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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-25 21:25:02 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-25 21:25:02 -0800
commit8f5f90a872c38b4e78f3cc95e8a25434b98e4db2 (patch)
tree36c50b0c97286ab89c85016f7ab281f8e843c05c /drivers/cpuidle/driver.c
parentc0cd2da16b431a2007ea83865f3dd1530c1643a5 (diff)
parent949db153b6466c6f7cad5a427ecea94985927311 (diff)
Merge 3.8-rc5 into staging-next
This resolves a merge issue with a iio driver, and the zram code. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cpuidle/driver.c')
-rw-r--r--drivers/cpuidle/driver.c33
1 files changed, 1 insertions, 32 deletions
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 3af841fb397a..422c7b69ba7c 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -19,34 +19,9 @@ DEFINE_SPINLOCK(cpuidle_driver_lock);
static void __cpuidle_set_cpu_driver(struct cpuidle_driver *drv, int cpu);
static struct cpuidle_driver * __cpuidle_get_cpu_driver(int cpu);
-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
- * power_usage numbers.
- *
- * If power_specified is not set,
- * we fill in power_usage with decreasing values as the
- * cpuidle code has an implicit assumption that state Cn
- * uses less power than C(n-1).
- *
- * With CONFIG_ARCH_HAS_CPU_RELAX, C0 is already assigned
- * an power value of -1. So we use -2, -3, etc, for other
- * c-states.
- */
- for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++)
- drv->states[i].power_usage = -1 - i;
-}
-
static void __cpuidle_driver_init(struct cpuidle_driver *drv)
{
drv->refcnt = 0;
-
- if (!drv->power_specified)
- set_power_states(drv);
}
static int __cpuidle_register_driver(struct cpuidle_driver *drv, int cpu)
@@ -235,16 +210,10 @@ EXPORT_SYMBOL_GPL(cpuidle_get_driver);
*/
struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev)
{
- struct cpuidle_driver *drv;
-
if (!dev)
return NULL;
- spin_lock(&cpuidle_driver_lock);
- drv = __cpuidle_get_cpu_driver(dev->cpu);
- spin_unlock(&cpuidle_driver_lock);
-
- return drv;
+ return __cpuidle_get_cpu_driver(dev->cpu);
}
EXPORT_SYMBOL_GPL(cpuidle_get_cpu_driver);