_w, state->crtc_h); @@ -333,8 +331,7 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane, if ((vflip && !(mdp5_plane->caps & MDP_PIPE_CAP_VFLIP)) || (hflip && !(mdp5_plane->caps & MDP_PIPE_CAP_HFLIP))) { - dev_err(plane->dev->dev, - "Pipe doesn't support flip\n"); + DBG("Pipe doesn't support flip\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 8d21fb2..440c00f 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -234,7 +234,7 @@ static int msm_drm_uninit(struct device *dev) flush_workqueue(priv->atomic_wq); destroy_workqueue(priv->atomic_wq); - if (kms) + if (kms && kms->funcs) kms->funcs->destroy(kms); if (gpu) { diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 283d284..192b2d3 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -163,6 +163,9 @@ void msm_gem_shrinker_init(struct drm_device *dev) void msm_gem_shrinker_cleanup(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; - WARN_ON(unregister_vmap_purge_notifier(&priv->vmap_notifier)); - unregister_shrinker(&priv->shrinker); + + if (priv->shrinker.nr_deferred) { + WARN_ON(unregister_vmap_purge_notifier(&priv->vmap_notifier)); + unregister_shrinker(&priv->shrinker); + } } diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index 04270f5..74fc936 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -578,7 +578,7 @@ int qxl_hw_surface_dealloc(struct qxl_device *qdev, return 0; } -int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf) +static int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf) { struct qxl_rect rect; int ret; diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index a61c0d4..4b5eab8 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -36,7 +36,7 @@ static bool qxl_head_enabled(struct qxl_head *head) return head->width && head->height; } -void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) +static void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) { if (qdev->client_monitors_config && count > qdev->client_monitors_config->count) { @@ -57,11 +57,18 @@ void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) qdev->client_monitors_config->count = count; } +enum { + MONITORS_CONFIG_MODIFIED, + MONITORS_CONFIG_UNCHANGED, + MONITORS_CONFIG_BAD_CRC, +}; + static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) { int i; int num_monitors; uint32_t crc; + int status = MONITORS_CONFIG_UNCHANGED; num_monitors = qdev->rom->client_monitors_config.count; crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, @@ -70,7 +77,7 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc, sizeof(qdev->rom->client_monitors_config), qdev->rom->client_monitors_config_crc); - return 1; + return MONITORS_CONFIG_BAD_CRC; } if (num_monitors > qdev->monitors_config->max_allowed) { DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n", @@ -79,6 +86,10 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) } else { num_monitors = qdev->rom->client_monitors_config.count; } + if (qdev->client_monitors_config + && (num_monitors != qdev->client_monitors_config->count)) { + status = MONITORS_CONFIG_MODIFIED; + } qxl_alloc_client_monitors_config(qdev, num_monitors); /* we copy max from the client but it isn't used */ qdev->client_monitors_config->max_allowed = @@ -88,17 +99,39 @@ static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) &qdev->rom->client_monitors_config.heads[i]; struct qxl_head *client_head = &qdev->client_monitors_config->heads[i]; - client_head->x = c_rect->left; - client_head->y = c_rect->top; - client_head->width = c_rect->right - c_rect->left; - client_head->height = c_rect->bottom - c_rect->top; - client_head->surface_id = 0; - client_head->id = i; - client_head->flags = 0; + if (client_head->x != c_rect->left) { + client_head->x = c_rect->left; + status = MONITORS_CONFIG_MODIFIED; + } + if (client_head->y != c_rect->top) { + client_head->y = c_rect->top; + status = MONITORS_CONFIG_MODIFIED; + } + if (client_head->width != c_rect->right - c_rect->left) { + client_head->width = c_rect->right - c_rect->left; + status = MONITORS_CONFIG_MODIFIED; + } + if (client_head->height != c_rect->bottom - c_rect->top) { + client_head->height = c_rect->bottom - c_rect->top; + status = MONITORS_CONFIG_MODIFIED; + } + if (client_head->surface_id != 0) { + client_head->surface_id = 0; + status = MONITORS_CONFIG_MODIFIED; + } + if (client_head->id != i) { + client_head->id = i; + status = MONITORS_CONFIG_MODIFIED; + } + if (client_head->flags != 0) { + client_head->flags = 0; + status = MONITORS_CONFIG_MODIFIED; + } DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height, client_head->x, client_head->y); } - return 0; + + return status; } static void qxl_update_offset_props(struct qxl_device *qdev) @@ -124,9 +157,18 @@ void qxl_display_read_client_monitors_config(struct qxl_device *qdev) { struct drm_device *dev = qdev->ddev; - while (qxl_display_copy_rom_client_monitors_config(qdev)) { + int status; + + status = qxl_display_copy_rom_client_monitors_config(qdev); + while (status == MONITORS_CONFIG_BAD_CRC) { qxl_io_log(qdev, "failed crc check for client_monitors_config," " retrying\n"); + status = qxl_display_copy_rom_client_monitors_config(qdev); + } + if (status == MONITORS_CONFIG_UNCHANGED) { + qxl_io_log(qdev, "config unchanged\n"); + DRM_DEBUG("ignoring unchanged client monitors config"); + return; } drm_modeset_lock_all(dev); @@ -157,6 +199,9 @@ static int qxl_add_monitors_config_modes(struct drm_connector *connector, mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, false); mode->type |= DRM_MODE_TYPE_PREFERRED; + mode->hdisplay = head->width; + mode->vdisplay = head->height; + drm_mode_set_name(mode); *pwidth = head->width; *pheight = head->height; drm_mode_probed_add(connector, mode); @@ -607,7 +652,7 @@ static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, return true; } -void +static void qxl_send_monitors_config(struct qxl_device *qdev) { int i; diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 84995eb..785aad4 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -395,16 +395,11 @@ qxl_framebuffer_init(struct drm_device *dev, struct drm_gem_object *obj, const struct drm_framebuffer_funcs *funcs); void qxl_display_read_client_monitors_config(struct qxl_device *qdev); -void qxl_send_monitors_config(struct qxl_device *qdev); int qxl_create_monitors_object(struct qxl_device *qdev); int qxl_destroy_monitors_object(struct qxl_device *qdev); -/* used by qxl_debugfs only */ -void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev); -void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count); - /* qxl_gem.c */ -int qxl_gem_init(struct qxl_device *qdev); +void qxl_gem_init(struct qxl_device *qdev); void qxl_gem_fini(struct qxl_device *qdev); int qxl_gem_object_create(struct qxl_device *qdev, int size, int alignment, int initial_domain, @@ -574,6 +569,5 @@ int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo); struct qxl_drv_surface * qxl_surface_lookup(struct drm_device *dev, int surface_id); void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing); -int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf); #endif diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c index 7e305d8..fd7e5e9 100644 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ b/drivers/gpu/drm/qxl/qxl_fb.c @@ -191,7 +191,7 @@ static int qxlfb_framebuffer_dirty(struct drm_framebuffer *fb, /* * we are using a shadow draw buffer, at qdev->surface0_shadow */ - qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]", clips->x1, clips->x2, + qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]\n", clips->x1, clips->x2, clips->y1, clips->y2); image->dx = clips->x1; image->dy = clips->y1; diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c index d9746e9..3f185c4 100644 --- a/drivers/gpu/drm/qxl/qxl_gem.c +++ b/drivers/gpu/drm/qxl/qxl_gem.c @@ -111,10 +111,9 @@ void qxl_gem_object_close(struct drm_gem_object *obj, { } -int qxl_gem_init(struct qxl_device *qdev) +void qxl_gem_init(struct qxl_device *qdev) { INIT_LIST_HEAD(&qdev->gem.objects); - return 0; } void qxl_gem_fini(struct qxl_device *qdev) diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index e642242..af685f1 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -131,7 +131,7 @@ static int qxl_device_init(struct qxl_device *qdev, mutex_init(&qdev->update_area_mutex); mutex_init(&qdev->release_mutex); mutex_init(&qdev->surf_evict_mutex); - INIT_LIST_HEAD(&qdev->gem.objects); + qxl_gem_init(qdev); qdev->rom_base = pci_resource_start(pdev, 2); qdev->rom_size = pci_resource_len(pdev, 2); @@ -273,6 +273,7 @@ static void qxl_device_fini(struct qxl_device *qdev) qxl_ring_free(qdev->command_ring); qxl_ring_free(qdev->cursor_ring); qxl_ring_free(qdev->release_ring); + qxl_gem_fini(qdev); qxl_bo_fini(qdev); io_mapping_free(qdev->surface_mapping); io_mapping_free(qdev->vram_mapping); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index e18839d..27affbd 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -931,7 +931,7 @@ static void radeon_connector_unregister(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); - if (radeon_connector->ddc_bus->has_aux) { + if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); radeon_connector->ddc_bus->has_aux = false; } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 0be8d5cd..60a8920 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -104,6 +104,14 @@ static const char radeon_family_name[][16] = { "LAST", }; +#if defined(CONFIG_VGA_SWITCHEROO) +bool radeon_has_atpx_dgpu_power_cntl(void); +bool radeon_is_atpx_hybrid(void); +#else +static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; } +static inline bool radeon_is_atpx_hybrid(void) { return false; } +#endif + #define RADEON_PX_QUIRK_DISABLE_PX (1 << 0) #define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1) @@ -160,6 +168,11 @@ static void radeon_device_handle_px_quirks(struct radeon_device *rdev) if (rdev->px_quirk_flags & RADEON_PX_QUIRK_DISABLE_PX) rdev->flags &= ~RADEON_IS_PX; + + /* disable PX is the system doesn't support dGPU power control or hybrid gfx */ + if (!radeon_is_atpx_hybrid() && + !radeon_has_atpx_dgpu_power_cntl()) + rdev->flags &= ~RADEON_IS_PX; } /** diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 29f0207..873f010 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -98,17 +98,23 @@ success: static int udl_select_std_channel(struct udl_device *udl) { int ret; - u8 set_def_chn[] = {0x57, 0xCD, 0xDC, 0xA7, - 0x1C, 0x88, 0x5E, 0x15, - 0x60, 0xFE, 0xC6, 0x97, - 0x16, 0x3D, 0x47, 0xF2}; + static const u8 set_def_chn[] = {0x57, 0xCD, 0xDC, 0xA7, + 0x1C, 0x88, 0x5E, 0x15, + 0x60, 0xFE, 0xC6, 0x97, + 0x16, 0x3D, 0x47, 0xF2}; + void *sendbuf; + + sendbuf = kmemdup(set_def_chn, sizeof(set_def_chn), GFP_KERNEL); + if (!sendbuf) + return -ENOMEM; ret = usb_control_msg(udl->udev, usb_sndctrlpipe(udl->udev, 0), NR_USB_REQUEST_CHANNEL, (USB_DIR_OUT | USB_TYPE_VENDOR), 0, 0, - set_def_chn, sizeof(set_def_chn), + sendbuf, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT); + kfree(sendbuf); return ret < 0 ? ret : 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c index 49e5996..3b97d50 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c +++ b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c @@ -28,16 +28,6 @@ #include "virtgpu_drv.h" -int drm_virtio_set_busid(struct drm_device *dev, struct drm_master *master) -{ - struct pci_dev *pdev = dev->pdev; - - if (pdev) { - return drm_pci_set_busid(dev, master); - } - return 0; -} - static void virtio_pci_kick_out_firmware_fb(struct pci_dev *pci_dev) { struct apertures_struct *ap; @@ -71,13 +61,22 @@ int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev) if (strcmp(vdev->dev.parent->bus->name, "pci") == 0) { struct pci_dev *pdev = to_pci_dev(vdev->dev.parent); + const char *pname = dev_name(&pdev->dev); bool vga = (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA; + char unique[20]; - DRM_INFO("pci: %s detected\n", - vga ? "virtio-vga" : "virtio-gpu-pci"); + DRM_INFO("pci: %s detected at %s\n", + vga ? "virtio-vga" : "virtio-gpu-pci", + pname); dev->pdev = pdev; if (vga) virtio_pci_kick_out_firmware_fb(pdev); + + snprintf(unique, sizeof(unique), "pci:%s", pname); + ret = drm_dev_set_unique(dev, unique); + if (ret) + goto err_free; + } ret = drm_dev_register(dev, 0); diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index 04d98db..d824898 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -115,7 +115,6 @@ static const struct file_operations virtio_gpu_driver_fops = { static struct drm_driver driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER | DRIVER_ATOMIC, - .set_busid = drm_virtio_set_busid, .load = virtio_gpu_driver_load, .unload = virtio_gpu_driver_unload, .open = virtio_gpu_driver_open, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index ec1ebdc..08906c8 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -49,7 +49,6 @@ #define DRIVER_PATCHLEVEL 1 /* virtgpu_drm_bus.c */ -int drm_virtio_set_busid(struct drm_device *dev, struct drm_master *master); int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev); struct virtio_gpu_object { diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 5a0f8a7..974f941 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -75,7 +75,7 @@ void virtio_gpu_cursor_ack(struct virtqueue *vq) int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev) { struct virtio_gpu_vbuffer *vbuf; - int i, size, count = 0; + int i, size, count = 16; void *ptr; INIT_LIST_HEAD(&vgdev->free_vbufs); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 6cfb5ca..575aa65 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -179,6 +179,7 @@ #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 #define USB_DEVICE_ID_ATEN_CS682 0x2213 +#define USB_DEVICE_ID_ATEN_CS692 0x8021 #define USB_VENDOR_ID_ATMEL 0x03eb #define USB_DEVICE_ID_ATMEL_MULTITOUCH 0x211c diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c index 5614fee..3a84aaf 100644 --- a/drivers/hid/hid-sensor-custom.c +++ b/drivers/hid/hid-sensor-custom.c @@ -292,11 +292,11 @@ static ssize_t show_value(struct device *dev, struct device_attribute *attr, bool input = false; int value = 0; - if (sscanf(attr->attr.name, "feature-%d-%x-%s", &index, &usage, + if (sscanf(attr->attr.name, "feature-%x-%x-%s", &index, &usage, name) == 3) { feature = true; field_index = index + sensor_inst->input_field_count; - } else if (sscanf(attr->attr.name, "input-%d-%x-%s", &index, &usage, + } else if (sscanf(attr->attr.name, "input-%x-%x-%s", &index, &usage, name) == 3) { input = true; field_index = index; @@ -398,7 +398,7 @@ static ssize_t store_value(struct device *dev, struct device_attribute *attr, char name[HID_CUSTOM_NAME_LENGTH]; int value; - if (sscanf(attr->attr.name, "feature-%d-%x-%s", &index, &usage, + if (sscanf(attr->attr.name, "feature-%x-%x-%s", &index, &usage, name) == 3) { field_index = index + sensor_inst->input_field_count; } else diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 658a607..c5c3d61 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -251,6 +251,9 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); int report_size; int ret = 0; + u8 *val_ptr; + int buffer_index = 0; + int i; mutex_lock(&data->mutex); report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); @@ -271,7 +274,17 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, goto done_proc; } ret = min(report_size, buffer_size); - memcpy(buffer, report->field[field_index]->value, ret); + + val_ptr = (u8 *)report->field[field_index]->value; + for (i = 0; i < report->field[field_index]->report_count; ++i) { + if (buffer_index >= ret) + break; + + memcpy(&((u8 *)buffer)[buffer_index], val_ptr, + report->field[field_index]->report_size / 8); + val_ptr += sizeof(__s32); + buffer_index += (report->field[field_index]->report_size / 8); + } done_proc: mutex_unlock(&data->mutex); diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c index e2517c1..0c9ac4d 100644 --- a/drivers/hid/intel-ish-hid/ipc/ipc.c +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c @@ -638,6 +638,58 @@ eoi: } /** + * ish_disable_dma() - disable dma communication between host and ISHFW + * @dev: ishtp device pointer + * + * Clear the dma enable bit and wait for dma inactive. + * + * Return: 0 for success else error code. + */ +static int ish_disable_dma(struct ishtp_device *dev) +{ + unsigned int dma_delay; + + /* Clear the dma enable bit */ + ish_reg_write(dev, IPC_REG_ISH_RMP2, 0); + + /* wait for dma inactive */ + for (dma_delay = 0; dma_delay < MAX_DMA_DELAY && + _ish_read_fw_sts_reg(dev) & (IPC_ISH_IN_DMA); + dma_delay += 5) + mdelay(5); + + if (dma_delay >= MAX_DMA_DELAY) { + dev_err(dev->devc, + "Wait for DMA inactive timeout\n"); + return -EBUSY; + } + + return 0; +} + +/** + * ish_wakeup() - wakeup ishfw from waiting-for-host state + * @dev: ishtp device pointer + * + * Set the dma enable bit and send a void message to FW, + * it wil wakeup FW from waiting-for-host state. + */ +static void ish_wakeup(struct ishtp_device *dev) +{ + /* Set dma enable bit */ + ish_reg_write(dev, IPC_REG_ISH_RMP2, IPC_RMP2_DMA_ENABLED); + + /* + * Send 0 IPC message so that ISH FW wakes up if it was already + * asleep. + */ + ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, IPC_DRBL_BUSY_BIT); + + /* Flush writes to doorbell and REMAP2 */ + ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); +} + +/** * _ish_hw_reset() - HW reset * @dev: ishtp device pointer * @@ -649,7 +701,6 @@ static int _ish_hw_reset(struct ishtp_device *dev) { struct pci_dev *pdev = dev->pdev; int rv; - unsigned int dma_delay; uint16_t csr; if (!pdev) @@ -664,15 +715,8 @@ static int _ish_hw_reset(struct ishtp_device *dev) return -EINVAL; } - /* Now trigger reset to FW */ - ish_reg_write(dev, IPC_REG_ISH_RMP2, 0); - - for (dma_delay = 0; dma_delay < MAX_DMA_DELAY && - _ish_read_fw_sts_reg(dev) & (IPC_ISH_IN_DMA); - dma_delay += 5) - mdelay(5); - - if (dma_delay >= MAX_DMA_DELAY) { + /* Disable dma communication between FW and host */ + if (ish_disable_dma(dev)) { dev_err(&pdev->dev, "Can't reset - stuck with DMA in-progress\n"); return -EBUSY; @@ -690,16 +734,8 @@ static int _ish_hw_reset(struct ishtp_device *dev) csr |= PCI_D0; pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, csr); - ish_reg_write(dev, IPC_REG_ISH_RMP2, IPC_RMP2_DMA_ENABLED); - - /* - * Send 0 IPC message so that ISH FW wakes up if it was already - * asleep - */ - ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, IPC_DRBL_BUSY_BIT); - - /* Flush writes to doorbell and REMAP2 */ - ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); + /* Now we can enable ISH DMA operation and wakeup ISHFW */ + ish_wakeup(dev); return 0; } @@ -758,16 +794,9 @@ static int _ish_ipc_reset(struct ishtp_device *dev) int ish_hw_start(struct ishtp_device *dev) { ish_set_host_rdy(dev); - /* After that we can enable ISH DMA operation */ - ish_reg_write(dev, IPC_REG_ISH_RMP2, IPC_RMP2_DMA_ENABLED); - /* - * Send 0 IPC message so that ISH FW wakes up if it was already - * asleep - */ - ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, IPC_DRBL_BUSY_BIT); - /* Flush write to doorbell */ - ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); + /* After that we can enable ISH DMA operation and wakeup ISHFW */ + ish_wakeup(dev); set_host_ready(dev); @@ -876,6 +905,21 @@ struct ishtp_device *ish_dev_init(struct pci_dev *pdev) */ void ish_device_disable(struct ishtp_device *dev) { + struct pci_dev *pdev = dev->pdev; + + if (!pdev) + return; + + /* Disable dma communication between FW and host */ + if (ish_disable_dma(dev)) { + dev_err(&pdev->dev, + "Can't reset - stuck with DMA in-progress\n"); + return; + } + + /* Put ISH to D3hot state for power saving */ + pci_set_power_state(pdev, PCI_D3hot); + dev->dev_state = ISHTP_DEV_DISABLED; ish_clr_host_rdy(dev); } diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index 42f0bee..20d647d 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -146,7 +146,7 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3; /* request and enable interrupt */ - ret = request_irq(pdev->irq, ish_irq_handler, IRQF_NO_SUSPEND, + ret = request_irq(pdev->irq, ish_irq_handler, IRQF_SHARED, KBUILD_MODNAME, dev); if (ret) { dev_err(&pdev->dev, "ISH: request IRQ failure (%d)\n", @@ -202,6 +202,7 @@ static void ish_remove(struct pci_dev *pdev) kfree(ishtp_dev); } +#ifdef CONFIG_PM static struct device *ish_resume_device; /** @@ -293,7 +294,6 @@ static int ish_resume(struct device *device) return 0; } -#ifdef CONFIG_PM static const struct dev_pm_ops ish_pm_ops = { .suspend = ish_suspend, .resume = ish_resume, @@ -301,7 +301,7 @@ static const struct dev_pm_ops ish_pm_ops = { #define ISHTP_ISH_PM_OPS (&ish_pm_ops) #else #define ISHTP_ISH_PM_OPS NULL -#endif +#endif /* CONFIG_PM */ static struct pci_driver ish_driver = { .name = KBUILD_MODNAME, diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 354d49e..e6cfd32 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -63,6 +63,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS682, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS692, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET }, diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index a259e18..0276d2e 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -961,7 +961,7 @@ int vmbus_device_register(struct hv_device *child_device_obj) { int ret = 0; - dev_set_name(&child_device_obj->device, "vmbus-%pUl", + dev_set_name(&child_device_obj->device, "%pUl", child_device_obj->channel->offermsg.offer.if_instance.b); child_device_obj->device.bus = &hv_bus; diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index adae684..a74c075 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -536,8 +536,10 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, hwdev->groups = devm_kcalloc(dev, ngroups, sizeof(*groups), GFP_KERNEL); - if (!hwdev->groups) - return ERR_PTR(-ENOMEM); + if (!hwdev->groups) { + err = -ENOMEM; + goto free_hwmon; + } attrs = __hwmon_create_attrs(dev, drvdata, chip); if (IS_ERR(attrs)) { diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index da3fb06..ce69048 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -743,8 +743,8 @@ static int st_accel_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - *val = 0; - *val2 = adata->current_fullscale->gain; + *val = adata->current_fullscale->gain / 1000000; + *val2 = adata->current_fullscale->gain % 1000000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SAMP_FREQ: *val = adata->odr; @@ -763,9 +763,13 @@ static int st_accel_write_raw(struct iio_dev *indio_dev, int err; switch (mask) { - case IIO_CHAN_INFO_SCALE: - err = st_sensors_set_fullscale_by_gain(indio_dev, val2); + case IIO_CHAN_INFO_SCALE: { + int gain; + + gain = val * 1000000 + val2; + err = st_sensors_set_fullscale_by_gain(indio_dev, gain); break; + } case IIO_CHAN_INFO_SAMP_FREQ: if (val2) return -EINVAL; diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index dc33c1d..b5beea53 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -30,26 +30,26 @@ static struct { u32 usage_id; int unit; /* 0 for default others from HID sensor spec */ int scale_val0; /* scale, whole number */ - int scale_val1; /* scale, fraction in micros */ + int scale_val1; /* scale, fraction in nanos */ } unit_conversion[] = { - {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650}, + {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650000}, {HID_USAGE_SENSOR_ACCEL_3D, HID_USAGE_SENSOR_UNITS_METERS_PER_SEC_SQRD, 1, 0}, {HID_USAGE_SENSOR_ACCEL_3D, - HID_USAGE_SENSOR_UNITS_G, 9, 806650}, + HID_USAGE_SENSOR_UNITS_G, 9, 806650000}, - {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453}, + {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453293}, {HID_USAGE_SENSOR_GYRO_3D, HID_USAGE_SENSOR_UNITS_RADIANS_PER_SECOND, 1, 0}, {HID_USAGE_SENSOR_GYRO_3D, - HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453}, + HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453293}, - {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000}, + {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000000}, {HID_USAGE_SENSOR_COMPASS_3D, HID_USAGE_SENSOR_UNITS_GAUSS, 1, 0}, - {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453}, + {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453293}, {HID_USAGE_SENSOR_INCLINOMETER_3D, - HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453}, + HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293}, {HID_USAGE_SENSOR_INCLINOMETER_3D, HID_USAGE_SENSOR_UNITS_RADIANS, 1, 0}, @@ -57,7 +57,7 @@ static struct { {HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0}, {HID_USAGE_SENSOR_PRESSURE, 0, 100, 0}, - {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000}, + {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000000}, }; static int pow_10(unsigned power) @@ -266,15 +266,15 @@ EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value); /* * This fuction applies the unit exponent to the scale. * For example: - * 9.806650 ->exp:2-> val0[980]val1[665000] - * 9.000806 ->exp:2-> val0[900]val1[80600] - * 0.174535 ->exp:2-> val0[17]val1[453500] - * 1.001745 ->exp:0-> val0[1]val1[1745] - * 1.001745 ->exp:2-> val0[100]val1[174500] - * 1.001745 ->exp:4-> val0[10017]val1[450000] - * 9.806650 ->exp:-2-> val0[0]val1[98066] + * 9.806650000 ->exp:2-> val0[980]val1[665000000] + * 9.000806000 ->exp:2-> val0[900]val1[80600000] + * 0.174535293 ->exp:2-> val0[17]val1[453529300] + * 1.001745329 ->exp:0-> val0[1]val1[1745329] + * 1.001745329 ->exp:2-> val0[100]val1[174532900] + * 1.001745329 ->exp:4-> val0[10017]val1[453290000] + * 9.806650000 ->exp:-2-> val0[0]val1[98066500] */ -static void adjust_exponent_micro(int *val0, int *val1, int scale0, +static void adjust_exponent_nano(int *val0, int *val1, int scale0, int scale1, int exp) { int i; @@ -285,32 +285,32 @@ static void adjust_exponent_micro(int *val0, int *val1, int scale0, if (exp > 0) { *val0 = scale0 * pow_10(exp); res = 0; - if (exp > 6) { + if (exp > 9) { *val1 = 0; return; } for (i = 0; i < exp; ++i) { - x = scale1 / pow_10(5 - i); + x = scale1 / pow_10(8 - i); res += (pow_10(exp - 1 - i) * x); - scale1 = scale1 % pow_10(5 - i); + scale1 = scale1 % pow_10(8 - i); } *val0 += res; *val1 = scale1 * pow_10(exp); } else if (exp < 0) { exp = abs(exp); - if (exp > 6) { + if (exp > 9) { *val0 = *val1 = 0; return; } *val0 = scale0 / pow_10(exp); rem = scale0 % pow_10(exp); res = 0; - for (i = 0; i < (6 - exp); ++i) { - x = scale1 / pow_10(5 - i); - res += (pow_10(5 - exp - i) * x); - scale1 = scale1 % pow_10(5 - i); + for (i = 0; i < (9 - exp); ++i) { + x = scale1 / pow_10(8 - i); + res += (pow_10(8 - exp - i) * x); + scale1 = scale1 % pow_10(8 - i); } - *val1 = rem * pow_10(6 - exp) + res; + *val1 = rem * pow_10(9 - exp) + res; } else { *val0 = scale0; *val1 = scale1; @@ -332,14 +332,14 @@ int hid_sensor_format_scale(u32 usage_id, unit_conversion[i].unit == attr_info->units) { exp = hid_sensor_convert_exponent( attr_info->unit_expo); - adjust_exponent_micro(val0, val1, + adjust_exponent_nano(val0, val1, unit_conversion[i].scale_val0, unit_conversion[i].scale_val1, exp); break; } } - return IIO_VAL_INT_PLUS_MICRO; + return IIO_VAL_INT_PLUS_NANO; } EXPORT_SYMBOL(hid_sensor_format_scale); diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 285a64a..975a1f1 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -612,7 +612,7 @@ EXPORT_SYMBOL(st_sensors_sysfs_sampling_frequency_avail); ssize_t st_sensors_sysfs_scale_avail(struct device *dev, struct device_attribute *attr, char *buf) { - int i, len = 0; + int i, len = 0, q, r; struct iio_dev *indio_dev = dev_get_drvdata(dev); struct st_sensor_data *sdata = iio_priv(indio_dev); @@ -621,8 +621,10 @@ ssize_t st_sensors_sysfs_scale_avail(struct device *dev, if (sdata->sensor_settings->fs.fs_avl[i].num == 0) break; - len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", - sdata->sensor_settings->fs.fs_avl[i].gain); + q = sdata->sensor_settings->fs.fs_avl[i].gain / 1000000; + r = sdata->sensor_settings->fs.fs_avl[i].gain % 1000000; + + len += scnprintf(buf + len, PAGE_SIZE - len, "%u.%06u ", q, r); } mutex_unlock(&indio_dev->mlock); buf[len - 1] = '\n'; diff --git a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c index b98b9d9..a97e802c 100644 --- a/drivers/iio/orientation/hid-sensor-rotation.c +++ b/drivers/iio/orientation/hid-sensor-rotation.c @@ -335,6 +335,7 @@ static struct platform_driver hid_dev_rot_platform_driver = { .id_table = hid_dev_rot_ids, .driver = { .name = KBUILD_MODNAME, + .pm = &hid_sensor_pm_ops, }, .probe = hid_dev_rot_probe, .remove = hid_dev_rot_remove, diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c index 066161a..f962f31 100644 --- a/drivers/iio/temperature/maxim_thermocouple.c +++ b/drivers/iio/temperature/maxim_thermocouple.c @@ -136,6 +136,8 @@ static int maxim_thermocouple_read(struct maxim_thermocouple_data *data, ret = spi_read(data->spi, (void *)&buf32, storage_bytes); *val = be32_to_cpu(buf32); break; + default: + ret = -EINVAL; } if (ret) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 36bf50e..89a6b05 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1094,47 +1094,47 @@ static void cma_save_ib_info(struct sockaddr *src_addr, } } -static void cma_save_ip4_info(struct sockaddr *src_addr, - struct sockaddr *dst_addr, +static void cma_save_ip4_info(struct sockaddr_in *src_addr, + struct sockaddr_in *dst_addr, struct cma_hdr *hdr, __be16 local_port) { - struct sockaddr_in *ip4; - if (src_addr) { - ip4 = (struct sockaddr_in *)src_addr; - ip4->sin_family = AF_INET; - ip4->sin_addr.s_addr = hdr->dst_addr.ip4.addr; - ip4->sin_port = local_port; + *src_addr = (struct sockaddr_in) { + .sin_family = AF_INET, + .sin_addr.s_addr = hdr->dst_addr.ip4.addr, + .sin_port = local_port, + }; } if (dst_addr) { - ip4 = (struct sockaddr_in *)dst_addr; - ip4->sin_family = AF_INET; - ip4->sin_addr.s_addr = hdr->src_addr.ip4.addr; - ip4->sin_port = hdr->port; + *dst_addr = (struct sockaddr_in) { + .sin_family = AF_INET, + .sin_addr.s_addr = hdr->src_addr.ip4.addr, + .sin_port = hdr->port, + }; } } -static void cma_save_ip6_info(struct sockaddr *src_addr, - struct sockaddr *dst_addr, +static void cma_save_ip6_info(struct sockaddr_in6 *src_addr, + struct sockaddr_in6 *dst_addr, struct cma_hdr *hdr, __be16 local_port) { - struct sockaddr_in6 *ip6; - if (src_addr) { - ip6 = (struct sockaddr_in6 *)src_addr; - ip6->sin6_family = AF_INET6; - ip6->sin6_addr = hdr->dst_addr.ip6; - ip6->sin6_port = local_port; + *src_addr = (struct sockaddr_in6) { + .sin6_family = AF_INET6, + .sin6_addr = hdr->dst_addr.ip6, + .sin6_port = local_port, + }; } if (dst_addr) { - ip6 = (struct sockaddr_in6 *)dst_addr; - ip6->sin6_family = AF_INET6; - ip6->sin6_addr = hdr->src_addr.ip6; - ip6->sin6_port = hdr->port; + *dst_addr = (struct sockaddr_in6) { + .sin6_family = AF_INET6, + .sin6_addr = hdr->src_addr.ip6, + .sin6_port = hdr->port, + }; } } @@ -1159,10 +1159,12 @@ static int cma_save_ip_info(struct sockaddr *src_addr, switch (cma_get_ip_ver(hdr)) { case 4: - cma_save_ip4_info(src_addr, dst_addr, hdr, port); + cma_save_ip4_info((struct sockaddr_in *)src_addr, + (struct sockaddr_in *)dst_addr, hdr, port); break; case 6: - cma_save_ip6_info(src_addr, dst_addr, hdr, port); + cma_save_ip6_info((struct sockaddr_in6 *)src_addr, + (struct sockaddr_in6 *)dst_addr, hdr, port); break; default: return -EAFNOSUPPORT; diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 15c01c3..e6f9b2d 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -2636,17 +2636,26 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) /* And we're up. Go go go! */ of_iommu_set_ops(dev->of_node, &arm_smmu_ops); #ifdef CONFIG_PCI - pci_request_acs(); - ret = bus_set_iommu(&pci_bus_type, &arm_smmu_ops); - if (ret) - return ret; + if (pci_bus_type.iommu_ops != &arm_smmu_ops) { + pci_request_acs(); + ret = bus_set_iommu(&pci_bus_type, &arm_smmu_ops); + if (ret) + return ret; + } #endif #ifdef CONFIG_ARM_AMBA - ret = bus_set_iommu(&amba_bustype, &arm_smmu_ops); - if (ret) - return ret; + if (amba_bustype.iommu_ops != &arm_smmu_ops) { + ret = bus_set_iommu(&amba_bustype, &arm_smmu_ops); + if (ret) + return ret; + } #endif - return bus_set_iommu(&platform_bus_type, &arm_smmu_ops); + if (platform_bus_type.iommu_ops != &arm_smmu_ops) { + ret = bus_set_iommu(&platform_bus_type, &arm_smmu_ops); + if (ret) + return ret; + } + return 0; } static int arm_smmu_device_remove(struct platform_device *pdev) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index c841eb7..8f72814 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -324,8 +324,10 @@ struct arm_smmu_master_cfg { #define INVALID_SMENDX -1 #define __fwspec_cfg(fw) ((struct arm_smmu_master_cfg *)fw->iommu_priv) #define fwspec_smmu(fw) (__fwspec_cfg(fw)->smmu) +#define fwspec_smendx(fw, i) \ + (i >= fw->num_ids ? INVALID_SMENDX : __fwspec_cfg(fw)->smendx[i]) #define for_each_cfg_sme(fw, i, idx) \ - for (i = 0; idx = __fwspec_cfg(fw)->smendx[i], i < fw->num_ids; ++i) + for (i = 0; idx = fwspec_smendx(fw, i), i < fw->num_ids; ++i) struct arm_smmu_device { struct device *dev; @@ -1228,6 +1230,16 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return -ENXIO; } + /* + * FIXME: The arch/arm DMA API code tries to attach devices to its own + * domains between of_xlate() and add_device() - we have no way to cope + * with that, so until ARM gets converted to rely on groups and default + * domains, just say no (but more politely than by dereferencing NULL). + * This should be at least a WARN_ON once that's sorted. + */ + if (!fwspec->iommu_priv) + return -ENODEV; + smmu = fwspec_smmu(fwspec); /* Ensure that the domain is finalised */ ret = arm_smmu_init_domain_context(domain, smmu); @@ -1390,7 +1402,7 @@ static int arm_smmu_add_device(struct device *dev) fwspec = dev->iommu_fwspec; if (ret) goto out_free; - } else if (fwspec) { + } else if (fwspec && fwspec->ops == &arm_smmu_ops) { smmu = arm_smmu_get_by_node(to_of_node(fwspec->iommu_fwnode)); } else { return -ENODEV; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a4407ea..3965e73 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1711,6 +1711,7 @@ static void disable_dmar_iommu(struct intel_iommu *iommu) if (!iommu->domains || !iommu->domain_ids) return; +again: spin_lock_irqsave(&device_domain_lock, flags); list_for_each_entry_safe(info, tmp, &device_domain_list, global) { struct dmar_domain *domain; @@ -1723,10 +1724,19 @@ static void disable_dmar_iommu(struct intel_iommu *iommu) domain = info->domain; - dmar_remove_one_dev_info(domain, info->dev); + __dmar_remove_one_dev_info(info); - if (!domain_type_is_vm_or_si(domain)) + if (!domain_type_is_vm_or_si(domain)) { + /* + * The domain_exit() function can't be called under + * device_domain_lock, as it takes this lock itself. + * So release the lock here and re-run the loop + * afterwards. + */ + spin_unlock_irqrestore(&device_domain_lock, flags); domain_exit(domain); + goto again; + } } spin_unlock_irqrestore(&device_domain_lock, flags); diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 0122255..b71b747 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -513,6 +513,11 @@ config DVB_AS102_FE depends on DVB_CORE default DVB_AS102 +config DVB_GP8PSK_FE + tristate + depends on DVB_CORE + default DVB_USB_GP8PSK + comment "DVB-C (cable) frontends" depends on DVB_CORE diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile index e90165a..93921a4 100644 --- a/drivers/media/dvb-frontends/Makefile +++ b/drivers/media/dvb-frontends/Makefile @@ -121,6 +121,7 @@ obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o obj-$(CONFIG_DVB_AF9033) += af9033.o obj-$(CONFIG_DVB_AS102_FE) += as102_fe.o +obj-$(CONFIG_DVB_GP8PSK_FE) += gp8psk-fe.o obj-$(CONFIG_DVB_TC90522) += tc90522.o obj-$(CONFIG_DVB_HORUS3A) += horus3a.o obj-$(CONFIG_DVB_ASCOT2E) += ascot2e.o diff --git a/drivers/media/usb/dvb-usb/gp8psk-fe.c b/drivers/media/dvb-frontends/gp8psk-fe.c index db6eb79..be19afe 100644 --- a/drivers/media/usb/dvb-usb/gp8psk-fe.c +++ b/drivers/media/dvb-frontends/gp8psk-fe.c @@ -14,11 +14,27 @@ * * see Documentation/dvb/README.dvb-usb for more information */ -#include "gp8psk.h" + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "gp8psk-fe.h" +#include "dvb_frontend.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); + +#define dprintk(fmt, arg...) do { \ + if (debug) \ + printk(KERN_DEBUG pr_fmt("%s: " fmt), \ + __func__, ##arg); \ +} while (0) struct gp8psk_fe_state { struct dvb_frontend fe; - struct dvb_usb_device *d; + void *priv; + const struct gp8psk_fe_ops *ops; + bool is_rev1; u8 lock; u16 snr; unsigned long next_status_check; @@ -29,22 +45,24 @@ static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe) { struct gp8psk_fe_state *st = fe->demodulator_priv; u8 status; - gp8psk_usb_in_op(st->d, GET_8PSK_CONFIG, 0, 0, &status, 1); + + st->ops->in(st->priv, GET_8PSK_CONFIG, 0, 0, &status, 1); return status & bmDCtuned; } static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode) { - struct gp8psk_fe_state *state = fe->demodulator_priv; - return gp8psk_usb_out_op(state->d, SET_8PSK_CONFIG, mode, 0, NULL, 0); + struct gp8psk_fe_state *st = fe->demodulator_priv; + + return st->ops->out(st->priv, SET_8PSK_CONFIG, mode, 0, NULL, 0); } static int gp8psk_fe_update_status(struct gp8psk_fe_state *st) { u8 buf[6]; if (time_after(jiffies,st->next_status_check)) { - gp8psk_usb_in_op(st->d, GET_SIGNAL_LOCK, 0,0,&st->lock,1); - gp8psk_usb_in_op(st->d, GET_SIGNAL_STRENGTH, 0,0,buf,6); + st->ops->in(st->priv, GET_SIGNAL_LOCK, 0, 0, &st->lock, 1); + st->ops->in(st->priv, GET_SIGNAL_STRENGTH, 0, 0, buf, 6); st->snr = (buf[1]) << 8 | buf[0]; st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000; } @@ -116,13 +134,12 @@ static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_front static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) { - struct gp8psk_fe_state *state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; u8 cmd[10]; u32 freq = c->frequency * 1000; - int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct); - deb_fe("%s()\n", __func__); + dprintk("%s()\n", __func__); cmd[4] = freq & 0xff; cmd[5] = (freq >> 8) & 0xff; @@ -136,21 +153,21 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) switch (c->delivery_system) { case SYS_DVBS: if (c->modulation != QPSK) { - deb_fe("%s: unsupported modulation selected (%d)\n", + dprintk("%s: unsupported modulation selected (%d)\n", __func__, c->modulation); return -EOPNOTSUPP; } c->fec_inner = FEC_AUTO; break; case SYS_DVBS2: /* kept for backwards compatibility */ - deb_fe("%s: DVB-S2 delivery system selected\n", __func__); + dprintk("%s: DVB-S2 delivery system selected\n", __func__); break; case SYS_TURBO: - deb_fe("%s: Turbo-FEC delivery system selected\n", __func__); + dprintk("%s: Turbo-FEC delivery system selected\n", __func__); break; default: - deb_fe("%s: unsupported delivery system selected (%d)\n", + dprintk("%s: unsupported delivery system selected (%d)\n", __func__, c->delivery_system); return -EOPNOTSUPP; } @@ -161,9 +178,9 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) cmd[3] = (c->symbol_rate >> 24) & 0xff; switch (c->modulation) { case QPSK: - if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM) + if (st->is_rev1) if (gp8psk_tuned_to_DCII(fe)) - gp8psk_bcm4500_reload(state->d); + st->ops->reload(st->priv); switch (c->fec_inner) { case FEC_1_2: cmd[9] = 0; break; @@ -207,18 +224,18 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) cmd[9] = 0; break; default: /* Unknown modulation */ - deb_fe("%s: unsupported modulation selected (%d)\n", + dprintk("%s: unsupported modulation selected (%d)\n", __func__, c->modulation); return -EOPNOTSUPP; } - if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM) + if (st->is_rev1) gp8psk_set_tuner_mode(fe, 0); - gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10); + st->ops->out(st->priv, TUNE_8PSK, 0, 0, cmd, 10); - state->lock = 0; - state->next_status_check = jiffies; - state->status_check_interval = 200; + st->lock = 0; + st->next_status_check = jiffies; + st->status_check_interval = 200; return 0; } @@ -228,9 +245,9 @@ static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe, { struct gp8psk_fe_state *st = fe->demodulator_priv; - deb_fe("%s\n",__func__); + dprintk("%s\n", __func__); - if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0, + if (st->ops->out(st->priv, SEND_DISEQC_COMMAND, m->msg[0], 0, m->msg, m->msg_len)) { return -EINVAL; } @@ -243,12 +260,12 @@ static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe, struct gp8psk_fe_state *st = fe->demodulator_priv; u8 cmd; - deb_fe("%s\n",__func__); + dprintk("%s\n", __func__); /* These commands are certainly wrong */ cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01; - if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, cmd, 0, + if (st->ops->out(st->priv, SEND_DISEQC_COMMAND, cmd, 0, &cmd, 0)) { return -EINVAL; } @@ -258,10 +275,10 @@ static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe, static int gp8psk_fe_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { - struct gp8psk_fe_state* state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; - if (gp8psk_usb_out_op(state->d,SET_22KHZ_TONE, - (tone == SEC_TONE_ON), 0, NULL, 0)) { + if (st->ops->out(st->priv, SET_22KHZ_TONE, + (tone == SEC_TONE_ON), 0, NULL, 0)) { return -EINVAL; } return 0; @@ -270,9 +287,9 @@ static int gp8psk_fe_set_tone(struct dvb_frontend *fe, static int gp8psk_fe_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { - struct gp8psk_fe_state* state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; - if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, + if (st->ops->out(st->priv, SET_LNB_VOLTAGE, voltage == SEC_VOLTAGE_18, 0, NULL, 0)) { return -EINVAL; } @@ -281,52 +298,60 @@ static int gp8psk_fe_set_voltage(struct dvb_frontend *fe, static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff) { - struct gp8psk_fe_state* state = fe->demodulator_priv; - return gp8psk_usb_out_op(state->d, USE_EXTRA_VOLT, onoff, 0,NULL,0); + struct gp8psk_fe_state *st = fe->demodulator_priv; + + return st->ops->out(st->priv, USE_EXTRA_VOLT, onoff, 0, NULL, 0); } static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd) { - struct gp8psk_fe_state* state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; u8 cmd = sw_cmd & 0x7f; - if (gp8psk_usb_out_op(state->d,SET_DN_SWITCH, cmd, 0, - NULL, 0)) { + if (st->ops->out(st->priv, SET_DN_SWITCH, cmd, 0, NULL, 0)) return -EINVAL; - } - if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, !!(sw_cmd & 0x80), - 0, NULL, 0)) { + + if (st->ops->out(st->priv, SET_LNB_VOLTAGE, !!