Commit fa1d8af4 authored by Viresh Kumar's avatar Viresh Kumar Committed by Rafael J. Wysocki
Browse files

cpufreq: Create a macro for unlock_policy_rwsem{read,write} 



On the lines of macro: lock_policy_rwsem, we can create another macro for
unlock_policy_rwsem. Lets do it.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 65922465

drivers/cpufreq/cpufreq.c

+9 −15
Original line number Diff line number Diff line
@@ -70,8 +70,7 @@ static DEFINE_PER_CPU(int, cpufreq_policy_cpu); 
static DEFINE_PER_CPU(struct rw_semaphore, cpu_policy_rwsem);



#define lock_policy_rwsem(mode, cpu)					\

static int lock_policy_rwsem_##mode					\

(int cpu)								\

static int lock_policy_rwsem_##mode(int cpu)				\

{									\

	int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu);		\

	BUG_ON(policy_cpu == -1);					\
@@ -81,23 +80,18 @@ static int lock_policy_rwsem_##mode \ 
}



lock_policy_rwsem(read, cpu);



lock_policy_rwsem(write, cpu);



static void unlock_policy_rwsem_read(int cpu)

{

	int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu);

	BUG_ON(policy_cpu == -1);

	up_read(&per_cpu(cpu_policy_rwsem, policy_cpu));

}



static void unlock_policy_rwsem_write(int cpu)

{

	int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu);

	BUG_ON(policy_cpu == -1);

	up_write(&per_cpu(cpu_policy_rwsem, policy_cpu));

#define unlock_policy_rwsem(mode, cpu)					\

static void unlock_policy_rwsem_##mode(int cpu)				\

{									\

	int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu);		\

	BUG_ON(policy_cpu == -1);					\

	up_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu));		\

}



unlock_policy_rwsem(read, cpu);

unlock_policy_rwsem(write, cpu);



/* internal prototypes */

static int __cpufreq_governor(struct cpufreq_policy *policy,