diff options
Diffstat (limited to 'drivers/cpuidle/driver.c')
| -rw-r--r-- | drivers/cpuidle/driver.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 58bf3b1ac9c4..87db3877fead 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -18,9 +18,10 @@ static struct cpuidle_driver *cpuidle_curr_driver; DEFINE_SPINLOCK(cpuidle_driver_lock); int cpuidle_driver_refcount; -static void __cpuidle_register_driver(struct cpuidle_driver *drv) +static void set_power_states(struct cpuidle_driver *drv) { int i; + /* * cpuidle driver should set the drv->power_specified bit * before registering if the driver provides @@ -35,13 +36,10 @@ static void __cpuidle_register_driver(struct cpuidle_driver *drv) * an power value of -1. So we use -2, -3, etc, for other * c-states. */ - if (!drv->power_specified) { - for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) - drv->states[i].power_usage = -1 - i; - } + for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) + drv->states[i].power_usage = -1 - i; } - /** * cpuidle_register_driver - registers a driver * @drv: the driver @@ -59,13 +57,16 @@ int cpuidle_register_driver(struct cpuidle_driver *drv) spin_unlock(&cpuidle_driver_lock); return -EBUSY; } - __cpuidle_register_driver(drv); + + if (!drv->power_specified) + set_power_states(drv); + cpuidle_curr_driver = drv; + spin_unlock(&cpuidle_driver_lock); return 0; } - EXPORT_SYMBOL_GPL(cpuidle_register_driver); /** @@ -96,7 +97,6 @@ void cpuidle_unregister_driver(struct cpuidle_driver *drv) spin_unlock(&cpuidle_driver_lock); } - EXPORT_SYMBOL_GPL(cpuidle_unregister_driver); struct cpuidle_driver *cpuidle_driver_ref(void) |