diff options
87 files changed, 1594 insertions, 616 deletions
diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi index f27be7d1a49..e8ffc70ffe1 100644 --- a/Documentation/ABI/testing/sysfs-firmware-acpi +++ b/Documentation/ABI/testing/sysfs-firmware-acpi @@ -89,7 +89,7 @@ Description: error - an interrupt that can't be accounted for above. - invalid: it's either a wakeup GPE or a GPE/Fixed Event that + invalid: it's either a GPE or a Fixed Event that doesn't have an event handler. disable: the GPE/Fixed Event is valid but disabled. @@ -117,30 +117,30 @@ Description: and other user space applications so that the machine won't shutdown when pressing the power button. # cat ff_pwr_btn - 0 + 0 enabled # press the power button for 3 times; # cat ff_pwr_btn - 3 + 3 enabled # echo disable > ff_pwr_btn # cat ff_pwr_btn - disable + 3 disabled # press the power button for 3 times; # cat ff_pwr_btn - disable + 3 disabled # echo enable > ff_pwr_btn # cat ff_pwr_btn - 4 + 4 enabled /* * this is because the status bit is set even if the enable bit is cleared, * and it triggers an ACPI fixed event when the enable bit is set again */ # press the power button for 3 times; # cat ff_pwr_btn - 7 + 7 enabled # echo disable > ff_pwr_btn # press the power button for 3 times; # echo clear > ff_pwr_btn /* clear the status bit */ # echo disable > ff_pwr_btn # cat ff_pwr_btn - 7 + 7 enabled diff --git a/Documentation/acpi/debug.txt b/Documentation/acpi/debug.txt new file mode 100644 index 00000000000..65bf47c46b6 --- /dev/null +++ b/Documentation/acpi/debug.txt @@ -0,0 +1,148 @@ + ACPI Debug Output + + +The ACPI CA, the Linux ACPI core, and some ACPI drivers can generate debug +output. This document describes how to use this facility. + +Compile-time configuration +-------------------------- + +ACPI debug output is globally enabled by CONFIG_ACPI_DEBUG. If this config +option is turned off, the debug messages are not even built into the +kernel. + +Boot- and run-time configuration +-------------------------------- + +When CONFIG_ACPI_DEBUG=y, you can select the component and level of messages +you're interested in. At boot-time, use the acpi.debug_layer and +acpi.debug_level kernel command line options. After boot, you can use the +debug_layer and debug_level files in /sys/module/acpi/parameters/ to control +the debug messages. + +debug_layer (component) +----------------------- + +The "debug_layer" is a mask that selects components of interest, e.g., a +specific driver or part of the ACPI interpreter. To build the debug_layer +bitmask, look for the "#define _COMPONENT" in an ACPI source file. + +You can set the debug_layer mask at boot-time using the acpi.debug_layer +command line argument, and you can change it after boot by writing values +to /sys/module/acpi/parameters/debug_layer. + +The possible components are defined in include/acpi/acoutput.h and +include/acpi/acpi_drivers.h. Reading /sys/module/acpi/parameters/debug_layer +shows the supported mask values, currently these: + + ACPI_UTILITIES 0x00000001 + ACPI_HARDWARE 0x00000002 + ACPI_EVENTS 0x00000004 + ACPI_TABLES 0x00000008 + ACPI_NAMESPACE 0x00000010 + ACPI_PARSER 0x00000020 + ACPI_DISPATCHER 0x00000040 + ACPI_EXECUTER 0x00000080 + ACPI_RESOURCES 0x00000100 + ACPI_CA_DEBUGGER 0x00000200 + ACPI_OS_SERVICES 0x00000400 + ACPI_CA_DISASSEMBLER 0x00000800 + ACPI_COMPILER 0x00001000 + ACPI_TOOLS 0x00002000 + ACPI_BUS_COMPONENT 0x00010000 + ACPI_AC_COMPONENT 0x00020000 + ACPI_BATTERY_COMPONENT 0x00040000 + ACPI_BUTTON_COMPONENT 0x00080000 + ACPI_SBS_COMPONENT 0x00100000 + ACPI_FAN_COMPONENT 0x00200000 + ACPI_PCI_COMPONENT 0x00400000 + ACPI_POWER_COMPONENT 0x00800000 + ACPI_CONTAINER_COMPONENT 0x01000000 + ACPI_SYSTEM_COMPONENT 0x02000000 + ACPI_THERMAL_COMPONENT 0x04000000 + ACPI_MEMORY_DEVICE_COMPONENT 0x08000000 + ACPI_VIDEO_COMPONENT 0x10000000 + ACPI_PROCESSOR_COMPONENT 0x20000000 + +debug_level +----------- + +The "debug_level" is a mask that selects different types of messages, e.g., +those related to initialization, method execution, informational messages, etc. +To build debug_level, look at the level specified in an ACPI_DEBUG_PRINT() +statement. + +The ACPI interpreter uses several different levels, but the Linux +ACPI core and ACPI drivers generally only use ACPI_LV_INFO. + +You can set the debug_level mask at boot-time using the acpi.debug_level +command line argument, and you can change it after boot by writing values +to /sys/module/acpi/parameters/debug_level. + +The possible levels are defined in include/acpi/acoutput.h. Reading +/sys/module/acpi/parameters/debug_level shows the supported mask values, +currently these: + + ACPI_LV_INIT 0x00000001 + ACPI_LV_DEBUG_OBJECT 0x00000002 + ACPI_LV_INFO 0x00000004 + ACPI_LV_INIT_NAMES 0x00000020 + ACPI_LV_PARSE 0x00000040 + ACPI_LV_LOAD 0x00000080 + ACPI_LV_DISPATCH 0x00000100 + ACPI_LV_EXEC 0x00000200 + ACPI_LV_NAMES 0x00000400 + ACPI_LV_OPREGION 0x00000800 + ACPI_LV_BFIELD 0x00001000 + ACPI_LV_TABLES 0x00002000 + ACPI_LV_VALUES 0x00004000 + ACPI_LV_OBJECTS 0x00008000 + ACPI_LV_RESOURCES 0x00010000 + ACPI_LV_USER_REQUESTS 0x00020000 + ACPI_LV_PACKAGE 0x00040000 + ACPI_LV_ALLOCATIONS 0x00100000 + ACPI_LV_FUNCTIONS 0x00200000 + ACPI_LV_OPTIMIZATIONS 0x00400000 + ACPI_LV_MUTEX 0x01000000 + ACPI_LV_THREADS 0x02000000 + ACPI_LV_IO 0x04000000 + ACPI_LV_INTERRUPTS 0x08000000 + ACPI_LV_AML_DISASSEMBLE 0x10000000 + ACPI_LV_VERBOSE_INFO 0x20000000 + ACPI_LV_FULL_TABLES 0x40000000 + ACPI_LV_EVENTS 0x80000000 + +Examples +-------- + +For example, drivers/acpi/bus.c contains this: + + #define _COMPONENT ACPI_BUS_COMPONENT + ... + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device insertion detected\n")); + +To turn on this message, set the ACPI_BUS_COMPONENT bit in acpi.debug_layer +and the ACPI_LV_INFO bit in acpi.debug_level. (The ACPI_DEBUG_PRINT +statement uses ACPI_DB_INFO, which is macro based on the ACPI_LV_INFO +definition.) + +Enable all AML "Debug" output (stores to the Debug object while interpreting +AML) during boot: + + acpi.debug_layer=0xffffffff acpi.debug_level=0x2 + +Enable PCI and PCI interrupt routing debug messages: + + acpi.debug_layer=0x400000 acpi.debug_level=0x4 + +Enable all ACPI hardware-related messages: + + acpi.debug_layer=0x2 acpi.debug_level=0xffffffff + +Enable all ACPI_DB_INFO messages after boot: + + # echo 0x4 > /sys/module/acpi/parameters/debug_level + +Show all valid component values: + + # cat /sys/module/acpi/parameters/debug_layer diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index c86c0745971..c600c4ffc65 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -198,59 +198,42 @@ and is between 256 and 4096 characters. It is defined in the file that require a timer override, but don't have HPET - acpi.debug_layer= [HW,ACPI] + acpi_backlight= [HW,ACPI] + acpi_backlight=vendor + acpi_backlight=video + If set to vendor, prefer vendor specific driver + (e.g. thinkpad_acpi, sony_acpi, etc.) instead + of the ACPI video.ko driver. + + acpi_display_output= [HW,ACPI] + acpi_display_output=vendor + acpi_display_output=video + See above. + + acpi.debug_layer= [HW,ACPI,ACPI_DEBUG] + acpi.debug_level= [HW,ACPI,ACPI_DEBUG] Format: <int> - Each bit of the <int> indicates an ACPI debug layer, - 1: enable, 0: disable. It is useful for boot time - debugging. After system has booted up, it can be set - via /sys/module/acpi/parameters/debug_layer. - CONFIG_ACPI_DEBUG must be enabled for this to produce any output. - Available bits (add the numbers together) to enable debug output - for specific parts of the ACPI subsystem: - 0x01 utilities 0x02 hardware 0x04 events 0x08 tables - 0x10 namespace 0x20 parser 0x40 dispatcher - 0x80 executer 0x100 resources 0x200 acpica debugger - 0x400 os services 0x800 acpica disassembler. - The number can be in decimal or prefixed with 0x in hex. - Warning: Many of these options can produce a lot of - output and make your system unusable. Be very careful. - - acpi.debug_level= [HW,ACPI] - Format: <int> - Each bit of the <int> indicates an ACPI debug level, - which corresponds to the level in an ACPI_DEBUG_PRINT - statement. After system has booted up, this mask - can be set via /sys/module/acpi/parameters/debug_level. - - CONFIG_ACPI_DEBUG must be enabled for this to produce - any output. The number can be in decimal or prefixed - with 0x in hex. Some of these options produce so much - output that the system is unusable. - - The following global components are defined by the - ACPI CA: - 0x01 error - 0x02 warn - 0x04 init - 0x08 debug object - 0x10 info - 0x20 init names - 0x40 parse - 0x80 load - 0x100 dispatch - 0x200 execute - 0x400 names - 0x800 operation region - 0x1000 bfield - 0x2000 tables - 0x4000 values - 0x8000 objects - 0x10000 resources - 0x20000 user requests - 0x40000 package - The number can be in decimal or prefixed with 0x in hex. - Warning: Many of these options can produce a lot of - output and make your system unusable. Be very careful. + CONFIG_ACPI_DEBUG must be enabled to produce any ACPI + debug output. Bits in debug_layer correspond to a + _COMPONENT in an ACPI source file, e.g., + #define _COMPONENT ACPI_PCI_COMPONENT + Bits in debug_level correspond to a level in + ACPI_DEBUG_PRINT statements, e.g., + ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... + See Documentation/acpi/debug.txt for more information + about debug layers and levels. + + Enable AML "Debug" output, i.e., stores to the Debug + object while interpreting AML: + acpi.debug_layer=0xffffffff acpi.debug_level=0x2 + Enable PCI/PCI interrupt routing info messages: + acpi.debug_layer=0x400000 acpi.debug_level=0x4 + Enable all messages related to ACPI hardware: + acpi.debug_layer=0x2 acpi.debug_level=0xffffffff + + Some values produce so much output that the system is + unusable. The "log_buf_len" parameter may be useful + if you need to capture more output. acpi.power_nocheck= [HW,ACPI] Format: 1/0 enable/disable the check of power state. diff --git a/MAINTAINERS b/MAINTAINERS index 53e78c83cc7..272d04e95fa 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2216,6 +2216,13 @@ M: adaplas@gmail.com L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) S: Maintained +INTEL MENLOW THERMAL DRIVER +P: Sujith Thomas +M: sujith.thomas@intel.com +L: linux-acpi@vger.kernel.org +W: http://www.lesswatts.org/projects/acpi/ +S: Supported + INTEL IA32 MICROCODE UPDATE SUPPORT P: Tigran Aivazian M: tigran@aivazian.fsnet.co.uk @@ -3377,7 +3384,9 @@ S: Maintained PNP SUPPORT P: Adam Belay -M: ambx1@neo.rr.com +M: abelay@mit.edu +P: Bjorn Helgaas +M: bjorn.helgaas@hp.com S: Maintained PNXxxxx I2C DRIVER diff --git a/arch/arm/include/asm/hardware/iop3xx-adma.h b/arch/arm/include/asm/hardware/iop3xx-adma.h index 87bff09633a..83e6ba338e2 100644 --- a/arch/arm/include/asm/hardware/iop3xx-adma.h +++ b/arch/arm/include/asm/hardware/iop3xx-adma.h @@ -730,7 +730,8 @@ static inline void iop_desc_set_next_desc(struct iop_adma_desc_slot *desc, { /* hw_desc->next_desc is the same location for all channels */ union iop3xx_desc hw_desc = { .ptr = desc->hw_desc, }; - BUG_ON(hw_desc.dma->next_desc); + + iop_paranoia(hw_desc.dma->next_desc); hw_desc.dma->next_desc = next_desc_addr; } @@ -760,7 +761,7 @@ static inline int iop_desc_get_zero_result(struct iop_adma_desc_slot *desc) struct iop3xx_desc_aau *hw_desc = desc->hw_desc; struct iop3xx_aau_desc_ctrl desc_ctrl = hw_desc->desc_ctrl_field; - BUG_ON(!(desc_ctrl.tx_complete && desc_ctrl.zero_result_en)); + iop_paranoia(!(desc_ctrl.tx_complete && desc_ctrl.zero_result_en)); return desc_ctrl.zero_result_err; } diff --git a/arch/arm/include/asm/hardware/iop_adma.h b/arch/arm/include/asm/hardware/iop_adma.h index cb7e3611bcb..385c6e8cbbd 100644 --- a/arch/arm/include/asm/hardware/iop_adma.h +++ b/arch/arm/include/asm/hardware/iop_adma.h @@ -23,6 +23,12 @@ #define IOP_ADMA_SLOT_SIZE 32 #define IOP_ADMA_THRESHOLD 4 +#ifdef DEBUG +#define IOP_PARANOIA 1 +#else +#define IOP_PARANOIA 0 +#endif +#define iop_paranoia(x) BUG_ON(IOP_PARANOIA && (x)) /** * struct iop_adma_device - internal representation of an ADMA device diff --git a/arch/arm/mach-iop13xx/include/mach/adma.h b/arch/arm/mach-iop13xx/include/mach/adma.h index 60019c8e646..5722e86f217 100644 --- a/arch/arm/mach-iop13xx/include/mach/adma.h +++ b/arch/arm/mach-iop13xx/include/mach/adma.h @@ -404,7 +404,8 @@ static inline void iop_desc_set_next_desc(struct iop_adma_desc_slot *desc, u32 next_desc_addr) { struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc; - BUG_ON(hw_desc->next_desc); + + iop_paranoia(hw_desc->next_desc); hw_desc->next_desc = next_desc_addr; } diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig index 8e99fed6b3f..f833a0b4188 100644 --- a/arch/ia64/kvm/Kconfig +++ b/arch/ia64/kvm/Kconfig @@ -20,6 +20,8 @@ if VIRTUALIZATION config KVM tristate "Kernel-based Virtual Machine (KVM) support" depends on HAVE_KVM && EXPERIMENTAL + # for device assignment: + depends on PCI select PREEMPT_NOTIFIERS select ANON_INODES ---help--- diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 3caac477de9..af1464f7a6a 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -673,16 +673,16 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vcpu_load(vcpu); + if (vcpu->sigset_active) + sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { kvm_vcpu_block(vcpu); clear_bit(KVM_REQ_UNHALT, &vcpu->requests); - vcpu_put(vcpu); - return -EAGAIN; + r = -EAGAIN; + goto out; } - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); - if (vcpu->mmio_needed) { memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8); kvm_set_mmio_data(vcpu); @@ -690,7 +690,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vcpu->mmio_needed = 0; } r = __vcpu_run(vcpu, kvm_run); - +out: if (vcpu->sigset_active) sigprocmask(SIG_SETMASK, &sigsaved, NULL); diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h index 341e3fee280..e9b2a4e121c 100644 --- a/arch/ia64/kvm/vcpu.h +++ b/arch/ia64/kvm/vcpu.h @@ -384,6 +384,10 @@ static inline u64 __gpfn_is_io(u64 gpfn) #define MODE_IND(psr) \ (((psr).it << 2) + ((psr).dt << 1) + (psr).rt) +#ifndef CONFIG_SMP +#define _vmm_raw_spin_lock(x) do {}while(0) +#define _vmm_raw_spin_unlock(x) do {}while(0) +#else #define _vmm_raw_spin_lock(x) \ do { \ __u32 *ia64_spinlock_ptr = (__u32 *) (x); \ @@ -403,6 +407,7 @@ static inline u64 __gpfn_is_io(u64 gpfn) do { barrier(); \ ((spinlock_t *)x)->raw_lock.lock = 0; } \ while (0) +#endif void vmm_spin_lock(spinlock_t *lock); void vmm_spin_unlock(spinlock_t *lock); diff --git a/arch/mn10300/Kconfig.debug b/arch/mn10300/Kconfig.debug index 524e33819f3..ff80e86b9bd 100644 --- a/arch/mn10300/Kconfig.debug +++ b/arch/mn10300/Kconfig.debug @@ -15,6 +15,15 @@ config DEBUG_DECOMPRESS_KERNEL decompressing Linux seeing "Uncompressing Linux... " and "Ok, booting the kernel.