(sw_cmd & 0x80), + 0, NULL, 0)) return -EINVAL; - } return 0; } static void gp8psk_fe_release(struct dvb_frontend* fe) { - struct gp8psk_fe_state *state = fe->demodulator_priv; - kfree(state); + struct gp8psk_fe_state *st = fe->demodulator_priv; + + kfree(st); } static struct dvb_frontend_ops gp8psk_fe_ops; -struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d) +struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops, + void *priv, bool is_rev1) { - struct gp8psk_fe_state *s = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL); - if (s == NULL) - goto error; - - s->d = d; - memcpy(&s->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops)); - s->fe.demodulator_priv = s; - - goto success; -error: - return NULL; -success: - return &s->fe; -} + struct gp8psk_fe_state *st; + if (!ops || !ops->in || !ops->out || !ops->reload) { + pr_err("Error! gp8psk-fe ops not defined.\n"); + return NULL; + } + + st = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL); + if (!st) + return NULL; + + memcpy(&st->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops)); + st->fe.demodulator_priv = st; + st->ops = ops; + st->priv = priv; + st->is_rev1 = is_rev1; + + pr_info("Frontend %sattached\n", is_rev1 ? "revision 1 " : ""); + + return &st->fe; +} +EXPORT_SYMBOL_GPL(gp8psk_fe_attach); static struct dvb_frontend_ops gp8psk_fe_ops = { .delsys = { SYS_DVBS }, diff --git a/drivers/media/dvb-frontends/gp8psk-fe.h b/drivers/media/dvb-frontends/gp8psk-fe.h new file mode 100644 index 0000000..6c7944b --- /dev/null +++ b/drivers/media/dvb-frontends/gp8psk-fe.h @@ -0,0 +1,82 @@ +/* + * gp8psk_fe driver + * + * 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, 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. + */ + +#ifndef GP8PSK_FE_H +#define GP8PSK_FE_H + +#include <linux/types.h> + +/* gp8psk commands */ + +#define GET_8PSK_CONFIG 0x80 /* in */ +#define SET_8PSK_CONFIG 0x81 +#define I2C_WRITE 0x83 +#define I2C_READ 0x84 +#define ARM_TRANSFER 0x85 +#define TUNE_8PSK 0x86 +#define GET_SIGNAL_STRENGTH 0x87 /* in */ +#define LOAD_BCM4500 0x88 +#define BOOT_8PSK 0x89 /* in */ +#define START_INTERSIL 0x8A /* in */ +#define SET_LNB_VOLTAGE 0x8B +#define SET_22KHZ_TONE 0x8C +#define SEND_DISEQC_COMMAND 0x8D +#define SET_DVB_MODE 0x8E +#define SET_DN_SWITCH 0x8F +#define GET_SIGNAL_LOCK 0x90 /* in */ +#define GET_FW_VERS 0x92 +#define GET_SERIAL_NUMBER 0x93 /* in */ +#define USE_EXTRA_VOLT 0x94 +#define GET_FPGA_VERS 0x95 +#define CW3K_INIT 0x9d + +/* PSK_configuration bits */ +#define bm8pskStarted 0x01 +#define bm8pskFW_Loaded 0x02 +#define bmIntersilOn 0x04 +#define bmDVBmode 0x08 +#define bm22kHz 0x10 +#define bmSEL18V 0x20 +#define bmDCtuned 0x40 +#define bmArmed 0x80 + +/* Satellite modulation modes */ +#define ADV_MOD_DVB_QPSK 0 /* DVB-S QPSK */ +#define ADV_MOD_TURBO_QPSK 1 /* Turbo QPSK */ +#define ADV_MOD_TURBO_8PSK 2 /* Turbo 8PSK (also used for Trellis 8PSK) */ +#define ADV_MOD_TURBO_16QAM 3 /* Turbo 16QAM (also used for Trellis 8PSK) */ + +#define ADV_MOD_DCII_C_QPSK 4 /* Digicipher II Combo */ +#define ADV_MOD_DCII_I_QPSK 5 /* Digicipher II I-stream */ +#define ADV_MOD_DCII_Q_QPSK 6 /* Digicipher II Q-stream */ +#define ADV_MOD_DCII_C_OQPSK 7 /* Digicipher II offset QPSK */ +#define ADV_MOD_DSS_QPSK 8 /* DSS (DIRECTV) QPSK */ +#define ADV_MOD_DVB_BPSK 9 /* DVB-S BPSK */ + +/* firmware revision id's */ +#define GP8PSK_FW_REV1 0x020604 +#define GP8PSK_FW_REV2 0x020704 +#define GP8PSK_FW_VERS(_fw_vers) \ + ((_fw_vers)[2]<<0x10 | (_fw_vers)[1]<<0x08 | (_fw_vers)[0]) + +struct gp8psk_fe_ops { + int (*in)(void *priv, u8 req, u16 value, u16 index, u8 *b, int blen); + int (*out)(void *priv, u8 req, u16 value, u16 index, u8 *b, int blen); + int (*reload)(void *priv); +}; + +struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops, + void *priv, bool is_rev1); + +#endif diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c index f95a6bc..cede397 100644 --- a/drivers/media/i2c/ir-kbd-i2c.c +++ b/drivers/media/i2c/ir-kbd-i2c.c @@ -118,7 +118,7 @@ static int get_key_haup_common(struct IR_i2c *ir, enum rc_type *protocol, *protocol = RC_TYPE_RC6_MCE; dev &= 0x7f; dprintk(1, "ir hauppauge (rc6-mce): t%d vendor=%d dev=%d code=%d\n", - toggle, vendor, dev, code); + *ptoggle, vendor, dev, code); } else { *ptoggle = 0; *protocol = RC_TYPE_RC6_6A_32; diff --git a/drivers/media/usb/dvb-usb/Makefile b/drivers/media/usb/dvb-usb/Makefile index 2a7b5a9..3b3f32b 100644 --- a/drivers/media/usb/dvb-usb/Makefile +++ b/drivers/media/usb/dvb-usb/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_DVB_USB_VP7045) += dvb-usb-vp7045.o dvb-usb-vp702x-objs := vp702x.o vp702x-fe.o obj-$(CONFIG_DVB_USB_VP702X) += dvb-usb-vp702x.o -dvb-usb-gp8psk-objs := gp8psk.o gp8psk-fe.o +dvb-usb-gp8psk-objs := gp8psk.o obj-$(CONFIG_DVB_USB_GP8PSK) += dvb-usb-gp8psk.o dvb-usb-dtt200u-objs := dtt200u.o dtt200u-fe.o diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c index b257780..7853261 100644 --- a/drivers/media/usb/dvb-usb/af9005.c +++ b/drivers/media/usb/dvb-usb/af9005.c @@ -53,7 +53,6 @@ struct af9005_device_state { u8 sequence; int led_state; unsigned char data[256]; - struct mutex data_mutex; }; static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, @@ -72,7 +71,7 @@ static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, return -EINVAL; } - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = 14; /* rest of buffer length low */ st->data[1] = 0; /* rest of buffer length high */ @@ -140,7 +139,7 @@ static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, values[i] = st->data[8 + i]; ret: - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -481,7 +480,7 @@ int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, } packet_len = wlen + 5; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = (u8) (packet_len & 0xff); st->data[1] = (u8) ((packet_len & 0xff00) >> 8); @@ -512,7 +511,7 @@ int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, rbuf[i] = st->data[i + 7]; } - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -523,7 +522,7 @@ int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values, u8 seq; int ret, i; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); memset(st->data, 0, sizeof(st->data)); @@ -559,7 +558,7 @@ int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values, for (i = 0; i < len; i++) values[i] = st->data[6 + i]; } - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -847,7 +846,7 @@ static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state) return 0; } - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); /* deb_info("rc_query\n"); */ st->data[0] = 3; /* rest of packet length low */ @@ -890,7 +889,7 @@ static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state) } ret: - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -1004,20 +1003,8 @@ static struct dvb_usb_device_properties af9005_properties; static int af9005_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct dvb_usb_device *d; - struct af9005_device_state *st; - int ret; - - ret = dvb_usb_device_init(intf, &af9005_properties, - THIS_MODULE, &d, adapter_nr); - - if (ret < 0) - return ret; - - st = d->priv; - mutex_init(&st->data_mutex); - - return 0; + return dvb_usb_device_init(intf, &af9005_properties, + THIS_MODULE, NULL, adapter_nr); } enum af9005_usb_table_entry { diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c index 8ac8254..290275b 100644 --- a/drivers/media/usb/dvb-usb/cinergyT2-core.c +++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c @@ -42,7 +42,6 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); struct cinergyt2_state { u8 rc_counter; unsigned char data[64]; - struct mutex data_mutex; }; /* We are missing a release hook with usb_device data */ @@ -56,12 +55,12 @@ static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) struct cinergyt2_state *st = d->priv; int ret; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; st->data[1] = enable ? 1 : 0; ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0); - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -71,12 +70,12 @@ static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) struct cinergyt2_state *st = d->priv; int ret; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = CINERGYT2_EP1_SLEEP_MODE; st->data[1] = enable ? 0 : 1; ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0); - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -89,7 +88,7 @@ static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0); @@ -97,7 +96,7 @@ static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep " "state info\n"); } - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); /* Copy this pointer as we are gonna need it in the release phase */ cinergyt2_usb_device = adap->dev; @@ -166,7 +165,7 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) *state = REMOTE_NO_KEY_PRESSED; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); @@ -202,29 +201,17 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) } ret: - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } static int cinergyt2_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct dvb_usb_device *d; - struct cinergyt2_state *st; - int ret; - - ret = dvb_usb_device_init(intf, &cinergyt2_properties, - THIS_MODULE, &d, adapter_nr); - if (ret < 0) - return ret; - - st = d->priv; - mutex_init(&st->data_mutex); - - return 0; + return dvb_usb_device_init(intf, &cinergyt2_properties, + THIS_MODULE, NULL, adapter_nr); } - static struct usb_device_id cinergyt2_usb_table[] = { { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, { 0 } diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index 3977281..2434030 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -68,7 +68,7 @@ static int cxusb_ctrl_msg(struct dvb_usb_device *d, wo = (rbuf == NULL || rlen == 0); /* write-only */ - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = cmd; memcpy(&st->data[1], wbuf, wlen); if (wo) @@ -77,7 +77,7 @@ static int cxusb_ctrl_msg(struct dvb_usb_device *d, ret = dvb_usb_generic_rw(d, st->data, 1 + wlen, rbuf, rlen, 0); - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -1461,43 +1461,36 @@ static struct dvb_usb_device_properties cxusb_mygica_t230_properties; static int cxusb_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct dvb_usb_device *d; - struct cxusb_state *st; - if (0 == dvb_usb_device_init(intf, &cxusb_medion_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_lgh064f_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_dee1601_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_lgz201_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_dtt7579_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_dualdig4_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_nano2_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_nano2_needsfirmware_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_aver_a868r_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_bluebird_dualdig4_rev2_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_d680_dmb_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_mygica_d689_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_mygica_t230_properties, - THIS_MODULE, &d, adapter_nr) || - 0) { - st = d->priv; - mutex_init(&st->data_mutex); - + THIS_MODULE, NULL, adapter_nr) || + 0) return 0; - } return -EINVAL; } diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h index 9f3ee0e..18acda1 100644 --- a/drivers/media/usb/dvb-usb/cxusb.h +++ b/drivers/media/usb/dvb-usb/cxusb.h @@ -37,7 +37,6 @@ struct cxusb_state { struct i2c_client *i2c_client_tuner; unsigned char data[MAX_XFER_SIZE]; - struct mutex data_mutex; }; #endif diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c index 92d5408..47ce9d5 100644 --- a/drivers/media/usb/dvb-usb/dib0700_core.c +++ b/drivers/media/usb/dvb-usb/dib0700_core.c @@ -704,7 +704,7 @@ static void dib0700_rc_urb_completion(struct urb *purb) struct dvb_usb_device *d = purb->context; struct dib0700_rc_response *poll_reply; enum rc_type protocol; - u32 uninitialized_var(keycode); + u32 keycode; u8 toggle; deb_info("%s()\n", __func__); @@ -745,7 +745,8 @@ static void dib0700_rc_urb_completion(struct urb *purb) poll_reply->nec.data == 0x00 && poll_reply->nec.not_data == 0xff) { poll_reply->data_state = 2; - break; + rc_repeat(d->rc_dev); + goto resubmit; } if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) { diff --git a/drivers/media/usb/dvb-usb/dtt200u.c b/drivers/media/usb/dvb-usb/dtt200u.c index f88572c..fcbff7f 100644 --- a/drivers/media/usb/dvb-usb/dtt200u.c +++ b/drivers/media/usb/dvb-usb/dtt200u.c @@ -22,7 +22,6 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); struct dtt200u_state { unsigned char data[80]; - struct mutex data_mutex; }; static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff) @@ -30,23 +29,24 @@ static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff) struct dtt200u_state *st = d->priv; int ret = 0; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = SET_INIT; if (onoff) ret = dvb_usb_generic_write(d, st->data, 2); - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } static int dtt200u_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) { - struct dtt200u_state *st = adap->dev->priv; + struct dvb_usb_device *d = adap->dev; + struct dtt200u_state *st = d->priv; int ret; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = SET_STREAMING; st->data[1] = onoff; @@ -61,26 +61,27 @@ static int dtt200u_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) ret = dvb_usb_generic_write(adap->dev, st->data, 1); ret: - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } static int dtt200u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff) { - struct dtt200u_state *st = adap->dev->priv; + struct dvb_usb_device *d = adap->dev; + struct dtt200u_state *st = d->priv; int ret; pid = onoff ? pid : 0; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = SET_PID_FILTER; st->data[1] = index; st->data[2] = pid & 0xff; st->data[3] = (pid >> 8) & 0x1f; ret = dvb_usb_generic_write(adap->dev, st->data, 4); - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -91,7 +92,7 @@ static int dtt200u_rc_query(struct dvb_usb_device *d) u32 scancode; int ret; - mutex_lock(&st->data_mutex); + mutex_lock(&d->data_mutex); st->data[0] = GET_RC_CODE; ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); @@ -126,7 +127,7 @@ static int dtt200u_rc_query(struct dvb_usb_device *d) deb_info("st->data: %*ph\n", 5, st->data); ret: - mutex_unlock(&st->data_mutex); + mutex_unlock(&d->data_mutex); return ret; } @@ -145,24 +146,17 @@ static struct dvb_usb_device_properties wt220u_miglia_properties; static int dtt200u_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { - struct dvb_usb_device *d; - struct dtt200u_state *st; - if (0 == dvb_usb_device_init(intf, &dtt200u_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &wt220u_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &wt220u_fc_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &wt220u_zl0353_properties, - THIS_MODULE, &d, adapter_nr) || + THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &wt220u_miglia_properties, - THIS_MODULE, &d, adapter_nr)) { - st = d->priv; - mutex_init(&st->data_mutex); - + THIS_MODULE, NULL, adapter_nr)) return 0; - } return -ENODEV; } diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index 3896ba9..8430856 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -142,6 +142,7 @@ static int dvb_usb_init(struct dvb_usb_device *d, short *adapter_nums) { int ret = 0; + mutex_init(&d->data_mutex); mutex_init(&d->usb_mutex); mutex_init(&d->i2c_mutex); diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h index 639c467..107255b 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb.h +++ b/drivers/media/usb/dvb-usb/dvb-usb.h @@ -404,8 +404,12 @@ struct dvb_usb_adapter { * Powered is in/decremented for each call to modify the state. * @udev: pointer to the device's struct usb_device. * - * @usb_mutex: semaphore of USB control messages (reading needs two messages) - * @i2c_mutex: semaphore for i2c-transfers + * @data_mutex: mutex to protect the data structure used to store URB data + * @usb_mutex: mutex of USB control messages (reading needs two messages). + * Please notice that this mutex is used internally at the generic + * URB control functions. So, drivers using dvb_usb_generic_rw() and + * derivated functions should not lock it internally. + * @i2c_mutex: mutex for i2c-transfers * * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB * @@ -433,6 +437,7 @@ struct dvb_usb_device { int powered; /* locking */ + struct mutex data_mutex; struct mutex usb_mutex; /* i2c */ diff --git a/drivers/media/usb/dvb-usb/gp8psk.c b/drivers/media/usb/dvb-usb/gp8psk.c index adfd764..993bb7a 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.c +++ b/drivers/media/usb/dvb-usb/gp8psk.c @@ -15,6 +15,7 @@ * see Documentation/dvb/README.dvb-usb for more information */ #include "gp8psk.h" +#include "gp8psk-fe.h" /* debug */ static char bcm4500_firmware[] = "dvb-usb-gp8psk-02.fw"; @@ -28,34 +29,8 @@ struct gp8psk_state { unsigned char data[80]; }; -static int gp8psk_get_fw_version(struct dvb_usb_device *d, u8 *fw_vers) -{ - return (gp8psk_usb_in_op(d, GET_FW_VERS, 0, 0, fw_vers, 6)); -} - -static int gp8psk_get_fpga_version(struct dvb_usb_device *d, u8 *fpga_vers) -{ - return (gp8psk_usb_in_op(d, GET_FPGA_VERS, 0, 0, fpga_vers, 1)); -} - -static void gp8psk_info(struct dvb_usb_device *d) -{ - u8 fpga_vers, fw_vers[6]; - - if (!gp8psk_get_fw_version(d, fw_vers)) - info("FW Version = %i.%02i.%i (0x%x) Build %4i/%02i/%02i", - fw_vers[2], fw_vers[1], fw_vers[0], GP8PSK_FW_VERS(fw_vers), - 2000 + fw_vers[5], fw_vers[4], fw_vers[3]); - else - info("failed to get FW version"); - - if (!gp8psk_get_fpga_version(d, &fpga_vers)) - info("FPGA Version = %i", fpga_vers); - else - info("failed to get FPGA version"); -} - -int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) +static int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, + u16 index, u8 *b, int blen) { struct gp8psk_state *st = d->priv; int ret = 0,try = 0; @@ -67,7 +42,6 @@ int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 return ret; while (ret >= 0 && ret != blen && try < 3) { - memcpy(st->data, b, blen); ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), req, @@ -81,8 +55,10 @@ int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 if (ret < 0 || ret != blen) { warn("usb in %d operation failed.", req); ret = -EIO; - } else + } else { ret = 0; + memcpy(b, st->data, blen); + } deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index); debug_dump(b,blen,deb_xfer); @@ -92,7 +68,7 @@ int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 return ret; } -int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, +static int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) { struct gp8psk_state *st = d->priv; @@ -123,6 +99,34 @@ int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, return ret; } + +static int gp8psk_get_fw_version(struct dvb_usb_device *d, u8 *fw_vers) +{ + return gp8psk_usb_in_op(d, GET_FW_VERS, 0, 0, fw_vers, 6); +} + +static int gp8psk_get_fpga_version(struct dvb_usb_device *d, u8 *fpga_vers) +{ + return gp8psk_usb_in_op(d, GET_FPGA_VERS, 0, 0, fpga_vers, 1); +} + +static void gp8psk_info(struct dvb_usb_device *d) +{ + u8 fpga_vers, fw_vers[6]; + + if (!gp8psk_get_fw_version(d, fw_vers)) + info("FW Version = %i.%02i.