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| author |   Xunlei Pang <pang.xunlei@linaro.org> | 2015-08-31 11:34:05 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-09-03 03:05:47 +0200 |
| commit | abceaa9cded5f059f8c3b3b6f32730084fe5e39f (patch) | |
| tree | 8f4cfa6f48e5ed6b6eee71ba4d2b7c334a705ba9 /drivers/cpuidle/cpuidle.h | |
| parent | cpuidle/coupled: Remove redundant 'dev' argument of cpuidle_state_is_coupled() (diff) | |
| download | linux-dev-abceaa9cded5f059f8c3b3b6f32730084fe5e39f.tar.xz linux-dev-abceaa9cded5f059f8c3b3b6f32730084fe5e39f.zip | |
cpuidle/coupled: Add sanity check for safe_state_index
Since we are using cpuidle_driver::safe_state_index directly as the
target state index, it is better to add the sanity check at the point
of registering the driver.
Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpuidle/cpuidle.h')
| -rw-r--r-- | drivers/cpuidle/cpuidle.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h index 178c5ad3d568..f87f399b0540 100644 --- a/drivers/cpuidle/cpuidle.h +++ b/drivers/cpuidle/cpuidle.h @@ -35,6 +35,7 @@ extern void cpuidle_remove_sysfs(struct cpuidle_device *dev); #ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state); +int cpuidle_coupled_state_verify(struct cpuidle_driver *drv); 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); @@ -46,6 +47,11 @@ bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) return false; } +static inline int cpuidle_coupled_state_verify(struct cpuidle_driver *drv) +{ + return 0; +} + static inline int cpuidle_enter_state_coupled(struct cpuidle_device *dev, struct cpuidle_driver *drv, int next_state) { |