\n" on console. +config TEST_MISALIGNMENT_HANDLER + bool "Run tests on the misalignment handler" + depends on DEBUG_KERNEL + default n + help + If you say Y here the kernel will execute a list of misaligned memory + accesses to make sure the misalignment handler deals them with + correctly. If it does not, the kernel will throw a BUG. + config KPROBES bool "Kprobes" depends on DEBUG_KERNEL diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c index 32aa89dc384..94c4a435806 100644 --- a/arch/mn10300/mm/misalignment.c +++ b/arch/mn10300/mm/misalignment.c @@ -37,26 +37,22 @@ #include <asm/asm-offsets.h> #if 0 -#define kdebug(FMT, ...) printk(KERN_DEBUG FMT, ##__VA_ARGS__) +#define kdebug(FMT, ...) printk(KERN_DEBUG "MISALIGN: "FMT"\n", ##__VA_ARGS__) #else #define kdebug(FMT, ...) do {} while (0) #endif -static int misalignment_addr(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, - void **_address, unsigned long **_postinc); +static int misalignment_addr(unsigned long *registers, unsigned long sp, + unsigned params, unsigned opcode, + unsigned long disp, + void **_address, unsigned long **_postinc, + unsigned long *_inc); static int misalignment_reg(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, + unsigned opcode, unsigned long disp, unsigned long **_register); -static inline unsigned int_log2(unsigned x) -{ - unsigned y; - asm("bsch %1,%0" : "=r"(y) : "r"(x), "0"(0)); - return y; -} -#define log2(x) int_log2(x) +static void misalignment_MOV_Lcc(struct pt_regs *regs, uint32_t opcode); static const unsigned Dreg_index[] = { REG_D0 >> 2, REG_D1 >> 2, REG_D2 >> 2, REG_D3 >> 2 @@ -86,9 +82,10 @@ enum format_id { FMT_D7, FMT_D8, FMT_D9, + FMT_D10, }; -struct { +static const struct { u_int8_t opsz, dispsz; } format_tbl[16] = { [FMT_S0] = { 8, 0 }, @@ -103,6 +100,7 @@ struct { [FMT_D7] = { 24, 8 }, [FMT_D8] = { 24, 24 }, [FMT_D9] = { 24, 32 }, + [FMT_D10] = { 32, 0 }, }; enum value_id { @@ -128,9 +126,14 @@ enum value_id { SD24, /* 24-bit signed displacement */ SIMM4_2, /* 4-bit signed displacement in opcode bits 4-7 */ SIMM8, /* 8-bit signed immediate */ + IMM8, /* 8-bit unsigned immediate */ + IMM16, /* 16-bit unsigned immediate */ IMM24, /* 24-bit unsigned immediate */ IMM32, /* 32-bit unsigned immediate */ - IMM32_HIGH8, /* 32-bit unsigned immediate, high 8-bits in opcode */ + IMM32_HIGH8, /* 32-bit unsigned immediate, LSB in opcode */ + + IMM32_MEM, /* 32-bit unsigned displacement */ + IMM32_HIGH8_MEM, /* 32-bit unsigned displacement, LSB in opcode */ DN0 = DM0, DN1 = DM1, @@ -149,7 +152,7 @@ enum value_id { }; struct mn10300_opcode { - const char *name; + const char name[8]; u_int32_t opcode; u_int32_t opmask; unsigned exclusion; @@ -185,6 +188,10 @@ struct mn10300_opcode { Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ static const struct mn10300_opcode mn10300_opcodes[] = { +{ "mov", 0x4200, 0xf300, 0, FMT_S1, 0, {DM1, MEM2(IMM8, SP)}}, +{ "mov", 0x4300, 0xf300, 0, FMT_S1, 0, {AM1, MEM2(IMM8, SP)}}, +{ "mov", 0x5800, 0xfc00, 0, FMT_S1, 0, {MEM2(IMM8, SP), DN0}}, +{ "mov", 0x5c00, 0xfc00, 0, FMT_S1, 0, {MEM2(IMM8, SP), AN0}}, { "mov", 0x60, 0xf0, 0, FMT_S0, 0, {DM1, MEM(AN0)}}, { "mov", 0x70, 0xf0, 0, FMT_S0, 0, {MEM(AM0), DN1}}, { "mov", 0xf000, 0xfff0, 0, FMT_D0, 0, {MEM(AM0), AN1}}, @@ -197,8 +204,6 @@ static const struct mn10300_opcode mn10300_opcodes[] = { { "mov", 0xf81000, 0xfff000, 0, FMT_D1, 0, {DM1, MEM2(SD8, AN0)}}, { "mov", 0xf82000, 0xfff000, 0, FMT_D1, 0, {MEM2(SD8,AM0), AN1}}, { "mov", 0xf83000, 0xfff000, 0, FMT_D1, 0, {AM1, MEM2(SD8, AN0)}}, -{ "mov", 0xf8f000, 0xfffc00, 0, FMT_D1, AM33, {MEM2(SD8, AM0), SP}}, -{ "mov", 0xf8f400, 0xfffc00, 0, FMT_D1, AM33, {SP, MEM2(SD8, AN0)}}, { "mov", 0xf90a00, 0xffff00, 0, FMT_D6, AM33, {MEM(RM0), RN2}}, { "mov", 0xf91a00, 0xffff00, 0, FMT_D6, AM33, {RM2, MEM(RN0)}}, { "mov", 0xf96a00, 0xffff00, 0x12, FMT_D6, AM33, {MEMINC(RM0), RN2}}, @@ -207,24 +212,46 @@ static const struct mn10300_opcode mn10300_opcodes[] = { { "mov", 0xfa100000, 0xfff00000, 0, FMT_D2, 0, {DM1, MEM2(SD16, AN0)}}, { "mov", 0xfa200000, 0xfff00000, 0, FMT_D2, 0, {MEM2(SD16, AM0), AN1}}, { "mov", 0xfa300000, 0xfff00000, 0, FMT_D2, 0, {AM1, MEM2(SD16, AN0)}}, +{ "mov", 0xfa900000, 0xfff30000, 0, FMT_D2, 0, {AM1, MEM2(IMM16, SP)}}, +{ "mov", 0xfa910000, 0xfff30000, 0, FMT_D2, 0, {DM1, MEM2(IMM16, SP)}}, +{ "mov", 0xfab00000, 0xfffc0000, 0, FMT_D2, 0, {MEM2(IMM16, SP), AN0}}, +{ "mov", 0xfab40000, 0xfffc0000, 0, FMT_D2, 0, {MEM2(IMM16, SP), DN0}}, { "mov", 0xfb0a0000, 0xffff0000, 0, FMT_D7, AM33, {MEM2(SD8, RM0), RN2}}, { "mov", 0xfb1a0000, 0xffff0000, 0, FMT_D7, AM33, {RM2, MEM2(SD8, RN0)}}, { "mov", 0xfb6a0000, 0xffff0000, 0x22, FMT_D7, AM33, {MEMINC2 (RM0, SIMM8), RN2}}, { "mov", 0xfb7a0000, 0xffff0000, 0, FMT_D7, AM33, {RM2, MEMINC2 (RN0, SIMM8)}}, +{ "mov", 0xfb8a0000, 0xffff0f00, 0, FMT_D7, AM33, {MEM2(IMM8, SP), RN2}}, { "mov", 0xfb8e0000, 0xffff000f, 0, FMT_D7, AM33, {MEM2(RI, RM0), RD2}}, +{ "mov", 0xfb9a0000, 0xffff0f00, 0, FMT_D7, AM33, {RM2, MEM2(IMM8, SP)}}, { "mov", 0xfb9e0000, 0xffff000f, 0, FMT_D7, AM33, {RD2, MEM2(RI, RN0)}}, { "mov", 0xfc000000, 0xfff00000, 0, FMT_D4, 0, {MEM2(IMM32,AM0), DN1}}, { "mov", 0xfc100000, 0xfff00000, 0, FMT_D4, 0, {DM1, MEM2(IMM32,AN0)}}, { "mov", 0xfc200000, 0xfff00000, 0, FMT_D4, 0, {MEM2(IMM32,AM0), AN1}}, { "mov", 0xfc300000, 0xfff00000, 0, FMT_D4, 0, {AM1, MEM2(IMM32,AN0)}}, +{ "mov", 0xfc800000, 0xfff30000, 0, FMT_D4, 0, {AM1, MEM(IMM32_MEM)}}, +{ "mov", 0xfc810000, 0xfff30000, 0, FMT_D4, 0, {DM1, MEM(IMM32_MEM)}}, +{ "mov", 0xfc900000, 0xfff30000, 0, FMT_D4, 0, {AM1, MEM2(IMM32, SP)}}, +{ "mov", 0xfc910000, 0xfff30000, 0, FMT_D4, 0, {DM1, MEM2(IMM32, SP)}}, +{ "mov", 0xfca00000, 0xfffc0000, 0, FMT_D4, 0, {MEM(IMM32_MEM), AN0}}, +{ "mov", 0xfca40000, 0xfffc0000, 0, FMT_D4, 0, {MEM(IMM32_MEM), DN0}}, +{ "mov", 0xfcb00000, 0xfffc0000, 0, FMT_D4, 0, {MEM2(IMM32, SP), AN0}}, +{ "mov", 0xfcb40000, 0xfffc0000, 0, FMT_D4, 0, {MEM2(IMM32, SP), DN0}}, { "mov", 0xfd0a0000, 0xffff0000, 0, FMT_D8, AM33, {MEM2(SD24, RM0), RN2}}, { "mov", 0xfd1a0000, 0xffff0000, 0, FMT_D8, AM33, {RM2, MEM2(SD24, RN0)}}, { "mov", 0xfd6a0000, 0xffff0000, 0x22, FMT_D8, AM33, {MEMINC2 (RM0, IMM24), RN2}}, { "mov", 0xfd7a0000, 0xffff0000, 0, FMT_D8, AM33, {RM2, MEMINC2 (RN0, IMM24)}}, +{ "mov", 0xfd8a0000, 0xffff0f00, 0, FMT_D8, AM33, {MEM2(IMM24, SP), RN2}}, +{ "mov", 0xfd9a0000, 0xffff0f00, 0, FMT_D8, AM33, {RM2, MEM2(IMM24, SP)}}, { "mov", 0xfe0a0000, 0xffff0000, 0, FMT_D9, AM33, {MEM2(IMM32_HIGH8,RM0), RN2}}, +{ "mov", 0xfe0a0000, 0xffff0000, 0, FMT_D9, AM33, {MEM2(IMM32_HIGH8,RM0), RN2}}, +{ "mov", 0xfe0e0000, 0xffff0f00, 0, FMT_D9, AM33, {MEM(IMM32_HIGH8_MEM), RN2}}, +{ "mov", 0xfe1a0000, 0xffff0000, 0, FMT_D9, AM33, {RM2, MEM2(IMM32_HIGH8, RN0)}}, { "mov", 0xfe1a0000, 0xffff0000, 0, FMT_D9, AM33, {RM2, MEM2(IMM32_HIGH8, RN0)}}, +{ "mov", 0xfe1e0000, 0xffff0f00, 0, FMT_D9, AM33, {RM2, MEM(IMM32_HIGH8_MEM)}}, { "mov", 0xfe6a0000, 0xffff0000, 0x22, FMT_D9, AM33, {MEMINC2 (RM0, IMM32_HIGH8), RN2}}, { "mov", 0xfe7a0000, 0xffff0000, 0, FMT_D9, AM33, {RN2, MEMINC2 (RM0, IMM32_HIGH8)}}, +{ "mov", 0xfe8a0000, 0xffff0f00, 0, FMT_D9, AM33, {MEM2(IMM32_HIGH8, SP), RN2}}, +{ "mov", 0xfe9a0000, 0xffff0f00, 0, FMT_D9, AM33, {RM2, MEM2(IMM32_HIGH8, SP)}}, { "movhu", 0xf060, 0xfff0, 0, FMT_D0, 0, {MEM(AM0), DN1}}, { "movhu", 0xf070, 0xfff0, 0, FMT_D0, 0, {DM1, MEM(AN0)}}, @@ -232,29 +259,58 @@ static const struct mn10300_opcode mn10300_opcodes[] = { { "movhu", 0xf4c0, 0xffc0, 0, FMT_D0, 0, {DM2, MEM2(DI, AN0)}}, { "movhu", 0xf86000, 0xfff000, 0, FMT_D1, 0, {MEM2(SD8, AM0), DN1}}, { "movhu", 0xf87000, 0xfff000, 0, FMT_D1, 0, {DM1, MEM2(SD8, AN0)}}, +{ "movhu", 0xf89300, 0xfff300, 0, FMT_D1, 0, {DM1, MEM2(IMM8, SP)}}, +{ "movhu", 0xf8bc00, 0xfffc00, 0, FMT_D1, 0, {MEM2(IMM8, SP), DN0}}, { "movhu", 0xf94a00, 0xffff00, 0, FMT_D6, AM33, {MEM(RM0), RN2}}, { "movhu", 0xf95a00, 0xffff00, 0, FMT_D6, AM33, {RM2, MEM(RN0)}}, { "movhu", 0xf9ea00, 0xffff00, 0x12, FMT_D6, AM33, {MEMINC(RM0), RN2}}, { "movhu", 0xf9fa00, 0xffff00, 0, FMT_D6, AM33, {RM2, MEMINC(RN0)}}, { "movhu", 0xfa600000, 0xfff00000, 0, FMT_D2, 0, {MEM2(SD16, AM0), DN1}}, { "movhu", 0xfa700000, 0xfff00000, 0, FMT_D2, 0, {DM1, MEM2(SD16, AN0)}}, +{ "movhu", 0xfa930000, 0xfff30000, 0, FMT_D2, 0, {DM1, MEM2(IMM16, SP)}}, +{ "movhu", 0xfabc0000, 0xfffc0000, 0, FMT_D2, 0, {MEM2(IMM16, SP), DN0}}, { "movhu", 0xfb4a0000, 0xffff0000, 0, FMT_D7, AM33, {MEM2(SD8, RM0), RN2}}, { "movhu", 0xfb5a0000, 0xffff0000, 0, FMT_D7, AM33, {RM2, MEM2(SD8, RN0)}}, +{ "movhu", 0xfbca0000, 0xffff0f00, 0, FMT_D7, AM33, {MEM2(IMM8, SP), RN2}}, { "movhu", 0xfbce0000, 0xffff000f, 0, FMT_D7, AM33, {MEM2(RI, RM0), RD2}}, +{ "movhu", 0xfbda0000, 0xffff0f00, 0, FMT_D7, AM33, {RM2, MEM2(IMM8, SP)}}, { "movhu", 0xfbde0000, 0xffff000f, 0, FMT_D7, AM33, {RD2, MEM2(RI, RN0)}}, { "movhu", 0xfbea0000, 0xffff0000, 0x22, FMT_D7, AM33, {MEMINC2 (RM0, SIMM8), RN2}}, { "movhu", 0xfbfa0000, 0xffff0000, 0, FMT_D7, AM33, {RM2, MEMINC2 (RN0, SIMM8)}}, { "movhu", 0xfc600000, 0xfff00000, 0, FMT_D4, 0, {MEM2(IMM32,AM0), DN1}}, { "movhu", 0xfc700000, 0xfff00000, 0, FMT_D4, 0, {DM1, MEM2(IMM32,AN0)}}, +{ "movhu", 0xfc830000, 0xfff30000, 0, FMT_D4, 0, {DM1, MEM(IMM32_MEM)}}, +{ "movhu", 0xfc930000, 0xfff30000, 0, FMT_D4, 0, {DM1, MEM2(IMM32, SP)}}, +{ "movhu", 0xfcac0000, 0xfffc0000, 0, FMT_D4, 0, {MEM(IMM32_MEM), DN0}}, +{ "movhu", 0xfcbc0000, 0xfffc0000, 0, FMT_D4, 0, {MEM2(IMM32, SP), DN0}}, { "movhu", 0xfd4a0000, 0xffff0000, 0, FMT_D8, AM33, {MEM2(SD24, RM0), RN2}}, { "movhu", 0xfd5a0000, 0xffff0000, 0, FMT_D8, AM33, {RM2, MEM2(SD24, RN0)}}, +{ "movhu", 0xfdca0000, 0xffff0f00, 0, FMT_D8, AM33, {MEM2(IMM24, SP), RN2}}, +{ "movhu", 0xfdda0000, 0xffff0f00, 0, FMT_D8, AM33, {RM2, MEM2(IMM24, SP)}}, { "movhu", 0xfdea0000, 0xffff0000, 0x22, FMT_D8, AM33, {MEMINC2 (RM0, IMM24), RN2}}, { "movhu", 0xfdfa0000, 0xffff0000, 0, FMT_D8, AM33, {RM2, MEMINC2 (RN0, IMM24)}}, { "movhu", 0xfe4a0000, 0xffff0000, 0, FMT_D9, AM33, {MEM2(IMM32_HIGH8,RM0), RN2}}, +{ "movhu", 0xfe4e0000, 0xffff0f00, 0, FMT_D9, AM33, {MEM(IMM32_HIGH8_MEM), RN2}}, { "movhu", 0xfe5a0000, 0xffff0000, 0, FMT_D9, AM33, {RM2, MEM2(IMM32_HIGH8, RN0)}}, +{ "movhu", 0xfe5e0000, 0xffff0f00, 0, FMT_D9, AM33, {RM2, MEM(IMM32_HIGH8_MEM)}}, +{ "movhu", 0xfeca0000, 0xffff0f00, 0, FMT_D9, AM33, {MEM2(IMM32_HIGH8, SP), RN2}}, +{ "movhu", 0xfeda0000, 0xffff0f00, 0, FMT_D9, AM33, {RM2, MEM2(IMM32_HIGH8, SP)}}, { "movhu", 0xfeea0000, 0xffff0000, 0x22, FMT_D9, AM33, {MEMINC2 (RM0, IMM32_HIGH8), RN2}}, { "movhu", 0xfefa0000, 0xffff0000, 0, FMT_D9, AM33, {RN2, MEMINC2 (RM0, IMM32_HIGH8)}}, -{ 0, 0, 0, 0, 0, 0, {0}}, + +{ "mov_llt", 0xf7e00000, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lgt", 0xf7e00001, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lge", 0xf7e00002, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lle", 0xf7e00003, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lcs", 0xf7e00004, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lhi", 0xf7e00005, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lcc", 0xf7e00006, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lls", 0xf7e00007, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_leq", 0xf7e00008, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lne", 0xf7e00009, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, +{ "mov_lra", 0xf7e0000a, 0xffff000f, 0x22, FMT_D10, AM33, {MEMINC2 (RN4,SIMM4_2), RM6}}, + +{ "", 0, 0, 0, 0, 0, {0}}, }; /* @@ -265,18 +321,21 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code) const struct exception_table_entry *fixup; const struct mn10300_opcode *pop; unsigned long *registers = (unsigned long *) regs; - unsigned long data, *store, *postinc; + unsigned long data, *store, *postinc, disp, inc, sp; mm_segment_t seg; siginfo_t info; - uint32_t opcode, disp, noc, xo, xm; - uint8_t *pc, byte; + uint32_t opcode, noc, xo, xm; + uint8_t *pc, byte, datasz; void *address; - unsigned tmp, npop; + unsigned tmp, npop, dispsz, loop; + + /* we don't fix up userspace misalignment faults */ + if (user_mode(regs)) + goto bus_error; - kdebug("MISALIGN at %lx\n", regs->pc); + sp = (unsigned long) regs + sizeof(*regs); - if (in_interrupt()) - die("Misalignment trap in interrupt context", regs, code); + kdebug("==>misalignment({pc=%lx,sp=%lx})", regs->pc, sp); if (regs->epsw & EPSW_IE) asm volatile("or %0,epsw" : : "i"(EPSW_IE)); @@ -294,8 +353,8 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code) opcode = byte; noc = 8; - for (pop = mn10300_opcodes; pop->name; pop++) { - npop = log2(pop->opcode | pop->opmask); + for (pop = mn10300_opcodes; pop->name[0]; pop++) { + npop = ilog2(pop->opcode | pop->opmask); if (npop <= 0 || npop > 31) continue; npop = (npop + 8) & ~7; @@ -328,15 +387,15 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code) } /* didn't manage to find a fixup */ - if (!user_mode(regs)) - printk(KERN_CRIT "MISALIGN: %lx: unsupported instruction %x\n", - regs->pc, opcode); + printk(KERN_CRIT "MISALIGN: %lx: unsupported instruction %x\n", + regs->pc, opcode); failed: set_fs(seg); if (die_if_no_fixup("misalignment error", regs, code)) return; +bus_error: info.si_signo = SIGBUS; info.si_errno = 0; info.si_code = BUS_ADRALN; @@ -346,31 +405,27 @@ failed: /* error reading opcodes */ fetch_error: - if (!user_mode(regs)) - printk(KERN_CRIT - "MISALIGN: %p: fault whilst reading instruction data\n", - pc); + printk(KERN_CRIT + "MISALIGN: %p: fault whilst reading instruction data\n", + pc); goto failed; bad_addr_mode: - if (!user_mode(regs)) - printk(KERN_CRIT - "MISALIGN: %lx: unsupported addressing mode %x\n", - regs->pc, opcode); + printk(KERN_CRIT + "MISALIGN: %lx: unsupported addressing mode %x\n", + regs->pc, opcode); goto failed; bad_reg_mode: - if (!user_mode(regs)) - printk(KERN_CRIT - "MISALIGN: %lx: unsupported register mode %x\n", - regs->pc, opcode); + printk(KERN_CRIT + "MISALIGN: %lx: unsupported register mode %x\n", + regs->pc, opcode); goto failed; unsupported_instruction: - if (!user_mode(regs)) - printk(KERN_CRIT - "MISALIGN: %lx: unsupported instruction %x (%s)\n", - regs->pc, opcode, pop->name); + printk(KERN_CRIT + "MISALIGN: %lx: unsupported instruction %x (%s)\n", + regs->pc, opcode, pop->name); goto failed; transfer_failed: @@ -391,7 +446,7 @@ transfer_failed: /* we matched the opcode */ found_opcode: - kdebug("MISALIGN: %lx: %x==%x { %x, %x }\n", + kdebug("%lx: %x==%x { %x, %x }", regs->pc, opcode, pop->opcode, pop->params[0], pop->params[1]); tmp = format_tbl[pop->format].opsz; @@ -406,106 +461,108 @@ found_opcode: /* grab the extra displacement (note it's LSB first) */ disp = 0; - tmp = format_tbl[pop->format].dispsz >> 3; - while (tmp > 0) { - tmp--; - disp <<= 8; - + dispsz = format_tbl[pop->format].dispsz; + for (loop = 0; loop < dispsz; loop += 8) { pc++; if (__get_user(byte, pc) != 0) goto fetch_error; - disp |= byte; + disp |= byte << loop; + kdebug("{%p} disp[%02x]=%02x", pc, loop, byte); } + kdebug("disp=%lx", disp); + set_fs(KERNEL_XDS); - if (fixup || regs->epsw & EPSW_nSL) + if (fixup) set_fs(seg); tmp = (pop->params[0] ^ pop->params[1]) & 0x80000000; if (!tmp) { - if (!user_mode(regs)) - printk(KERN_CRIT - "MISALIGN: %lx:" - " insn not move to/from memory %x\n", - regs->pc, opcode); + printk(KERN_CRIT + "MISALIGN: %lx: insn not move to/from memory %x\n", + regs->pc, opcode); goto failed; } + /* determine the data transfer size of the move */ + if (pop->name[3] == 0 || /* "mov" */ + pop->name[4] == 'l') /* mov_lcc */ + inc = datasz = 4; + else if (pop->name[3] == 'h') /* movhu */ + inc = datasz = 2; + else + goto unsupported_instruction; + if (pop->params[0] & 0x80000000) { /* move memory to register */ - if (!misalignment_addr(registers, pop->params[0], opcode, disp, - &address, &postinc)) + if (!misalignment_addr(registers, sp, + pop->params[0], opcode, disp, + &address, &postinc, &inc)) goto bad_addr_mode; if (!misalignment_reg(registers, pop->params[1], opcode, disp, &store)) goto bad_reg_mode; - if (strcmp(pop->name, "mov") == 0) { - kdebug("FIXUP: mov (%p),DARn\n", address); - if (copy_from_user(&data, (void *) address, 4) != 0) - goto transfer_failed; - if (pop->params[0] & 0x1000000) - *postinc += 4; - } else if (strcmp(pop->name, "movhu") == 0) { - kdebug("FIXUP: movhu (%p),DARn\n", address); - data = 0; - if (copy_from_user(&data, (void *) address, 2) != 0) - goto transfer_failed; - if (pop->params[0] & 0x1000000) - *postinc += 2; - } else { - goto unsupported_instruction; + kdebug("mov%u (%p),DARn", datasz, address); + if (copy_from_user(&data, (void *) address, datasz) != 0) + goto transfer_failed; + if (pop->params[0] & 0x1000000) { + kdebug("inc=%lx", inc); + *postinc += inc; } *store = data; + kdebug("loaded %lx", data); } else { /* move register to memory */ if (!misalignment_reg(registers, pop->params[0], opcode, disp, &store)) goto bad_reg_mode; - if (!misalignment_addr(registers, pop->params[1], opcode, disp, - &address, &postinc)) + if (!misalignment_addr(registers, sp, + pop->params[1], opcode, disp, + &address, &postinc, &inc)) goto bad_addr_mode; data = *store; - if (strcmp(pop->name, "mov") == 0) { - kdebug("FIXUP: mov %lx,(%p)\n", data, address); - if (copy_to_user((void *) address, &data, 4) != 0) - goto transfer_failed; - if (pop->params[1] & 0x1000000) - *postinc += 4; - } else if (strcmp(pop->name, "movhu") == 0) { - kdebug("FIXUP: movhu %hx,(%p)\n", - (uint16_t) data, address); - if (copy_to_user((void *) address, &data, 2) != 0) - goto transfer_failed; - if (pop->params[1] & 0x1000000) - *postinc += 2; - } else { - goto unsupported_instruction; - } + kdebug("mov%u %lx,(%p)", datasz, data, address); + if (copy_to_user((void *) address, &data, datasz) != 0) + goto transfer_failed; + if (pop->params[1] & 0x1000000) + *postinc += inc; } tmp = format_tbl[pop->format].opsz + format_tbl[pop->format].dispsz; regs->pc += tmp >> 3; + /* handle MOV_Lcc, which are currently the only FMT_D10 insns that + * access memory */ + if (pop->format == FMT_D10) + misalignment_MOV_Lcc(regs, opcode); + set_fs(seg); - return; } /* * determine the address that was being accessed */ -static int misalignment_addr(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, - void **_address, unsigned long **_postinc) +static int misalignment_addr(unsigned long *registers, unsigned long sp, + unsigned params, unsigned opcode, + unsigned long disp, + void **_address, unsigned long **_postinc, + unsigned long *_inc) { unsigned long *postinc = NULL, address = 0, tmp; - params &= 0x7fffffff; + if (!(params & 0x1000000)) { + kdebug("noinc"); + *_inc = 0; + _inc = NULL; + } + + params &= 0x00ffffff; do { switch (params & 0xff) { @@ -514,11 +571,11 @@ static int misalignment_addr(unsigned long *registers, unsigned params, address += *postinc; break; case DM1: - postinc = ®isters[Dreg_index[opcode >> 2 & 0x0c]]; + postinc = ®isters[Dreg_index[opcode >> 2 & 0x03]]; address += *postinc; break; case DM2: - postinc = ®isters[Dreg_index[opcode >> 4 & 0x30]]; + postinc = ®isters[Dreg_index[opcode >> 4 & 0x03]]; address += *postinc; break; case AM0: @@ -526,11 +583,11 @@ static int misalignment_addr(unsigned long *registers, unsigned params, address += *postinc; break; case AM1: - postinc = ®isters[Areg_index[opcode >> 2 & 0x0c]]; + postinc = ®isters[Areg_index[opcode >> 2 & 0x03]]; address += *postinc; break; case AM2: - postinc = ®isters[Areg_index[opcode >> 4 & 0x30]]; + postinc = ®isters[Areg_index[opcode >> 4 & 0x03]]; address += *postinc; break; case RM0: @@ -561,33 +618,53 @@ static int misalignment_addr(unsigned long *registers, unsigned params, postinc = ®isters[Rreg_index[disp >> 4 & 0x0f]]; address += *postinc; break; + case SP: + address += sp; + break; + /* displacements are either to be added to the address + * before use, or, in the case of post-inc addressing, + * to be added into the base register after use */ case SD8: case SIMM8: - address += (int32_t) (int8_t) (disp & 0xff); - break; + disp = (long) (int8_t) (disp & 0xff); + goto displace_or_inc; case SD16: - address += (int32_t) (int16_t) (disp & 0xffff); - break; + disp = (long) (int16_t) (disp & 0xffff); + goto displace_or_inc; case SD24: tmp = disp << 8; asm("asr 8,%0" : "=r"(tmp) : "0"(tmp)); - address += tmp; - break; + disp = (long) tmp; + goto displace_or_inc; case SIMM4_2: tmp = opcode >> 4 & 0x0f; tmp <<= 28; asm("asr 28,%0" : "=r"(tmp) : "0"(tmp)); - address += tmp; - break; + disp = (long) tmp; + goto displace_or_inc; + case IMM8: + disp &= 0x000000ff; + goto displace_or_inc; + case IMM16: + disp &= 0x0000ffff; + goto displace_or_inc; case IMM24: - address += disp & 0x00ffffff; - break; + disp &= 0x00ffffff; + goto displace_or_inc; case IMM32: + case IMM32_MEM: case IMM32_HIGH8: - address += disp; + case IMM32_HIGH8_MEM: + displace_or_inc: + kdebug("%s %lx", _inc ? "incr" : "disp", disp); + if (!