openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[CPUFREQ] checkpatch cleanups for sc520 

Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Dave Jones 2009-01-18 01:27:35 -05:00
parent 14a6650f13
commit 6072ace436
1 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
arch/x86/kernel/cpu/cpufreq/sc520_freq.c
View File

@ -19,17 +19,19 @@
#include <linux/delay.h>
#include <linux/cpufreq.h>
#include <linux/timex.h>
#include <linux/io.h>
#include <asm/msr.h>
#include <asm/timex.h>
#include <asm/io.h>
#define MMCR_BASE 0xfffef000 /* The default base address */
#define OFFS_CPUCTL 0x2 /* CPU Control Register */
static __u8 __iomem *cpuctl;
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "sc520_freq", msg)
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \
"sc520_freq", msg)
#define PFX "sc520_freq: "
static struct cpufreq_frequency_table sc520_freq_table[] = {
{0x01, 100000},
@ -43,7 +45,8 @@ static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
switch (clockspeed_reg & 0x03) {
default:
printk(KERN_ERR "sc520_freq: error: cpuctl register has unexpected value %02x\n", clockspeed_reg);
printk(KERN_ERR PFX "error: cpuctl register has unexpected "
"value %02x\n", clockspeed_reg);
case 0x01:
return 100000;
case 0x02:
@ -51,7 +54,7 @@ static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
}
}
static void sc520_freq_set_cpu_state (unsigned int state)
static void sc520_freq_set_cpu_state(unsigned int state)
{
struct cpufreq_freqs freqs;
@ -76,18 +79,19 @@ static void sc520_freq_set_cpu_state (unsigned int state)
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
};
static int sc520_freq_verify (struct cpufreq_policy *policy)
static int sc520_freq_verify(struct cpufreq_policy *policy)
{
return cpufreq_frequency_table_verify(policy, &sc520_freq_table[0]);
}
static int sc520_freq_target (struct cpufreq_policy *policy,
static int sc520_freq_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
{
unsigned int newstate = 0;
if (cpufreq_frequency_table_target(policy, sc520_freq_table, target_freq, relation, &newstate))
if (cpufreq_frequency_table_target(policy, sc520_freq_table,
target_freq, relation, &newstate))
return -EINVAL;
sc520_freq_set_cpu_state(newstate);
@ -116,7 +120,7 @@ static int sc520_freq_cpu_init(struct cpufreq_policy *policy)
result = cpufreq_frequency_table_cpuinfo(policy, sc520_freq_table);
if (result)
return (result);
return result;
cpufreq_frequency_table_get_attr(sc520_freq_table, policy->cpu);
@ -131,7 +135,7 @@ static int sc520_freq_cpu_exit(struct cpufreq_policy *policy)
}
static struct freq_attr* sc520_freq_attr[] = {
static struct freq_attr *sc520_freq_attr[] = {
&cpufreq_freq_attr_scaling_available_freqs,
NULL,
};
@ -155,13 +159,13 @@ static int __init sc520_freq_init(void)
int err;
/* Test if we have the right hardware */
if(c->x86_vendor != X86_VENDOR_AMD ||
c->x86 != 4 || c->x86_model != 9) {
if (c->x86_vendor != X86_VENDOR_AMD ||
c->x86 != 4 || c->x86_model != 9) {
dprintk("no Elan SC520 processor found!\n");
return -ENODEV;
}
cpuctl = ioremap((unsigned long)(MMCR_BASE + OFFS_CPUCTL), 1);
if(!cpuctl) {
if (!cpuctl) {
printk(KERN_ERR "sc520_freq: error: failed to remap memory\n");
return -ENOMEM;
}