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sem2mutex: drivers/acpi/processor_perflib.c

Browse source 
Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Arjan van de Ven 2006-04-27 05:25:00 -04:00 committed by Len Brown
parent d8c3291c73
commit 65c19bbd28
1 changed files with 12 additions and 11 deletions
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23
drivers/acpi/processor_perflib.c
View file

@ -34,6 +34,7 @@
#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/mutex.h>
#include <asm/uaccess.h>
#endif
@ -48,7 +49,7 @@
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("acpi_processor")
static DECLARE_MUTEX(performance_sem);
static DEFINE_MUTEX(performance_mutex);
/*
* _PPC support is implemented as a CPUfreq policy notifier:
@ -72,7 +73,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
struct acpi_processor *pr;
unsigned int ppc = 0;
down(&performance_sem);
mutex_lock(&performance_mutex);
if (event != CPUFREQ_INCOMPATIBLE)
goto out;
@ -93,7 +94,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
core_frequency * 1000);
out:
up(&performance_sem);
mutex_unlock(&performance_mutex);
return 0;
}
@ -564,16 +565,16 @@ acpi_processor_register_performance(struct acpi_processor_performance
if (!(acpi_processor_ppc_status & PPC_REGISTERED))
return_VALUE(-EINVAL);
down(&performance_sem);
mutex_lock(&performance_mutex);
pr = processors[cpu];
if (!pr) {
up(&performance_sem);
mutex_unlock(&performance_mutex);
return_VALUE(-ENODEV);
}
if (pr->performance) {
up(&performance_sem);
mutex_unlock(&performance_mutex);
return_VALUE(-EBUSY);
}
@ -581,13 +582,13 @@ acpi_processor_register_performance(struct acpi_processor_performance
if (acpi_processor_get_performance_info(pr)) {
pr->performance = NULL;
up(&performance_sem);
mutex_unlock(&performance_mutex);
return_VALUE(-EIO);
}
acpi_cpufreq_add_file(pr);
up(&performance_sem);
mutex_unlock(&performance_mutex);
return_VALUE(0);
}
@ -601,11 +602,11 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
ACPI_FUNCTION_TRACE("acpi_processor_unregister_performance");
down(&performance_sem);
mutex_lock(&performance_mutex);
pr = processors[cpu];
if (!pr) {
up(&performance_sem);
mutex_unlock(&performance_mutex);
return_VOID;
}
@ -614,7 +615,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
acpi_cpufreq_remove_file(pr);
up(&performance_sem);
mutex_unlock(&performance_mutex);
return_VOID;
}