_inc) + address += disp; + else + *_inc = disp; break; default: + BUG(); return 0; } } while ((params >>= 8)); @@ -601,7 +678,7 @@ static int misalignment_addr(unsigned long *registers, unsigned params, * determine the register that is acting as source/dest */ static int misalignment_reg(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, + unsigned opcode, unsigned long disp, unsigned long **_register) { params &= 0x7fffffff; @@ -654,8 +731,239 @@ static int misalignment_reg(unsigned long *registers, unsigned params, break; default: + BUG(); return 0; } return 1; } + +/* + * handle the conditional loop part of the move-and-loop instructions + */ +static void misalignment_MOV_Lcc(struct pt_regs *regs, uint32_t opcode) +{ + unsigned long epsw = regs->epsw; + unsigned long NxorV; + + kdebug("MOV_Lcc %x [flags=%lx]", opcode, epsw & 0xf); + + /* calculate N^V and shift onto the same bit position as Z */ + NxorV = ((epsw >> 3) ^ epsw >> 1) & 1; + + switch (opcode & 0xf) { + case 0x0: /* MOV_LLT: N^V */ + if (NxorV) + goto take_the_loop; + return; + case 0x1: /* MOV_LGT: ~(Z or (N^V))*/ + if (!((epsw & EPSW_FLAG_Z) | NxorV)) + goto take_the_loop; + return; + case 0x2: /* MOV_LGE: ~(N^V) */ + if (!NxorV) + goto take_the_loop; + return; + case 0x3: /* MOV_LLE: Z or (N^V) */ + if ((epsw & EPSW_FLAG_Z) | NxorV) + goto take_the_loop; + return; + + case 0x4: /* MOV_LCS: C */ + if (epsw & EPSW_FLAG_C) + goto take_the_loop; + return; + case 0x5: /* MOV_LHI: ~(C or Z) */ + if (!(epsw & (EPSW_FLAG_C | EPSW_FLAG_Z))) + goto take_the_loop; + return; + case 0x6: /* MOV_LCC: ~C */ + if (!(epsw & EPSW_FLAG_C)) + goto take_the_loop; + return; + case 0x7: /* MOV_LLS: C or Z */ + if (epsw & (EPSW_FLAG_C | EPSW_FLAG_Z)) + goto take_the_loop; + return; + + case 0x8: /* MOV_LEQ: Z */ + if (epsw & EPSW_FLAG_Z) + goto take_the_loop; + return; + case 0x9: /* MOV_LNE: ~Z */ + if (!(epsw & EPSW_FLAG_Z)) + goto take_the_loop; + return; + case 0xa: /* MOV_LRA: always */ + goto take_the_loop; + + default: + BUG(); + } + +take_the_loop: + /* wind the PC back to just after the SETLB insn */ + kdebug("loop LAR=%lx", regs->lar); + regs->pc = regs->lar - 4; +} + +/* + * misalignment handler tests + */ +#ifdef CONFIG_TEST_MISALIGNMENT_HANDLER +static u8 __initdata testbuf[512] __attribute__((aligned(16))) = { + [257] = 0x11, + [258] = 0x22, + [259] = 0x33, + [260] = 0x44, +}; + +#define ASSERTCMP(X, OP, Y) \ +do { \ + if (unlikely(!((X) OP (Y)))) { \ + printk(KERN_ERR "\n"); \ + printk(KERN_ERR "MISALIGN: Assertion failed at line %u\n", \ + __LINE__); \ + printk(KERN_ERR "0x%lx " #OP " 0x%lx is false\n", \ + (unsigned long)(X), (unsigned long)(Y)); \ + BUG(); \ + } \ +} while(0) + +static int __init test_misalignment(void) +{ + register void *r asm("e0"); + register u32 y asm("e1"); + void *p = testbuf, *q; + u32 tmp, tmp2, x; + + printk(KERN_NOTICE "==>test_misalignment() [testbuf=%p]\n", p); + p++; + + printk(KERN_NOTICE "___ MOV (Am),Dn ___\n"); + q = p + 256; + asm volatile("mov (%0),%1" : "+a"(q), "=d"(x)); + ASSERTCMP(q, ==, p + 256); + ASSERTCMP(x, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV (256,Am),Dn ___\n"); + q = p; + asm volatile("mov (256,%0),%1" : "+a"(q), "=d"(x)); + ASSERTCMP(q, ==, p); + ASSERTCMP(x, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV (Di,Am),Dn ___\n"); + tmp = 256; + q = p; + asm volatile("mov (%2,%0),%1" : "+a"(q), "=d"(x), "+d"(tmp)); + ASSERTCMP(q, ==, p); + ASSERTCMP(x, ==, 0x44332211); + ASSERTCMP(tmp, ==, 256); + + printk(KERN_NOTICE "___ MOV (256,Rm),Rn ___\n"); + r = p; + asm volatile("mov (256,%0),%1" : "+r"(r), "=r"(y)); + ASSERTCMP(r, ==, p); + ASSERTCMP(y, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV (Rm+),Rn ___\n"); + r = p + 256; + asm volatile("mov (%0+),%1" : "+r"(r), "=r"(y)); + ASSERTCMP(r, ==, p + 256 + 4); + ASSERTCMP(y, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV (Rm+,8),Rn ___\n"); + r = p + 256; + asm volatile("mov (%0+,8),%1" : "+r"(r), "=r"(y)); + ASSERTCMP(r, ==, p + 256 + 8); + ASSERTCMP(y, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV (7,SP),Rn ___\n"); + asm volatile( + "add -16,sp \n" + "mov +0x11,%0 \n" + "movbu %0,(7,sp) \n" + "mov +0x22,%0 \n" + "movbu %0,(8,sp) \n" + "mov +0x33,%0 \n" + "movbu %0,(9,sp) \n" + "mov +0x44,%0 \n" + "movbu %0,(10,sp) \n" + "mov (7,sp),%1 \n" + "add +16,sp \n" + : "+a"(q), "=d"(x)); + ASSERTCMP(x, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV (259,SP),Rn ___\n"); + asm volatile( + "add -264,sp \n" + "mov +0x11,%0 \n" + "movbu %0,(259,sp) \n" + "mov +0x22,%0 \n" + "movbu %0,(260,sp) \n" + "mov +0x33,%0 \n" + "movbu %0,(261,sp) \n" + "mov +0x55,%0 \n" + "movbu %0,(262,sp) \n" + "mov (259,sp),%1 \n" + "add +264,sp \n" + : "+d"(tmp), "=d"(x)); + ASSERTCMP(x, ==, 0x55332211); + + printk(KERN_NOTICE "___ MOV (260,SP),Rn ___\n"); + asm volatile( + "add -264,sp \n" + "mov +0x11,%0 \n" + "movbu %0,(260,sp) \n" + "mov +0x22,%0 \n" + "movbu %0,(261,sp) \n" + "mov +0x33,%0 \n" + "movbu %0,(262,sp) \n" + "mov +0x55,%0 \n" + "movbu %0,(263,sp) \n" + "mov (260,sp),%1 \n" + "add +264,sp \n" + : "+d"(tmp), "=d"(x)); + ASSERTCMP(x, ==, 0x55332211); + + + printk(KERN_NOTICE "___ MOV_LNE ___\n"); + tmp = 1; + tmp2 = 2; + q = p + 256; + asm volatile( + "setlb \n" + "mov %2,%3 \n" + "mov %1,%2 \n" + "cmp +0,%1 \n" + "mov_lne (%0+,4),%1" + : "+r"(q), "+d"(tmp), "+d"(tmp2), "=d"(x) + : + : "cc"); + ASSERTCMP(q, ==, p + 256 + 12); + ASSERTCMP(x, ==, 0x44332211); + + printk(KERN_NOTICE "___ MOV in SETLB ___\n"); + tmp = 1; + tmp2 = 2; + q = p + 256; + asm volatile( + "setlb \n" + "mov %1,%3 \n" + "mov (%0+),%1 \n" + "cmp +0,%1 \n" + "lne " + : "+a"(q), "+d"(tmp), "+d"(tmp2), "=d"(x) + : + : "cc"); + + ASSERTCMP(q, ==, p + 256 + 8); + ASSERTCMP(x, ==, 0x44332211); + + printk(KERN_NOTICE "<==test_misalignment()\n"); + return 0; +} + +arch_initcall(test_misalignment); + +#endif /* CONFIG_TEST_MISALIGNMENT_HANDLER */ diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 8d676d8ecde..9830681446a 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -113,7 +113,6 @@ static inline void acpi_disable_pci(void) acpi_pci_disabled = 1; acpi_noirq_set(); } -extern int acpi_irq_balance_set(char *str); /* routines for saving/restoring kernel state */ extern int acpi_save_state_mem(void); diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 8c1f76abae9..4c51a2f8fd3 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1343,7 +1343,6 @@ static void __init acpi_process_madt(void) error = acpi_parse_madt_ioapic_entries(); if (!error) { acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC; - acpi_irq_balance_set(NULL); acpi_ioapic = 1; smp_found_config = 1; diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 774ac499156..1c9cc431ea4 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -128,7 +128,7 @@ static int kvm_register_clock(char *txt) } #ifdef CONFIG_X86_LOCAL_APIC -static void kvm_setup_secondary_clock(void) +static void __devinit kvm_setup_secondary_clock(void) { /* * Now that the first cpu already had this clocksource initialized, diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index ce3251ce550..b81125f0bde 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -20,6 +20,8 @@ if VIRTUALIZATION config KVM tristate "Kernel-based Virtual Machine (KVM) support" depends on HAVE_KVM + # for device assignment: + depends on PCI select PREEMPT_NOTIFIERS select MMU_NOTIFIER select ANON_INODES diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 8772dc94682..59ebd37ad79 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -548,8 +548,10 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm) mutex_lock(&kvm->lock); pit->irq_source_id = kvm_request_irq_source_id(kvm); mutex_unlock(&kvm->lock); - if (pit->irq_source_id < 0) + if (pit->irq_source_id < 0) { + kfree(pit); return NULL; + } mutex_init(&pit->pit_state.lock); mutex_lock(&pit->pit_state.lock); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2a5e64881d9..f1983d9477c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -314,7 +314,7 @@ static int mmu_topup_memory_caches(struct kvm_vcpu *vcpu) if (r) goto out; r = mmu_topup_memory_cache(&vcpu->arch.mmu_rmap_desc_cache, - rmap_desc_cache, 1); + rmap_desc_cache, 4); if (r) goto out; r = mmu_topup_memory_cache_page(&vcpu->arch.mmu_page_cache, 8); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 2643b430d83..d06b4dc0e2e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3564,7 +3564,8 @@ static int __init vmx_init(void) bypass_guest_pf = 0; kvm_mmu_set_base_ptes(VMX_EPT_READABLE_MASK | VMX_EPT_WRITABLE_MASK | - VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT); + VMX_EPT_DEFAULT_MT << VMX_EPT_MT_EPTE_SHIFT | + VMX_EPT_IGMT_BIT); kvm_mmu_set_mask_ptes(0ull, 0ull, 0ull, 0ull, VMX_EPT_EXECUTABLE_MASK); kvm_enable_tdp(); diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h index 3e010d21fdd..ec5edc339da 100644 --- a/arch/x86/kvm/vmx.h +++ b/arch/x86/kvm/vmx.h @@ -352,6 +352,7 @@ enum vmcs_field { #define VMX_EPT_READABLE_MASK 0x1ull #define VMX_EPT_WRITABLE_MASK 0x2ull #define VMX_EPT_EXECUTABLE_MASK 0x4ull +#define VMX_EPT_IGMT_BIT (1ull << 6) #define VMX_EPT_IDENTITY_PAGETABLE_ADDR 0xfffbc000ul diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index f4f63291750..b0243fd55ac 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -312,9 +312,13 @@ config ACPI_DEBUG bool "Debug Statements" default n help - The ACPI driver can optionally report errors with a great deal - of verbosity. Saying Y enables these statements. This will increase - your kernel size by around 50K. + The ACPI subsystem can produce debug output. Saying Y enables this + output and increases the kernel size by around 50K. + + Use the acpi.debug_layer and acpi.debug_level kernel command-line + parameters documented in Documentation/acpi/debug.txt and + Documentation/kernel-parameters.txt to control the type and + amount of debug output. config ACPI_DEBUG_FUNC_TRACE bool "Additionally enable ACPI function tracing" @@ -324,14 +328,6 @@ config ACPI_DEBUG_FUNC_TRACE ACPI Debug Statements slow down ACPI processing. Function trace is about half of the penalty and is rarely useful. -config ACPI_EC - bool - default y - help - This driver is required on some systems for the proper operation of - the battery and thermal drivers. If you are compiling for a - mobile system, say Y. - config ACPI_PCI_SLOT tristate "PCI slot detection driver" default n @@ -341,10 +337,6 @@ config ACPI_PCI_SLOT help you correlate PCI bus addresses with the physical geography of your slots. If you are unsure, say N. -config ACPI_POWER - bool - default y - config ACPI_SYSTEM bool default y diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index d91c027ece8..3c0c93300f1 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -39,19 +39,23 @@ obj-y += sleep/ obj-y += bus.o glue.o obj-y += scan.o # Keep EC driver first. Initialization of others depend on it. -obj-$(CONFIG_ACPI_EC) += ec.o +obj-y += ec.o obj-$(CONFIG_ACPI_AC) += ac.o obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_BUTTON) += button.o obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_DOCK) += dock.o obj-$(CONFIG_ACPI_VIDEO) += video.o +ifdef CONFIG_ACPI_VIDEO +obj-y += video_detect.o +endif + obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o obj-$(CONFIG_ACPI_CONTAINER) += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o -obj-$(CONFIG_ACPI_POWER) += power.o +obj-y += power.o obj-$(CONFIG_ACPI_SYSTEM) += system.o event.o obj-$(CONFIG_ACPI_DEBUG) += debug.o obj-$(CONFIG_ACPI_NUMA) += numa.o diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index d72a1b6c8a9..9b917dac773 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -37,7 +37,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_AC_COMPONENT 0x00020000 #define ACPI_AC_CLASS "ac_adapter" #define ACPI_AC_DEVICE_NAME "AC Adapter" #define ACPI_AC_FILE_STATE "state" @@ -242,7 +241,7 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) acpi_ac_get_state(ac); acpi_bus_generate_proc_event(device, event, (u32) ac->state); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, + dev_name(&device->dev), event, (u32) ac->state); #ifdef CONFIG_ACPI_SYSFS_POWER kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 71d21c51c45..63a17b55b39 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -32,7 +32,6 @@ #include <linux/memory_hotplug.h> #include <acpi/acpi_drivers.h> -#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL #define ACPI_MEMORY_DEVICE_CLASS "memory" #define ACPI_MEMORY_DEVICE_HID "PNP0C80" #define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device" diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index b2133e89ad9..1423b0c0cd2 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -46,7 +46,6 @@ #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF -#define ACPI_BATTERY_COMPONENT 0x00040000 #define ACPI_BATTERY_CLASS "battery" #define ACPI_BATTERY_DEVICE_NAME "Battery" #define ACPI_BATTERY_NOTIFY_STATUS 0x80 @@ -782,7 +781,7 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) acpi_bus_generate_proc_event(device, event, acpi_battery_present(battery)); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, + dev_name(&device->dev), event, acpi_battery_present(battery)); #ifdef CONFIG_ACPI_SYSFS_POWER /* acpi_batter_update could remove power_supply object */ diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index c797c6473f3..7edf6d913c1 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -688,6 +688,14 @@ void __init acpi_early_init(void) if (acpi_disabled) return; + /* + * ACPI CA initializes acpi_dbg_level to non-zero, which means + * we get debug output merely by turning on CONFIG_ACPI_DEBUG. + * Turn it off so we don't get output unless the user specifies + * acpi.debug_level. + */ + acpi_dbg_level = 0; + printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION); /* enable workarounds, unless strict ACPI spec. compliance */ @@ -774,7 +782,7 @@ static int __init acpi_bus_init(void) "Unable to initialize ACPI OS objects\n"); goto error1; } -#ifdef CONFIG_ACPI_EC + /* * ACPI 2.0 requires the EC driver to be loaded and work before * the EC device is found in the namespace (i.e. before acpi_initialize_objects() @@ -785,7 +793,6 @@ static int __init acpi_bus_init(void) */ status = acpi_ec_ecdt_probe(); /* Ignore result. Not having an ECDT is not fatal. */ -#endif status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index cb046c3fc3f..171fd914f43 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -33,7 +33,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_BUTTON_COMPONENT 0x00080000 #define ACPI_BUTTON_CLASS "button" #define ACPI_BUTTON_FILE_INFO "info" #define ACPI_BUTTON_FILE_STATE "state" @@ -479,7 +478,7 @@ static int acpi_button_add(struct acpi_device *device) device->wakeup.gpe_number, ACPI_GPE_TYPE_WAKE_RUN); acpi_enable_gpe(device->wakeup.gpe_device, - device->wakeup.gpe_number, ACPI_NOT_ISR); + device->wakeup.gpe_number); device->wakeup.state.enabled = 1; } diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c index 4441e84b28a..307963bd104 100644 --- a/drivers/acpi/cm_sbs.c +++ b/drivers/acpi/cm_sbs.c @@ -34,7 +34,6 @@ ACPI_MODULE_NAME("cm_sbs"); #define ACPI_AC_CLASS "ac_adapter" #define ACPI_BATTERY_CLASS "battery" -#define ACPI_SBS_COMPONENT 0x00080000 #define _COMPONENT ACPI_SBS_COMPONENT static struct proc_dir_entry *acpi_ac_dir; static struct proc_dir_entry *acpi_battery_dir; @@ -105,9 +104,3 @@ void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param) return; } EXPORT_SYMBOL(acpi_unlock_battery_dir); - -static int __init acpi_cm_sbs_init(void) -{ - return 0; -} -subsys_initcall(acpi_cm_sbs_init); diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 134818b265a..17020c12623 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -41,7 +41,6 @@ #define INSTALL_NOTIFY_HANDLER 1 #define UNINSTALL_NOTIFY_HANDLER 2 -#define ACPI_CONTAINER_COMPONENT 0x01000000 #define _COMPONENT ACPI_CONTAINER_COMPONENT ACPI_MODULE_NAME("container"); diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c index abf36b4b1d1..c4839689200 100644 --- a/drivers/acpi/debug.c +++ b/drivers/acpi/debug.c @@ -44,6 +44,21 @@ static const struct acpi_dlayer acpi_debug_layers[] = { ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER), ACPI_DEBUG_INIT(ACPI_COMPILER), ACPI_DEBUG_INIT(ACPI_TOOLS), + + ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT), + ACPI_DEBUG_INIT(ACPI_AC_COMPONENT), + ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT), + ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT), + ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT), + ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT), + ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT), + ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT), + ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT), + ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT), + ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT), + ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT), + ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT), + ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT), }; static const struct acpi_dlevel acpi_debug_levels[] = { diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index ef42316f89f..cf41f9fc24a 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -70,7 +70,7 @@ enum ec_command { #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ #define ACPI_EC_UDELAY 100 /* Wait 100us before polling EC again */ -#define ACPI_EC_STORM_THRESHOLD 20 /* number of false interrupts +#define ACPI_EC_STORM_THRESHOLD 8 /* number of false interrupts per one transaction */ enum { @@ -100,8 +100,11 @@ struct transaction { u8 *rdata; unsigned short irq_count; u8 command; + u8 wi; + u8 ri; u8 wlen; u8 rlen; + bool done; }; static struct acpi_ec { @@ -178,34 +181,45 @@ static int ec_transaction_done(struct acpi_ec *ec) unsigned long flags; int ret = 0; spin_lock_irqsave(&ec->curr_lock, flags); - if (!ec->curr || (!ec->curr->wlen && !ec->curr->rlen)) + if (!ec->curr || ec->curr->done) ret = 1; spin_unlock_irqrestore(&ec->curr_lock, flags); return ret; } +static void start_transaction(struct acpi_ec *ec) +{ + ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0; + ec->curr->done = false; + acpi_ec_write_cmd(ec, ec->curr->command); +} + static void gpe_transaction(struct acpi_ec *ec, u8 status) { unsigned long flags; spin_lock_irqsave(&ec->curr_lock, flags); if (!ec->curr) goto unlock; - if (ec->curr->wlen > 0) { - if ((status & ACPI_EC_FLAG_IBF) == 0) { - acpi_ec_write_data(ec, *(ec->curr->wdata++)); - --ec->curr->wlen; - } else - /* false interrupt, state didn't change */ - ++ec->curr->irq_count; - - } else if (ec->curr->rlen > 0) { + if (ec->curr->wlen > ec->curr->wi) { + if ((status & ACPI_EC_FLAG_IBF) == 0) + acpi_ec_write_data(ec, + ec->curr->wdata[ec->curr->wi++]); + else + goto err; + } else if (ec->curr->rlen > ec->curr->ri) { if ((status & ACPI_EC_FLAG_OBF) == 1) { - *(ec->curr->rdata++) = acpi_ec_read_data(ec); - --ec->curr->rlen; + ec->curr->rdata[ec->curr->ri++] = acpi_ec_read_data(ec); + if (ec->curr->rlen == ec->curr->ri) + ec->curr->done = true; } else - /* false interrupt, state didn't change */ - ++ec->curr->irq_count; - } + goto err; + } else if (ec->curr->wlen == ec->curr->wi && + (status & ACPI_EC_FLAG_IBF) == 0) + ec->curr->done = true; + goto unlock; +err: + /* false interrupt, state didn't change */ + ++ec->curr->irq_count; unlock: spin_unlock_irqrestore(&ec->curr_lock, flags); } @@ -215,6 +229,15 @@ static int acpi_ec_wait(struct acpi_ec *ec) if (wait_event_timeout(ec->wait, ec_transaction_done(ec), msecs_to_jiffies(ACPI_EC_DELAY))) return 0; + /* try restart command if we get any false interrupts */ + if (ec->curr->irq_count && + (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) { + pr_debug(PREFIX "controller reset, restart transaction\n"); + start_transaction(ec); + if (wait_event_timeout(ec->wait, ec_transaction_done(ec), + msecs_to_jiffies(ACPI_EC_DELAY))) + return 0; + } /* missing GPEs, switch back to poll mode */ if (printk_ratelimit()) pr_info(PREFIX "missing confirmations, " @@ -239,10 +262,10 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state) static int ec_poll(struct acpi_ec *ec) { unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); - msleep(1); + udelay(ACPI_EC_UDELAY); while (time_before(jiffies, delay)) { gpe_transaction(ec, acpi_ec_read_status(ec)); - msleep(1); + udelay(ACPI_EC_UDELAY); if (ec_transaction_done(ec)) return 0; } @@ -259,14 +282,13 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, /* disable GPE during transaction if storm is detected */ if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { clear_bit(EC_FLAGS_GPE_MODE, &ec->flags); - acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_disable_gpe(NULL, ec->gpe); } /* start transaction */ spin_lock_irqsave(&ec->curr_lock, tmp); /* following two actions should be kept atomic */ - t->irq_count = 0; ec->curr = t; - acpi_ec_write_cmd(ec, ec->curr->command); + start_transaction(ec); if (ec->curr->command == ACPI_EC_COMMAND_QUERY) clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags); spin_unlock_irqrestore(&ec->curr_lock, tmp); @@ -283,10 +305,11 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, /* check if we received SCI during transaction */ ec_check_sci(ec, acpi_ec_read_status(ec)); /* it is safe to enable GPE outside of transaction */ - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe); } else if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags) && t->irq_count > ACPI_EC_STORM_THRESHOLD) { - pr_debug(PREFIX "GPE storm detected\n"); + pr_info(PREFIX "GPE storm detected, " + "transactions will use polling mode\n"); set_bit(EC_FLAGS_GPE_STORM, &ec->flags); } return ret; @@ -558,17 +581,26 @@ static u32 acpi_ec_gpe_handler(void *data) pr_debug(PREFIX "~~~> interrupt\n"); status = acpi_ec_read_status(ec); - gpe_transaction(ec, status); - if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0) - wake_up(&ec->wait); + if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) { + gpe_transaction(ec, status); + if (ec_transaction_done(ec) && + (status & ACPI_EC_FLAG_IBF) == 0) + wake_up(&ec->wait); + } ec_check_sci(ec, status); if (!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) && !test_bit(EC_FLAGS_NO_GPE, &ec->flags)) { /* this is non-query, must be confirmation */ - if (printk_ratelimit()) - pr_info(PREFIX "non-query interrupt received," + if (!test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { + if (printk_ratelimit()) + pr_info(PREFIX "non-query interrupt received," + " switching to interrupt mode\n"); + } else { + /* hush, STORM switches the mode every transaction */ + pr_debug(PREFIX "non-query interrupt received," " switching to interrupt mode\n"); + } set_bit(EC_FLAGS_GPE_MODE, &ec->flags); } return ACPI_INTERRUPT_HANDLED; @@ -736,7 +768,7 @@ static acpi_status ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) { acpi_status status; - unsigned long long tmp; + unsigned long long tmp = 0; struct acpi_ec *ec = context; status = acpi_walk_resources(handle, METHOD_NAME__CRS, @@ -751,6 +783,7 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) return status; ec->gpe = tmp; /* Use the global lock for all EC transactions? */ + tmp = 0; acpi_evaluate_integer(handle, "_GLK", NULL, &tmp); ec->global_lock = tmp; ec->handle = handle; @@ -868,7 +901,7 @@ static int ec_install_handlers(struct acpi_ec *ec) if (ACPI_FAILURE(status)) return -ENODEV; acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe); status = acpi_install_address_space_handler(ec->handle, ACPI_ADR_SPACE_EC, &acpi_ec_space_handler, @@ -1007,7 +1040,7 @@ static int acpi_ec_suspend(struct acpi_device *device, pm_message_t state) /* Stop using GPE */ set_bit(EC_FLAGS_NO_GPE, &ec->flags); clear_bit(EC_FLAGS_GPE_MODE, &ec->flags); - acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_disable_gpe(NULL, ec->gpe); return 0; } @@ -1016,7 +1049,7 @@ static int acpi_ec_resume(struct acpi_device *device) struct acpi_ec *ec = acpi_driver_data(device); /* Enable use of GPE back */ clear_bit(EC_FLAGS_NO_GPE, &ec->flags); - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); + acpi_enable_gpe(NULL, ec->gpe); return 0; } diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index c5e53aae86f..f45c74fe745 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -289,8 +289,6 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) */ status = acpi_hw_low_disable_gpe(gpe_event_info); return_ACPI_STATUS(status); - - return_ACPI_STATUS(AE_OK); } /******************************************************************************* diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index 73bfd6bf962..41554f736b6 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -248,21 +248,15 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe_type) * DESCRIPTION: Enable an ACPI event (general purpose) * ******************************************************************************/ -acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) +acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number) { acpi_status status = AE_OK; + acpi_cpu_flags flags; struct acpi_gpe_event_info *gpe_event_info; ACPI_FUNCTION_TRACE(acpi_enable_gpe); - /* Use semaphore lock if not executing at interrupt level */ - - if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Ensure that we have a valid GPE number */ @@ -277,9 +271,7 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) status = acpi_ev_enable_gpe(gpe_event_info, TRUE); unlock_and_exit: - if (flags & ACPI_NOT_ISR) { - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - } + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); } @@ -299,22 +291,15 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe) * DESCRIPTION: Disable an ACPI event (general purpose) * ******************************************************************************/ -acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) +acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number) { acpi_status status = AE_OK; + acpi_cpu_flags flags; struct acpi_gpe_event_info *gpe_event_info; ACPI_FUNCTION_TRACE(acpi_disable_gpe); - /* Use semaphore lock if not executing at interrupt level */ - - if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Ensure that we have a valid GPE number */ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); @@ -325,10 +310,8 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) status = acpi_ev_disable_gpe(gpe_event_info); - unlock_and_exit: - if (flags & ACPI_NOT_ISR) { - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - } +unlock_and_exit: + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); } @@ -521,6 +504,9 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) if (value) *event_status |= ACPI_EVENT_FLAG_SET; + if (acpi_gbl_fixed_event_handlers[event].handler) + *event_status |= ACPI_EVENT_FLAG_HANDLE; + return_ACPI_STATUS(status); } @@ -571,6 +557,9 @@ acpi_get_gpe_status(acpi_handle gpe_device, status = acpi_hw_get_gpe_status(gpe_event_info, event_status); + if (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) + *event_status |= ACPI_EVENT_FLAG_HANDLE; + unlock_and_exit: if (flags & ACPI_NOT_ISR) { (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 60d54d1f6b1..eaaee1660bd 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -34,7 +34,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_FAN_COMPONENT 0x00200000 #define ACPI_FAN_CLASS "fan" #define ACPI_FAN_FILE_STATE "state" diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 24649ada08d..adec3d15810 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -140,6 +140,46 @@ struct device *acpi_get_physical_device(acpi_handle handle) EXPORT_SYMBOL(acpi_get_physical_device); +/* ToDo: When a PCI bridge is found, return the PCI device behind the bridge + * This should work in general, but did not on a Lenovo T61 for the + * graphics card. But this must be fixed when the PCI device is + * bound and the kernel device struct is attached to the acpi device + * Note: A success call will increase reference count by one + * Do call put_device(dev) on the returned device then + */ +struct device *acpi_get_physical_pci_device(acpi_handle handle) +{ + struct device *dev; + long long device_id; + acpi_status status; + + status = + acpi_evaluate_integer(handle, "_ADR", NULL, &device_id); + + if (ACPI_FAILURE(status)) + return NULL; + + /* We need to attempt to determine whether the _ADR refers to a + PCI device or not. There's no terribly good way to do this, + so the best we can hope for is to assume that there'll never + be a device in the host bridge */ + if (device_id >= 0x10000) { + /* It looks like a PCI device. Does it exist? */ + dev = acpi_get_physical_device(handle); + } else { + /* It doesn't look like a PCI device. Does its parent + exist? */ + acpi_handle phandle; + if (acpi_get_parent(handle, &phandle)) + return NULL; + dev = acpi_get_physical_device(phandle); + } + if (!dev) + return NULL; + return dev; +} +EXPORT_SYMBOL(acpi_get_physical_pci_device); + static int acpi_bind_one(struct device *dev, acpi_handle handle) { struct acpi_device *acpi_dev; diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index fcfdef7b4fd..e52ad91ce2d 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -531,7 +531,7 @@ int __init acpi_irq_penalty_init(void) return 0; } -static int acpi_irq_balance; /* 0: static, 1: balance */ +static int acpi_irq_balance = -1; /* 0: static, 1: balance */ static int acpi_pci_link_allocate(struct acpi_pci_link *link) { @@ -950,10 +950,17 @@ device_initcall(irqrouter_init_sysfs); static int __init acpi_pci_link_init(void) { - if (acpi_noirq) return 0; + if (acpi_irq_balance == -1) { + /* no command line switch: enable balancing in IOAPIC mode */ + if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) + acpi_irq_balance = 1; + else + acpi_irq_balance = 0; + } + acpi_link.count = 0; INIT_LIST_HEAD(&acpi_link.entries); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 1b8f67d21d5..642554b1b60 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -376,15 +376,9 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type) static int __init acpi_pci_root_init(void) { - if (acpi_pci_disabled) return 0; - /* DEBUG: - acpi_dbg_layer = ACPI_PCI_COMPONENT; - acpi_dbg_level = 0xFFFFFFFF; - */ - if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0) return -ENODEV; diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index a1718e56103..bb7d50dd281 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -44,9 +44,8 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define _COMPONENT ACPI_POWER_COMPONENT +#define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("power"); -#define ACPI_POWER_COMPONENT 0x00800000 #define ACPI_POWER_CLASS "power_resource" #define ACPI_POWER_DEVICE_NAME "Power Resource" #define ACPI_POWER_FILE_INFO "info" @@ -153,7 +152,8 @@ static int acpi_power_get_state(acpi_handle handle, int *state) ACPI_POWER_RESOURCE_STATE_OFF; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is %s\n", - acpi_ut_get_node_name(handle), state ? "on" : "off")); + acpi_ut_get_node_name(handle), + *state ? "on" : "off")); return 0; } @@ -516,11 +516,6 @@ int acpi_power_transition(struct acpi_device *device, int state) cl = &device->power.states[device->power.state].resources; tl = &device->power.states[state].resources; - if (!cl->count && !tl->count) { - result = -ENODEV; - goto end; - } - /* TBD: Resources must be ordered. */ /* diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 24a362f8034..34948362f41 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -59,7 +59,6 @@ #include <acpi/acpi_drivers.h> #include <acpi/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_DEVICE_NAME "Processor" #define ACPI_PROCESSOR_FILE_INFO "info" @@ -89,6 +88,7 @@ static int acpi_processor_handle_eject(struct acpi_processor *pr); static const struct acpi_device_id processor_device_ids[] = { + {ACPI_PROCESSOR_OBJECT_HID, 0}, {ACPI_PROCESSOR_HID, 0}, {"", 0}, }; @@ -409,7 +409,7 @@ static int acpi_processor_remove_fs(struct acpi_device *device) /* Use the acpiid in MADT to map cpus in case of SMP */ #ifndef CONFIG_SMP -static int get_cpu_id(acpi_handle handle, u32 acpi_id) {return -1;} +static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { return -1; } #else static struct acpi_table_madt *madt; @@ -428,27 +428,35 @@ static int map_lapic_id(struct acpi_subtable_header *entry, } static int map_lsapic_id(struct acpi_subtable_header *entry, - u32 acpi_id, int *apic_id) + int device_declaration, u32 acpi_id, int *apic_id) { struct acpi_madt_local_sapic *lsapic = (struct acpi_madt_local_sapic *)entry; + u32 tmp = (lsapic->id << 8) | lsapic->eid; + /* Only check enabled APICs*/ - if (lsapic->lapic_flags & ACPI_MADT_ENABLED) { - /* First check against id */ - if (lsapic->processor_id == acpi_id) { - *apic_id = (lsapic->id << 8) | lsapic->eid; - return 1; - /* Check against optional uid */ - } else if (entry->length >= 16 && - lsapic->uid == acpi_id) { - *apic_id = lsapic->uid; - return 1; - } - } + if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED)) + return 0; + + /* Device statement declaration type */ + if (device_declaration) { + if (entry->length < 16) + printk(KERN_ERR PREFIX + "Invalid LSAPIC with Device type processor (SAPIC ID %#x)\n", + tmp); + else if (lsapic->uid == acpi_id) + goto found; + /* Processor statement declaration type */ + } else if (lsapic->processor_id == acpi_id) + goto found; + return 0; +found: + *apic_id = tmp; + return 1; } -static int map_madt_entry(u32 acpi_id) +static int map_madt_entry(int type, u32 acpi_id) { unsigned long madt_end, entry; int apic_id = -1; @@ -469,7 +477,7 @@ static int map_madt_entry(u32 acpi_id) if (map_lapic_id(header, acpi_id, &apic_id)) break; } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { - if (map_lsapic_id(header, acpi_id, &apic_id)) + if (map_lsapic_id(header, type, acpi_id, &apic_id)) break; } entry += header->length; @@ -477,7 +485,7 @@ static int map_madt_entry(u32 acpi_id) return apic_id; } -static int map_mat_entry(acpi_handle handle, u32 acpi_id) +static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; @@ -500,7 +508,7 @@ static int map_mat_entry(acpi_handle handle, u32 acpi_id) if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) { map_lapic_id(header, acpi_id, &apic_id); } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { - map_lsapic_id(header, acpi_id, &apic_id); + map_lsapic_id(header, type, acpi_id, &apic_id); } exit: @@ -509,14 +517,14 @@ exit: return apic_id; } -static int get_cpu_id(acpi_handle handle, u32 acpi_id) +static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { int i; int apic_id = -1; - apic_id = map_mat_entry(handle, acpi_id); + apic_id = map_mat_entry(handle, type, acpi_id); if (apic_id == -1) - apic_id = map_madt_entry(acpi_id); + apic_id = map_madt_entry(type, acpi_id); if (apic_id == -1) return apic_id; @@ -532,15 +540,16 @@ static int get_cpu_id(acpi_handle handle, u32 acpi_id) Driver Interface -------------------------------------------------------------------------- */ -static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) +static int acpi_processor_get_info(struct acpi_device *device) { acpi_status status = 0; union acpi_object object = { 0 }; struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; - int cpu_index; + struct acpi_processor *pr; + int cpu_index, device_declaration = 0; static int cpu0_initialized; - + pr = acpi_driver_data(device); if (!pr) return -EINVAL; @@ -561,22 +570,23 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No bus mastering arbitration control\n")); - /* Check if it is a Device with HID and UID */ - if (has_uid) { + if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_HID)) { + /* + * Declared with "Device" statement; match _UID. + * Note that we don't handle string _UIDs yet. + */ unsigned long long value; status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID, NULL, &value); if (ACPI_FAILURE(status)) { - printk(KERN_ERR PREFIX "Evaluating processor _UID\n"); + printk(KERN_ERR PREFIX + "Evaluating processor _UID [%#x]\n", status); return -ENODEV; } + device_declaration = 1; pr->acpi_id = value; } else { - /* - * Evalute the processor object. Note that it is common on SMP to - * have the first (boot) processor with a valid PBLK address while - * all others have a NULL address. - */ + /* Declared with "Processor" statement; match ProcessorID */ status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "Evaluating processor object\n"); @@ -584,12 +594,13 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) } /* - * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. - * >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c - */ + * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. + * >>> 'acpi_get_processor_id(acpi_id, &id)' in + * arch/xxx/acpi.c + */ pr->acpi_id = object.processor.proc_id; } - cpu_index = get_cpu_id(pr->handle, pr->acpi_id); + cpu_index = get_cpu_id(pr->handle, device_declaration, pr->acpi_id); /* Handle UP system running SMP kernel, with no LAPIC in MADT */ if (!cpu0_initialized && (cpu_index == -1) && @@ -661,7 +672,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) pr = acpi_driver_data(device); - result = acpi_processor_get_info(pr, device->flags.unique_id); + result = acpi_processor_get_info(device); if (result) { /* Processor is physically not present */ return 0; @@ -761,20 +772,20 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) acpi_bus_generate_proc_event(device, event, pr->performance_platform_limit); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, + dev_name(&device->dev), event, pr->performance_platform_limit); break; case ACPI_PROCESSOR_NOTIFY_POWER: acpi_processor_cst_has_changed(pr); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); break; case ACPI_PROCESSOR_NOTIFY_THROTTLING: acpi_processor_tstate_has_changed(pr); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 81b40ed5379..5f8d746a9b8 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -59,7 +59,6 @@ #include <acpi/processor.h> #include <asm/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_idle"); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index dbcf260ea93..0d7b772bef5 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -44,9 +44,9 @@ #endif #include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> #include <acpi/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_FILE_PERFORMANCE "performance" #define _COMPONENT ACPI_PROCESSOR_COMPONENT diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index ef34b18f95c..b1eb376fae4 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -40,7 +40,6 @@ #include <acpi/processor.h> #include <acpi/acpi_drivers.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_thermal"); diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 3da2df93d92..a0c38c94a8a 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -38,9 +38,9 @@ #include <asm/uaccess.h> #include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> #include <acpi/processor.h> -#define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_throttling"); diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index 755baf2ca70..a6b662c00b6 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -15,28 +15,9 @@ void acpi_reboot(void) rr = &acpi_gbl_FADT.reset_register; - /* - * Is the ACPI reset register supported? - * - * According to ACPI 3.0, FADT.flags.RESET_REG_SUP indicates - * whether the ACPI reset mechanism is supported. - * - * However, some boxes have this bit clear, yet a valid - * ACPI_RESET_REG & RESET_VALUE, and ACPI reboot is the only - * mechanism that works for them after S3. - * - * This suggests that other operating systems may not be checking - * the RESET_REG_SUP bit, and are using other means to decide - * whether to use the ACPI reboot mechanism or not. - * - * So when acpi reboot is requested, - * only the reset_register is checked. If the following - * conditions are met, it indicates that the reset register is supported. - * a. reset_register is not zero - * b. the access width is eight - * c. the bit_offset is zero - */ - if (!(rr->address) || rr->bit_width != 8 || rr->bit_offset != 0) + /* Is the reset register supported? */ + if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) || + rr->bit_width != 8 || rr->bit_offset != 0) return; reset_value = acpi_gbl_FADT.reset_value; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index a9dda8e0f9f..bd5253ee5c8 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -109,8 +109,7 @@ static int acpi_bus_hot_remove_device(void *context) return 0; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Hot-removing device %s...\n", device->dev.bus_id)); - + "Hot-removing device %s...\n", dev_name(&device->dev))); if (acpi_bus_trim(device, 1)) { printk(KERN_ERR PREFIX @@ -460,7 +459,7 @@ static int acpi_device_register(struct acpi_device *device, acpi_device_bus_id->instance_no = 0; list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list); } - sprintf(device->dev.bus_id, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no); + dev_set_name(&device->dev, "%s:%02x", acpi_device_bus_id->bus_id, acpi_device_bus_id->instance_no); if (device->parent) { list_add_tail(&device->node, &device->parent->children); @@ -484,7 +483,8 @@ static int acpi_device_register(struct acpi_device *device, result = acpi_device_setup_files(device); if(result) - printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n", device->dev.bus_id); + printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n", + dev_name(&device->dev)); device->removal_type = ACPI_BUS_REMOVAL_NORMAL; return 0; @@ -919,36 +919,6 @@ static void acpi_device_get_busid(struct acpi_device *device, } } -static int -acpi_video_bus_match(struct acpi_device *device) -{ - acpi_handle h_dummy; - - if (!device) - return -EINVAL; - - /* Since there is no HID, CID for ACPI Video drivers, we have - * to check well known required nodes for each feature we support. - */ - - /* Does this device able to support video switching ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy))) - return 0; - - /* Does this device able to retrieve a video ROM ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy))) - return 0; - - /* Does this device able to configure which video head to be POSTed ? */ - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy)) && - ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy))) - return 0; - - return -ENODEV; -} - /* * acpi_bay_match - see if a device is an ejectable driver bay * @@ -1031,7 +1001,7 @@ static void acpi_device_set_id(struct acpi_device *device, will get autoloaded and the device might still match against another driver. */ - if (ACPI_SUCCESS(acpi_video_bus_match(device))) + if (acpi_is_video_device(device)) cid_add = ACPI_VIDEO_HID; else if (ACPI_SUCCESS(acpi_bay_match(device))) cid_add = ACPI_BAY_HID; @@ -1043,7 +1013,7 @@ static void acpi_device_set_id(struct acpi_device *device, hid = ACPI_POWER_HID; break; case ACPI_BUS_TYPE_PROCESSOR: - hid = ACPI_PROCESSOR_HID; + hid = ACPI_PROCESSOR_OBJECT_HID; break; case ACPI_BUS_TYPE_SYSTEM: hid = ACPI_SYSTEM_HID; diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index 631ee2ee2ca..64e591ba86f 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -366,8 +366,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) dev->wakeup.state.enabled ? "enabled" : "disabled"); if (ldev) seq_printf(seq, "%s:%s", - ldev->bus ? ldev->bus->name : "no-bus", - ldev->bus_id); + dev_name(ldev) ? ldev->bus->name : "no-bus", + dev_name(ldev)); seq_printf(seq, "\n"); put_device(ldev); diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c index 38655eb132d..dea4c23df76 100644 --- a/drivers/acpi/sleep/wakeup.c +++ b/drivers/acpi/sleep/wakeup.c @@ -88,7 +88,7 @@ void acpi_enable_wakeup_device(u8 sleep_state) spin_unlock(&acpi_device_lock); if (!dev->wakeup.flags.run_wake) acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_ISR); + dev->wakeup.gpe_number); spin_lock(&acpi_device_lock); } spin_unlock(&acpi_device_lock); @@ -122,7 +122,7 @@ void acpi_disable_wakeup_device(u8 sleep_state) ACPI_GPE_TYPE_WAKE_RUN); /* Re-enable it, since set_gpe_type will disable it */ acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + dev->wakeup.gpe_number); spin_lock(&acpi_device_lock); } continue; @@ -133,7 +133,7 @@ void acpi_disable_wakeup_device(u8 sleep_state) /* Never disable run-wake GPE */ if (!dev->wakeup.flags.run_wake) { acpi_disable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + dev->wakeup.gpe_number); acpi_clear_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number, ACPI_NOT_ISR); } @@ -162,7 +162,7 @@ static int __init acpi_wakeup_device_init(void) dev->wakeup.gpe_number, ACPI_GPE_TYPE_WAKE_RUN); acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, ACPI_NOT_ISR); + dev->wakeup.gpe_number); dev->wakeup.state.enabled = 1; spin_lock(&acpi_device_lock); } diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 1d74171b794..6e4107f8240 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -78,9 +78,15 @@ static ssize_t acpi_table_show(struct kobject *kobj, container_of(bin_attr, struct acpi_table_attr, attr); struct acpi_table_header *table_header = NULL; acpi_status status; + char name[ACPI_NAME_SIZE]; + + if (strncmp(table_attr->name, "NULL", 4)) + memcpy(name, table_attr->name, ACPI_NAME_SIZE); + else + memcpy(name, "\0\0\0\0", 4); status = - acpi_get_table(table_attr->name, table_attr->instance, + acpi_get_table(name, table_attr->instance, &table_header); if (ACPI_FAILURE(status)) return -ENODEV; @@ -95,21 +101,24 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr, struct acpi_table_header *header = NULL; struct acpi_table_attr *attr = NULL; - memcpy(table_attr->name, table_header->signature, ACPI_NAME_SIZE); + if (table_header->signature[0] != '\0') + memcpy(table_attr->name, table_header->signature, + ACPI_NAME_SIZE); + else + memcpy(table_attr->name, "NULL", 4); list_for_each_entry(attr, &acpi_table_attr_list, node) { - if (!memcmp(table_header->signature, attr->name, - ACPI_NAME_SIZE)) + if (!memcmp(table_attr->name, attr->name, ACPI_NAME_SIZE)) if (table_attr->instance < attr->instance) table_attr->instance = attr->instance; } table_attr->instance++; if (table_attr->instance > 1 || (table_attr->instance == 1 && - !acpi_get_table(table_header-> - signature, 2, - &header))) - sprintf(table_attr->name + 4, "%d", table_attr->instance); + !acpi_get_table + (table_header->signature, 2, &header))) + sprintf(table_attr->name + ACPI_NAME_SIZE, "%d", + table_attr->instance); table_attr->attr.size = 0; table_attr->attr.read = acpi_table_show; @@ -167,7 +176,6 @@ static int acpi_system_sysfs_init(void) #define COUNT_ERROR 2 /* other */ #define NUM_COUNTERS_EXTRA 3 -#define ACPI_EVENT_VALID 0x01 struct event_counter { u32 count; u32 flags; @@ -312,12 +320,6 @@ static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle) } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS)) result = acpi_get_event_status(index - num_gpes, status); - /* - * sleep/power button GPE/Fixed Event is enabled after acpi_system_init, - * check the status at runtime and mark it as valid once it's enabled - */ - if (!result && (*status & ACPI_EVENT_FLAG_ENABLED)) - all_counters[index].flags |= ACPI_EVENT_VALID; end: return result; } @@ -346,12 +348,14 @@ static ssize_t counter_show(struct kobject *kobj, if (result) goto end; - if (!(all_counters[index].flags & ACPI_EVENT_VALID)) - size += sprintf(buf + size, " invalid"); + if (!(status & ACPI_EVENT_FLAG_HANDLE)) + size += sprintf(buf + size, " invalid"); else if (status & ACPI_EVENT_FLAG_ENABLED) - size += sprintf(buf + size, " enable"); + size += sprintf(buf + size, " enabled"); + else if (status & ACPI_EVENT_FLAG_WAKE_ENABLED) + size += sprintf(buf + size, " wake_enabled"); else - size += sprintf(buf + size, " disable"); + size += sprintf(buf + size, " disabled"); end: size += sprintf(buf + size, "\n"); @@ -385,7 +389,7 @@ static ssize_t counter_set(struct kobject *kobj, if (result) goto end; - if (!(all_counters[index].flags & ACPI_EVENT_VALID)) { + if (!(status & ACPI_EVENT_FLAG_HANDLE)) { printk(KERN_WARNING PREFIX "Can not change Invalid GPE/Fixed Event status\n"); return -EINVAL; @@ -394,10 +398,10 @@ static ssize_t counter_set(struct kobject *kobj, if (index < num_gpes) { if (!strcmp(buf, "disable\n") && (status & ACPI_EVENT_FLAG_ENABLED)) - result = acpi_disable_gpe(handle, index, ACPI_NOT_ISR); + result = acpi_disable_gpe(handle, index); else if (!strcmp(buf, "enable\n") && !(status & ACPI_EVENT_FLAG_ENABLED)) - result = acpi_enable_gpe(handle, index, ACPI_NOT_ISR); + result = acpi_enable_gpe(handle, index); else if (!strcmp(buf, "clear\n") && (status & ACPI_EVENT_FLAG_SET)) result = acpi_clear_gpe(handle, index, ACPI_NOT_ISR); diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c index 2c7885e7ffb..2817158fb6a 100644 --- a/drivers/acpi/tables/tbfadt.c +++ b/drivers/acpi/tables/tbfadt.c @@ -304,7 +304,7 @@ static void acpi_tb_convert_fadt(void) * The ACPI 1.0 reserved fields that will be zeroed are the bytes located at * offset 45, 55, 95, and the word located at offset 109, 110. */ - if (acpi_gbl_FADT.header.revision < 3) { + if (acpi_gbl_FADT.header.revision < FADT2_REVISION_ID) { acpi_gbl_FADT.preferred_profile = 0; acpi_gbl_FADT.pstate_control = 0; acpi_gbl_FADT.cst_control = 0; diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index ad6cae938f0..073ff09218a 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -47,7 +47,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_THERMAL_COMPONENT 0x04000000 #define ACPI_THERMAL_CLASS "thermal_zone" #define ACPI_THERMAL_DEVICE_NAME "Thermal Zone" #define ACPI_THERMAL_FILE_STATE "state" @@ -576,7 +575,7 @@ static int acpi_thermal_critical(struct acpi_thermal *tz) acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled); acpi_bus_generate_netlink_event(tz->device->pnp.device_class, - tz->device->dev.bus_id, + dev_name(&tz->device->dev), ACPI_THERMAL_NOTIFY_CRITICAL, tz->trips.critical.flags.enabled); @@ -605,7 +604,7 @@ static int acpi_thermal_hot(struct acpi_thermal *tz) acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled); acpi_bus_generate_netlink_event(tz->device->pnp.device_class, - tz->device->dev.bus_id, + dev_name(&tz->device->dev), ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled); @@ -1592,14 +1591,14 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data) acpi_thermal_check(tz); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); break; case ACPI_THERMAL_NOTIFY_DEVICES: acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES); acpi_thermal_check(tz); acpi_bus_generate_proc_event(device, event, 0); acpi_bus_generate_netlink_event(device->pnp.device_class, - device->dev.bus_id, event, 0); + dev_name(&device->dev), event, 0); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index a29b0ccac65..baa44192972 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -41,7 +41,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_VIDEO_COMPONENT 0x08000000 #define ACPI_VIDEO_CLASS "video" #define ACPI_VIDEO_BUS_NAME "Video Bus" #define ACPI_VIDEO_DEVICE_NAME "Video Device" @@ -739,7 +738,8 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->cap._DSS = 1; } - max_level = acpi_video_init_brightness(device); + if (acpi_video_backlight_support()) + max_level = acpi_video_init_brightness(device); if (device->cap._BCL && device->cap._BCM && max_level > 0) { int result; @@ -785,18 +785,21 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) printk(KERN_ERR PREFIX "Create sysfs link\n"); } - if (device->cap._DCS && device->cap._DSS){ - static int count = 0; - char *name; - name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); - if (!name) - return; - sprintf(name, "acpi_video%d", count++); - device->output_dev = video_output_register(name, - NULL, device, &acpi_output_properties); - kfree(name); + + if (acpi_video_display_switch_support()) { + + if (device->cap._DCS && device->cap._DSS) { + static int count; + char *name; + name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); + if (!name) + return; + sprintf(name, "acpi_video%d", count++); + device->output_dev = video_output_register(name, + NULL, device, &acpi_output_properties); + kfree(name); + } } - return; } /* @@ -842,11 +845,16 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video) static int acpi_video_bus_check(struct acpi_video_bus *video) { acpi_status status = -ENOENT; - + struct device *dev; if (!video) return -EINVAL; + dev = acpi_get_physical_pci_device(video->device->handle); + if (!dev) + return -ENODEV; + put_device(dev); + /* Since there is no HID, CID and so on for VGA driver, we have * to check well known required nodes. */ @@ -2094,12 +2102,6 @@ static int __init acpi_video_init(void) { int result = 0; - - /* - acpi_dbg_level = 0xFFFFFFFF; - acpi_dbg_layer = 0x08000000; - */ - acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir); if (!acpi_video_dir) return -ENODEV; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c new file mode 100644 index 00000000000..f022eb6f563 --- /dev/null +++ b/drivers/acpi/video_detect.c @@ -0,0 +1,267 @@ +/* + * Copyright (C) 2008 SuSE Linux Products GmbH + * Thomas Renninger <trenn@suse.de> + * + * May be copied or modified under the terms of the GNU General Public License + * + * video_detect.c: + * Provides acpi_is_video_device() for early scanning of ACPI devices in scan.c + * There a Linux specific (Spec does not provide a HID for video devices) is + * assinged + * + * After PCI devices are glued with ACPI devices + * acpi_get_physical_pci_device() can be called to identify ACPI graphics + * devices for which a real graphics card is plugged in + * + * Now acpi_video_get_capabilities() can be called to check which + * capabilities the graphics cards plugged in support. The check for general + * video capabilities will be triggered by the first caller of + * acpi_video_get_capabilities(NULL); which will happen when the first + * backlight (or display output) switching supporting driver calls: + * acpi_video_backlight_support(); + * + * Depending on whether ACPI graphics extensions (cmp. ACPI spec Appendix B) + * are available, video.ko should be used to handle the device. + * + * Otherwise vendor specific drivers like thinkpad_acpi, asus_acpi, + * sony_acpi,... can take care about backlight brightness and display output + * switching. + * + * If CONFIG_ACPI_VIDEO is neither set as "compiled in" (y) nor as a module (m) + * this file will not be compiled, acpi_video_get_capabilities() and + * acpi_video_backlight_support() will always return 0 and vendor specific + * drivers always can handle backlight. + * + */ + +#include <linux/acpi.h> +#include <linux/dmi.h> + +ACPI_MODULE_NAME("video"); +#define _COMPONENT ACPI_VIDEO_COMPONENT + +static long acpi_video_support; +static bool acpi_video_caps_checked; + +static acpi_status +acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context, + void **retyurn_value) +{ + long *cap = context; + acpi_handle h_dummy; + + if (ACPI_SUCCESS(acpi_get_handle(handle, "_BCM", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(handle, "_BCL", &h_dummy))) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found generic backlight " + "support\n")); + *cap |= ACPI_VIDEO_BACKLIGHT; + /* We have backlight support, no need to scan further */ + return AE_CTRL_TERMINATE; + } + return 0; +} + +/* Returns true if the device is a video device which can be handled by + * video.ko. + * The device will get a Linux specific CID added in scan.c to + * identify the device as an ACPI graphics device + * Be aware that the graphics device may not be physically present + * Use acpi_video_get_capabilities() to detect general ACPI video + * capabilities of present cards + */ +long acpi_is_video_device(struct acpi_device *device) +{ + acpi_handle h_dummy; + long video_caps = 0; + + if (!device) + return 0; + + /* Does this device able to support video switching ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy))) + video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING; + + /* Does this device able to retrieve a video ROM ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy))) + video_caps |= ACPI_VIDEO_ROM_AVAILABLE; + + /* Does this device able to configure which video head to be POSTed ? */ + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy)) && + ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy))) + video_caps |= ACPI_VIDEO_DEVICE_POSTING; + + /* Only check for backlight functionality if one of the above hit. */ + if (video_caps) + acpi_walk_namespace(ACPI_TYPE_DEVICE, device->handle, + ACPI_UINT32_MAX, acpi_backlight_cap_match, + &video_caps, NULL); + + return video_caps; +} +EXPORT_SYMBOL(acpi_is_video_device); + +static acpi_status +find_video(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + long *cap = context; + struct device *dev; + struct acpi_device *acpi_dev; + + const struct acpi_device_id video_ids[] = { + {ACPI_VIDEO_HID, 0}, + {"", 0}, + }; + if (acpi_bus_get_device(handle, &acpi_dev)) + return AE_OK; + + if (!acpi_match_device_ids(acpi_dev, video_ids)) { + dev = acpi_get_physical_pci_device(handle); + if (!dev) + return AE_OK; + put_device(dev); + *cap |= acpi_is_video_device(acpi_dev); + } + return AE_OK; +} + +/* + * Returns the video capabilities of a specific ACPI graphics device + * + * if NULL is passed as argument all ACPI devices are enumerated and + * all graphics capabilities of physically present devices are + * summerized and returned. This is cached and done only once. + */ +long acpi_video_get_capabilities(acpi_handle graphics_handle) +{ + long caps = 0; + struct acpi_device *tmp_dev; + acpi_status status; + + if (acpi_video_caps_checked && graphics_handle == NULL) + return acpi_video_support; + + if (!graphics_handle) { + /* Only do the global walk through all graphics devices once */ + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, find_video, + &caps, NULL); + /* There might be boot param flags set already... */ + acpi_video_support |= caps; + acpi_video_caps_checked = 1; + /* Add blacklists here. Be careful to use the right *DMI* bits + * to still be able to override logic via boot params, e.g.: + * + * if (dmi_name_in_vendors("XY")) { + * acpi_video_support |= + * ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR; + * acpi_video_support |= + * ACPI_VIDEO_BACKLIGHT_DMI_VENDOR; + *} + */ + } else { + status = acpi_bus_get_device(graphics_handle, &tmp_dev); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Invalid device")); + return 0; + } + acpi_walk_namespace(ACPI_TYPE_DEVICE, graphics_handle, + ACPI_UINT32_MAX, find_video, + &caps, NULL); + } + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "We have 0x%lX video support %s %s\n", + graphics_handle ? caps : acpi_video_support, + graphics_handle ? "on device " : "in general", + graphics_handle ? acpi_device_bid(tmp_dev) : "")); + return caps; +} +EXPORT_SYMBOL(acpi_video_get_capabilities); + +/* Returns true if video.ko can do backlight switching */ +int acpi_video_backlight_support(void) +{ + /* + * We must check whether the ACPI graphics device is physically plugged + * in. Therefore this must be called after binding PCI and ACPI devices + */ + if (!acpi_video_caps_checked) + acpi_video_get_capabilities(NULL); + + /* First check for boot param -> highest prio */ + if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO) + return 1; + + /* Then check for DMI blacklist -> second highest prio */ + if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_DMI_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_BACKLIGHT_DMI_VIDEO) + return 1; + + /* Then go the default way */ + return acpi_video_support & ACPI_VIDEO_BACKLIGHT; +} +EXPORT_SYMBOL(acpi_video_backlight_support); + +/* + * Returns true if video.ko can do display output switching. + * This does not work well/at all with binary graphics drivers + * which disable system io ranges and do it on their own. + */ +int acpi_video_display_switch_support(void) +{ + if (!acpi_video_caps_checked) + acpi_video_get_capabilities(NULL); + + if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO) + return 1; + + if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR) + return 0; + else if (acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO) + return 1; + + return acpi_video_support & ACPI_VIDEO_OUTPUT_SWITCHING; +} +EXPORT_SYMBOL(acpi_video_display_switch_support); + +/* + * Use acpi_display_output=vendor/video or acpi_backlight=vendor/video + * To force that backlight or display output switching is processed by vendor + * specific acpi drivers or video.ko driver. + */ +int __init acpi_backlight(char *str) +{ + if (str == NULL || *str == '\0') + return 1; + else { + if (!strcmp("vendor", str)) + acpi_video_support |= + ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR; + if (!strcmp("video", str)) + acpi_video_support |= + ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO; + } + return 1; +} +__setup("acpi_backlight=", acpi_backlight); + +int __init acpi_display_output(char *str) +{ + if (str == NULL || *str == '\0') + return 1; + else { + if (!strcmp("vendor", str)) + acpi_video_support |= + ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR; + if (!strcmp("video", str)) + acpi_video_support |= + ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO; + } + return 1; +} +__setup("acpi_display_output=", acpi_display_output); diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c index 47cd7baf9b1..8a8b377712c 100644 --- a/drivers/acpi/wmi.c +++ b/drivers/acpi/wmi.c @@ -660,7 +660,7 @@ static void acpi_wmi_notify(acpi_handle handle, u32 event, void *data) wblock->handler(event, wblock->handler_data); acpi_bus_generate_netlink_event( - device->pnp.device_class, device->dev.bus_id, + device->pnp.device_class, dev_name(&device->dev), event, 0); break; } diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 2457b07dabd..f4374437a03 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -523,7 +523,7 @@ static int acpi_driver_registered; static int sonypi_ec_write(u8 addr, u8 value) { -#ifdef CONFIG_ACPI_EC +#ifdef CONFIG_ACPI if (SONYPI_ACPI_ACTIVE) return ec_write(addr, value); #endif @@ -539,7 +539,7 @@ static int sonypi_ec_write(u8 addr, u8 value) static int sonypi_ec_read(u8 addr, u8 *value) { -#ifdef CONFIG_ACPI_EC +#ifdef CONFIG_ACPI if (SONYPI_ACPI_ACTIVE) return ec_read(addr, value); #endif diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index dc003a3a787..5317e08221e 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -399,8 +399,8 @@ int dma_async_device_register(struct dma_device *device) chan->chan_id = chancnt++; chan->dev.class = &dma_devclass; chan->dev.parent = device->dev; - snprintf(chan->dev.bus_id, BUS_ID_SIZE, "dma%dchan%d", - device->dev_id, chan->chan_id); + dev_set_name(&chan->dev, "dma%dchan%d", + device->dev_id, chan->chan_id); rc = device_register(&chan->dev); if (rc) { diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index d1e381e35a9..ed9636bfb54 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -20,11 +20,11 @@ static unsigned int test_buf_size = 16384; module_param(test_buf_size, uint, S_IRUGO); MODULE_PARM_DESC(test_buf_size, "Size of the memcpy test buffer"); -static char test_channel[BUS_ID_SIZE]; +static char test_channel[20]; module_param_string(channel, test_channel, sizeof(test_channel), S_IRUGO); MODULE_PARM_DESC(channel, "Bus ID of the channel to test (default: any)"); -static char test_device[BUS_ID_SIZE]; +static char test_device[20]; module_param_string(device, test_device, sizeof(test_device), S_IRUGO); MODULE_PARM_DESC(device, "Bus ID of the DMA Engine to test (default: any)"); @@ -80,14 +80,14 @@ static bool dmatest_match_channel(struct dma_chan *chan) { if (test_channel[0] == '\0') return true; - return strcmp(chan->dev.bus_id, test_channel) == 0; + return strcmp(dev_name(&chan->dev), test_channel) == 0; } static bool dmatest_match_device(struct dma_device *device) { if (test_device[0] == '\0') return true; - return strcmp(device->dev->bus_id, test_device) == 0; + return strcmp(dev_name(device->dev), test_device) == 0; } static unsigned long dmatest_random(void) @@ -332,7 +332,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL); if (!dtc) { - pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id); + pr_warning("dmatest: No memory for %s\n", dev_name(&chan->dev)); return DMA_NAK; } @@ -343,16 +343,16 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) thread = kzalloc(sizeof(struct dmatest_thread), GFP_KERNEL); if (!thread) { pr_warning("dmatest: No memory for %s-test%u\n", - chan->dev.bus_id, i); + dev_name(&chan->dev), i); break; } thread->chan = dtc->chan; smp_wmb(); thread->task = kthread_run(dmatest_func, thread, "%s-test%u", - chan->dev.bus_id, i); + dev_name(&chan->dev), i); if (IS_ERR(thread->task)) { pr_warning("dmatest: Failed to run thread %s-test%u\n", - chan->dev.bus_id, i); + dev_name(&chan->dev), i); kfree(thread); break; } @@ -362,7 +362,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) list_add_tail(&thread->node, &dtc->threads); } - pr_info("dmatest: Started %u threads using %s\n", i, chan->dev.bus_id); + pr_info("dmatest: Started %u threads using %s\n", i, dev_name(&chan->dev)); list_add_tail(&dtc->node, &dmatest_channels); nr_channels++; @@ -379,7 +379,7 @@ static enum dma_state_client dmatest_remove_channel(struct dma_chan *chan) list_del(&dtc->node); dmatest_cleanup_channel(dtc); pr_debug("dmatest: lost channel %s\n", - chan->dev.bus_id); + dev_name(&chan->dev)); return DMA_ACK; } } @@ -418,7 +418,7 @@ dmatest_event(struct dma_client *client, struct dma_chan *chan, default: pr_info("dmatest: Unhandled event %u (%s)\n", - state, chan->dev.bus_id); + state, dev_name(&chan->dev)); break; } diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c index 71fba82462c..c7a9306d951 100644 --- a/drivers/dma/iop-adma.c +++ b/drivers/dma/iop-adma.c @@ -411,6 +411,7 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx) int slot_cnt; int slots_per_op; dma_cookie_t cookie; + dma_addr_t next_dma; grp_start = sw_desc->group_head; slot_cnt = grp_start->slot_cnt; @@ -425,12 +426,12 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx) &old_chain_tail->chain_node); /* fix up the hardware chain */ - iop_desc_set_next_desc(old_chain_tail, grp_start->async_tx.phys); + next_dma = grp_start->async_tx.phys; + iop_desc_set_next_desc(old_chain_tail, next_dma); + BUG_ON(iop_desc_get_next_desc(old_chain_tail) != next_dma); /* flush */ - /* 1/ don't add pre-chained descriptors - * 2/ dummy read to flush next_desc write - */ - BUG_ON(iop_desc_get_next_desc(sw_desc)); + /* check for pre-chained descriptors */ + iop_paranoia(iop_desc_get_next_desc(sw_desc)); /* increment the pending count by the number of slots * memcpy operations have a 1:1 (slot:operation) relation diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig index 108264de0ac..f15e90a453d 100644 --- a/drivers/idle/Kconfig +++ b/drivers/idle/Kconfig @@ -1,5 +1,6 @@ menu "Memory power savings" +depends on X86_64 config I7300_IDLE_IOAT_CHANNEL bool @@ -7,7 +8,7 @@ config I7300_IDLE_IOAT_CHANNEL config I7300_IDLE tristate "Intel chipset idle memory power saving driver" select I7300_IDLE_IOAT_CHANNEL - depends on X86_64 && EXPERIMENTAL + depends on EXPERIMENTAL help Enable memory power savings when idle with certain Intel server chipsets. The chipset must have I/O AT support, such as the diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index ecff9804358..160ef482712 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1102,9 +1102,7 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev) char *cp, *next; unsigned fw_maj, fw_min, fw_mic; - rtnl_lock(); lldev->ethtool_ops->get_drvinfo(lldev, &info); - rtnl_unlock(); next = info.fw_version + 1; cp = strsep(&next, "."); @@ -1192,9 +1190,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, ch struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev; PDBG("%s dev 0x%p\n", __func__, dev); - rtnl_lock(); lldev->ethtool_ops->get_drvinfo(lldev, &info); - rtnl_unlock(); return sprintf(buf, "%s\n", info.fw_version); } @@ -1207,9 +1203,7 @@ static ssize_t show_hca(struct device *dev, struct device_attribute *attr, struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev; PDBG("%s dev 0x%p\n", __func__, dev); - rtnl_lock(); lldev->ethtool_ops->get_drvinfo(lldev, &info); - rtnl_unlock(); return sprintf(buf, "%s\n", info.driver); } diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 3e4585c2318..19661b2f040 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -745,7 +745,6 @@ int iwch_post_zb_read(struct iwch_qp *qhp) wqe->read.rdmaop = T3_READ_REQ; wqe->read.reserved[0] = 0; wqe->read.reserved[1] = 0; - wqe->read.reserved[2] = 0; wqe->read.rem_stag = cpu_to_be32(1); wqe->read.rem_to = cpu_to_be64(1); wqe->read.local_stag = cpu_to_be32(1); diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c index cb55be04442..757035ea246 100644 --- a/drivers/infiniband/hw/ehca/ehca_irq.c +++ b/drivers/infiniband/hw/ehca/ehca_irq.c @@ -359,36 +359,48 @@ static void notify_port_conf_change(struct ehca_shca *shca, int port_num) *old_attr = new_attr; } +/* replay modify_qp for sqps -- return 0 if all is well, 1 if AQP1 destroyed */ +static int replay_modify_qp(struct ehca_sport *sport) +{ + int aqp1_destroyed; + unsigned long flags; + + spin_lock_irqsave(&sport->mod_sqp_lock, flags); + + aqp1_destroyed = !sport->ibqp_sqp[IB_QPT_GSI]; + + if (sport->ibqp_sqp[IB_QPT_SMI]) + ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]); + if (!aqp1_destroyed) + ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]); + + spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); + + return aqp1_destroyed; +} + static void parse_ec(struct ehca_shca *shca, u64 eqe) { u8 ec = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe); u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe); u8 spec_event; struct ehca_sport *sport = &shca->sport[port - 1]; - unsigned long flags; switch (ec) { case 0x30: /* port availability change */ if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) { - int suppress_event; - /* replay modify_qp for sqps */ - spin_lock_irqsave(&sport->mod_sqp_lock, flags); - suppress_event = !sport->ibqp_sqp[IB_QPT_GSI]; - if (sport->ibqp_sqp[IB_QPT_SMI]) - ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]); - if (!suppress_event) - ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]); - spin_unlock_irqrestore(&sport->mod_sqp_lock, flags); - - /* AQP1 was destroyed, ignore this event */ - if (suppress_event) - break; + /* only replay modify_qp calls in autodetect mode; + * if AQP1 was destroyed, the port is already down + * again and we can drop the event. + */ + if (ehca_nr_ports < 0) + if (replay_modify_qp(sport)) + break; sport->port_state = IB_PORT_ACTIVE; dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE, "is active"); - ehca_query_sma_attr(shca, port, - &sport->saved_attr); + ehca_query_sma_attr(shca, port, &sport->saved_attr); } else { sport->port_state = IB_PORT_DOWN; dispatch_port_event(shca, port, IB_EVENT_PORT_ERR, diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 4d54b9f6456..9e05ee2db39 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -860,6 +860,11 @@ static struct ehca_qp *internal_create_qp( if (qp_type == IB_QPT_GSI) { h_ret = ehca_define_sqp(shca, my_qp, init_attr); if (h_ret != H_SUCCESS) { + kfree(my_qp->mod_qp_parm); + my_qp->mod_qp_parm = NULL; + /* the QP pointer is no longer valid */ + shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] = + NULL; ret = ehca2ib_return_code(h_ret); goto create_qp_exit6; } diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index fc0f6d9e603..2296832f94d 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -156,7 +156,7 @@ bail: /** * ipath_get_rwqe - copy the next RWQE into the QP's RWQE * @qp: the QP - * @wr_id_only: update wr_id only, not SGEs + * @wr_id_only: update qp->r_wr_id only, not qp->r_sge * * Return 0 if no RWQE is available, otherwise return 1. * @@ -173,8 +173,6 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only) u32 tail; int ret; - qp->r_sge.sg_list = qp->r_sg_list; - if (qp->ibqp.srq) { srq = to_isrq(qp->ibqp.srq); handler = srq->ibsrq.event_handler; @@ -206,8 +204,10 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only) wqe = get_rwqe_ptr(rq, tail); if (++tail >= rq->size) tail = 0; - } while (!wr_id_only && !ipath_init_sge(qp, wqe, &qp->r_len, - &qp->r_sge)); + if (wr_id_only) + break; + qp->r_sge.sg_list = qp->r_sg_list; + } while (!ipath_init_sge(qp, wqe, &qp->r_len, &qp->r_sge)); qp->r_wr_id = wqe->wr_id; wq->tail = tail; diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 87f5c5a87b9..8e4d26d56a9 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -205,6 +205,7 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, goto err_mr; mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key; + mr->umem = NULL; return &mr->ibmr; diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index a2b04d62b1a..aa1dc41f04c 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -95,6 +95,10 @@ unsigned int wqm_quanta = 0x10000; module_param(wqm_quanta, int, 0644); MODULE_PARM_DESC(wqm_quanta, "WQM quanta"); +static unsigned int limit_maxrdreqsz; +module_param(limit_maxrdreqsz, bool, 0644); +MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes"); + LIST_HEAD(nes_adapter_list); static LIST_HEAD(nes_dev_list); @@ -588,6 +592,18 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i nesdev->nesadapter->port_count; } + if ((limit_maxrdreqsz || + ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) && + (hw_rev == NE020_REV1))) && + (pcie_get_readrq(pcidev) > 256)) { + if (pcie_set_readrq(pcidev, 256)) + printk(KERN_ERR PFX "Unable to set max read request" + " to 256 bytes\n"); + else + nes_debug(NES_DBG_INIT, "Max read request size set" + " to 256 bytes\n"); + } + tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev); /* bring up the Control QP */ diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h index 610b9d85959..bc0b4de0445 100644 --- a/drivers/infiniband/hw/nes/nes_hw.h +++ b/drivers/infiniband/hw/nes/nes_hw.h @@ -40,6 +40,7 @@ #define NES_PHY_TYPE_ARGUS 4 #define NES_PHY_TYPE_PUMA_1G 5 #define NES_PHY_TYPE_PUMA_10G 6 +#define NES_PHY_TYPE_GLADIUS 7 #define NES_MULTICAST_PF_MAX 8 diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 932e56fcf77..d36c9a0bf1b 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -220,14 +220,14 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw, if (nesqp->ibqp_state > IB_QPS_RTS) return -EINVAL; - spin_lock_irqsave(&nesqp->lock, flags); + spin_lock_irqsave(&nesqp->lock, flags); head = nesqp->hwqp.sq_head; qsize = nesqp->hwqp.sq_tail; /* Check for SQ overflow */ if (((head + (2 * qsize) - nesqp->hwqp.sq_tail) % qsize) == (qsize - 1)) { - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); return -EINVAL; } @@ -269,7 +269,7 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw, nes_write32(nesdev->regs+NES_WQE_ALLOC, (1 << 24) | 0x00800000 | nesqp->hwqp.qp_id); - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); return 0; } @@ -349,7 +349,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, if (nesfmr->nesmr.pbls_used > nesadapter->free_4kpbl) { spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); ret = -ENOMEM; - goto failed_vpbl_alloc; + goto failed_vpbl_avail; } else { nesadapter->free_4kpbl -= nesfmr->nesmr.pbls_used; } @@ -357,7 +357,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, if (nesfmr->nesmr.pbls_used > nesadapter->free_256pbl) { spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); ret = -ENOMEM; - goto failed_vpbl_alloc; + goto failed_vpbl_avail; } else { nesadapter->free_256pbl -= nesfmr->nesmr.pbls_used; } @@ -391,14 +391,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, goto failed_vpbl_alloc; } - nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_KERNEL); + nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1; + nesfmr->root_vpbl.leaf_vpbl = kzalloc(sizeof(*nesfmr->root_vpbl.leaf_vpbl)*1024, GFP_ATOMIC); if (!nesfmr->root_vpbl.leaf_vpbl) { spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); ret = -ENOMEM; goto failed_leaf_vpbl_alloc; } - nesfmr->leaf_pbl_cnt = nesfmr->nesmr.pbls_used-1; nes_debug(NES_DBG_MR, "two level pbl, root_vpbl.pbl_vbase=%p" " leaf_pbl_cnt=%d root_vpbl.leaf_vpbl=%p\n", nesfmr->root_vpbl.pbl_vbase, nesfmr->leaf_pbl_cnt, nesfmr->root_vpbl.leaf_vpbl); @@ -519,6 +519,16 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, nesfmr->root_vpbl.pbl_pbase); failed_vpbl_alloc: + if (nesfmr->nesmr.pbls_used != 0) { + spin_lock_irqsave(&nesadapter->pbl_lock, flags); + if (nesfmr->nesmr.pbl_4k) + nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used; + else + nesadapter->free_256pbl += nesfmr->nesmr.pbls_used; + spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); + } + +failed_vpbl_avail: kfree(nesfmr); failed_fmr_alloc: @@ -534,18 +544,14 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd, */ static int nes_dealloc_fmr(struct ib_fmr *ibfmr) { + unsigned long flags; struct nes_mr *nesmr = to_nesmr_from_ibfmr(ibfmr); struct nes_fmr *nesfmr = to_nesfmr(nesmr); struct nes_vnic *nesvnic = to_nesvnic(ibfmr->device); struct nes_device *nesdev = nesvnic->nesdev; - struct nes_mr temp_nesmr = *nesmr; + struct nes_adapter *nesadapter = nesdev->nesadapter; int i = 0; - temp_nesmr.ibmw.device = ibfmr->device; - temp_nesmr.ibmw.pd = ibfmr->pd; - temp_nesmr.ibmw.rkey = ibfmr->rkey; - temp_nesmr.ibmw.uobject = NULL; - /* free the resources */ if (nesfmr->leaf_pbl_cnt == 0) { /* single PBL case */ @@ -561,8 +567,24 @@ static int nes_dealloc_fmr(struct ib_fmr *ibfmr) pci_free_consistent(nesdev->pcidev, 8192, nesfmr->root_vpbl.pbl_vbase, nesfmr->root_vpbl.pbl_pbase); } + nesmr->ibmw.device = ibfmr->device; + nesmr->ibmw.pd = ibfmr->pd; + nesmr->ibmw.rkey = ibfmr->rkey; + nesmr->ibmw.uobject = NULL; - return nes_dealloc_mw(&temp_nesmr.ibmw); + if (nesfmr->nesmr.pbls_used != 0) { + spin_lock_irqsave(&nesadapter->pbl_lock, flags); + if (nesfmr->nesmr.pbl_4k) { + nesadapter->free_4kpbl += nesfmr->nesmr.pbls_used; + WARN_ON(nesadapter->free_4kpbl > nesadapter->max_4kpbl); + } else { + nesadapter->free_256pbl += nesfmr->nesmr.pbls_used; + WARN_ON(nesadapter->free_256pbl > nesadapter->max_256pbl); + } + spin_unlock_irqrestore(&nesadapter->pbl_lock, flags); + } + + return nes_dealloc_mw(&nesmr->ibmw); } @@ -1595,7 +1617,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, nes_ucontext->mcrqf = req.mcrqf; if (nes_ucontext->mcrqf) { if (nes_ucontext->mcrqf & 0x80000000) - nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 12 + (nes_ucontext->mcrqf & 0xf) - 1; + nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 28 + 2 * ((nes_ucontext->mcrqf & 0xf) - 1); else if (nes_ucontext->mcrqf & 0x40000000) nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff; else @@ -3212,7 +3234,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, if (nesqp->ibqp_state > IB_QPS_RTS) return -EINVAL; - spin_lock_irqsave(&nesqp->lock, flags); + spin_lock_irqsave(&nesqp->lock, flags); head = nesqp->hwqp.sq_head; @@ -3337,7 +3359,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, (counter << 24) | 0x00800000 | nesqp->hwqp.qp_id); } - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); if (err) *bad_wr = ib_wr; @@ -3368,7 +3390,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr, if (nesqp->ibqp_state > IB_QPS_RTS) return -EINVAL; - spin_lock_irqsave(&nesqp->lock, flags); + spin_lock_irqsave(&nesqp->lock, flags); head = nesqp->hwqp.rq_head; @@ -3421,7 +3443,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr, nes_write32(nesdev->regs+NES_WQE_ALLOC, (counter<<24) | nesqp->hwqp.qp_id); } - spin_unlock_irqrestore(&nesqp->lock, flags); + spin_unlock_irqrestore(&nesqp->lock, flags); if (err) *bad_wr = ib_wr; @@ -3453,7 +3475,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) nes_debug(NES_DBG_CQ, "\n"); - spin_lock_irqsave(&nescq->lock, flags); + spin_lock_irqsave(&nescq->lock, flags); head = nescq->hw_cq.cq_head; cq_size = nescq->hw_cq.cq_size; @@ -3562,7 +3584,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) nes_debug(NES_DBG_CQ, "Reporting %u completions for CQ%u.\n", cqe_count, nescq->hw_cq.cq_number); - spin_unlock_irqrestore(&nescq->lock, flags); + spin_unlock_irqrestore(&nescq->lock, flags); return cqe_count; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index fddded7900d..85257f6b957 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -106,12 +106,13 @@ int ipoib_open(struct net_device *dev) ipoib_dbg(priv, "bringing up interface\n"); - napi_enable(&priv->napi); set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); if (ipoib_pkey_dev_delay_open(dev)) return 0; + napi_enable(&priv->napi); + if (ipoib_ib_dev_open(dev)) { napi_disable(&priv->napi); return -EINVAL; @@ -546,6 +547,7 @@ static int path_rec_start(struct net_device *dev, if (path->query_id < 0) { ipoib_warn(priv, "ib_sa_path_rec_get failed: %d\n", path->query_id); path->query = NULL; + complete(&path->done); return path->query_id; } @@ -662,7 +664,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, skb_push(skb, sizeof *phdr); __skb_queue_tail(&path->queue, skb); - if (path_rec_start(dev, path)) { + if (!path->query && path_rec_start(dev, path)) { spin_unlock_irqrestore(&priv->lock, flags); path_free(dev, path); return; diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 9494400e8fd..4494ad27cbf 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -230,7 +230,7 @@ config HP_WMI config MSI_LAPTOP tristate "MSI Laptop Extras" depends on X86 - depends on ACPI_EC + depends on ACPI depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by MSI (MICRO-STAR @@ -260,7 +260,7 @@ config PANASONIC_LAPTOP config COMPAL_LAPTOP tristate "Compal Laptop Extras" depends on X86 - depends on ACPI_EC + depends on ACPI depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by Compal: diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index 0532a2de2ce..94c9f911824 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -1297,6 +1297,12 @@ static int __init acer_wmi_init(void) set_quirks(); + if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) { + interface->capability &= ~ACER_CAP_BRIGHTNESS; + printk(ACER_INFO "Brightness must be controlled by " + "generic video driver\n"); + } + if (platform_driver_register(&acer_platform_driver)) { printk(ACER_ERR "Unable to register platform driver.\n"); goto error_platform_register; diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c index a9d5228724a..8fb8b359104 100644 --- a/drivers/misc/asus-laptop.c +++ b/drivers/misc/asus-laptop.c @@ -1208,9 +1208,13 @@ static int __init asus_laptop_init(void) dev = acpi_get_physical_device(hotk->device->handle); - result = asus_backlight_init(dev); - if (result) - goto fail_backlight; + if (!acpi_video_backlight_support()) { + result = asus_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(ASUS_INFO "Brightness ignored, must be controlled by " + "ACPI video driver\n"); result = asus_led_init(dev); if (result) diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c index 344b790a625..11003bba10d 100644 --- a/drivers/misc/compal-laptop.c +++ b/drivers/misc/compal-laptop.c @@ -326,12 +326,14 @@ static int __init compal_init(void) /* Register backlight stuff */ - compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, - &compalbl_ops); - if (IS_ERR(compalbl_device)) - return PTR_ERR(compalbl_device); + if (!acpi_video_backlight_support()) { + compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, + &compalbl_ops); + if (IS_ERR(compalbl_device)) + return PTR_ERR(compalbl_device); - compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + } ret = platform_driver_register(&compal_driver); if (ret) diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c index 9ef98b2d503..02fe2b8b893 100644 --- a/drivers/misc/eeepc-laptop.c +++ b/drivers/misc/eeepc-laptop.c @@ -825,9 +825,15 @@ static int __init eeepc_laptop_init(void) return -ENODEV; } dev = acpi_get_physical_device(ehotk->device->handle); - result = eeepc_backlight_init(dev); - if (result) - goto fail_backlight; + + if (!acpi_video_backlight_support()) { + result = eeepc_backlight_init(dev); + if (result) + goto fail_backlight; + } else + printk(EEEPC_INFO "Backlight controlled by ACPI video " + "driver\n"); + result = eeepc_hwmon_init(dev); if (result) goto fail_hwmon; diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index d2cf0bfe316..a7dd3e9fb79 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -464,6 +464,14 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id) return 0; } +static int dmi_check_cb_s6420(const struct dmi_system_id *id) +{ + dmi_check_cb_common(id); + fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ + fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ + return 0; +} + static int dmi_check_cb_p8010(const struct dmi_system_id *id) { dmi_check_cb_common(id); @@ -473,7 +481,7 @@ static int dmi_check_cb_p8010(const struct dmi_system_id *id) return 0; } -static struct dmi_system_id __initdata fujitsu_dmi_table[] = { +static struct dmi_system_id fujitsu_dmi_table[] = { { .ident = "Fujitsu Siemens S6410", .matches = { @@ -482,6 +490,13 @@ static struct dmi_system_id __initdata fujitsu_dmi_table[] = { }, .callback = dmi_check_cb_s6410}, { + .ident = "Fujitsu Siemens S6420", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), + }, + .callback = dmi_check_cb_s6420}, + { .ident = "Fujitsu LifeBook P8010", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), @@ -990,16 +1005,16 @@ static int __init fujitsu_init(void) /* Register backlight stuff */ - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); - if (IS_ERR(fujitsu->bl_device)) - return PTR_ERR(fujitsu->bl_device); - - max_brightness = fujitsu->max_brightness; - - fujitsu->bl_device->props.max_brightness = max_brightness - 1; - fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + if (!acpi_video_backlight_support()) { + fujitsu->bl_device = + backlight_device_register("fujitsu-laptop", NULL, NULL, + &fujitsubl_ops); + if (IS_ERR(fujitsu->bl_device)) + return PTR_ERR(fujitsu->bl_device); + max_brightness = fujitsu->max_brightness; + fujitsu->bl_device->props.max_brightness = max_brightness - 1; + fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + } ret = platform_driver_register(&fujitsupf_driver); if (ret) @@ -1035,7 +1050,8 @@ fail_hotkey: fail_backlight: - backlight_device_unregister(fujitsu->bl_device); + if (fujitsu->bl_device) + backlight_device_unregister(fujitsu->bl_device); fail_platform_device2: @@ -1062,7 +1078,8 @@ static void __exit fujitsu_cleanup(void) &fujitsupf_attribute_group); platform_device_unregister(fujitsu->pf_device); platform_driver_unregister(&fujitsupf_driver); - backlight_device_unregister(fujitsu->bl_device); + if (fujitsu->bl_device) + backlight_device_unregister(fujitsu->bl_device); acpi_bus_unregister_driver(&acpi_fujitsu_driver); diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c index e00a2756e97..27b7662955b 100644 --- a/drivers/misc/intel_menlow.c +++ b/drivers/misc/intel_menlow.c @@ -52,6 +52,11 @@ MODULE_LICENSE("GPL"); #define MEMORY_ARG_CUR_BANDWIDTH 1 #define MEMORY_ARG_MAX_BANDWIDTH 0 +/* + * GTHS returning 'n' would mean that [0,n-1] states are supported + * In that case max_cstate would be n-1 + * GTHS returning '0' would mean that no bandwidth control states are supported + */ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, unsigned long *max_state) { @@ -71,6 +76,9 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, if (ACPI_FAILURE(status)) return -EFAULT; + if (!value) + return -EINVAL; + *max_state = value - 1; return 0; } @@ -121,7 +129,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, if (memory_get_int_max_bandwidth(cdev, &max_state)) return -EFAULT; - if (max_state < 0 || state > max_state) + if (state > max_state) return -EINVAL; arg_list.count = 1; diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c index de898c6938f..759763d18e4 100644 --- a/drivers/misc/msi-laptop.c +++ b/drivers/misc/msi-laptop.c @@ -347,12 +347,16 @@ static int __init msi_init(void) /* Register backlight stuff */ - msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL, - &msibl_ops); - if (IS_ERR(msibl_device)) - return PTR_ERR(msibl_device); - - msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; + if (acpi_video_backlight_support()) { + printk(KERN_INFO "MSI: Brightness ignored, must be controlled " + "by ACPI video driver\n"); + } else { + msibl_device = backlight_device_register("msi-laptop-bl", NULL, + NULL, &msibl_ops); + if (IS_ERR(msibl_device)) + return PTR_ERR(msibl_device); + msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; + } ret = platform_driver_register(&msipf_driver); if (ret) diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 06f07e19dc7..7bcb81002dc 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -1038,7 +1038,11 @@ static int sony_nc_add(struct acpi_device *device) goto outinput; } - if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) { + if (!acpi_video_backlight_support()) { + printk(KERN_INFO DRV_PFX "Sony: Brightness ignored, must be " + "controlled by ACPI video driver\n"); + } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", + &handle))) { sony_backlight_device = backlight_device_register("sony", NULL, NULL, &sony_backlight_ops); diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 4db1cf9078d..7a4a26b0edd 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -4932,16 +4932,25 @@ static int __init brightness_init(struct ibm_init_struct *iibm) */ b = tpacpi_check_std_acpi_brightness_support(); if (b > 0) { - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { - printk(TPACPI_NOTICE - "Lenovo BIOS switched to ACPI backlight " - "control mode\n"); - } - if (brightness_enable > 1) { - printk(TPACPI_NOTICE - "standard ACPI backlight interface " - "available, not loading native one...\n"); - return 1; + + if (acpi_video_backlight_support()) { + if (brightness_enable > 1) { + printk(TPACPI_NOTICE + "Standard ACPI backlight interface " + "available, not loading native one.\n"); + return 1; + } else if (brightness_enable == 1) { + printk(TPACPI_NOTICE + "Backlight control force enabled, even if standard " + "ACPI backlight interface is available\n"); + } + } else { + if (brightness_enable > 1) { + printk(TPACPI_NOTICE + "Standard ACPI backlight interface not " + "available, thinkpad_acpi native " + "brightness control enabled\n"); + } } } diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 1ace41a13ac..5e663ccda4d 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -1307,8 +1307,10 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) u32 fw_vers = 0; u32 tp_vers = 0; + spin_lock(&adapter->stats_lock); t3_get_fw_version(adapter, &fw_vers); t3_get_tp_version(adapter, &tp_vers); + spin_unlock(&adapter->stats_lock); strcpy(info->driver, DRV_NAME); strcpy(info->version, DRV_VERSION); diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h index fa431fad0ee..56a2e213fe6 100644 --- a/drivers/net/mlx4/mlx4.h +++ b/drivers/net/mlx4/mlx4.h @@ -87,6 +87,9 @@ enum { #ifdef CONFIG_MLX4_DEBUG extern int mlx4_debug_level; +#else /* CONFIG_MLX4_DEBUG */ +#define mlx4_debug_level (0) +#endif /* CONFIG_MLX4_DEBUG */ #define mlx4_dbg(mdev, format, arg...) \ do { \ @@ -94,12 +97,6 @@ extern int mlx4_debug_level; dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \ } while (0) -#else /* CONFIG_MLX4_DEBUG */ - -#define mlx4_dbg(mdev, format, arg...) do { (void) mdev; } while (0) - -#endif /* CONFIG_MLX4_DEBUG */ - #define mlx4_err(mdev, format, arg...) \ dev_err(&mdev->pdev->dev, format, ## arg) #define mlx4_info(mdev, format, arg...) \ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 54a279e44c9..e9f6574930e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -380,6 +380,8 @@ struct acpi_bus_type { int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); struct device *acpi_get_physical_device(acpi_handle); +struct device *acpi_get_physical_pci_device(acpi_handle); + /* helper */ acpi_handle acpi_get_child(acpi_handle, acpi_integer); acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index cf04c6011c2..5fc1bb0f4a9 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -31,8 +31,24 @@ #define ACPI_MAX_STRING 80 +/* + * Please update drivers/acpi/debug.c and Documentation/acpi/debug.txt + * if you add to this list. + */ #define ACPI_BUS_COMPONENT 0x00010000 +#define ACPI_AC_COMPONENT 0x00020000 +#define ACPI_BATTERY_COMPONENT 0x00040000 +#define ACPI_BUTTON_COMPONENT 0x00080000 +#define ACPI_SBS_COMPONENT 0x00100000 +#define ACPI_FAN_COMPONENT 0x00200000 +#define ACPI_PCI_COMPONENT 0x00400000 +#define ACPI_POWER_COMPONENT 0x00800000 +#define ACPI_CONTAINER_COMPONENT 0x01000000 #define ACPI_SYSTEM_COMPONENT 0x02000000 +#define ACPI_THERMAL_COMPONENT 0x04000000 +#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000 +#define ACPI_VIDEO_COMPONENT 0x10000000 +#define ACPI_PROCESSOR_COMPONENT 0x20000000 /* * _HID definitions @@ -41,6 +57,7 @@ */ #define ACPI_POWER_HID "LNXPOWER" +#define ACPI_PROCESSOR_OBJECT_HID "ACPI_CPU" #define ACPI_PROCESSOR_HID "ACPI0007" #define ACPI_SYSTEM_HID "LNXSYSTM" #define ACPI_THERMAL_HID "LNXTHERM" @@ -54,7 +71,6 @@ PCI -------------------------------------------------------------------------- */ -#define ACPI_PCI_COMPONENT 0x00400000 /* ACPI PCI Interrupt Link (pci_link.c) */ @@ -86,7 +102,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain, Power Resource -------------------------------------------------------------------------- */ -#ifdef CONFIG_ACPI_POWER int acpi_device_sleep_wake(struct acpi_device *dev, int enable, int sleep_state, int dev_state); int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state); @@ -94,15 +109,12 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev); int acpi_power_get_inferred_state(struct acpi_device *device); int acpi_power_transition(struct acpi_device *device, int state); extern int acpi_power_nocheck; -#endif /* -------------------------------------------------------------------------- Embedded Controller -------------------------------------------------------------------------- */ -#ifdef CONFIG_ACPI_EC int acpi_ec_ecdt_probe(void); int acpi_boot_ec_enable(void); -#endif /* -------------------------------------------------------------------------- Processor diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 94d94e126e9..33bc0e3b195 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -252,9 +252,9 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status); acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type); -acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags); +acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number); -acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags); +acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number); acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags); diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index e8936ab5962..7220361790b 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -525,6 +525,7 @@ typedef u32 acpi_event_status; #define ACPI_EVENT_FLAG_ENABLED (acpi_event_status) 0x01 #define ACPI_EVENT_FLAG_WAKE_ENABLED (acpi_event_status) 0x02 #define ACPI_EVENT_FLAG_SET (acpi_event_status) 0x04 +#define ACPI_EVENT_FLAG_HANDLE (acpi_event_status) 0x08 /* * General Purpose Events (GPE) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index fd6a452b0ce..fba8051fb29 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -163,8 +163,6 @@ struct acpi_pci_driver { int acpi_pci_register_driver(struct acpi_pci_driver *driver); void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); -#ifdef CONFIG_ACPI_EC - extern int ec_read(u8 addr, u8 *val); extern int ec_write(u8 addr, u8 val); extern int ec_transaction(u8 command, @@ -172,8 +170,6 @@ extern int ec_transaction(u8 command, u8 *rdata, unsigned rdata_len, int force_poll); -#endif /*CONFIG_ACPI_EC*/ - #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) typedef void (*wmi_notify_handler) (u32 value, void *context); @@ -194,6 +190,50 @@ extern bool wmi_has_guid(const char *guid); #endif /* CONFIG_ACPI_WMI */ +#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 +#define ACPI_VIDEO_DEVICE_POSTING 0x0002 +#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 +#define ACPI_VIDEO_BACKLIGHT 0x0008 +#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 +#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 +#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 +#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 +#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 +#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 +#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 +#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 + +#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) + +extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); +extern long acpi_is_video_device(struct acpi_device *device); +extern int acpi_video_backlight_support(void); +extern int acpi_video_display_switch_support(void); + +#else + +static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) +{ + return 0; +} + +static inline long acpi_is_video_device(struct acpi_device *device) +{ + return 0; +} + +static inline int acpi_video_backlight_support(void) +{ + return 0; +} + +static inline int acpi_video_display_switch_support(void) +{ + return 0; +} + +#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ + extern int acpi_blacklisted(void); #ifdef CONFIG_DMI extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); diff --git a/mm/mmap.c b/mm/mmap.c index de14ac21e5b..d4855a682ab 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1704,7 +1704,7 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr) vma = find_vma_prev(mm, addr, &prev); if (vma && (vma->vm_start <= addr)) return vma; - if (expand_stack(prev, addr)) + if (!prev || expand_stack(prev, addr)) return NULL; if (prev->vm_flags & VM_LOCKED) { if (mlock_vma_pages_range(prev, addr, prev->vm_end) < 0) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index e6085915d86..4300a679cd8 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -212,7 +212,7 @@ struct sigmatel_spec { /* i/o switches */ unsigned int io_switch[2]; unsigned int clfe_swap; - unsigned int hp_switch; + unsigned int hp_switch; /* NID of HP as line-out */ unsigned int aloopback; struct hda_pcm pcm_rec[2]; /* PCM information */ @@ -2443,7 +2443,7 @@ static int stac92xx_hp_switch_get(struct snd_kcontrol *kcontrol, struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct sigmatel_spec *spec = codec->spec; - ucontrol->value.integer.value[0] = spec->hp_switch; + ucontrol->value.integer.value[0] = !!spec->hp_switch; return 0; } @@ -2452,8 +2452,9 @@ static int stac92xx_hp_switch_put(struct snd_kcontrol *kcontrol, { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct sigmatel_spec *spec = codec->spec; - - spec->hp_switch = ucontrol->value.integer.value[0]; + int nid = kcontrol->private_value; + + spec->hp_switch = ucontrol->value.integer.value[0] ? nid : 0; /* check to be sure that the ports are upto date with * switch changes @@ -2862,7 +2863,8 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec, if (cfg->hp_outs > 1) { err = stac92xx_add_control(spec, STAC_CTL_WIDGET_HP_SWITCH, - "Headphone as Line Out Switch", 0); + "Headphone as Line Out Switch", + cfg->hp_pins[cfg->hp_outs - 1]); if (err < 0) return err; } @@ -3530,6 +3532,12 @@ static int stac9200_parse_auto_config(struct hda_codec *codec) if ((err = stac9200_auto_create_lfe_ctls(codec, &spec->autocfg)) < 0) return err; + if (spec->num_muxes > 0) { + err = stac92xx_auto_create_mux_input_ctls(codec); + if (err < 0) + return err; + } + if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = 0x05; if (spec->autocfg.dig_in_pin) @@ -3647,14 +3655,18 @@ static int stac92xx_init(struct hda_codec *codec) for (i = 0; i < AUTO_PIN_LAST; i++) { hda_nid_t nid = cfg->input_pins[i]; if (nid) { - unsigned int pinctl = snd_hda_codec_read(codec, nid, - 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); - /* if PINCTL already set then skip */ - if (pinctl & AC_PINCAP_IN) - continue; - pinctl = AC_PINCTL_IN_EN; - if (i == AUTO_PIN_MIC || i == AUTO_PIN_FRONT_MIC) - pinctl |= stac92xx_get_vref(codec, nid); + unsigned int pinctl; + if (i == AUTO_PIN_MIC || i == AUTO_PIN_FRONT_MIC) { + /* for mic pins, force to initialize */ + pinctl = stac92xx_get_vref(codec, nid); + } else { + pinctl = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + /* if PINCTL already set then skip */ + if (pinctl & AC_PINCTL_IN_EN) + continue; + } + pinctl |= AC_PINCTL_IN_EN; stac92xx_auto_set_pinctl(codec, nid, pinctl); } } @@ -3776,11 +3788,30 @@ static int get_hp_pin_presence(struct hda_codec *codec, hda_nid_t nid) return 0; } +/* return non-zero if the hp-pin of the given array index isn't + * a jack-detection target + */ +static int no_hp_sensing(struct sigmatel_spec *spec, int i) +{ + struct auto_pin_cfg *cfg = &spec->autocfg; + + /* ignore sensing of shared line and mic jacks */ + if (spec->line_switch && + cfg->hp_pins[i] == cfg->input_pins[AUTO_PIN_LINE]) + return 1; + if (spec->mic_switch && + cfg->hp_pins[i] == cfg->input_pins[AUTO_PIN_MIC]) + return 1; + /* ignore if the pin is set as line-out */ + if (cfg->hp_pins[i] == spec->hp_switch) + return 1; + return 0; +} + static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res) { struct sigmatel_spec *spec = codec->spec; struct auto_pin_cfg *cfg = &spec->autocfg; - int nid = cfg->hp_pins[cfg->hp_outs - 1]; int i, presence; presence = 0; @@ -3791,15 +3822,16 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res) for (i = 0; i < cfg->hp_outs; i++) { if (presence) break; - if (spec->hp_switch && cfg->hp_pins[i] == nid) - break; + if (no_hp_sensing(spec, i)) + continue; presence = get_hp_pin_presence(codec, cfg->hp_pins[i]); } if (presence) { - /* disable lineouts, enable hp */ + /* disable lineouts */ if (spec->hp_switch) - stac92xx_reset_pinctl(codec, nid, AC_PINCTL_OUT_EN); + stac92xx_reset_pinctl(codec, spec->hp_switch, + AC_PINCTL_OUT_EN); for (i = 0; i < cfg->line_outs; i++) stac92xx_reset_pinctl(codec, cfg->line_out_pins[i], AC_PINCTL_OUT_EN); @@ -3811,9 +3843,10 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res) spec->gpio_dir, spec->gpio_data & ~spec->eapd_mask); } else { - /* enable lineouts, disable hp */ + /* enable lineouts */ if (spec->hp_switch) - stac92xx_set_pinctl(codec, nid, AC_PINCTL_OUT_EN); + stac92xx_set_pinctl(codec, spec->hp_switch, + AC_PINCTL_OUT_EN); for (i = 0; i < cfg->line_outs; i++) stac92xx_set_pinctl(codec, cfg->line_out_pins[i], AC_PINCTL_OUT_EN); @@ -3825,8 +3858,16 @@ static void stac92xx_hp_detect(struct hda_codec *codec, unsigned int res) spec->gpio_dir, spec->gpio_data | spec->eapd_mask); } - if (!spec->hp_switch && cfg->hp_outs > 1 && presence) - stac92xx_set_pinctl(codec, nid, AC_PINCTL_OUT_EN); + /* toggle hp outs */ + for (i = 0; i < cfg->hp_outs; i++) { + unsigned int val = AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN; + if (no_hp_sensing(spec, i)) + continue; + if (presence) + stac92xx_set_pinctl(codec, cfg->hp_pins[i], val); + else + stac92xx_reset_pinctl(codec, cfg->hp_pins[i], val); + } } static void stac92xx_pin_sense(struct hda_codec *codec, int idx) |