diff options
author | Rusty Russell <rusty@rustcorp.com.au> | 2009-11-17 17:39:53 -0500 |
---|---|---|
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; | |||
39 | 39 | ||
40 | /* speedstep_processor | 40 | /* speedstep_processor |
41 | */ | 41 | */ |
42 | static unsigned int speedstep_processor; | 42 | static enum speedstep_processor speedstep_processor; |
43 | 43 | ||
44 | static u32 pmbase; | 44 | static u32 pmbase; |
45 | 45 | ||
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; | |||
34 | * GET PROCESSOR CORE SPEED IN KHZ * | 34 | * GET PROCESSOR CORE SPEED IN KHZ * |
35 | *********************************************************************/ | 35 | *********************************************************************/ |
36 | 36 | ||
37 | static unsigned int pentium3_get_frequency(unsigned int processor) | 37 | static unsigned int pentium3_get_frequency(enum speedstep_processor processor) |
38 | { | 38 | { |
39 | /* See table 14 of p3_ds.pdf and table 22 of 29834003.pdf */ | 39 | /* See table 14 of p3_ds.pdf and table 22 of 29834003.pdf */ |
40 | struct { | 40 | struct { |
@@ -227,7 +227,7 @@ static unsigned int pentium4_get_frequency(void) | |||
227 | 227 | ||
228 | 228 | ||
229 | /* Warning: may get called from smp_call_function_single. */ | 229 | /* Warning: may get called from smp_call_function_single. */ |
230 | unsigned int speedstep_get_frequency(unsigned int processor) | 230 | unsigned int speedstep_get_frequency(enum speedstep_processor processor) |
231 | { | 231 | { |
232 | switch (processor) { | 232 | switch (processor) { |
233 | case SPEEDSTEP_CPU_PCORE: | 233 | case SPEEDSTEP_CPU_PCORE: |
@@ -380,7 +380,7 @@ EXPORT_SYMBOL_GPL(speedstep_detect_processor); | |||
380 | * DETECT SPEEDSTEP SPEEDS * | 380 | * DETECT SPEEDSTEP SPEEDS * |
381 | *********************************************************************/ | 381 | *********************************************************************/ |
382 | 382 | ||
383 | unsigned int speedstep_get_freqs(unsigned int processor, | 383 | unsigned int speedstep_get_freqs(enum speedstep_processor processor, |
384 | unsigned int *low_speed, | 384 | unsigned int *low_speed, |
385 | unsigned int *high_speed, | 385 | unsigned int *high_speed, |
386 | unsigned int *transition_latency, | 386 | 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 @@ | |||
11 | 11 | ||
12 | 12 | ||
13 | /* processors */ | 13 | /* processors */ |
14 | 14 | enum speedstep_processor { | |
15 | #define SPEEDSTEP_CPU_PIII_C_EARLY 0x00000001 /* Coppermine core */ | 15 | SPEEDSTEP_CPU_PIII_C_EARLY = 0x00000001, /* Coppermine core */ |
16 | #define SPEEDSTEP_CPU_PIII_C 0x00000002 /* Coppermine core */ | 16 | SPEEDSTEP_CPU_PIII_C = 0x00000002, /* Coppermine core */ |
17 | #define SPEEDSTEP_CPU_PIII_T 0x00000003 /* Tualatin core */ | 17 | SPEEDSTEP_CPU_PIII_T = 0x00000003, /* Tualatin core */ |
18 | #define SPEEDSTEP_CPU_P4M 0x00000004 /* P4-M */ | 18 | SPEEDSTEP_CPU_P4M = 0x00000004, /* P4-M */ |
19 | |||
20 | /* the following processors are not speedstep-capable and are not auto-detected | 19 | /* the following processors are not speedstep-capable and are not auto-detected |
21 | * in speedstep_detect_processor(). However, their speed can be detected using | 20 | * in speedstep_detect_processor(). However, their speed can be detected using |
22 | * the speedstep_get_frequency() call. */ | 21 | * the speedstep_get_frequency() call. */ |
23 | #define SPEEDSTEP_CPU_PM 0xFFFFFF03 /* Pentium M */ | 22 | SPEEDSTEP_CPU_PM = 0xFFFFFF03, /* Pentium M */ |
24 | #define SPEEDSTEP_CPU_P4D 0xFFFFFF04 /* desktop P4 */ | 23 | SPEEDSTEP_CPU_P4D = 0xFFFFFF04, /* desktop P4 */ |
25 | #define SPEEDSTEP_CPU_PCORE 0xFFFFFF05 /* Core */ | 24 | SPEEDSTEP_CPU_PCORE = 0xFFFFFF05, /* Core */ |
25 | }; | ||
26 | 26 | ||
27 | /* speedstep states -- only two of them */ | 27 | /* speedstep states -- only two of them */ |
28 | 28 | ||
@@ -31,10 +31,10 @@ | |||
31 | 31 | ||
32 | 32 | ||
33 | /* detect a speedstep-capable processor */ | 33 | /* detect a speedstep-capable processor */ |
34 | extern unsigned int speedstep_detect_processor (void); | 34 | extern enum speedstep_processor speedstep_detect_processor(void); |
35 | 35 | ||
36 | /* detect the current speed (in khz) of the processor */ | 36 | /* detect the current speed (in khz) of the processor */ |
37 | extern unsigned int speedstep_get_frequency(unsigned int processor); | 37 | extern unsigned int speedstep_get_frequency(enum speedstep_processor processor); |
38 | 38 | ||
39 | 39 | ||
40 | /* detect the low and high speeds of the processor. The callback | 40 | /* detect the low and high speeds of the processor. The callback |
@@ -42,7 +42,7 @@ extern unsigned int speedstep_get_frequency(unsigned int processor); | |||
42 | * SPEEDSTEP_LOW; the second argument is zero so that no | 42 | * SPEEDSTEP_LOW; the second argument is zero so that no |
43 | * cpufreq_notify_transition calls are initiated. | 43 | * cpufreq_notify_transition calls are initiated. |
44 | */ | 44 | */ |
45 | extern unsigned int speedstep_get_freqs(unsigned int processor, | 45 | extern unsigned int speedstep_get_freqs(enum speedstep_processor processor, |
46 | unsigned int *low_speed, | 46 | unsigned int *low_speed, |
47 | unsigned int *high_speed, | 47 | unsigned int *high_speed, |
48 | unsigned int *transition_latency, | 48 | 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; | |||
35 | static unsigned int smi_sig; | 35 | static unsigned int smi_sig; |
36 | 36 | ||
37 | /* info about the processor */ | 37 | /* info about the processor */ |
38 | static unsigned int speedstep_processor; | 38 | static enum speedstep_processor speedstep_processor; |
39 | 39 | ||
40 | /* | 40 | /* |
41 | * There are only two frequency states for each processor. Values | 41 | * There are only two frequency states for each processor. Values |