lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[CPUFREQ] checkpatch cleanups for longrun

Browse Source 
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Dave Jones
2009-01-17 23:32:50 -05:00
parent ac617bd0f7
commit 48ee923a66
1 changed files with 14 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
arch/x86/kernel/cpu/cpufreq/longrun.c
View File

@@ -11,12 +11,13 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/cpufreq.h> #include <linux/cpufreq.h>
#include <linux/timex.h>
#include <asm/msr.h> #include <asm/msr.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/timex.h>
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "longrun", msg) #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
"longrun", msg)
static struct cpufreq_driver longrun_driver; static struct cpufreq_driver longrun_driver;
@@ -51,7 +52,7 @@ static void __init longrun_get_policy(struct cpufreq_policy *policy)
msr_lo &= 0x0000007F; msr_lo &= 0x0000007F;
msr_hi &= 0x0000007F; msr_hi &= 0x0000007F;
if ( longrun_high_freq <= longrun_low_freq ) { if (longrun_high_freq <= longrun_low_freq) {
/* Assume degenerate Longrun table */ /* Assume degenerate Longrun table */
policy->min = policy->max = longrun_high_freq; policy->min = policy->max = longrun_high_freq;
} else { } else {
@@ -79,7 +80,7 @@ static int longrun_set_policy(struct cpufreq_policy *policy)
if (!policy) if (!policy)
return -EINVAL; return -EINVAL;
if ( longrun_high_freq <= longrun_low_freq ) { if (longrun_high_freq <= longrun_low_freq) {
/* Assume degenerate Longrun table */ /* Assume degenerate Longrun table */
pctg_lo = pctg_hi = 100; pctg_lo = pctg_hi = 100;
} else { } else {
@@ -152,7 +153,7 @@ static unsigned int longrun_get(unsigned int cpu)
cpuid(0x80860007, &eax, &ebx, &ecx, &edx); cpuid(0x80860007, &eax, &ebx, &ecx, &edx);
dprintk("cpuid eax is %u\n", eax); dprintk("cpuid eax is %u\n", eax);
return (eax * 1000); return eax * 1000;
} }
/** /**
@@ -196,7 +197,8 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq,
rdmsr(MSR_TMTA_LRTI_VOLT_MHZ, msr_lo, msr_hi); rdmsr(MSR_TMTA_LRTI_VOLT_MHZ, msr_lo, msr_hi);
*high_freq = msr_lo * 1000; /* to kHz */ *high_freq = msr_lo * 1000; /* to kHz */
dprintk("longrun table interface told %u - %u kHz\n", *low_freq, *high_freq); dprintk("longrun table interface told %u - %u kHz\n",
*low_freq, *high_freq);
if (*low_freq > *high_freq) if (*low_freq > *high_freq)
*low_freq = *high_freq; *low_freq = *high_freq;
@@ -219,7 +221,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq,
cpuid(0x80860007, &eax, &ebx, &ecx, &edx); cpuid(0x80860007, &eax, &ebx, &ecx, &edx);
/* try decreasing in 10% steps, some processors react only /* try decreasing in 10% steps, some processors react only
* on some barrier values */ * on some barrier values */
for (try_hi = 80; try_hi > 0 && ecx > 90; try_hi -=10) { for (try_hi = 80; try_hi > 0 && ecx > 90; try_hi -= 10) {
/* set to 0 to try_hi perf_pctg */ /* set to 0 to try_hi perf_pctg */
msr_lo &= 0xFFFFFF80; msr_lo &= 0xFFFFFF80;
msr_hi &= 0xFFFFFF80; msr_hi &= 0xFFFFFF80;
@@ -236,7 +238,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq,
/* performance_pctg = (current_freq - low_freq)/(high_freq - low_freq) /* performance_pctg = (current_freq - low_freq)/(high_freq - low_freq)
* eqals * eqals
* low_freq * ( 1 - perf_pctg) = (cur_freq - high_freq * perf_pctg) * low_freq * (1 - perf_pctg) = (cur_freq - high_freq * perf_pctg)
* *
* high_freq * perf_pctg is stored tempoarily into "ebx". * high_freq * perf_pctg is stored tempoarily into "ebx".
*/ */
@@ -317,9 +319,10 @@ static void __exit longrun_exit(void)
} }
MODULE_AUTHOR ("Dominik Brodowski <linux@brodo.de>"); MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
MODULE_DESCRIPTION ("LongRun driver for Transmeta Crusoe and Efficeon processors."); MODULE_DESCRIPTION("LongRun driver for Transmeta Crusoe and "
MODULE_LICENSE ("GPL"); "Efficeon processors.");
MODULE_LICENSE("GPL");
module_init(longrun_init); module_init(longrun_init);
module_exit(longrun_exit); module_exit(longrun_exit);