%i (0x%x) Build %4i/%02i/%02i", + fw_vers[2], fw_vers[1], fw_vers[0], GP8PSK_FW_VERS(fw_vers), + 2000 + fw_vers[5], fw_vers[4], fw_vers[3]); + else + info("failed to get FW version"); + + if (!gp8psk_get_fpga_version(d, &fpga_vers)) + info("FPGA Version = %i", fpga_vers); + else + info("failed to get FPGA version"); +} + static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d) { int ret; @@ -225,10 +229,13 @@ static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff) return 0; } -int gp8psk_bcm4500_reload(struct dvb_usb_device *d) +static int gp8psk_bcm4500_reload(struct dvb_usb_device *d) { u8 buf; int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct); + + deb_xfer("reloading firmware\n"); + /* Turn off 8psk power */ if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1)) return -EINVAL; @@ -247,9 +254,47 @@ static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) return gp8psk_usb_out_op(adap->dev, ARM_TRANSFER, onoff, 0 , NULL, 0); } +/* Callbacks for gp8psk-fe.c */ + +static int gp8psk_fe_in(void *priv, u8 req, u16 value, + u16 index, u8 *b, int blen) +{ + struct dvb_usb_device *d = priv; + + return gp8psk_usb_in_op(d, req, value, index, b, blen); +} + +static int gp8psk_fe_out(void *priv, u8 req, u16 value, + u16 index, u8 *b, int blen) +{ + struct dvb_usb_device *d = priv; + + return gp8psk_usb_out_op(d, req, value, index, b, blen); +} + +static int gp8psk_fe_reload(void *priv) +{ + struct dvb_usb_device *d = priv; + + return gp8psk_bcm4500_reload(d); +} + +const struct gp8psk_fe_ops gp8psk_fe_ops = { + .in = gp8psk_fe_in, + .out = gp8psk_fe_out, + .reload = gp8psk_fe_reload, +}; + static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap) { - adap->fe_adap[0].fe = gp8psk_fe_attach(adap->dev); + struct dvb_usb_device *d = adap->dev; + int id = le16_to_cpu(d->udev->descriptor.idProduct); + int is_rev1; + + is_rev1 = (id == USB_PID_GENPIX_8PSK_REV_1_WARM) ? true : false; + + adap->fe_adap[0].fe = dvb_attach(gp8psk_fe_attach, + &gp8psk_fe_ops, d, is_rev1); return 0; } diff --git a/drivers/media/usb/dvb-usb/gp8psk.h b/drivers/media/usb/dvb-usb/gp8psk.h index ed32b9d..d8975b8 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.h +++ b/drivers/media/usb/dvb-usb/gp8psk.h @@ -24,58 +24,6 @@ extern int dvb_usb_gp8psk_debug; #define deb_info(args...) dprintk(dvb_usb_gp8psk_debug,0x01,args) #define deb_xfer(args...) dprintk(dvb_usb_gp8psk_debug,0x02,args) #define deb_rc(args...) dprintk(dvb_usb_gp8psk_debug,0x04,args) -#define deb_fe(args...) dprintk(dvb_usb_gp8psk_debug,0x08,args) - -/* Twinhan Vendor requests */ -#define TH_COMMAND_IN 0xC0 -#define TH_COMMAND_OUT 0xC1 - -/* gp8psk commands */ - -#define GET_8PSK_CONFIG 0x80 /* in */ -#define SET_8PSK_CONFIG 0x81 -#define I2C_WRITE 0x83 -#define I2C_READ 0x84 -#define ARM_TRANSFER 0x85 -#define TUNE_8PSK 0x86 -#define GET_SIGNAL_STRENGTH 0x87 /* in */ -#define LOAD_BCM4500 0x88 -#define BOOT_8PSK 0x89 /* in */ -#define START_INTERSIL 0x8A /* in */ -#define SET_LNB_VOLTAGE 0x8B -#define SET_22KHZ_TONE 0x8C -#define SEND_DISEQC_COMMAND 0x8D -#define SET_DVB_MODE 0x8E -#define SET_DN_SWITCH 0x8F -#define GET_SIGNAL_LOCK 0x90 /* in */ -#define GET_FW_VERS 0x92 -#define GET_SERIAL_NUMBER 0x93 /* in */ -#define USE_EXTRA_VOLT 0x94 -#define GET_FPGA_VERS 0x95 -#define CW3K_INIT 0x9d - -/* PSK_configuration bits */ -#define bm8pskStarted 0x01 -#define bm8pskFW_Loaded 0x02 -#define bmIntersilOn 0x04 -#define bmDVBmode 0x08 -#define bm22kHz 0x10 -#define bmSEL18V 0x20 -#define bmDCtuned 0x40 -#define bmArmed 0x80 - -/* Satellite modulation modes */ -#define ADV_MOD_DVB_QPSK 0 /* DVB-S QPSK */ -#define ADV_MOD_TURBO_QPSK 1 /* Turbo QPSK */ -#define ADV_MOD_TURBO_8PSK 2 /* Turbo 8PSK (also used for Trellis 8PSK) */ -#define ADV_MOD_TURBO_16QAM 3 /* Turbo 16QAM (also used for Trellis 8PSK) */ - -#define ADV_MOD_DCII_C_QPSK 4 /* Digicipher II Combo */ -#define ADV_MOD_DCII_I_QPSK 5 /* Digicipher II I-stream */ -#define ADV_MOD_DCII_Q_QPSK 6 /* Digicipher II Q-stream */ -#define ADV_MOD_DCII_C_OQPSK 7 /* Digicipher II offset QPSK */ -#define ADV_MOD_DSS_QPSK 8 /* DSS (DIRECTV) QPSK */ -#define ADV_MOD_DVB_BPSK 9 /* DVB-S BPSK */ #define GET_USB_SPEED 0x07 @@ -86,15 +34,4 @@ extern int dvb_usb_gp8psk_debug; #define PRODUCT_STRING_READ 0x0D #define FW_BCD_VERSION_READ 0x14 -/* firmware revision id's */ -#define GP8PSK_FW_REV1 0x020604 -#define GP8PSK_FW_REV2 0x020704 -#define GP8PSK_FW_VERS(_fw_vers) ((_fw_vers)[2]<<0x10 | (_fw_vers)[1]<<0x08 | (_fw_vers)[0]) - -extern struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d); -extern int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen); -extern int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, - u16 index, u8 *b, int blen); -extern int gp8psk_bcm4500_reload(struct dvb_usb_device *d); - #endif diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index e9e6ea3..75b9d4a 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -178,7 +178,7 @@ static int mei_nfc_if_version(struct mei_cl *cl, ret = 0; bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length); - if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) { + if (bytes_recv < if_version_length) { dev_err(bus->dev, "Could not read IF version\n"); ret = -EIO; goto err; diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index 5a8dc5a..3678220 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -2347,7 +2347,7 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card *test, struct mmc_test_req *rq = mmc_test_req_alloc(); struct mmc_host *host = test->card->host; struct mmc_test_area *t = &test->area; - struct mmc_async_req areq; + struct mmc_test_async_req test_areq = { .test = test }; struct mmc_request *mrq; unsigned long timeout; bool expired = false; @@ -2363,8 +2363,8 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card *test, mrq->sbc = &rq->sbc; mrq->cap_cmd_during_tfr = true; - areq.mrq = mrq; - areq.err_check = mmc_test_check_result_async; + test_areq.areq.mrq = mrq; + test_areq.areq.err_check = mmc_test_check_result_async; mmc_test_prepare_mrq(test, mrq, t->sg, t->sg_len, dev_addr, t->blocks, 512, write); @@ -2378,7 +2378,7 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card *test, /* Start ongoing data request */ if (use_areq) { - mmc_start_req(host, &areq, &ret); + mmc_start_req(host, &test_areq.areq, &ret); if (ret) goto out_free; } else { diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 39fc5b2..df19777 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -26,6 +26,8 @@ #include "mmc_ops.h" #include "sd_ops.h" +#define DEFAULT_CMD6_TIMEOUT_MS 500 + static const unsigned int tran_exp[] = { 10000, 100000, 1000000, 10000000, 0, 0, 0, 0 @@ -571,6 +573,7 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) card->erased_byte = 0x0; /* eMMC v4.5 or later */ + card->ext_csd.generic_cmd6_time = DEFAULT_CMD6_TIMEOUT_MS; if (card->ext_csd.rev >= 6) { card->ext_csd.feature_support |= MMC_DISCARD_FEATURE; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 4fcbc40..50a674b 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2940,7 +2940,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) return ERR_PTR(-ENOMEM); /* find reset controller when exist */ - pdata->rstc = devm_reset_control_get_optional(dev, NULL); + pdata->rstc = devm_reset_control_get_optional(dev, "reset"); if (IS_ERR(pdata->rstc)) { if (PTR_ERR(pdata->rstc) == -EPROBE_DEFER) return ERR_PTR(-EPROBE_DEFER); diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index d839147..44ecebd 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -661,13 +661,13 @@ static int mxs_mmc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mmc); + spin_lock_init(&host->lock); + ret = devm_request_irq(&pdev->dev, irq_err, mxs_mmc_irq_handler, 0, dev_name(&pdev->dev), host); if (ret) goto out_free_dma; - spin_lock_init(&host->lock); - ret = mmc_add_host(mmc); if (ret) goto out_free_dma; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 71654b9..42ef3eb 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2086,6 +2086,10 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) if (!host->tuning_done) { pr_info(DRIVER_NAME ": Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock\n"); + + sdhci_do_reset(host, SDHCI_RESET_CMD); + sdhci_do_reset(host, SDHCI_RESET_DATA); + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ctrl &= ~SDHCI_CTRL_TUNED_CLK; ctrl &= ~SDHCI_CTRL_EXEC_TUNING; @@ -2286,10 +2290,8 @@ static bool sdhci_request_done(struct sdhci_host *host) for (i = 0; i < SDHCI_MAX_MRQS; i++) { mrq = host->mrqs_done[i]; - if (mrq) { - host->mrqs_done[i] = NULL; + if (mrq) break; - } } if (!mrq) { @@ -2320,6 +2322,17 @@ static bool sdhci_request_done(struct sdhci_host *host) * upon error conditions. */ if (sdhci_needs_reset(host, mrq)) { + /* + * Do not finish until command and data lines are available for + * reset. Note there can only be one other mrq, so it cannot + * also be in mrqs_done, otherwise host->cmd and host->data_cmd + * would both be null. + */ + if (host->cmd || host->data_cmd) { + spin_unlock_irqrestore(&host->lock, flags); + return true; + } + /* Some controllers need this kick or reset won't work here */ if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) /* This is to force an update */ @@ -2327,10 +2340,8 @@ static bool sdhci_request_done(struct sdhci_host *host) /* Spec says we should do both at the same time, but Ricoh controllers do not like that. */ - if (!host->cmd) - sdhci_do_reset(host, SDHCI_RESET_CMD); - if (!host->data_cmd) - sdhci_do_reset(host, SDHCI_RESET_DATA); + sdhci_do_reset(host, SDHCI_RESET_CMD); + sdhci_do_reset(host, SDHCI_RESET_DATA); host->pending_reset = false; } @@ -2338,6 +2349,8 @@ static bool sdhci_request_done(struct sdhci_host *host) if (!sdhci_has_requests(host)) sdhci_led_deactivate(host); + host->mrqs_done[i] = NULL; + mmiowb(); spin_unlock_irqrestore(&host->lock, flags); @@ -2512,9 +2525,6 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) if (!host->data) { struct mmc_command *data_cmd = host->data_cmd; - if (data_cmd) - host->data_cmd = NULL; - /* * The "data complete" interrupt is also used to * indicate that a busy state has ended. See comment @@ -2522,11 +2532,13 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) */ if (data_cmd && (data_cmd->flags & MMC_RSP_BUSY)) { if (intmask & SDHCI_INT_DATA_TIMEOUT) { + host->data_cmd = NULL; data_cmd->error = -ETIMEDOUT; sdhci_finish_mrq(host, data_cmd->mrq); return; } if (intmask & SDHCI_INT_DATA_END) { + host->data_cmd = NULL; /* * Some cards handle busy-end interrupt * before the command completed, so make @@ -2912,6 +2924,10 @@ int sdhci_runtime_resume_host(struct sdhci_host *host) spin_unlock_irqrestore(&host->lock, flags); } + if ((mmc->caps2 & MMC_CAP2_HS400_ES) && + mmc->ops->hs400_enhanced_strobe) + mmc->ops->hs400_enhanced_strobe(mmc, &mmc->ios); + spin_lock_irqsave(&host->lock, flags); host->runtime_suspended = false; diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c index 83deda4..6f9563a 100644 --- a/drivers/nfc/mei_phy.c +++ b/drivers/nfc/mei_phy.c @@ -133,7 +133,7 @@ static int mei_nfc_if_version(struct nfc_mei_phy *phy) return -ENOMEM; bytes_recv = mei_cldev_recv(phy->cldev, (u8 *)reply, if_version_length); - if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) { + if (bytes_recv < 0 || bytes_recv < if_version_length) { pr_err("Could not read IF version\n"); r = -EIO; goto err; diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index f5e3011..5daf2f4 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -612,7 +612,7 @@ int nvme_nvm_register(struct nvme_ns *ns, char *disk_name, int node, ret = nvm_register(dev); - ns->lba_shift = ilog2(dev->sec_size) - 9; + ns->lba_shift = ilog2(dev->sec_size); if (sysfs_create_group(&dev->dev.kobj, attrs)) pr_warn("%s: failed to create sysfs group for identification\n", diff --git a/drivers/of/base.c b/drivers/of/base.c index d687e6d..a0bccb5 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -2077,8 +2077,6 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) name = of_get_property(of_aliases, "stdout", NULL); if (name) of_stdout = of_find_node_opts_by_path(name, &of_stdout_options); - if (of_stdout) - console_set_by_of(); } if (!of_aliases) diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index e0b22da..e04f69b 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -190,6 +190,9 @@ struct rockchip_pcie { struct reset_control *mgmt_rst; struct reset_control *mgmt_sticky_rst; struct reset_control *pipe_rst; + struct reset_control *pm_rst; + struct reset_control *aclk_rst; + struct reset_control *pclk_rst; struct clk *aclk_pcie; struct clk *aclk_perf_pcie; struct clk *hclk_pcie; @@ -408,6 +411,44 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip) gpiod_set_value(rockchip->ep_gpio, 0); + err = reset_control_assert(rockchip->aclk_rst); + if (err) { + dev_err(dev, "assert aclk_rst err %d\n", err); + return err; + } + + err = reset_control_assert(rockchip->pclk_rst); + if (err) { + dev_err(dev, "assert pclk_rst err %d\n", err); + return err; + } + + err = reset_control_assert(rockchip->pm_rst); + if (err) { + dev_err(dev, "assert pm_rst err %d\n", err); + return err; + } + + udelay(10); + + err = reset_control_deassert(rockchip->pm_rst); + if (err) { + dev_err(dev, "deassert pm_rst err %d\n", err); + return err; + } + + err = reset_control_deassert(rockchip->aclk_rst); + if (err) { + dev_err(dev, "deassert mgmt_sticky_rst err %d\n", err); + return err; + } + + err = reset_control_deassert(rockchip->pclk_rst); + if (err) { + dev_err(dev, "deassert mgmt_sticky_rst err %d\n", err); + return err; + } + err = phy_init(rockchip->phy); if (err < 0) { dev_err(dev, "fail to init phy, err %d\n", err); @@ -781,6 +822,27 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) return PTR_ERR(rockchip->pipe_rst); } + rockchip->pm_rst = devm_reset_control_get(dev, "pm"); + if (IS_ERR(rockchip->pm_rst)) { + if (PTR_ERR(rockchip->pm_rst) != -EPROBE_DEFER) + dev_err(dev, "missing pm reset property in node\n"); + return PTR_ERR(rockchip->pm_rst); + } + + rockchip->pclk_rst = devm_reset_control_get(dev, "pclk"); + if (IS_ERR(rockchip->pclk_rst)) { + if (PTR_ERR(rockchip->pclk_rst) != -EPROBE_DEFER) + dev_err(dev, "missing pclk reset property in node\n"); + return PTR_ERR(rockchip->pclk_rst); + } + + rockchip->aclk_rst = devm_reset_control_get(dev, "aclk"); + if (IS_ERR(rockchip->aclk_rst)) { + if (PTR_ERR(rockchip->aclk_rst) != -EPROBE_DEFER) + dev_err(dev, "missing aclk reset property in node\n"); + return PTR_ERR(rockchip->aclk_rst); + } + rockchip->ep_gpio = devm_gpiod_get(dev, "ep", GPIOD_OUT_HIGH); if (IS_ERR(rockchip->ep_gpio)) { dev_err(dev, "missing ep-gpios property in node\n"); diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 66c4d8f..9526e34 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -121,6 +121,14 @@ int pci_claim_resource(struct pci_dev *dev, int resource) return -EINVAL; } + /* + * If we have a shadow copy in RAM, the PCI device doesn't respond + * to the shadow range, so we don't need to claim it, and upstream + * bridges don't need to route the range to the device. + */ + if (res->flags & IORESOURCE_ROM_SHADOW) + return 0; + root = pci_find_parent_resource(dev, res); if (!root) { dev_info(&dev->dev, "can't claim BAR %d %pR: no compatible bridge window\n", diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 153f312..b6b316d 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -107,7 +107,7 @@ int soc_pcmcia_regulator_set(struct soc_pcmcia_socket *skt, ret = regulator_enable(r->reg); } else { - regulator_disable(r->reg); + ret = regulator_disable(r->reg); } if (ret == 0) r->on = on; diff --git a/drivers/phy/phy-da8xx-usb.c b/drivers/phy/phy-da8xx-usb.c index 32ae78c..c85fb0b 100644 --- a/drivers/phy/phy-da8xx-usb.c +++ b/drivers/phy/phy-da8xx-usb.c @@ -198,7 +198,8 @@ static int da8xx_usb_phy_probe(struct platform_device *pdev) } else { int ret; - ret = phy_create_lookup(d_phy->usb11_phy, "usb-phy", "ohci.0"); + ret = phy_create_lookup(d_phy->usb11_phy, "usb-phy", + "ohci-da8xx"); if (ret) dev_warn(dev, "Failed to create usb11 phy lookup\n"); ret = phy_create_lookup(d_phy->usb20_phy, "usb-phy", @@ -216,7 +217,7 @@ static int da8xx_usb_phy_remove(struct platform_device *pdev) if (!pdev->dev.of_node) { phy_remove_lookup(d_phy->usb20_phy, "usb-phy", "musb-da8xx"); - phy_remove_lookup(d_phy->usb11_phy, "usb-phy", "ohci.0"); + phy_remove_lookup(d_phy->usb11_phy, "usb-phy", "ohci-da8xx"); } return 0; diff --git a/drivers/phy/phy-rockchip-pcie.c b/drivers/phy/phy-rockchip-pcie.c index a2b4c6b..6904633 100644 --- a/drivers/phy/phy-rockchip-pcie.c +++ b/drivers/phy/phy-rockchip-pcie.c @@ -249,21 +249,10 @@ err_refclk: static int rockchip_pcie_phy_exit(struct phy *phy) { struct rockchip_pcie_phy *rk_phy = phy_get_drvdata(phy); - int err = 0; clk_disable_unprepare(rk_phy->clk_pciephy_ref); - err = reset_control_deassert(rk_phy->phy_rst); - if (err) { - dev_err(&phy->dev, "deassert phy_rst err %d\n", err); - goto err_reset; - } - - return err; - -err_reset: - clk_prepare_enable(rk_phy->clk_pciephy_ref); - return err; + return 0; } static const struct phy_ops ops = { diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index b9342a2..fec34f5 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -264,7 +264,7 @@ static int sun4i_usb_phy_init(struct phy *_phy) return ret; } - if (data->cfg->enable_pmu_unk1) { + if (phy->pmu && data->cfg->enable_pmu_unk1) { val = readl(phy->pmu + REG_PMU_UNK1); writel(val & ~2, phy->pmu + REG_PMU_UNK1); } diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c index c8c72e8..87b4639 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c @@ -26,7 +26,7 @@ #define ASPEED_G5_NR_PINS 228 -#define COND1 SIG_DESC_BIT(SCU90, 6, 0) +#define COND1 { SCU90, BIT(6), 0, 0 } #define COND2 { SCU94, GENMASK(1, 0), 0, 0 } #define B14 0 diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c index 7f77007..5d1e505c3 100644 --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c @@ -844,6 +844,6 @@ static struct platform_driver iproc_gpio_driver = { static int __init iproc_gpio_init(void) { - return platform_driver_probe(&iproc_gpio_driver, iproc_gpio_probe); + return platform_driver_register(&iproc_gpio_driver); } arch_initcall_sync(iproc_gpio_init); diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c index 35783db..c8deb8b 100644 --- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c @@ -741,6 +741,6 @@ static struct platform_driver nsp_gpio_driver = { static int __init nsp_gpio_init(void) { - return platform_driver_probe(&nsp_gpio_driver, nsp_gpio_probe); + return platform_driver_register(&nsp_gpio_driver); } arch_initcall_sync(nsp_gpio_init); diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 4761320..79c4e14 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -687,6 +687,7 @@ static int imx_pinctrl_probe_dt(struct platform_device *pdev, if (!info->functions) return -ENOMEM; + info->group_index = 0; if (flat_funcs) { info->ngroups = of_get_child_count(np); } else { diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 30389f4..c43b1e9 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1652,12 +1652,15 @@ static int chv_pinctrl_probe(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP -static int chv_pinctrl_suspend(struct device *dev) +static int chv_pinctrl_suspend_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct chv_pinctrl *pctrl = platform_get_drvdata(pdev); + unsigned long flags; int i; + raw_spin_lock_irqsave(&chv_lock, flags); + pctrl->saved_intmask = readl(pctrl->regs + CHV_INTMASK); for (i = 0; i < pctrl->community->npins; i++) { @@ -1678,15 +1681,20 @@ static int chv_pinctrl_suspend(struct device *dev) ctx->padctrl1 = readl(reg); } + raw_spin_unlock_irqrestore(&chv_lock, flags); + return 0; } -static int chv_pinctrl_resume(struct device *dev) +static int chv_pinctrl_resume_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct chv_pinctrl *pctrl = platform_get_drvdata(pdev); + unsigned long flags; int i; + raw_spin_lock_irqsave(&chv_lock, flags); + /* * Mask all interrupts before restoring per-pin configuration * registers because we don't know in which state BIOS left them @@ -1731,12 +1739,15 @@ static int chv_pinctrl_resume(struct device *dev) chv_writel(0xffff, pctrl->regs + CHV_INTSTAT); chv_writel(pctrl->saved_intmask, pctrl->regs + CHV_INTMASK); + raw_spin_unlock_irqrestore(&chv_lock, flags); + return 0; } #endif static const struct dev_pm_ops chv_pinctrl_pm_ops = { - SET_LATE_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend, chv_pinctrl_resume) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend_noirq, + chv_pinctrl_resume_noirq) }; static const struct acpi_device_id chv_pinctrl_acpi_match[] = { diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 99da4cf..b7bb371 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1512,7 +1512,7 @@ static int st_gpiolib_register_bank(struct st_pinctrl *info, if (info->irqmux_base || gpio_irq > 0) { err = gpiochip_irqchip_add(&bank->gpio_chip, &st_gpio_irqchip, 0, handle_simple_irq, - IRQ_TYPE_LEVEL_LOW); + IRQ_TYPE_NONE); if (err) { gpiochip_remove(&bank->gpio_chip); dev_info(dev, "could not add irqchip\n"); diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 200667f..efc4371 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1092,9 +1092,11 @@ int stm32_pctl_probe(struct platform_device *pdev) return -EINVAL; } - ret = stm32_pctrl_dt_setup_irq(pdev, pctl); - if (ret) - return ret; + if (of_find_property(np, "interrupt-parent", NULL)) { + ret = stm32_pctrl_dt_setup_irq(pdev, pctl); + if (ret) + return ret; + } for_each_child_of_node(np, child) if (of_property_read_bool(child, "gpio-controller")) diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index a232394..a7614fc 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -934,6 +934,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { }, }, { + .ident = "Lenovo Yoga 900", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_BOARD_NAME, "VIUU4"), + }, + }, + { .ident = "Lenovo YOGA 910-13IKB", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index ed58742..12dbb50 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -264,7 +264,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; if (acpi_match_device_ids(dev, ids) == 0) - if (acpi_create_platform_device(dev)) + if (acpi_create_platform_device(dev, NULL)) dev_info(&dev->dev, "intel-hid: created platform device\n"); diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index 146d02f..7808076 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -164,7 +164,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; if (acpi_match_device_ids(dev, ids) == 0) - if (acpi_create_platform_device(dev)) + if (acpi_create_platform_device(dev, NULL)) dev_info(&dev->dev, "intel-vbtn: created platform device\n"); diff --git a/drivers/platform/x86/toshiba-wmi.c b/drivers/platform/x86/toshiba-wmi.c index feac457..2df07ee 100644 --- a/drivers/platform/x86/toshiba-wmi.c +++ b/drivers/platform/x86/toshiba-wmi.c @@ -24,14 +24,15 @@ #include <linux/acpi.