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[CPUFREQ] Misc cleanups in ondemand.

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Misc cleanups in ondemand. Should have zero functional impact.
Also adding Alexey as author.

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Venkatesh Pallipadi 2006-06-28 13:52:18 -07:00 committed by Dave Jones
parent 2f8a835c70
commit ffac80e925
1 changed files with 19 additions and 31 deletions
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50
drivers/cpufreq/cpufreq_ondemand.c
View file

@ -12,22 +12,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ctype.h>
#include <linux/cpufreq.h>
#include <linux/sysctl.h>
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/sysfs.h>
#include <linux/cpu.h>
#include <linux/sched.h>
#include <linux/kmod.h>
#include <linux/workqueue.h>
#include <linux/jiffies.h>
#include <linux/kernel_stat.h>
#include <linux/percpu.h>
#include <linux/mutex.h>
/*
@ -79,8 +68,7 @@ static unsigned int dbs_enable; /* number of CPUs using this policy */
* cpu_hotplug lock should be taken before that. Note that cpu_hotplug lock
* is recursive for the same process. -Venki
*/
static DEFINE_MUTEX (dbs_mutex);
static DECLARE_WORK (dbs_work, do_dbs_timer, NULL);
static DEFINE_MUTEX(dbs_mutex);
static struct workqueue_struct *kondemand_wq;
@ -142,7 +130,7 @@ static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
{
unsigned int input;
int ret;
ret = sscanf (buf, "%u", &input);
ret = sscanf(buf, "%u", &input);
mutex_lock(&dbs_mutex);
if (ret != 1 || input > MAX_SAMPLING_RATE || input < MIN_SAMPLING_RATE) {
@ -161,7 +149,7 @@ static ssize_t store_up_threshold(struct cpufreq_policy *unused,
{
unsigned int input;
int ret;
ret = sscanf (buf, "%u", &input);
ret = sscanf(buf, "%u", &input);
mutex_lock(&dbs_mutex);
if (ret != 1 || input > MAX_FREQUENCY_UP_THRESHOLD ||
@ -184,7 +172,7 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy,
unsigned int j;
ret = sscanf (buf, "%u", &input);
ret = sscanf(buf, "%u", &input);
if ( ret != 1 )
return -EINVAL;
@ -349,8 +337,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
switch (event) {
case CPUFREQ_GOV_START:
if ((!cpu_online(cpu)) ||
(!policy->cur))
if ((!cpu_online(cpu)) || (!policy->cur))
return -EINVAL;
if (policy->cpuinfo.transition_latency >
@ -424,13 +411,13 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
lock_cpu_hotplug();
mutex_lock(&dbs_mutex);
if (policy->max < this_dbs_info->cur_policy->cur)
__cpufreq_driver_target(
this_dbs_info->cur_policy,
policy->max, CPUFREQ_RELATION_H);
__cpufreq_driver_target(this_dbs_info->cur_policy,
policy->max,
CPUFREQ_RELATION_H);
else if (policy->min > this_dbs_info->cur_policy->cur)
__cpufreq_driver_target(
this_dbs_info->cur_policy,
policy->min, CPUFREQ_RELATION_L);
__cpufreq_driver_target(this_dbs_info->cur_policy,
policy->min,
CPUFREQ_RELATION_L);
mutex_unlock(&dbs_mutex);
unlock_cpu_hotplug();
break;
@ -439,9 +426,9 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
}
static struct cpufreq_governor cpufreq_gov_dbs = {
.name = "ondemand",
.governor = cpufreq_governor_dbs,
.owner = THIS_MODULE,
.name = "ondemand",
.governor = cpufreq_governor_dbs,
.owner = THIS_MODULE,
};
static int __init cpufreq_gov_dbs_init(void)
@ -455,10 +442,11 @@ static void __exit cpufreq_gov_dbs_exit(void)
}
MODULE_AUTHOR ("Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>");
MODULE_DESCRIPTION ("'cpufreq_ondemand' - A dynamic cpufreq governor for "
"Low Latency Frequency Transition capable processors");
MODULE_LICENSE ("GPL");
MODULE_AUTHOR("Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>");
MODULE_AUTHOR("Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>");
MODULE_DESCRIPTION("'cpufreq_ondemand' - A dynamic cpufreq governor for "
"Low Latency Frequency Transition capable processors");
MODULE_LICENSE("GPL");
module_init(cpufreq_gov_dbs_init);
module_exit(cpufreq_gov_dbs_exit);