diff options
author | Rusty Russell <rusty@rustcorp.com.au> | 2009-11-17 14:39:53 -0800 |
---|---|---|
committer | Dave Jones <davej@redhat.com> | 2009-11-24 13:33:34 -0500 |
commit | 1cce76c2ac60df40b02bf747982fb3f00e68f50a (patch) | |
tree | 1b59d82a0b71f9d9607c66d4294994baecd47dfd /arch/x86/kernel/cpu/cpufreq | |
parent | bbe237aafeaae37a1088f2a95ebe81ff81d9e646 (diff) |
[CPUFREQ] use an enum for speedstep processor identification
The "unsigned int processor" everywhere confused Rusty, leading to
breakage when he passed in smp_processor_id().
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-ich.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-lib.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-lib.h | 24 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/speedstep-smi.c | 2 |
4 files changed, 17 insertions, 17 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c index 3ae5a7a3a500..2ce8e0b5cc54 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c @@ -39,7 +39,7 @@ static struct pci_dev *speedstep_chipset_dev; /* speedstep_processor */ -static unsigned int speedstep_processor; +static enum speedstep_processor speedstep_processor; static u32 pmbase; diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c index f4c290b8482f..ad0083abfa23 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c @@ -34,7 +34,7 @@ static int relaxed_check; * GET PROCESSOR CORE SPEED IN KHZ * *********************************************************************/ -static unsigned int pentium3_get_frequency(unsigned int processor) +static unsigned int pentium3_get_frequency(enum speedstep_processor processor) { /* See table 14 of p3_ds.pdf and table 22 of 29834003.pdf */ struct { @@ -227,7 +227,7 @@ static unsigned int pentium4_get_frequency(void) /* Warning: may get called from smp_call_function_single. */ -unsigned int speedstep_get_frequency(unsigned int processor) +unsigned int speedstep_get_frequency(enum speedstep_processor processor) { switch (processor) { case SPEEDSTEP_CPU_PCORE: @@ -380,7 +380,7 @@ EXPORT_SYMBOL_GPL(speedstep_detect_processor); * DETECT SPEEDSTEP SPEEDS * *********************************************************************/ -unsigned int speedstep_get_freqs(unsigned int processor, +unsigned int speedstep_get_freqs(enum speedstep_processor processor, unsigned int *low_speed, unsigned int *high_speed, unsigned int *transition_latency, diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h index 2b6c04e5a304..70d9cea1219d 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h @@ -11,18 +11,18 @@ /* processors */ - -#define SPEEDSTEP_CPU_PIII_C_EARLY 0x00000001 /* Coppermine core */ -#define SPEEDSTEP_CPU_PIII_C 0x00000002 /* Coppermine core */ -#define SPEEDSTEP_CPU_PIII_T 0x00000003 /* Tualatin core */ -#define SPEEDSTEP_CPU_P4M 0x00000004 /* P4-M */ - +enum speedstep_processor { + SPEEDSTEP_CPU_PIII_C_EARLY = 0x00000001, /* Coppermine core */ + SPEEDSTEP_CPU_PIII_C = 0x00000002, /* Coppermine core */ + SPEEDSTEP_CPU_PIII_T = 0x00000003, /* Tualatin core */ + SPEEDSTEP_CPU_P4M = 0x00000004, /* P4-M */ /* the following processors are not speedstep-capable and are not auto-detected * in speedstep_detect_processor(). However, their speed can be detected using * the speedstep_get_frequency() call. */ -#define SPEEDSTEP_CPU_PM 0xFFFFFF03 /* Pentium M */ -#define SPEEDSTEP_CPU_P4D 0xFFFFFF04 /* desktop P4 */ -#define SPEEDSTEP_CPU_PCORE 0xFFFFFF05 /* Core */ + SPEEDSTEP_CPU_PM = 0xFFFFFF03, /* Pentium M */ + SPEEDSTEP_CPU_P4D = 0xFFFFFF04, /* desktop P4 */ + SPEEDSTEP_CPU_PCORE = 0xFFFFFF05, /* Core */ +}; /* speedstep states -- only two of them */ @@ -31,10 +31,10 @@ /* detect a speedstep-capable processor */ -extern unsigned int speedstep_detect_processor (void); +extern enum speedstep_processor speedstep_detect_processor(void); /* detect the current speed (in khz) of the processor */ -extern unsigned int speedstep_get_frequency(unsigned int processor); +extern unsigned int speedstep_get_frequency(enum speedstep_processor processor); /* detect the low and high speeds of the processor. The callback @@ -42,7 +42,7 @@ extern unsigned int speedstep_get_frequency(unsigned int processor); * SPEEDSTEP_LOW; the second argument is zero so that no * cpufreq_notify_transition calls are initiated. */ -extern unsigned int speedstep_get_freqs(unsigned int processor, +extern unsigned int speedstep_get_freqs(enum speedstep_processor processor, unsigned int *low_speed, unsigned int *high_speed, unsigned int *transition_latency, diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c index befea088e4f5..04d73c114e49 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c @@ -35,7 +35,7 @@ static int smi_cmd; static unsigned int smi_sig; /* info about the processor */ -static unsigned int speedstep_processor; +static enum speedstep_processor speedstep_processor; /* * There are only two frequency states for each processor. Values |