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> +#include <linux/dmi.h> MODULE_AUTHOR("Azael Avalos"); MODULE_DESCRIPTION("Toshiba WMI Hotkey Driver"); MODULE_LICENSE("GPL"); -#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100" +#define WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100" -MODULE_ALIAS("wmi:"TOSHIBA_WMI_EVENT_GUID); +MODULE_ALIAS("wmi:"WMI_EVENT_GUID); static struct input_dev *toshiba_wmi_input_dev; @@ -63,6 +64,16 @@ static void toshiba_wmi_notify(u32 value, void *context) kfree(response.pointer); } +static struct dmi_system_id toshiba_wmi_dmi_table[] __initdata = { + { + .ident = "Toshiba laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + }, + }, + {} +}; + static int __init toshiba_wmi_input_setup(void) { acpi_status status; @@ -81,7 +92,7 @@ static int __init toshiba_wmi_input_setup(void) if (err) goto err_free_dev; - status = wmi_install_notify_handler(TOSHIBA_WMI_EVENT_GUID, + status = wmi_install_notify_handler(WMI_EVENT_GUID, toshiba_wmi_notify, NULL); if (ACPI_FAILURE(status)) { err = -EIO; @@ -95,7 +106,7 @@ static int __init toshiba_wmi_input_setup(void) return 0; err_remove_notifier: - wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID); + wmi_remove_notify_handler(WMI_EVENT_GUID); err_free_keymap: sparse_keymap_free(toshiba_wmi_input_dev); err_free_dev: @@ -105,7 +116,7 @@ static int __init toshiba_wmi_input_setup(void) static void toshiba_wmi_input_destroy(void) { - wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID); + wmi_remove_notify_handler(WMI_EVENT_GUID); sparse_keymap_free(toshiba_wmi_input_dev); input_unregister_device(toshiba_wmi_input_dev); } @@ -114,7 +125,8 @@ static int __init toshiba_wmi_init(void) { int ret; - if (!wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) + if (!wmi_has_guid(WMI_EVENT_GUID) || + !dmi_check_system(toshiba_wmi_dmi_table)) return -ENODEV; ret = toshiba_wmi_input_setup(); @@ -130,7 +142,7 @@ static int __init toshiba_wmi_init(void) static void __exit toshiba_wmi_exit(void) { - if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) + if (wmi_has_guid(WMI_EVENT_GUID)) toshiba_wmi_input_destroy(); } diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index d142113..2ffe029 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -2081,9 +2081,10 @@ void cxgbi_cleanup_task(struct iscsi_task *task) /* never reached the xmit task callout */ if (tdata->skb) __kfree_skb(tdata->skb); - memset(tdata, 0, sizeof(*tdata)); task_release_itt(task, task->hdr_itt); + memset(tdata, 0, sizeof(*tdata)); + iscsi_tcp_cleanup_task(task); } EXPORT_SYMBOL_GPL(cxgbi_cleanup_task); diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 241829e..7bb2068 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -793,6 +793,7 @@ static void alua_rtpg_work(struct work_struct *work) WARN_ON(pg->flags & ALUA_PG_RUN_RTPG); WARN_ON(pg->flags & ALUA_PG_RUN_STPG); spin_unlock_irqrestore(&pg->lock, flags); + kref_put(&pg->kref, release_port_group); return; } if (pg->flags & ALUA_SYNC_STPG) @@ -890,6 +891,7 @@ static void alua_rtpg_queue(struct alua_port_group *pg, /* Do not queue if the worker is already running */ if (!(pg->flags & ALUA_PG_RUNNING)) { kref_get(&pg->kref); + sdev = NULL; start_queue = 1; } } @@ -901,7 +903,8 @@ static void alua_rtpg_queue(struct alua_port_group *pg, if (start_queue && !queue_delayed_work(alua_wq, &pg->rtpg_work, msecs_to_jiffies(ALUA_RTPG_DELAY_MSECS))) { - scsi_device_put(sdev); + if (sdev) + scsi_device_put(sdev); kref_put(&pg->kref, release_port_group); } } diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index ca86c88..3aaea71 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2233,7 +2233,7 @@ struct megasas_instance_template { }; #define MEGASAS_IS_LOGICAL(scp) \ - (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1 + ((scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1) #define MEGASAS_DEV_INDEX(scp) \ (((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \ diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 209a969..8aa769a 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -1273,9 +1273,9 @@ scsih_target_alloc(struct scsi_target *starget) sas_target_priv_data->handle = raid_device->handle; sas_target_priv_data->sas_address = raid_device->wwid; sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; - sas_target_priv_data->raid_device = raid_device; if (ioc->is_warpdrive) - raid_device->starget = starget; + sas_target_priv_data->raid_device = raid_device; + raid_device->starget = starget; } spin_unlock_irqrestore(&ioc->raid_device_lock, flags); return 0; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index ace65db..567fa08 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -707,6 +707,11 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) srb_t *sp; int rval; + if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) { + cmd->result = DID_NO_CONNECT << 16; + goto qc24_fail_command; + } + if (ha->flags.eeh_busy) { if (ha->flags.pci_channel_io_perm_failure) { ql_dbg(ql_dbg_aer, vha, 0x9010, @@ -1451,6 +1456,15 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { + /* Get a reference to the sp and drop the lock. + * The reference ensures this sp->done() call + * - and not the call in qla2xxx_eh_abort() - + * ends the SCSI command (with result 'res'). + */ + sp_get(sp); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + qla2xxx_eh_abort(GET_CMD_SP(sp)); + spin_lock_irqsave(&ha->hardware_lock, flags); req->outstanding_cmds[cnt] = NULL; sp->done(vha, sp, res); } @@ -2341,6 +2355,8 @@ qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) { scsi_qla_host_t *vha = shost_priv(shost); + if (test_bit(UNLOADING, &vha->dpc_flags)) + return 1; if (!vha->host) return 1; if (time > vha->hw->loop_reset_delay * HZ) diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 4a0d3cd..15ca09c 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -793,6 +793,7 @@ static int pvscsi_abort(struct scsi_cmnd *cmd) unsigned long flags; int result = SUCCESS; DECLARE_COMPLETION_ONSTACK(abort_cmp); + int done; scmd_printk(KERN_DEBUG, cmd, "task abort on host %u, %p\n", adapter->host->host_no, cmd); @@ -824,10 +825,10 @@ static int pvscsi_abort(struct scsi_cmnd *cmd) pvscsi_abort_cmd(adapter, ctx); spin_unlock_irqrestore(&adapter->hw_lock, flags); /* Wait for 2 secs for the completion. */ - wait_for_completion_timeout(&abort_cmp, msecs_to_jiffies(2000)); + done = wait_for_completion_timeout(&abort_cmp, msecs_to_jiffies(2000)); spin_lock_irqsave(&adapter->hw_lock, flags); - if (!completion_done(&abort_cmp)) { + if (!done) { /* * Failed to abort the command, unmark the fact that it * was requested to be aborted. diff --git a/drivers/scsi/vmw_pvscsi.h b/drivers/scsi/vmw_pvscsi.h index c097d2c..d41292e 100644 --- a/drivers/scsi/vmw_pvscsi.h +++ b/drivers/scsi/vmw_pvscsi.h @@ -26,7 +26,7 @@ #include <linux/types.h> -#define PVSCSI_DRIVER_VERSION_STRING "1.0.6.0-k" +#define PVSCSI_DRIVER_VERSION_STRING "1.0.7.0-k" #define PVSCSI_MAX_NUM_SG_ENTRIES_PER_SEGMENT 128 diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c index 7043eb0..5ab49a7 100644 --- a/drivers/staging/comedi/drivers/ni_tio.c +++ b/drivers/staging/comedi/drivers/ni_tio.c @@ -207,7 +207,8 @@ static int ni_tio_clock_period_ps(const struct ni_gpct *counter, * clock period is specified by user with prescaling * already taken into account. */ - return counter->clock_period_ps; + *period_ps = counter->clock_period_ps; + return 0; } switch (generic_clock_source & NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK) { diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c index 34307ac..d33d6fe 100644 --- a/drivers/staging/greybus/arche-platform.c +++ b/drivers/staging/greybus/arche-platform.c @@ -186,6 +186,7 @@ int arche_platform_change_state(enum arche_platform_state state, exit: spin_unlock_irqrestore(&arche_pdata->wake_lock, flags); mutex_unlock(&arche_pdata->platform_state_mutex); + put_device(&pdev->dev); of_node_put(np); return ret; } diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 5eecf1c..3892a74 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -655,6 +655,7 @@ static void ad5933_work(struct work_struct *work) __be16 buf[2]; int val[2]; unsigned char status; + int ret; mutex_lock(&indio_dev->mlock); if (st->state == AD5933_CTRL_INIT_START_FREQ) { @@ -662,19 +663,22 @@ static void ad5933_work(struct work_struct *work) ad5933_cmd(st, AD5933_CTRL_START_SWEEP); st->state = AD5933_CTRL_START_SWEEP; schedule_delayed_work(&st->work, st->poll_time_jiffies); - mutex_unlock(&indio_dev->mlock); - return; + goto out; } - ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status); + ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status); + if (ret) + goto out; if (status & AD5933_STAT_DATA_VALID) { int scan_count = bitmap_weight(indio_dev->active_scan_mask, indio_dev->masklength); - ad5933_i2c_read(st->client, + ret = ad5933_i2c_read(st->client, test_bit(1, indio_dev->active_scan_mask) ? AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA, scan_count * 2, (u8 *)buf); + if (ret) + goto out; if (scan_count == 2) { val[0] = be16_to_cpu(buf[0]); @@ -686,8 +690,7 @@ static void ad5933_work(struct work_struct *work) } else { /* no data available - try again later */ schedule_delayed_work(&st->work, st->poll_time_jiffies); - mutex_unlock(&indio_dev->mlock); - return; + goto out; } if (status & AD5933_STAT_SWEEP_DONE) { @@ -700,7 +703,7 @@ static void ad5933_work(struct work_struct *work) ad5933_cmd(st, AD5933_CTRL_INC_FREQ); schedule_delayed_work(&st->work, st->poll_time_jiffies); } - +out: mutex_unlock(&indio_dev->mlock); } diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c index a324322..499952c 100644 --- a/drivers/staging/nvec/nvec_ps2.c +++ b/drivers/staging/nvec/nvec_ps2.c @@ -106,13 +106,12 @@ static int nvec_mouse_probe(struct platform_device *pdev) { struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); struct serio *ser_dev; - char mouse_reset[] = { NVEC_PS2, SEND_COMMAND, PSMOUSE_RST, 3 }; - ser_dev = devm_kzalloc(&pdev->dev, sizeof(struct serio), GFP_KERNEL); + ser_dev = kzalloc(sizeof(struct serio), GFP_KERNEL); if (!ser_dev) return -ENOMEM; - ser_dev->id.type = SERIO_PS_PSTHRU; + ser_dev->id.type = SERIO_8042; ser_dev->write = ps2_sendcommand; ser_dev->start = ps2_startstreaming; ser_dev->stop = ps2_stopstreaming; @@ -127,9 +126,6 @@ static int nvec_mouse_probe(struct platform_device *pdev) serio_register_port(ser_dev); - /* mouse reset */ - nvec_write_async(nvec, mouse_reset, sizeof(mouse_reset)); - return 0; } diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h index 9552479..4ed6d8d 100644 --- a/drivers/staging/sm750fb/ddk750_reg.h +++ b/drivers/staging/sm750fb/ddk750_reg.h @@ -601,13 +601,13 @@ #define PANEL_PLANE_TL 0x08001C #define PANEL_PLANE_TL_TOP_SHIFT 16 -#define PANEL_PLANE_TL_TOP_MASK (0xeff << 16) -#define PANEL_PLANE_TL_LEFT_MASK 0xeff +#define PANEL_PLANE_TL_TOP_MASK (0x7ff << 16) +#define PANEL_PLANE_TL_LEFT_MASK 0x7ff #define PANEL_PLANE_BR 0x080020 #define PANEL_PLANE_BR_BOTTOM_SHIFT 16 -#define PANEL_PLANE_BR_BOTTOM_MASK (0xeff << 16) -#define PANEL_PLANE_BR_RIGHT_MASK 0xeff +#define PANEL_PLANE_BR_BOTTOM_MASK (0x7ff << 16) +#define PANEL_PLANE_BR_RIGHT_MASK 0x7ff #define PANEL_HORIZONTAL_TOTAL 0x080024 #define PANEL_HORIZONTAL_TOTAL_TOTAL_SHIFT 16 diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 78f0f85..fada988 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -932,8 +932,6 @@ static int wait_serial_change(struct acm *acm, unsigned long arg) DECLARE_WAITQUEUE(wait, current); struct async_icount old, new; - if (arg & (TIOCM_DSR | TIOCM_RI | TIOCM_CD)) - return -EINVAL; do { spin_lock_irq(&acm->read_lock); old = acm->oldcount; @@ -1161,6 +1159,8 @@ static int acm_probe(struct usb_interface *intf, if (quirks == IGNORE_DEVICE) return -ENODEV; + memset(&h, 0x00, sizeof(struct usb_cdc_parsed_header)); + num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR; /* handle quirks deadly to normal probing*/ diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7287a76..fea4469 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -769,15 +769,14 @@ static int dwc3_core_init(struct dwc3 *dwc) return 0; err4: - phy_power_off(dwc->usb2_generic_phy); + phy_power_off(dwc->usb3_generic_phy); err3: - phy_power_off(dwc->usb3_generic_phy); + phy_power_off(dwc->usb2_generic_phy); err2: usb_phy_set_suspend(dwc->usb2_phy, 1); usb_phy_set_suspend(dwc->usb3_phy, 1); - dwc3_core_exit(dwc); err1: usb_phy_shutdown(dwc->usb2_phy); diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 89a2f71..aaaf256 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -31,6 +31,7 @@ #include <linux/slab.h> #include <linux/regmap.h> #include <linux/reset.h> +#include <linux/pinctrl/consumer.h> #include <linux/usb/of.h> #include "core.h" diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index fe18116..5d1bd13 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -588,14 +588,6 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, req->length = length; - /* throttle high/super speed IRQ rate back slightly */ - if (gadget_is_dualspeed(dev->gadget)) - req->no_interrupt = (((dev->gadget->speed == USB_SPEED_HIGH || - dev->gadget->speed == USB_SPEED_SUPER)) && - !list_empty(&dev->tx_reqs)) - ? ((atomic_read(&dev->tx_qlen) % dev->qmult) != 0) - : 0; - retval = usb_ep_queue(in, req, GFP_ATOMIC); switch (retval) { default: diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index d793f54..a9a1e4c 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -995,6 +995,14 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev) } val = readl(base + ext_cap_offset); + /* Auto handoff never worked for these devices. Force it and continue */ + if ((pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) || + (pdev->vendor == PCI_VENDOR_ID_RENESAS + && pdev->device == 0x0014)) { + val = (val | XHCI_HC_OS_OWNED) & ~XHCI_HC_BIOS_OWNED; + writel(val, base + ext_cap_offset); + } + /* If the BIOS owns the HC, signal that the OS wants it, and wait */ if (val & XHCI_HC_BIOS_OWNED) { writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset); diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 210b7e4..2440f88 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -479,7 +479,8 @@ static int da8xx_probe(struct platform_device *pdev) glue->phy = devm_phy_get(&pdev->dev, "usb-phy"); if (IS_ERR(glue->phy)) { - dev_err(&pdev->dev, "failed to get phy\n"); + if (PTR_ERR(glue->phy) != -EPROBE_DEFER) + dev_err(&pdev->dev, "failed to get phy\n"); return PTR_ERR(glue->phy); } diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 27dadc0..e01116e 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2114,11 +2114,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb->io.ep_offset = musb_flat_ep_offset; musb->io.ep_select = musb_flat_ep_select; } - /* And override them with platform specific ops if specified. */ - if (musb->ops->ep_offset) - musb->io.ep_offset = musb->ops->ep_offset; - if (musb->ops->ep_select) - musb->io.ep_select = musb->ops->ep_select; /* At least tusb6010 has its own offsets */ if (musb->ops->ep_offset) diff --git a/drivers/uwb/lc-rc.c b/drivers/uwb/lc-rc.c index d059ad4..97ee1b4 100644 --- a/drivers/uwb/lc-rc.c +++ b/drivers/uwb/lc-rc.c @@ -56,8 +56,11 @@ static struct uwb_rc *uwb_rc_find_by_index(int index) struct uwb_rc *rc = NULL; dev = class_find_device(&uwb_rc_class, NULL, &index, uwb_rc_index_match); - if (dev) + if (dev) { rc = dev_get_drvdata(dev); + put_device(dev); + } + return rc; } @@ -467,7 +470,9 @@ struct uwb_rc *__uwb_rc_try_get(struct uwb_rc *target_rc) if (dev) { rc = dev_get_drvdata(dev); __uwb_rc_get(rc); + put_device(dev); } + return rc; } EXPORT_SYMBOL_GPL(__uwb_rc_try_get); @@ -520,8 +525,11 @@ struct uwb_rc *uwb_rc_get_by_grandpa(const struct device *grandpa_dev) dev = class_find_device(&uwb_rc_class, NULL, grandpa_dev, find_rc_grandpa); - if (dev) + if (dev) { rc = dev_get_drvdata(dev); + put_device(dev); + } + return rc; } EXPORT_SYMBOL_GPL(uwb_rc_get_by_grandpa); @@ -553,8 +561,10 @@ struct uwb_rc *uwb_rc_get_by_dev(const struct uwb_dev_addr *addr) struct uwb_rc *rc = NULL; dev = class_find_device(&uwb_rc_class, NULL, addr, find_rc_dev); - if (dev) + if (dev) { rc = dev_get_drvdata(dev); + put_device(dev); + } return rc; } diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c index c1304b8..678e937 100644 --- a/drivers/uwb/pal.c +++ b/drivers/uwb/pal.c @@ -97,6 +97,8 @@ static bool uwb_rc_class_device_exists(struct uwb_rc *target_rc) dev = class_find_device(&uwb_rc_class, NULL, target_rc, find_rc); + put_device(dev); + return (dev != NULL); } @@ -1078,6 +1078,17 @@ static void aio_complete(struct kiocb *kiocb, long res, long res2) unsigned tail, pos, head; unsigned long flags; + if (kiocb->ki_flags & IOCB_WRITE) { + struct file *file = kiocb->ki_filp; + + /* + * Tell lockdep we inherited freeze protection from submission + * thread. + */ + __sb_writers_acquired(file_inode(file)->i_sb, SB_FREEZE_WRITE); + file_end_write(file); + } + /* * Special case handling for sync iocbs: * - events go directly into the iocb for fast handling @@ -1392,122 +1403,106 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx) return -EINVAL; } -typedef ssize_t (rw_iter_op)(struct kiocb *, struct iov_iter *); - -static int aio_setup_vectored_rw(int rw, char __user *buf, size_t len, - struct iovec **iovec, - bool compat, - struct iov_iter *iter) +static int aio_setup_rw(int rw, struct iocb *iocb, struct iovec **iovec, + bool vectored, bool compat, struct iov_iter *iter) { + void __user *buf = (void __user *)(uintptr_t)iocb->aio_buf; + size_t len = iocb->aio_nbytes; + + if (!vectored) { + ssize_t ret = import_single_range(rw, buf, len, *iovec, iter); + *iovec = NULL; + return ret; + } #ifdef CONFIG_COMPAT if (compat) - return compat_import_iovec(rw, - (struct compat_iovec __user *)buf, - len, UIO_FASTIOV, iovec, iter); + return compat_import_iovec(rw, buf, len, UIO_FASTIOV, iovec, + iter); #endif - return import_iovec(rw, (struct iovec __user *)buf, - len, UIO_FASTIOV, iovec, iter); + return import_iovec(rw, buf, len, UIO_FASTIOV, iovec, iter); } -/* - * aio_run_iocb: - * Performs the initial checks and io submission. - */ -static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, - char __user *buf, size_t len, bool compat) +static inline ssize_t aio_ret(struct kiocb *req, ssize_t ret) +{ + switch (ret) { + case -EIOCBQUEUED: + return ret; + case -ERESTARTSYS: + case -ERESTARTNOINTR: + case -ERESTARTNOHAND: + case -ERESTART_RESTARTBLOCK: + /* + * There's no easy way to restart the syscall since other AIO's + * may be already running. Just fail this IO with EINTR. + */ + ret = -EINTR; + /*FALLTHRU*/ + default: + aio_complete(req, ret, 0); + return 0; + } +} + +static ssize_t aio_read(struct kiocb *req, struct iocb *iocb, bool vectored, + bool compat) { struct file *file = req->ki_filp; - ssize_t ret; - int rw; - fmode_t mode; - rw_iter_op *iter_op; struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct iov_iter iter; + ssize_t ret; - switch (opcode) { - case IOCB_CMD_PREAD: - case IOCB_CMD_PREADV: - mode = FMODE_READ; - rw = READ; - iter_op = file->f_op->read_iter; - goto rw_common; - - case IOCB_CMD_PWRITE: - case IOCB_CMD_PWRITEV: - mode = FMODE_WRITE; - rw = WRITE; - iter_op = file->f_op->write_iter; - goto rw_common; -rw_common: - if (unlikely(!(file->f_mode & mode))) - return -EBADF; - - if (!iter_op) - return -EINVAL; - - if (opcode == IOCB_CMD_PREADV || opcode == IOCB_CMD_PWRITEV) - ret = aio_setup_vectored_rw(rw, buf, len, - &iovec, compat, &iter); - else { - ret = import_single_range(rw, buf, len, iovec, &iter); - iovec = NULL; - } - if (!ret) - ret = rw_verify_area(rw, file, &req->ki_pos, - iov_iter_count(&iter)); - if (ret < 0) { - kfree(iovec); - return ret; - } - - if (rw == WRITE) - file_start_write(file); - - ret = iter_op(req, &iter); - - if (rw == WRITE) - file_end_write(file); - kfree(iovec); - break; - - case IOCB_CMD_FDSYNC: - if (!file->f_op->aio_fsync) - return -EINVAL; - - ret = file->f_op->aio_fsync(req, 1); - break; + if (unlikely(!(file->f_mode & FMODE_READ))) + return -EBADF; + if (unlikely(!file->f_op->read_iter)) + return -EINVAL; - case IOCB_CMD_FSYNC: - if (!file->f_op->aio_fsync) - return -EINVAL; + ret = aio_setup_rw(READ, iocb, &iovec, vectored, compat, &iter); + if (ret) + return ret; + ret = rw_verify_area(READ, file, &req->ki_pos, iov_iter_count(&iter)); + if (!ret) + ret = aio_ret(req, file->f_op->read_iter(req, &iter)); + kfree(iovec); + return ret; +} - ret = file->f_op->aio_fsync(req, 0); - break; +static ssize_t aio_write(struct kiocb *req, struct iocb *iocb, bool vectored, + bool compat) +{ + struct file *file = req->ki_filp; + struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; + struct iov_iter iter; + ssize_t ret; - default: - pr_debug("EINVAL: no operation provided\n"); + if (unlikely(!(file->f_mode & FMODE_WRITE))) + return -EBADF; + if (unlikely(!file->f_op->write_iter)) return -EINVAL; - } - if (ret != -EIOCBQUEUED) { + ret = aio_setup_rw(WRITE, iocb, &iovec, vectored, compat, &iter); + if (ret) + return ret; + ret = rw_verify_area(WRITE, file, &req->ki_pos, iov_iter_count(&iter)); + if (!ret) { + req->ki_flags |= IOCB_WRITE; + file_start_write(file); + ret = aio_ret(req, file->f_op->write_iter(req, &iter)); /* - * There's no easy way to restart the syscall since other AIO's - * may be already running. Just fail this IO with EINTR. + * We release freeze protection in aio_complete(). Fool lockdep + * by telling it the lock got released so that it doesn't + * complain about held lock when we return to userspace. */ - if (unlikely(ret == -ERESTARTSYS || ret == -ERESTARTNOINTR || - ret == -ERESTARTNOHAND || - ret == -ERESTART_RESTARTBLOCK)) - ret = -EINTR; - aio_complete(req, ret, 0); + __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE); } - - return 0; + kfree(iovec); + return ret; } static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, struct iocb *iocb, bool compat) { struct aio_kiocb *req; + struct file *file; ssize_t ret; /* enforce forwards compatibility on users */ @@ -1530,7 +1525,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, if (unlikely(!req)) return -EAGAIN; - req->common.ki_filp = fget(iocb->aio_fildes); + req->common.ki_filp = file = fget(iocb->aio_fildes); if (unlikely(!req->common.ki_filp)) { ret = -EBADF; goto out_put_req; @@ -1565,13 +1560,29 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, req->ki_user_iocb = user_iocb; req->ki_user_data = iocb->aio_data; - ret = aio_run_iocb(&req->common, iocb->aio_lio_opcode, - (char __user *)(unsigned long)iocb->aio_buf, - iocb->aio_nbytes, - compat); - if (ret) - goto out_put_req; + get_file(file); + switch (iocb->aio_lio_opcode) { + case IOCB_CMD_PREAD: + ret = aio_read(&req->common, iocb, false, compat); + break; + case IOCB_CMD_PWRITE: + ret = aio_write(&req->common, iocb, false, compat); + break; + case IOCB_CMD_PREADV: + ret = aio_read(&req->common, iocb, true, compat); + break; + case IOCB_CMD_PWRITEV: + ret = aio_write(&req->common, iocb, true, compat); + break; + default: + pr_debug("invalid aio operation %d\n", iocb->aio_lio_opcode); + ret = -EINVAL; + break; + } + fput(file); + if (ret && ret != -EIOCBQUEUED) + goto out_put_req; return 0; out_put_req: put_reqs_available(ctx, 1); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 18630e8..f995e35 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -1770,7 +1770,6 @@ const struct file_operations ceph_file_fops = { .fsync = ceph_fsync, .lock = ceph_lock, .flock = ceph_flock, - .