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[CPUFREQ] checkpatch cleanups for userspace governor

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Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Dave Jones 2009-01-18 01:51:46 -05:00
parent 0a829c5afd
commit 1bceb8d139
1 changed files with 14 additions and 13 deletions
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27
drivers/cpufreq/cpufreq_userspace.c
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@ -24,9 +24,6 @@
#include <linux/sysfs.h> #include <linux/sysfs.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <asm/uaccess.h>
/** /**
* A few values needed by the userspace governor * A few values needed by the userspace governor
*/ */
@ -37,7 +34,7 @@ static DEFINE_PER_CPU(unsigned int, cpu_set_freq); /* CPU freq desired by
userspace */ userspace */
static DEFINE_PER_CPU(unsigned int, cpu_is_managed); static DEFINE_PER_CPU(unsigned int, cpu_is_managed);
static DEFINE_MUTEX (userspace_mutex); static DEFINE_MUTEX(userspace_mutex);
static int cpus_using_userspace_governor; static int cpus_using_userspace_governor;
#define dprintk(msg...) \ #define dprintk(msg...) \
@ -46,9 +43,9 @@ static int cpus_using_userspace_governor;
/* keep track of frequency transitions */ /* keep track of frequency transitions */
static int static int
userspace_cpufreq_notifier(struct notifier_block *nb, unsigned long val, userspace_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
void *data) void *data)
{ {
struct cpufreq_freqs *freq = data; struct cpufreq_freqs *freq = data;
if (!per_cpu(cpu_is_managed, freq->cpu)) if (!per_cpu(cpu_is_managed, freq->cpu))
return 0; return 0;
@ -57,11 +54,11 @@ userspace_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
freq->cpu, freq->new); freq->cpu, freq->new);
per_cpu(cpu_cur_freq, freq->cpu) = freq->new; per_cpu(cpu_cur_freq, freq->cpu) = freq->new;
return 0; return 0;
} }
static struct notifier_block userspace_cpufreq_notifier_block = { static struct notifier_block userspace_cpufreq_notifier_block = {
.notifier_call = userspace_cpufreq_notifier .notifier_call = userspace_cpufreq_notifier
}; };
@ -93,8 +90,11 @@ static int cpufreq_set(struct cpufreq_policy *policy, unsigned int freq)
* We're safe from concurrent calls to ->target() here * We're safe from concurrent calls to ->target() here
* as we hold the userspace_mutex lock. If we were calling * as we hold the userspace_mutex lock. If we were calling
* cpufreq_driver_target, a deadlock situation might occur: * cpufreq_driver_target, a deadlock situation might occur:
* A: cpufreq_set (lock userspace_mutex) -> cpufreq_driver_target(lock policy->lock) * A: cpufreq_set (lock userspace_mutex) ->
* B: cpufreq_set_policy(lock policy->lock) -> __cpufreq_governor -> cpufreq_governor_userspace (lock userspace_mutex) * cpufreq_driver_target(lock policy->lock)
* B: cpufreq_set_policy(lock policy->lock) ->
* __cpufreq_governor ->
* cpufreq_governor_userspace (lock userspace_mutex)
*/ */
ret = __cpufreq_driver_target(policy, freq, CPUFREQ_RELATION_L); ret = __cpufreq_driver_target(policy, freq, CPUFREQ_RELATION_L);
@ -210,9 +210,10 @@ static void __exit cpufreq_gov_userspace_exit(void)
} }
MODULE_AUTHOR ("Dominik Brodowski <linux@brodo.de>, Russell King <rmk@arm.linux.org.uk>"); MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>, "
MODULE_DESCRIPTION ("CPUfreq policy governor 'userspace'"); "Russell King <rmk@arm.linux.org.uk>");
MODULE_LICENSE ("GPL"); MODULE_DESCRIPTION("CPUfreq policy governor 'userspace'");
MODULE_LICENSE("GPL");
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE
fs_initcall(cpufreq_gov_userspace_init); fs_initcall(cpufreq_gov_userspace_init);