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cpuidle/coupled: Remove redundant 'dev' argument of cpuidle_state_is_coupled() 

For cpuidle_state_is_coupled(), 'dev' is not used, so remove it.

Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Xunlei Pang 2015-08-04 13:48:56 +08:00 committed by Rafael J. Wysocki
parent ba6a860d41
commit 4c1ed5a607
3 changed files with 6 additions and 9 deletions
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4
drivers/cpuidle/coupled.c
View File

@ -176,14 +176,12 @@ void cpuidle_coupled_parallel_barrier(struct cpuidle_device *dev, atomic_t *a)
/**
* cpuidle_state_is_coupled - check if a state is part of a coupled set
* @dev: struct cpuidle_device for the current cpu
* @drv: struct cpuidle_driver for the platform
* @state: index of the target state in drv->states
*
* Returns true if the target state is coupled with cpus besides this one
*/
bool cpuidle_state_is_coupled(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int state)
bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state)
{
return drv->states[state].flags & CPUIDLE_FLAG_COUPLED;
}

4
drivers/cpuidle/cpuidle.c
View File

@ -210,7 +210,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,
tick_broadcast_exit();
}
if (!cpuidle_state_is_coupled(dev, drv, entered_state))
if (!cpuidle_state_is_coupled(drv, entered_state))
local_irq_enable();
diff = ktime_to_us(ktime_sub(time_end, time_start));
@ -259,7 +259,7 @@ int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
int cpuidle_enter(struct cpuidle_driver *drv, struct cpuidle_device *dev,
int index)
{
if (cpuidle_state_is_coupled(dev, drv, index))
if (cpuidle_state_is_coupled(drv, index))
return cpuidle_enter_state_coupled(dev, drv, index);
return cpuidle_enter_state(dev, drv, index);
}

7
drivers/cpuidle/cpuidle.h
View File

@ -34,15 +34,14 @@ extern int cpuidle_add_sysfs(struct cpuidle_device *dev);
extern void cpuidle_remove_sysfs(struct cpuidle_device *dev);
#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
bool cpuidle_state_is_coupled(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int state);
bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state);
int cpuidle_enter_state_coupled(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int next_state);
int cpuidle_coupled_register_device(struct cpuidle_device *dev);
void cpuidle_coupled_unregister_device(struct cpuidle_device *dev);
#else
static inline bool cpuidle_state_is_coupled(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int state)
static inline
bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state)
{
return false;
}