diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2010-09-17 15:36:40 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-09-17 15:36:40 -0700 |
| commit | bc83cccc761953f878088cdfa682de0970b5561f (patch) | |
| tree | 32b2ab4495b28b8d579ad35926d96eeee1ccd0aa /arch/x86 | |
| parent | 49553c2ef88749dd502687f4eb9c258bb10a4f44 (diff) | |
| download | kernel_samsung_smdk4412-bc83cccc761953f878088cdfa682de0970b5561f.zip kernel_samsung_smdk4412-bc83cccc761953f878088cdfa682de0970b5561f.tar.gz kernel_samsung_smdk4412-bc83cccc761953f878088cdfa682de0970b5561f.tar.bz2 | |
x86, mwait: Move mwait constants to a common header file
We have MWAIT constants spread across three different .c files, for no
good reason. Move them all into a common header file.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Reviewed-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <tip-*@git.kernel.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/mwait.h | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/acpi/cstate.c | 11 |
2 files changed, 16 insertions, 10 deletions
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h new file mode 100644 index 0000000..bcdff99 --- /dev/null +++ b/arch/x86/include/asm/mwait.h @@ -0,0 +1,15 @@ +#ifndef _ASM_X86_MWAIT_H +#define _ASM_X86_MWAIT_H + +#define MWAIT_SUBSTATE_MASK 0xf +#define MWAIT_CSTATE_MASK 0xf +#define MWAIT_SUBSTATE_SIZE 4 +#define MWAIT_MAX_NUM_CSTATES 8 + +#define CPUID_MWAIT_LEAF 5 +#define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1 +#define CPUID5_ECX_INTERRUPT_BREAK 0x2 + +#define MWAIT_ECX_INTERRUPT_BREAK 0x1 + +#endif /* _ASM_X86_MWAIT_H */ diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index fb7a5f0..bcc4add 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c @@ -13,6 +13,7 @@ #include <acpi/processor.h> #include <asm/acpi.h> +#include <asm/mwait.h> /* * Initialize bm_flags based on the CPU cache properties @@ -65,16 +66,6 @@ static struct cstate_entry *cpu_cstate_entry; /* per CPU ptr */ static short mwait_supported[ACPI_PROCESSOR_MAX_POWER]; -#define MWAIT_SUBSTATE_MASK (0xf) -#define MWAIT_CSTATE_MASK (0xf) -#define MWAIT_SUBSTATE_SIZE (4) - -#define CPUID_MWAIT_LEAF (5) -#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1) -#define CPUID5_ECX_INTERRUPT_BREAK (0x2) - -#define MWAIT_ECX_INTERRUPT_BREAK (0x1) - #define NATIVE_CSTATE_BEYOND_HALT (2) static long acpi_processor_ffh_cstate_probe_cpu(void *_cx) |