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, .unlocked_ioctl = ceph_ioctl, .compat_ioctl = ceph_ioctl, diff --git a/fs/coredump.c b/fs/coredump.c index 281b768..eb9c92c 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -1,6 +1,7 @@ #include <linux/slab.h> #include <linux/file.h> #include <linux/fdtable.h> +#include <linux/freezer.h> #include <linux/mm.h> #include <linux/stat.h> #include <linux/fcntl.h> @@ -423,7 +424,9 @@ static int coredump_wait(int exit_code, struct core_state *core_state) if (core_waiters > 0) { struct core_thread *ptr; + freezer_do_not_count(); wait_for_completion(&core_state->startup); + freezer_count(); /* * Wait for all the threads to become inactive, so that * all the thread context (extended register state, like diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 7555ba8..ebecfb8 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -314,7 +314,8 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat /* Match the full socket address */ if (!rpc_cmp_addr_port(sap, clap)) /* Match all xprt_switch full socket addresses */ - if (!rpc_clnt_xprt_switch_has_addr(clp->cl_rpcclient, + if (IS_ERR(clp->cl_rpcclient) || + !rpc_clnt_xprt_switch_has_addr(clp->cl_rpcclient, sap)) continue; diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index c8162c6..5551e8e 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -98,7 +98,7 @@ rename_retry: return end; } namelen = strlen(base); - if (flags & NFS_PATH_CANONICAL) { + if (*end == '/') { /* Strip off excess slashes in base string */ while (namelen > 0 && base[namelen - 1] == '/') namelen--; diff --git a/fs/nfs/nfs4session.c b/fs/nfs/nfs4session.c index b629730..a61350f 100644 --- a/fs/nfs/nfs4session.c +++ b/fs/nfs/nfs4session.c @@ -178,12 +178,14 @@ static int nfs4_slot_get_seqid(struct nfs4_slot_table *tbl, u32 slotid, __must_hold(&tbl->slot_tbl_lock) { struct nfs4_slot *slot; + int ret; slot = nfs4_lookup_slot(tbl, slotid); - if (IS_ERR(slot)) - return PTR_ERR(slot); - *seq_nr = slot->seq_nr; - return 0; + ret = PTR_ERR_OR_ZERO(slot); + if (!ret) + *seq_nr = slot->seq_nr; + + return ret; } /* @@ -196,7 +198,7 @@ static int nfs4_slot_get_seqid(struct nfs4_slot_table *tbl, u32 slotid, static bool nfs4_slot_seqid_in_use(struct nfs4_slot_table *tbl, u32 slotid, u32 seq_nr) { - u32 cur_seq; + u32 cur_seq = 0; bool ret = false; spin_lock(&tbl->slot_tbl_lock); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 56b2d96..259ef85 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -146,6 +146,8 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh, u32 id; int i; + if (fsinfo->nlayouttypes == 0) + goto out_no_driver; if (!(server->nfs_client->cl_exchange_flags & (EXCHGID4_FLAG_USE_NON_PNFS | EXCHGID4_FLAG_USE_PNFS_MDS))) { printk(KERN_ERR "NFS: %s: cl_exchange_flags 0x%x\n", diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index a186135..0ee19ec 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -1544,8 +1544,6 @@ const struct file_operations ntfs_dir_ops = { .iterate = ntfs_readdir, /* Read directory contents. */ #ifdef NTFS_RW .fsync = ntfs_dir_fsync, /* Sync a directory to disk. */ - /*.aio_fsync = ,*/ /* Sync all outstanding async - i/o operations on a kiocb. */ #endif /* NTFS_RW */ /*.ioctl = ,*/ /* Perform function on the mounted filesystem. */ diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index e7054e2..3ecb9f3 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -3699,7 +3699,7 @@ static void ocfs2_dx_dir_transfer_leaf(struct inode *dir, u32 split_hash, static int ocfs2_dx_dir_rebalance_credits(struct ocfs2_super *osb, struct ocfs2_dx_root_block *dx_root) { - int credits = ocfs2_clusters_to_blocks(osb->sb, 2); + int credits = ocfs2_clusters_to_blocks(osb->sb, 3); credits += ocfs2_calc_extend_credits(osb->sb, &dx_root->dr_list); credits += ocfs2_quota_trans_credits(osb->sb); diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c index eb09aa0..d484068 100644 --- a/fs/orangefs/orangefs-debugfs.c +++ b/fs/orangefs/orangefs-debugfs.c @@ -141,6 +141,9 @@ static struct client_debug_mask client_debug_mask; */ static DEFINE_MUTEX(orangefs_debug_lock); +/* Used to protect data in ORANGEFS_KMOD_DEBUG_HELP_FILE */ +static DEFINE_MUTEX(orangefs_help_file_lock); + /* * initialize kmod debug operations, create orangefs debugfs dir and * ORANGEFS_KMOD_DEBUG_HELP_FILE. @@ -289,6 +292,8 @@ static void *help_start(struct seq_file *m, loff_t *pos) gossip_debug(GOSSIP_DEBUGFS_DEBUG, "help_start: start\n"); + mutex_lock(&orangefs_help_file_lock); + if (*pos == 0) payload = m->private; @@ -305,6 +310,7 @@ static void *help_next(struct seq_file *m, void *v, loff_t *pos) static void help_stop(struct seq_file *m, void *p) { gossip_debug(GOSSIP_DEBUGFS_DEBUG, "help_stop: start\n"); + mutex_unlock(&orangefs_help_file_lock); } static int help_show(struct seq_file *m, void *v) @@ -610,32 +616,54 @@ out: * /sys/kernel/debug/orangefs/debug-help can be catted to * see all the available kernel and client debug keywords. * - * When the kernel boots, we have no idea what keywords the + * When orangefs.ko initializes, we have no idea what keywords the * client supports, nor their associated masks. * - * We pass through this function once at boot and stamp a + * We pass through this function once at module-load and stamp a * boilerplate "we don't know" message for the client in the * debug-help file. We pass through here again when the client * starts and then we can fill out the debug-help file fully. * * The client might be restarted any number of times between - * reboots, we only build the debug-help file the first time. + * module reloads, we only build the debug-help file the first time. */ int orangefs_prepare_debugfs_help_string(int at_boot) { - int rc = -EINVAL; - int i; - int byte_count = 0; char *client_title = "Client Debug Keywords:\n"; char *kernel_title = "Kernel Debug Keywords:\n"; + size_t string_size = DEBUG_HELP_STRING_SIZE; + size_t result_size; + size_t i; + char *new; + int rc = -EINVAL; gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__); - if (at_boot) { - byte_count += strlen(HELP_STRING_UNINITIALIZED); + if (at_boot) client_title = HELP_STRING_UNINITIALIZED; - } else { - /* + + /* build a new debug_help_string. */ + new = kzalloc(DEBUG_HELP_STRING_SIZE, GFP_KERNEL); + if (!new) { + rc = -ENOMEM; + goto out; + } + + /* + * strlcat(dst, src, size) will append at most + * "size - strlen(dst) - 1" bytes of src onto dst, + * null terminating the result, and return the total + * length of the string it tried to create. + * + * We'll just plow through here building our new debug + * help string and let strlcat take care of assuring that + * dst doesn't overflow. + */ + strlcat(new, client_title, string_size); + + if (!at_boot) { + + /* * fill the client keyword/mask array and remember * how many elements there were. */ @@ -644,64 +672,40 @@ int orangefs_prepare_debugfs_help_string(int at_boot) if (cdm_element_count <= 0) goto out; - /* Count the bytes destined for debug_help_string. */ - byte_count += strlen(client_title); - for (i = 0; i < cdm_element_count; i++) { - byte_count += strlen(cdm_array[i].keyword + 2); - if (byte_count >= DEBUG_HELP_STRING_SIZE) { - pr_info("%s: overflow 1!\n", __func__); - goto out; - } + strlcat(new, "\t", string_size); + strlcat(new, cdm_array[i].keyword, string_size); + strlcat(new, "\n", string_size); } - - gossip_debug(GOSSIP_UTILS_DEBUG, - "%s: cdm_element_count:%d:\n", - __func__, - cdm_element_count); } - byte_count += strlen(kernel_title); + strlcat(new, "\n", string_size); + strlcat(new, kernel_title, string_size); + for (i = 0; i < num_kmod_keyword_mask_map; i++) { - byte_count += - strlen(s_kmod_keyword_mask_map[i].keyword + 2); - if (byte_count >= DEBUG_HELP_STRING_SIZE) { - pr_info("%s: overflow 2!\n", __func__); - goto out; - } + strlcat(new, "\t", string_size); + strlcat(new, s_kmod_keyword_mask_map[i].keyword, string_size); + result_size = strlcat(new, "\n", string_size); } - /* build debug_help_string. */ - debug_help_string = kzalloc(DEBUG_HELP_STRING_SIZE, GFP_KERNEL); - if (!debug_help_string) { - rc = -ENOMEM; + /* See if we tried to put too many bytes into "new"... */ + if (result_size >= string_size) { + kfree(new); goto out; } - strcat(debug_help_string, client_title); - - if (!at_boot) { - for (i = 0; i < cdm_element_count; i++) { - strcat(debug_help_string, "\t"); - strcat(debug_help_string, cdm_array[i].keyword); - strcat(debug_help_string, "\n"); - } - } - - strcat(debug_help_string, "\n"); - strcat(debug_help_string, kernel_title); - - for (i = 0; i < num_kmod_keyword_mask_map; i++) { - strcat(debug_help_string, "\t"); - strcat(debug_help_string, s_kmod_keyword_mask_map[i].keyword); - strcat(debug_help_string, "\n"); + if (at_boot) { + debug_help_string = new; + } else { + mutex_lock(&orangefs_help_file_lock); + memset(debug_help_string, 0, DEBUG_HELP_STRING_SIZE); + strlcat(debug_help_string, new, string_size); + mutex_unlock(&orangefs_help_file_lock); } rc = 0; -out: - - return rc; +out: return rc; } @@ -959,8 +963,12 @@ int orangefs_debugfs_new_client_string(void __user *arg) ret = copy_from_user(&client_debug_array_string, (void __user *)arg, ORANGEFS_MAX_DEBUG_STRING_LEN); - if (ret != 0) + + if (ret != 0) { + pr_info("%s: CLIENT_STRING: copy_from_user failed\n", + __func__); return -EIO; + } /* * The real client-core makes an effort to ensure @@ -975,45 +983,18 @@ int orangefs_debugfs_new_client_string(void __user *arg) client_debug_array_string[ORANGEFS_MAX_DEBUG_STRING_LEN - 1] = '\0'; - if (ret != 0) { - pr_info("%s: CLIENT_STRING: copy_from_user failed\n", - __func__); - return -EIO; - } - pr_info("%s: client debug array string has been received.\n", __func__); if (!help_string_initialized) { - /* Free the "we don't know yet" default string... */ - kfree(debug_help_string); - - /* build a proper debug help string */ + /* Build a proper debug help string. */ if (orangefs_prepare_debugfs_help_string(0)) { gossip_err("%s: no debug help string \n", __func__); return -EIO; } - /* Replace the boilerplate boot-time debug-help file. */ - debugfs_remove(help_file_dentry); - - help_file_dentry = - debugfs_create_file( - ORANGEFS_KMOD_DEBUG_HELP_FILE, - 0444, - debug_dir, - debug_help_string, - &debug_help_fops); - - if (!help_file_dentry) { - gossip_err("%s: debugfs_create_file failed for" - " :%s:!\n", - __func__, - ORANGEFS_KMOD_DEBUG_HELP_FILE); - return -EIO; - } } debug_mask_to_string(&client_debug_mask, 1); diff --git a/fs/orangefs/orangefs-mod.c b/fs/orangefs/orangefs-mod.c index 2e5b030..4113eb0 100644 --- a/fs/orangefs/orangefs-mod.c +++ b/fs/orangefs/orangefs-mod.c @@ -124,7 +124,7 @@ static int __init orangefs_init(void) * unknown at boot time. * * orangefs_prepare_debugfs_help_string will be used again - * later to rebuild the debug-help file after the client starts + * later to rebuild the debug-help-string after the client starts * and passes along the needed info. The argument signifies * which time orangefs_prepare_debugfs_help_string is being * called. @@ -152,7 +152,9 @@ static int __init orangefs_init(void) ret = register_filesystem(&orangefs_fs_type); if (ret == 0) { - pr_info("orangefs: module version %s loaded\n", ORANGEFS_VERSION); + pr_info("%s: module version %s loaded\n", + __func__, + ORANGEFS_VERSION); ret = 0; goto out; } diff --git a/fs/splice.c b/fs/splice.c index 153d4f3..dcaf185 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -299,13 +299,8 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos, { struct iov_iter to; struct kiocb kiocb; - loff_t isize; int idx, ret; - isize = i_size_read(in->f_mapping->host); - if (unlikely(*ppos >= isize)) - return 0; - iov_iter_pipe(&to, ITER_PIPE | READ, pipe, len); idx = to.idx; init_sync_kiocb(&kiocb, in); diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index 613c5cf1..5c2929f 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -199,9 +199,9 @@ xfs_defer_intake_work( struct xfs_defer_pending *dfp; list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { - trace_xfs_defer_intake_work(tp->t_mountp, dfp); dfp->dfp_intent = dfp->dfp_type->create_intent(tp, dfp->dfp_count); + trace_xfs_defer_intake_work(tp->t_mountp, dfp); list_sort(tp->t_mountp, &dfp->dfp_work, dfp->dfp_type->diff_items); list_for_each(li, &dfp->dfp_work) @@ -221,21 +221,14 @@ xfs_defer_trans_abort( struct xfs_defer_pending *dfp; trace_xfs_defer_trans_abort(tp->t_mountp, dop); - /* - * If the transaction was committed, drop the intent reference - * since we're bailing out of here. The other reference is - * dropped when the intent hits the AIL. If the transaction - * was not committed, the intent is freed by the intent item - * unlock handler on abort. - */ - if (!dop->dop_committed) - return; - /* Abort intent items. */ + /* Abort intent items that don't have a done item. */ list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { trace_xfs_defer_pending_abort(tp->t_mountp, dfp); - if (!dfp->dfp_done) + if (dfp->dfp_intent && !dfp->dfp_done) { dfp->dfp_type->abort_intent(dfp->dfp_intent); + dfp->dfp_intent = NULL; + } } /* Shut down FS. */ diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 40e8870..0504ef8 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -118,9 +118,9 @@ do { \ #define this_cpu_generic_read(pcp) \ ({ \ typeof(pcp) __ret; \ - preempt_disable(); \ + preempt_disable_notrace(); \ __ret = raw_cpu_generic_read(pcp); \ - preempt_enable(); \ + preempt_enable_notrace(); \ __ret; \ }) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index af0254c..4df64a1 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -14,6 +14,8 @@ * [_sdata, _edata]: contains .data.* sections, may also contain .rodata.* * and/or .init.* sections. * [__start_rodata, __end_rodata]: contains .rodata.* sections + * [__start_data_ro_after_init, __end_data_ro_after_init]: + * contains data.ro_after_init section * [__init_begin, __init_end]: contains .init.* sections, but .init.text.* * may be out of this range on some architectures. * [_sinittext, _einittext]: contains .init.text.* sections @@ -31,6 +33,7 @@ extern char _data[], _sdata[], _edata[]; extern char __bss_start[], __bss_stop[]; extern char __init_begin[], __init_end[]; extern char _sinittext[], _einittext[]; +extern char __start_data_ro_after_init[], __end_data_ro_after_init[]; extern char _end[]; extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 3074796..31e1d63 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -259,7 +259,10 @@ * own by defining an empty RO_AFTER_INIT_DATA. */ #ifndef RO_AFTER_INIT_DATA -#define RO_AFTER_INIT_DATA *(.data..ro_after_init) +#define RO_AFTER_INIT_DATA \ + __start_data_ro_after_init = .; \ + *(.data..ro_after_init) \ + __end_data_ro_after_init = .; #endif /* diff --git a/include/drm/drmP.h b/include/drm/drmP.h index b352a7b..a9cfd33 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -779,7 +779,6 @@ extern void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah); extern void drm_sysfs_hotplug_event(struct drm_device *dev); - /*@}*/ /* PCI section */ diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index aad8bba..6e232e7 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -427,4 +427,7 @@ void drm_dev_unref(struct drm_device *dev); void drm_put_dev(struct drm_device *dev); void drm_unplug_dev(struct drm_device *dev); +int drm_dev_set_unique(struct drm_device *dev, const char *name); + + #endif diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 689a8b9..61a3d90 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -555,7 +555,8 @@ int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); int acpi_device_modalias(struct device *, char *, int); void acpi_walk_dep_device_list(acpi_handle handle); -struct platform_device *acpi_create_platform_device(struct acpi_device *); +struct platform_device *acpi_create_platform_device(struct acpi_device *, + struct property_entry *); #define ACPI_PTR(_ptr) (_ptr) static inline void acpi_device_set_enumerated(struct acpi_device *adev) diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 96337b1..a8e6634 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -258,6 +258,8 @@ struct ceph_watch_item { struct ceph_entity_addr addr; }; +#define CEPH_LINGER_ID_START 0xffff000000000000ULL + struct ceph_osd_client { struct ceph_client *client; diff --git a/include/linux/console.h b/include/linux/console.h index 3672809..d530c46 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -173,12 +173,6 @@ static inline void console_sysfs_notify(void) #endif extern bool console_suspend_enabled; -#ifdef CONFIG_OF -extern void console_set_by_of(void); -#else -static inline void console_set_by_of(void) {} -#endif - /* Suspend and resume console messages over PM events */ extern void suspend_console(void); extern void resume_console(void); diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h index c46d2aa..1d18af0 100644 --- a/include/linux/frontswap.h +++ b/include/linux/frontswap.h @@ -106,8 +106,9 @@ static inline void frontswap_invalidate_area(unsigned type) static inline void frontswap_init(unsigned type, unsigned long *map) { - if (frontswap_enabled()) - __frontswap_init(type, map); +#ifdef CONFIG_FRONTSWAP + __frontswap_init(type, map); +#endif } #endif /* _LINUX_FRONTSWAP_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 16d2b6e..dc0478c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -321,6 +321,7 @@ struct writeback_control; #define IOCB_HIPRI (1 << 3) #define IOCB_DSYNC (1 << 4) #define IOCB_SYNC (1 << 5) +#define IOCB_WRITE (1 << 6) struct kiocb { struct file *ki_filp; @@ -1709,7 +1710,6 @@ struct file_operations { int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t, loff_t, int datasync); - int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index ee1bed7..78bb0d7 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -253,6 +253,13 @@ static inline int phy_set_mode(struct phy *phy, enum phy_mode mode) return -ENOSYS; } +static inline int phy_reset(struct phy *phy) +{ + if (!phy) + return 0; + return -ENOSYS; +} + static inline int phy_get_bus_width(struct phy *phy) { return -ENOSYS; diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h index 33d00a4..819d895 100644 --- a/include/uapi/sound/asoc.h +++ b/include/uapi/sound/asoc.h @@ -18,12 +18,6 @@ #include <linux/types.h> #include <sound/asound.h> -#ifndef __KERNEL__ -#error This API is an early revision and not enabled in the current -#error kernel release, it will be enabled in a future kernel version -#error with incompatible changes to what is here. -#endif - /* * Maximum number of channels topology kcontrol can represent. */ diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 084452e..bdff5ed 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -203,8 +203,10 @@ static int __init test_suspend(void) /* RTCs have initialized by now too ... can we use one? */ dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm); - if (dev) + if (dev) { rtc = rtc_class_open(dev_name(dev)); + put_device(dev); + } if (!rtc) { printk(warn_no_rtc); return 0; diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index de08fc9..5028f4f 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -253,17 +253,6 @@ static int preferred_console = -1; int console_set_on_cmdline; EXPORT_SYMBOL(console_set_on_cmdline); -#ifdef CONFIG_OF -static bool of_specified_console; - -void console_set_by_of(void) -{ - of_specified_console = true; -} -#else -# define of_specified_console false -#endif - /* Flag: console code may call schedule() */ static int console_may_schedule; @@ -2657,7 +2646,7 @@ void register_console(struct console *newcon) * didn't select a console we take the first one * that registers here. */ - if (preferred_console < 0 && !of_specified_console) { + if (preferred_console < 0) { if (newcon->index < 0) newcon->index = 0; if (newcon->setup == NULL || diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 4d830e2..f87d138 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -192,6 +192,7 @@ void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace) trace->entries = stack->entries; trace->skip = 0; } +EXPORT_SYMBOL_GPL(depot_fetch_stack); /** * depot_save_stack - save stack in a stack depot. @@ -283,3 +284,4 @@ exit: fast_exit: return retval; } +EXPORT_SYMBOL_GPL(depot_save_stack); @@ -385,6 +385,9 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align) bitmap_maxno = cma_bitmap_maxno(cma); bitmap_count = cma_bitmap_pages_to_bits(cma, count); + if (bitmap_count > bitmap_maxno) + return NULL; + for (;;) { mutex_lock(&cma->lock); bitmap_no = bitmap_find_next_zero_area_off(cma->bitmap, diff --git a/mm/filemap.c b/mm/filemap.c index c7fe2f1..50b52fe 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1732,6 +1732,9 @@ find_page: if (inode->i_blkbits == PAGE_SHIFT || !mapping->a_ops->is_partially_uptodate) goto page_not_up_to_date; + /* pipes can't handle partially uptodate pages */ + if (unlikely(iter->type & ITER_PIPE)) + goto page_not_up_to_date; if (!trylock_page(page)) goto page_not_up_to_date; /* Did it get truncated before we got the lock? */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index ec49d9e..418bf01 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1826,11 +1826,17 @@ static void return_unused_surplus_pages(struct hstate *h, * is not the case is if a reserve map was changed between calls. It * is the responsibility of the caller to notice the difference and * take appropriate action. + * + * vma_add_reservation is used in error paths where a reservation must + * be restored when a newly allocated huge page must be freed. It is + * to be called after calling vma_needs_reservation to determine if a + * reservation exists. */ enum vma_resv_mode { VMA_NEEDS_RESV, VMA_COMMIT_RESV, VMA_END_RESV, + VMA_ADD_RESV, }; static long __vma_reservation_common(struct hstate *h, struct vm_area_struct *vma, unsigned long addr, @@ -1856,6 +1862,14 @@ static long __vma_reservation_common(struct hstate *h, region_abort(resv, idx, idx + 1); ret = 0; break; + case VMA_ADD_RESV: + if (vma->vm_flags & VM_MAYSHARE) + ret = region_add(resv, idx, idx + 1); + else { + region_abort(resv, idx, idx + 1); + ret = region_del(resv, idx, idx + 1); + } + break; default: BUG(); } @@ -1903,6 +1917,56 @@ static void vma_end_reservation(struct hstate *h, (void)__vma_reservation_common(h, vma, addr, VMA_END_RESV); } +static long vma_add_reservation(struct hstate *h, + struct vm_area_struct *vma, unsigned long addr) +{ + return __vma_reservation_common(h, vma, addr, VMA_ADD_RESV); +} + +/* + * This routine is called to restore a reservation on error paths. In the + * specific error paths, a huge page was allocated (via alloc_huge_page) + * and is about to be freed. If a reservation for the page existed, + * alloc_huge_page would have consumed the reservation and set PagePrivate + * in the newly allocated page. When the page is freed via free_huge_page, + * the global reservation count will be incremented if PagePrivate is set. + * However, free_huge_page can not adjust the reserve map. Adjust the + * reserve map here to be consistent with global reserve count adjustments + * to be made by free_huge_page. + */ +static void restore_reserve_on_error(struct hstate *h, + struct vm_area_struct *vma, unsigned long address, + struct page *page) +{ + if (unlikely(PagePrivate(page))) { + long rc = vma_needs_reservation(h, vma, address); + + if (unlikely(rc < 0)) { + /* + * Rare out of memory condition in reserve map + * manipulation. Clear PagePrivate so that + * global reserve count will not be incremented + * by free_huge_page. This will make it appear + * as though the reservation for this page was + * consumed. This may prevent the task from + * faulting in the page at a later time. This + * is better than inconsistent global huge page + * accounting of reserve counts. + */ + ClearPagePrivate(page); + } else if (rc) { + rc = vma_add_reservation(h, vma, address); + if (unlikely(rc < 0)) + /* + * See above comment about rare out of + * memory condition. + */ + ClearPagePrivate(page); + } else + vma_end_reservation(h, vma, address); + } +} + struct page *alloc_huge_page(struct vm_area_struct *vma, unsigned long addr, int avoid_reserve) { @@ -3498,6 +3562,7 @@ retry_avoidcopy: spin_unlock(ptl); mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end); out_release_all: + restore_reserve_on_error(h, vma, address, new_page); put_page(new_page); out_release_old: put_page(old_page); @@ -3680,6 +3745,7 @@ backout: spin_unlock(ptl); backout_unlocked: unlock_page(page); + restore_reserve_on_error(h, vma, address, page); put_page(page); goto out; } diff --git a/mm/kmemleak.c b/mm/kmemleak.c index e5355a5..d1380ed 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1414,6 +1414,7 @@ static void kmemleak_scan(void) /* data/bss scanning */ scan_large_block(_sdata, _edata); scan_large_block(__bss_start, __bss_stop); + scan_large_block(__start_data_ro_after_init, __end_data_ro_after_init); #ifdef CONFIG_SMP /* per-cpu sections scanning */ diff --git a/mm/memory-failure.c b/mm/memory-failure.c index de88f33..19e796d 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1112,10 +1112,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags) } if (!PageHuge(p) && PageTransHuge(hpage)) { - lock_page(hpage); - if (!PageAnon(hpage) || unlikely(split_huge_page(hpage))) { - unlock_page(hpage); - if (!PageAnon(hpage)) + lock_page(p); + if (!PageAnon(p) || unlikely(split_huge_page(p))) { + unlock_page(p); + if (!PageAnon(p)) pr_err("Memory failure: %#lx: non anonymous thp\n", pfn); else @@ -1126,9 +1126,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) put_hwpoison_page(p); return -EBUSY; } - unlock_page(hpage); - get_hwpoison_page(p); - put_hwpoison_page(hpage); + unlock_page(p); VM_BUG_ON_PAGE(!page_count(p), p); hpage = compound_head(p); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 072d791..6de9440 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3658,7 +3658,7 @@ retry: /* Make sure we know about allocations which stall for too long */ if (time_after(jiffies, alloc_start + stall_timeout)) { warn_alloc(gfp_mask, - "page alloction stalls for %ums, order:%u\n", + "page allocation stalls for %ums, order:%u", jiffies_to_msecs(jiffies-alloc_start), order); stall_timeout += 10 * HZ; } @@ -1483,6 +1483,8 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, copy_highpage(newpage, oldpage); flush_dcache_page(newpage); + __SetPageLocked(newpage); + __SetPageSwapBacked(newpage); SetPageUptodate(newpage); set_page_private(newpage, swap_index); SetPageSwapCache(newpage); diff --git a/mm/slab_common.c b/mm/slab_common.c index 71f0b28..329b038 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -533,8 +533,8 @@ void memcg_create_kmem_cache(struct mem_cgroup *memcg, s = create_cache(cache_name, root_cache->object_size, root_cache->size, root_cache->align, - root_cache->flags, root_cache->ctor, - memcg, root_cache); + root_cache->flags & CACHE_CREATE_MASK, + root_cache->ctor, memcg, root_cache); /* * If we could not create a memcg cache, do not complain, because * that's not critical at all as we can always proceed with the root diff --git a/mm/swapfile.c b/mm/swapfile.c index 2210de2..f304389 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2224,6 +2224,8 @@ static unsigned long read_swap_header(struct swap_info_struct *p, swab32s(&swap_header->info.version); swab32s(&swap_header->info.last_page); swab32s(&swap_header->info.nr_badpages); + if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES) + return 0; for (i = 0; i < swap_header->info.nr_badpages; i++) swab32s(&swap_header->info.badpages[i]); } diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c index 7d54e94..dcbe67f 100644 --- a/net/ceph/ceph_fs.c +++ b/net/ceph/ceph_fs.c @@ -34,7 +34,8 @@ void ceph_file_layout_from_legacy(struct ceph_file_layout *fl, fl->stripe_count = le32_to_cpu(legacy->fl_stripe_count); fl->object_size = le32_to_cpu(legacy->fl_object_size); fl->pool_id = le32_to_cpu(legacy->fl_pg_pool); - if (fl->pool_id == 0) + if (fl->pool_id == 0 && fl->stripe_unit == 0 && + fl->stripe_count == 0 && fl->object_size == 0) fl->pool_id = -1; } EXPORT_SYMBOL(ceph_file_layout_from_legacy); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index d9bf7a1..e6ae15b 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -4094,6 +4094,7 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client) osd_init(&osdc->homeless_osd); osdc->homeless_osd.o_osdc = osdc; osdc->homeless_osd.o_osd = CEPH_HOMELESS_OSD; + osdc->last_linger_id = CEPH_LINGER_ID_START; osdc->linger_requests = RB_ROOT; osdc->map_checks = RB_ROOT; osdc->linger_map_checks = RB_ROOT; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 34dd7b2..62a4827 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2753,14 +2753,18 @@ EXPORT_SYMBOL_GPL(rpc_cap_max_reconnect_timeout); void rpc_clnt_xprt_switch_put(struct rpc_clnt *clnt) { + rcu_read_lock(); xprt_switch_put(rcu_dereference(clnt->cl_xpi.xpi_xpswitch)); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_put); void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *clnt, struct rpc_xprt *xprt) { + rcu_read_lock(); rpc_xprt_switch_add_xprt(rcu_dereference(clnt->cl_xpi.xpi_xpswitch), xprt); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_add_xprt); @@ -2770,9 +2774,8 @@ bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt, struct rpc_xprt_switch *xps; bool ret; - xps = rcu_dereference(clnt->cl_xpi.xpi_xpswitch); - rcu_read_lock(); + xps = rcu_dereference(clnt->cl_xpi.xpi_xpswitch); ret = rpc_xprt_switch_has_addr(xps, sap); rcu_read_unlock(); return ret; diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 2109495..26b26be 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -44,18 +44,20 @@ * being done. * * When the underlying transport disconnects, MRs are left in one of - * three states: + * four states: * * INVALID: The MR was not in use before the QP entered ERROR state. - * (Or, the LOCAL_INV WR has not completed or flushed yet). - * - * STALE: The MR was being registered or unregistered when the QP - * entered ERROR state, and the pending WR was flushed. * * VALID: The MR was registered before the QP entered ERROR state. * - * When frwr_op_map encounters STALE and VALID MRs, they are recovered - * with ib_dereg_mr and then are re-initialized. Beause MR recovery + * FLUSHED_FR: The MR was being registered when the QP entered ERROR + * state, and the pending WR was flushed. + * + * FLUSHED_LI: The MR was being invalidated when the QP entered ERROR + * state, and the pending WR was flushed. + * + * When frwr_op_map encounters FLUSHED and VALID MRs, they are recovered + * with ib_dereg_mr and then are re-initialized. Because MR recovery * allocates fresh resources, it is deferred to a workqueue, and the * recovered MRs are placed back on the rb_mws list when recovery is * complete. frwr_op_map allocates another MR for the current RPC while @@ -177,12 +179,15 @@ __frwr_reset_mr(struct rpcrdma_ia *ia, struct rpcrdma_mw *r) static void frwr_op_recover_mr(struct rpcrdma_mw *mw) { + enum rpcrdma_frmr_state state = mw->frmr.fr_state; struct rpcrdma_xprt *r_xprt = mw->mw_xprt; struct rpcrdma_ia *ia = &r_xprt->rx_ia; int rc; rc = __frwr_reset_mr(ia, mw); - ib_dma_unmap_sg(ia->ri_device, mw->mw_sg, mw->mw_nents, mw->mw_dir); + if (state != FRMR_FLUSHED_LI) + ib_dma_unmap_sg(ia->ri_device, + mw->mw_sg, mw->mw_nents, mw->mw_dir); if (rc) goto out_release; @@ -262,10 +267,8 @@ frwr_op_maxpages(struct rpcrdma_xprt *r_xprt) } static void -__frwr_sendcompletion_flush(struct ib_wc *wc, struct rpcrdma_frmr *frmr, - const char *wr) +__frwr_sendcompletion_flush(struct ib_wc *wc, const char *wr) { - frmr->fr_state = FRMR_IS_STALE; if (wc->status != IB_WC_WR_FLUSH_ERR) pr_err("rpcrdma: %s: %s (%u/0x%x)\n", wr, ib_wc_status_msg(wc->status), @@ -288,7 +291,8 @@ frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc) if (wc->status != IB_WC_SUCCESS) { cqe = wc->wr_cqe; frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe); - __frwr_sendcompletion_flush(wc, frmr, "fastreg"); + frmr->fr_state = FRMR_FLUSHED_FR; + __frwr_sendcompletion_flush(wc, "fastreg"); } } @@ -308,7 +312,8 @@ frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc) if (wc->status != IB_WC_SUCCESS) { cqe = wc->wr_cqe; frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe); - __frwr_sendcompletion_flush(wc, frmr, "localinv"); + frmr->fr_state = FRMR_FLUSHED_LI; + __frwr_sendcompletion_flush(wc, "localinv"); } } @@ -328,8 +333,10 @@ frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc) /* WARNING: Only wr_cqe and status are reliable at this point */ cqe = wc->wr_cqe; frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe); - if (wc->status != IB_WC_SUCCESS) - __frwr_sendcompletion_flush(wc, frmr, "localinv"); + if (wc->status != IB_WC_SUCCESS) { + frmr->fr_state = FRMR_FLUSHED_LI; + __frwr_sendcompletion_flush(wc, "localinv"); + } complete(&frmr->fr_linv_done); } diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 0d35b76..6e1bba3 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -216,7 +216,8 @@ struct rpcrdma_rep { enum rpcrdma_frmr_state { FRMR_IS_INVALID, /* ready to be used */ FRMR_IS_VALID, /* in use */ - FRMR_IS_STALE, /* failed completion */ + FRMR_FLUSHED_FR, /* flushed FASTREG WR */ + FRMR_FLUSHED_LI, /* flushed LOCALINV WR */ }; struct rpcrdma_frmr { diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 53449a6..7c321a6 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -36,6 +36,7 @@ warning-2 += -Wshadow warning-2 += $(call cc-option, -Wlogical-op) warning-2 += $(call cc-option, -Wmissing-field-initializers) warning-2 += $(call cc-option, -Wsign-compare) +warning-2 += $(call cc-option, -Wmaybe-uninitialized) warning-3 := -Wbad-function-cast warning-3 += -Wcast-qual diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index dd779c4..3b1b138 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -17,4 +17,8 @@ endif ifdef CONFIG_UBSAN_NULL CFLAGS_UBSAN += $(call cc-option, -fsanitize=null) endif + + # -fsanitize=* options makes GCC less smart than usual and + # increase number of 'maybe-uninitialized false-positives + CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized) endif diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter index 19f5adf..d9ff038 100755 --- a/scripts/bloat-o-meter +++ b/scripts/bloat-o-meter @@ -8,6 +8,9 @@ # of the GNU General Public License, incorporated herein by reference. import sys, os, re +from signal import signal, SIGPIPE, SIG_DFL + +signal(SIGPIPE, SIG_DFL) if len(sys.argv) != 3: sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0]) diff --git a/sound/core/info.c b/sound/core/info.c index 895362a..8ab72e0 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -325,10 +325,15 @@ static ssize_t snd_info_text_entry_write(struct file *file, size_t next; int err = 0; + if (!entry->c.text.write) + return -EIO; pos = *offset; if (!valid_pos(pos, count)) return -EIO; next = pos + count; + /* don't handle too large text inputs */ + if (next > 16 * 1024) + return -EIO; mutex_lock(&entry->access); buf = data->wbuffer; if (!buf) { @@ -366,7 +371,9 @@ static int snd_info_seq_show(struct seq_file *seq, void *p) struct snd_info_private_data *data = seq->private; struct snd_info_entry *entry = data->entry; - if (entry->c.text.read) { + if (!entry->c.text.read) { + return -EIO; + } else { data->rbuffer->buffer = (char *)seq; /* XXX hack! */ entry->c.text.read(entry, data->rbuffer); } diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 18baea2..84f8674 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -148,11 +148,11 @@ SND_SOC_DAPM_OUTPUT("AOUTR"), }; static const struct snd_soc_dapm_route cs4270_dapm_routes[] = { - { "Capture", NULL, "AINA" }, - { "Capture", NULL, "AINB" }, + { "Capture", NULL, "AINL" }, + { "Capture", NULL, "AINR" }, - { "AOUTA", NULL, "Playback" }, - { "AOUTB", NULL, "Playback" }, + { "AOUTL", NULL, "Playback" }, + { "AOUTR", NULL, "Playback" }, }; /** diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index 1152aa5..cf37936 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -880,7 +880,8 @@ static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = { SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), /* DAI */ - SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL, + DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT), SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0), /* Output Muxes */ diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index b904492..90b5948 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -364,7 +364,12 @@ static int hdmi_of_xlate_dai_name(struct snd_soc_component *component, struct of_phandle_args *args, const char **dai_name) { - int id = args->args[0]; + int id; + + if (args->args_count) + id = args->args[0]; + else + id = 0; if (id < ARRAY_SIZE(hdmi_dai_name)) { *dai_name = hdmi_dai_name[id]; diff --git a/sound/soc/codecs/rt298.c b/sound/soc/codecs/rt298.c index 5555864..2db8179 100644 --- a/sound/soc/codecs/rt298.c +++ b/sound/soc/codecs/rt298.c @@ -249,6 +249,11 @@ static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic) snd_soc_dapm_force_enable_pin(dapm, "LDO1"); snd_soc_dapm_sync(dapm); + regmap_update_bits(rt298->regmap, + RT298_POWER_CTRL1, 0x1001, 0); + regmap_update_bits(rt298->regmap, + RT298_POWER_CTRL2, 0x4, 0x4); + regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24); msleep(50); diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index 01a18d8..00ff278 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -1547,11 +1547,11 @@ static int rt5663_jack_detect(struct snd_soc_codec *codec, int jack_insert) msleep(sleep_time[i]); val = snd_soc_read(codec, RT5663_EM_JACK_TYPE_2) & 0x0003; + dev_dbg(codec->dev, "%s: MX-00e7 val=%x sleep %d\n", + __func__, val, sleep_time[i]); i++; if (val == 0x1 || val == 0x2 || val == 0x3) break; - dev_dbg(codec->dev, "%s: MX-00e7 val=%x sleep %d\n", - __func__, val, sleep_time[i]); } dev_dbg(codec->dev, "%s val = %d\n", __func__, val); switch (val) { diff --git a/sound/soc/codecs/sti-sas.c b/sound/soc/codecs/sti-sas.c index 7b31ee9..d6e00c7 100644 --- a/sound/soc/codecs/sti-sas.c +++ b/sound/soc/codecs/sti-sas.c @@ -424,7 +424,7 @@ static const struct snd_soc_dai_ops stih407_dac_ops = { static const struct regmap_config stih407_sas_regmap = { .reg_bits = 32, .val_bits = 32, - + .fast_io = true, .max_register = STIH407_AUDIO_DAC_CTRL, .reg_defaults = stih407_sas_reg_defaults, .num_reg_defaults = ARRAY_SIZE(stih407_sas_reg_defaults), diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c index df5e5cb..810369f 100644 --- a/sound/soc/codecs/tas571x.c +++ b/sound/soc/codecs/tas571x.c @@ -341,20 +341,9 @@ static int tas571x_set_bias_level(struct snd_soc_codec *codec, return ret; } } - - gpiod_set_value(priv->pdn_gpio, 0); - usleep_range(5000, 6000); - - regcache_cache_only(priv->regmap, false); - ret = regcache_sync(priv->regmap); - if (ret) - return ret; } break; case SND_SOC_BIAS_OFF: - regcache_cache_only(priv->regmap, true); - gpiod_set_value(priv->pdn_gpio, 1); - if (!IS_ERR(priv->mclk)) clk_disable_unprepare(priv->mclk); break; @@ -401,16 +390,6 @@ static const struct snd_kcontrol_new tas5711_controls[] = { TAS571X_SOFT_MUTE_REG, TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 1, 1), - - SOC_DOUBLE_R_RANGE("CH1 Mixer Volume", - TAS5717_CH1_LEFT_CH_MIX_REG, - TAS5717_CH1_RIGHT_CH_MIX_REG, - 16, 0, 0x80, 0), - - SOC_DOUBLE_R_RANGE("CH2 Mixer Volume", - TAS5717_CH2_LEFT_CH_MIX_REG, - TAS5717_CH2_RIGHT_CH_MIX_REG, - 16, 0, 0x80, 0), }; static const struct regmap_range tas571x_readonly_regs_range[] = { @@ -488,6 +467,16 @@ static const struct snd_kcontrol_new tas5717_controls[] = { TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 1, 1), + SOC_DOUBLE_R_RANGE("CH1 Mixer Volume", + TAS5717_CH1_LEFT_CH_MIX_REG, + TAS5717_CH1_RIGHT_CH_MIX_REG, + 16, 0, 0x80, 0), + + SOC_DOUBLE_R_RANGE("CH2 Mixer Volume", + TAS5717_CH2_LEFT_CH_MIX_REG, + TAS5717_CH2_RIGHT_CH_MIX_REG, + 16, 0, 0x80, 0), + /* * The biquads are named according to the register names. * Please note that TI's TAS57xx Graphical Development Environment @@ -747,13 +736,14 @@ static int tas571x_i2c_probe(struct i2c_client *client, /* pulse the active low reset line for ~100us */ usleep_range(100, 200); gpiod_set_value(priv->reset_gpio, 0); - usleep_range(12000, 20000); + usleep_range(13500, 20000); } ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0); if (ret) return ret; + usleep_range(50000, 60000); memcpy(&priv->codec_driver, &tas571x_codec, sizeof(priv->codec_driver)); priv->codec_driver.component_driver.controls = priv->chip->controls; @@ -770,9 +760,6 @@ static int tas571x_i2c_probe(struct i2c_client *client, return ret; } - regcache_cache_only(priv->regmap, true); - gpiod_set_value(priv->pdn_gpio, 1); - return snd_soc_register_codec(&client->dev, &priv->codec_driver, &tas571x_dai, 1); } diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 26eb5a0..fd5d1e0 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -47,6 +47,7 @@ config SND_SOC_INTEL_SST_MATCH config SND_SOC_INTEL_HASWELL tristate + select SND_SOC_INTEL_SST_FIRMWARE config SND_SOC_INTEL_BAYTRAIL tristate @@ -56,7 +57,6 @@ config SND_SOC_INTEL_HASWELL_MACH depends on X86_INTEL_LPSS && I2C && I2C_DESIGNWARE_PLATFORM depends on DW_DMAC_CORE select SND_SOC_INTEL_SST - select SND_SOC_INTEL_SST_FIRMWARE select SND_SOC_INTEL_HASWELL select SND_SOC_RT5640 help @@ -138,7 +138,6 @@ config SND_SOC_INTEL_BROADWELL_MACH I2C_DESIGNWARE_PLATFORM depends on DW_DMAC_CORE select SND_SOC_INTEL_SST - select SND_SOC_INTEL_SST_FIRMWARE select SND_SOC_INTEL_HASWELL select SND_SOC_RT286 help diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index ba5c0d7..0a88537 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -416,6 +416,7 @@ static const struct dmi_system_id cht_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"), }, }, + { } }; diff --git a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c index 6532b8f..865a21e 100644 --- a/sound/soc/intel/boards/bxt_da7219_max98357a.c +++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c @@ -130,8 +130,8 @@ static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) */ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | - SND_JACK_BTN_2 | SND_JACK_BTN_3, &broxton_headset, - NULL, 0); + SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, + &broxton_headset, NULL, 0); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 2989c16..06fa5e8 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -674,7 +674,7 @@ static int skl_probe(struct pci_dev *pci, if (skl->nhlt == NULL) { err = -ENODEV; - goto out_free; + goto out_display_power_off; } skl_nhlt_update_topology_bin(skl); @@ -746,6 +746,9 @@ out_mach_free: skl_machine_device_unregister(skl); out_nhlt_free: skl_nhlt_free(skl->nhlt); +out_display_power_off: + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) + snd_hdac_display_power(bus, false); out_free: skl->init_failed = 1; skl_free(ebus); @@ -785,8 +788,7 @@ static void skl_remove(struct pci_dev *pci) release_firmware(skl->tplg); - if (pci_dev_run_wake(pci)) - pm_runtime_get_noresume(&pci->dev); + pm_runtime_get_noresume(&pci->dev); /* codec removal, invoke bus_device_remove */ snd_hdac_ext_bus_device_remove(ebus); diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig index f2bf866..823b5a2 100644 --- a/sound/soc/pxa/Kconfig +++ b/sound/soc/pxa/Kconfig @@ -208,7 +208,7 @@ config SND_PXA2XX_SOC_IMOTE2 config SND_MMP_SOC_BROWNSTONE tristate "SoC Audio support for Marvell Brownstone" - depends on SND_MMP_SOC && MACH_BROWNSTONE + depends on SND_MMP_SOC && MACH_BROWNSTONE && I2C select SND_MMP_SOC_SSPA select MFD_WM8994 select SND_SOC_WM8994 diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 3cde9fb..eff3f9a 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -586,3 +586,6 @@ int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev) return 0; } EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove); + +MODULE_DESCRIPTION("QTi LPASS CPU Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index e2ff538..07000f5 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -61,7 +61,40 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - int ret; + struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; + struct lpass_data *drvdata = + snd_soc_platform_get_drvdata(soc_runtime->platform); + struct lpass_variant *v = drvdata->variant; + int ret, dma_ch, dir = substream->stream; + struct lpass_pcm_data *data; + + data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->i2s_port = cpu_dai->driver->id; + runtime->private_data = data; + + if (v->alloc_dma_channel) + dma_ch = v->alloc_dma_channel(drvdata, dir); + if (dma_ch < 0) + return dma_ch; + + drvdata->substream[dma_ch] = substream; + + ret = regmap_write(drvdata->lpaif_map, + LPAIF_DMACTL_REG(v, dma_ch, dir), 0); + if (ret) { + dev_err(soc_runtime->dev, + "%s() error writing to rdmactl reg: %d\n", + __func__, ret); + return ret; + } + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + data->rdma_ch = dma_ch; + else + data->wrdma_ch = dma_ch; snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware); @@ -80,13 +113,40 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream) return 0; } +static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; + struct lpass_data *drvdata = + snd_soc_platform_get_drvdata(soc_runtime->platform); + struct lpass_variant *v = drvdata->variant; + struct lpass_pcm_data *data; + int dma_ch, dir = substream->stream; + + data = runtime->private_data; + v = drvdata->variant; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + dma_ch = data->rdma_ch; + else + dma_ch = data->wrdma_ch; + + drvdata->substream[dma_ch] = NULL; + + if (v->free_dma_channel) + v->free_dma_channel(drvdata, dma_ch); + + return 0; +} + static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; snd_pcm_format_t format = params_format(params); unsigned int channels = params_channels(params); @@ -179,7 +239,8 @@ static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; unsigned int reg; int ret; @@ -203,7 +264,8 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; int ret, ch, dir = substream->stream; @@ -257,7 +319,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; int ret, ch, dir = substream->stream; @@ -333,7 +396,8 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; unsigned int base_addr, curr_addr; int ret, ch, dir = substream->stream; @@ -374,6 +438,7 @@ static int lpass_platform_pcmops_mmap(struct snd_pcm_substream *substream, static const struct snd_pcm_ops lpass_platform_pcm_ops = { .open = lpass_platform_pcmops_open, + .close = lpass_platform_pcmops_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = lpass_platform_pcmops_hw_params, .hw_free = lpass_platform_pcmops_hw_free, @@ -470,117 +535,45 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime) { struct snd_pcm *pcm = soc_runtime->pcm; struct snd_pcm_substream *psubstream, *csubstream; - struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; - struct lpass_data *drvdata = - snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_variant *v = drvdata->variant; int ret = -EINVAL; - struct lpass_pcm_data *data; size_t size = lpass_platform_pcm_hardware.buffer_bytes_max; - data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - data->i2s_port = cpu_dai->driver->id; - drvdata->private_data = data; - psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; if (psubstream) { - if (v->alloc_dma_channel) - data->rdma_ch = v->alloc_dma_channel(drvdata, - SNDRV_PCM_STREAM_PLAYBACK); - - if (data->rdma_ch < 0) - return data->rdma_ch; - - drvdata->substream[data->rdma_ch] = psubstream; - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, soc_runtime->platform->dev, size, &psubstream->dma_buffer); - if (ret) - goto playback_alloc_err; - - ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, data->rdma_ch), 0); if (ret) { - dev_err(soc_runtime->dev, - "%s() error writing to rdmactl reg: %d\n", - __func__, ret); - goto capture_alloc_err; + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + return ret; } } csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; if (csubstream) { - if (v->alloc_dma_channel) - data->wrdma_ch = v->alloc_dma_channel(drvdata, - SNDRV_PCM_STREAM_CAPTURE); - - if (data->wrdma_ch < 0) { - ret = data->wrdma_ch; - goto capture_alloc_err; - } - - drvdata->substream[data->wrdma_ch] = csubstream; - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, soc_runtime->platform->dev, size, &csubstream->dma_buffer); - if (ret) - goto capture_alloc_err; - - ret = regmap_write(drvdata->lpaif_map, - LPAIF_WRDMACTL_REG(v, data->wrdma_ch), 0); if (ret) { - dev_err(soc_runtime->dev, - "%s() error writing to wrdmactl reg: %d\n", - __func__, ret); - goto capture_reg_err; + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + if (psubstream) + snd_dma_free_pages(&psubstream->dma_buffer); + return ret; } + } return 0; - -capture_reg_err: - if (csubstream) - snd_dma_free_pages(&csubstream->dma_buffer); - -capture_alloc_err: - if (psubstream) - snd_dma_free_pages(&psubstream->dma_buffer); - - playback_alloc_err: - dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); - - return ret; } static void lpass_platform_pcm_free(struct snd_pcm *pcm) { - struct snd_soc_pcm_runtime *rt; - struct lpass_data *drvdata; - struct lpass_pcm_data *data; - struct lpass_variant *v; struct snd_pcm_substream *substream; - int ch, i; + int i; for (i = 0; i < ARRAY_SIZE(pcm->streams); i++) { substream = pcm->streams[i].substream; if (substream) { - rt = substream->private_data; - drvdata = snd_soc_platform_get_drvdata(rt->platform); - data = drvdata->private_data; - - ch = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - ? data->rdma_ch - : data->wrdma_ch; - v = drvdata->variant; - drvdata->substream[ch] = NULL; - if (v->free_dma_channel) - v->free_dma_channel(drvdata, ch); - snd_dma_free_pages(&substream->dma_buffer); substream->dma_buffer.area = NULL; substream->dma_buffer.addr = 0; diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 35b3cea..924971b 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -59,7 +59,6 @@ struct lpass_data { struct clk *pcnoc_mport_clk; struct clk *pcnoc_sway_clk; - void *private_data; }; /* Vairant data per each SOC */ diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c index 97d6700..cbc0023 100644 --- a/sound/soc/samsung/ac97.c +++ b/sound/soc/samsung/ac97.c @@ -383,11 +383,6 @@ static int s3c_ac97_probe(struct platform_device *pdev) goto err4; } - ret = devm_snd_soc_register_component(&pdev->dev, &s3c_ac97_component, - s3c_ac97_dai, ARRAY_SIZE(s3c_ac97_dai)); - if (ret) - goto err5; - ret = samsung_asoc_dma_platform_register(&pdev->dev, ac97_pdata->dma_filter, NULL, NULL); @@ -396,6 +391,11 @@ static int s3c_ac97_probe(struct platform_device *pdev) goto err5; } + ret = devm_snd_soc_register_component(&pdev->dev, &s3c_ac97_component, + s3c_ac97_dai, ARRAY_SIZE(s3c_ac97_dai)); + if (ret) + goto err5; + return 0; err5: free_irq(irq_res->start, NULL); diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 7e32cf4..7825bff 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -1237,14 +1237,14 @@ static int samsung_i2s_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Unable to get drvdata\n"); return -EFAULT; } - ret = devm_snd_soc_register_component(&sec_dai->pdev->dev, - &samsung_i2s_component, - &sec_dai->i2s_dai_drv, 1); + ret = samsung_asoc_dma_platform_register(&pdev->dev, + sec_dai->filter, "tx-sec", NULL); if (ret != 0) return ret; - return samsung_asoc_dma_platform_register(&pdev->dev, - sec_dai->filter, "tx-sec", NULL); + return devm_snd_soc_register_component(&sec_dai->pdev->dev, + &samsung_i2s_component, + &sec_dai->i2s_dai_drv, 1); } pri_dai = i2s_alloc_dai(pdev, false); @@ -1314,6 +1314,11 @@ static int samsung_i2s_probe(struct platform_device *pdev) if (quirks & QUIRK_PRI_6CHAN) pri_dai->i2s_dai_drv.playback.channels_max = 6; + ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter, + NULL, NULL); + if (ret < 0) + goto err_disable_clk; + if (quirks & QUIRK_SEC_DAI) { sec_dai = i2s_alloc_dai(pdev, true); if (!sec_dai) { @@ -1353,10 +1358,6 @@ static int samsung_i2s_probe(struct platform_device *pdev) if (ret < 0) goto err_free_dai; - ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter, - NULL, NULL); - if (ret < 0) - goto err_free_dai; pm_runtime_enable(&pdev->dev); diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c index 43e367a..c484985 100644 --- a/sound/soc/samsung/pcm.c +++ b/sound/soc/samsung/pcm.c @@ -565,24 +565,25 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev) pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id]; pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id]; + ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, + NULL, NULL); + if (ret) { + dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret); + goto err5; + } + pm_runtime_enable(&pdev->dev); ret = devm_snd_soc_register_component(&pdev->dev, &s3c_pcm_component, &s3c_pcm_dai[pdev->id], 1); if (ret != 0) { dev_err(&pdev->dev, "failed to get register DAI: %d\n", ret); - goto err5; - } - - ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, - NULL, NULL); - if (ret) { - dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret); - goto err5; + goto err6; } return 0; - +err6: + pm_runtime_disable(&pdev->dev); err5: clk_disable_unprepare(pcm->pclk); err4: diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c index 3e89fbc..0a47182 100644 --- a/sound/soc/samsung/s3c2412-i2s.c +++ b/sound/soc/samsung/s3c2412-i2s.c @@ -168,19 +168,19 @@ static int s3c2412_iis_dev_probe(struct platform_device *pdev) s3c2412_i2s_pcm_stereo_in.addr = res->start + S3C2412_IISRXD; s3c2412_i2s_pcm_stereo_in.filter_data = pdata->dma_capture; - ret = s3c_i2sv2_register_component(&pdev->dev, -1, - &s3c2412_i2s_component, - &s3c2412_i2s_dai); + ret = samsung_asoc_dma_platform_register(&pdev->dev, + pdata->dma_filter, + NULL, NULL); if (ret) { - pr_err("failed to register the dai\n"); + pr_err("failed to register the DMA: %d\n", ret); return ret; } - ret = samsung_asoc_dma_platform_register(&pdev->dev, - pdata->dma_filter, - NULL, NULL); + ret = s3c_i2sv2_register_component(&pdev->dev, -1, + &s3c2412_i2s_component, + &s3c2412_i2s_dai); if (ret) - pr_err("failed to register the DMA: %d\n", ret); + pr_err("failed to register the dai\n"); return ret; } diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index c78a936..9052f6a 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -474,18 +474,18 @@ static int s3c24xx_iis_dev_probe(struct platform_device *pdev) s3c24xx_i2s_pcm_stereo_in.addr = res->start + S3C2410_IISFIFO; s3c24xx_i2s_pcm_stereo_in.filter_data = pdata->dma_capture; - ret = devm_snd_soc_register_component(&pdev->dev, - &s3c24xx_i2s_component, &s3c24xx_i2s_dai, 1); + ret = samsung_asoc_dma_platform_register(&pdev->dev, + pdata->dma_filter, + NULL, NULL); if (ret) { - pr_err("failed to register the dai\n"); + pr_err("failed to register the dma: %d\n", ret); return ret; } - ret = samsung_asoc_dma_platform_register(&pdev->dev, - pdata->dma_filter, - NULL, NULL); + ret = devm_snd_soc_register_component(&pdev->dev, + &s3c24xx_i2s_component, &s3c24xx_i2s_dai, 1); if (ret) - pr_err("failed to register the dma: %d\n", ret); + pr_err("failed to register the dai\n"); return ret; } diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c index 26c1fbe..779504f 100644 --- a/sound/soc/samsung/spdif.c +++ b/sound/soc/samsung/spdif.c @@ -416,15 +416,6 @@ static int spdif_probe(struct platform_device *pdev) goto err3; } - dev_set_drvdata(&pdev->dev, spdif); - - ret = devm_snd_soc_register_component(&pdev->dev, - &samsung_spdif_component, &samsung_spdif_dai, 1); - if (ret != 0) { - dev_err(&pdev->dev, "fail to register dai\n"); - goto err4; - } - spdif_stereo_out.addr_width = 2; spdif_stereo_out.addr = mem_res->start + DATA_OUTBUF; filter = NULL; @@ -432,7 +423,6 @@ static int spdif_probe(struct platform_device *pdev) spdif_stereo_out.filter_data = spdif_pdata->dma_playback; filter = spdif_pdata->dma_filter; } - spdif->dma_playback = &spdif_stereo_out; ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, @@ -442,6 +432,15 @@ static int spdif_probe(struct platform_device *pdev) goto err4; } + dev_set_drvdata(&pdev->dev, spdif); + + ret = devm_snd_soc_register_component(&pdev->dev, + &samsung_spdif_component, &samsung_spdif_dai, 1); + if (ret != 0) { + dev_err(&pdev->dev, "fail to register dai\n"); + goto err4; + } + return 0; err4: iounmap(spdif->regs); diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index 1bc8ebc..ad54d4c 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -614,7 +614,11 @@ static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol, iec958->status[3] = ucontrol->value.iec958.status[3]; mutex_unlock(&player->ctrl_lock); - uni_player_set_channel_status(player, NULL); + if (player->substream && player->substream->runtime) + uni_player_set_channel_status(player, + player->substream->runtime); + else + uni_player_set_channel_status(player, NULL); return 0; } diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index e047ec0..56ed947 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -765,11 +765,11 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev) card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); if (!card) - return NULL; + return ERR_PTR(-ENOMEM); card->dai_link = sun4i_codec_create_link(dev, &card->num_links); if (!card->dai_link) - return NULL; + return ERR_PTR(-ENOMEM); card->dev = dev; card->name = "sun4i-codec"; @@ -829,12 +829,6 @@ static int sun4i_codec_probe(struct platform_device *pdev) return PTR_ERR(scodec->clk_module); } - /* Enable the bus clock */ - if (clk_prepare_enable(scodec->clk_apb)) { - dev_err(&pdev->dev, "Failed to enable the APB clock\n"); - return -EINVAL; - } - scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa", GPIOD_OUT_LOW); if (IS_ERR(scodec->gpio_pa)) { @@ -844,6 +838,12 @@ static int sun4i_codec_probe(struct platform_device *pdev) return ret; } + /* Enable the bus clock */ + if (clk_prepare_enable(scodec->clk_apb)) { + dev_err(&pdev->dev, "Failed to enable the APB clock\n"); + return -EINVAL; + } + /* DMA configuration for TX FIFO */ scodec->playback_dma_data.addr = res->start + SUN4I_CODEC_DAC_TXDATA; scodec->playback_dma_data.maxburst = 4; @@ -876,7 +876,8 @@ static int sun4i_codec_probe(struct platform_device *pdev) } card = sun4i_codec_create_card(&pdev->dev); - if (!card) { + if (IS_ERR(card)) { + ret = PTR_ERR(card); dev_err(&pdev->dev, "Failed to create our card\n"); goto err_unregister_codec; } diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index b4bf769..1eef0ae 100644 --- a/tools/power/cpupower/utils/cpufreq-set.c +++ b/tools/power/cpupower/utils/cpufreq-set.c @@ -296,7 +296,7 @@ int cmd_freq_set(int argc, char **argv) struct cpufreq_affected_cpus *cpus; if (!bitmask_isbitset(cpus_chosen, cpu) || - cpupower_is_cpu_online(cpu)) + cpupower_is_cpu_online(cpu) != 1) continue; cpus = cpufreq_get_related_cpus(cpu); @@ -316,10 +316,7 @@ int cmd_freq_set(int argc, char **argv) cpu <= bitmask_last(cpus_chosen); cpu++) { if (!bitmask_isbitset(cpus_chosen, cpu) || - cpupower_is_cpu_online(cpu)) - continue; - - if (cpupower_is_cpu_online(cpu) != 1) + cpupower_is_cpu_online(cpu) != 1) continue; printf(_("Setting cpu: %d\n"), cpu); diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c index e18b30d..ebe1b9f 100644 --- a/virt/kvm/arm/vgic/vgic-mmio.c +++ b/virt/kvm/arm/vgic/vgic-mmio.c @@ -453,17 +453,33 @@ struct vgic_io_device *kvm_to_vgic_iodev(const struct kvm_io_device *dev) return container_of(dev, struct vgic_io_device, dev); } -static bool check_region(const struct vgic_register_region *region, +static bool check_region(const struct kvm *kvm, + const struct vgic_register_region *region, gpa_t addr, int len) { - if ((region->access_flags & VGIC_ACCESS_8bit) && len == 1) - return true; - if ((region->access_flags & VGIC_ACCESS_32bit) && - len == sizeof(u32) && !(addr & 3)) - return true; - if ((region->access_flags & VGIC_ACCESS_64bit) && - len == sizeof(u64) && !(addr & 7)) - return true; + int flags, nr_irqs = kvm->arch.vgic.nr_spis + VGIC_NR_PRIVATE_IRQS; + + switch (len) { + case sizeof(u8): + flags = VGIC_ACCESS_8bit; + break; + case sizeof(u32): + flags = VGIC_ACCESS_32bit; + break; + case sizeof(u64): + flags = VGIC_ACCESS_64bit; + break; + default: + return false; + } + + if ((region->access_flags & flags) && IS_ALIGNED(addr, len)) { + if (!region->bits_per_irq) + return true; + + /* Do we access a non-allocated IRQ? */ + return VGIC_ADDR_TO_INTID(addr, region->bits_per_irq) < nr_irqs; + } return false; } @@ -477,7 +493,7 @@ static int dispatch_mmio_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, region = vgic_find_mmio_region(iodev->regions, iodev->nr_regions, addr - iodev->base_addr); - if (!region || !check_region(region, addr, len)) { + if (!region || !check_region(vcpu->kvm, region, addr, len)) { memset(val, 0, len); return 0; } @@ -510,10 +526,7 @@ static int dispatch_mmio_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, region = vgic_find_mmio_region(iodev->regions, iodev->nr_regions, addr - iodev->base_addr); - if (!region) - return 0; - - if (!check_region(region, addr, len)) + if (!region || !check_region(vcpu->kvm, region, addr, len)) return 0; switch (iodev->iodev_type) { diff --git a/virt/kvm/arm/vgic/vgic-mmio.h b/virt/kvm/arm/vgic/vgic-mmio.h index 4c34d39..84961b4 100644 --- a/virt/kvm/arm/vgic/vgic-mmio.h +++ b/virt/kvm/arm/vgic/vgic-mmio.h @@ -50,15 +50,15 @@ extern struct kvm_io_device_ops kvm_io_gic_ops; #define VGIC_ADDR_IRQ_MASK(bits) (((bits) * 1024 / 8) - 1) /* - * (addr & mask) gives us the byte offset for the INT ID, so we want to - * divide this with 'bytes per irq' to get the INT ID, which is given - * by '(bits) / 8'. But we do this with fixed-point-arithmetic and - * take advantage of the fact that division by a fraction equals - * multiplication with the inverted fraction, and scale up both the - * numerator and denominator with 8 to support at most 64 bits per IRQ: + * (addr & mask) gives us the _byte_ offset for the INT ID. + * We multiply this by 8 the get the _bit_ offset, then divide this by + * the number of bits to learn the actual INT ID. + * But instead of a division (which requires a "long long div" implementation), + * we shift by the binary logarithm of <bits>. + * This assumes that <bits> is a power of two. */ #define VGIC_ADDR_TO_INTID(addr, bits) (((addr) & VGIC_ADDR_IRQ_MASK(bits)) * \ - 64 / (bits) / 8) + 8 >> ilog2(bits)) /* * Some VGIC registers store per-IRQ information, with a different number diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index 2893d5b..6440b56 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -273,6 +273,18 @@ retry: * no more work for us to do. */ spin_unlock(&irq->irq_lock); + + /* + * We have to kick the VCPU here, because we could be + * queueing an edge-triggered interrupt for which we + * get no EOI maintenance interrupt. In that case, + * while the IRQ is already on the VCPU's AP list, the + * VCPU could have EOI'ed the original interrupt and + * won't see this one until it exits for some other + * reason. + */ + if (vcpu) + kvm_vcpu_kick(vcpu); return false; } |
