diff options
Diffstat (limited to 'drivers/base/power/runtime.c')
| -rw-r--r-- | drivers/base/power/runtime.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 521ea521f039..3f141ea9283d 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -750,6 +750,8 @@ int __pm_runtime_idle(struct device *dev, int rpmflags) unsigned long flags; int retval; + might_sleep_if(!(rpmflags & RPM_ASYNC)); + if (rpmflags & RPM_GET_PUT) { if (!atomic_dec_and_test(&dev->power.usage_count)) return 0; @@ -779,6 +781,8 @@ int __pm_runtime_suspend(struct device *dev, int rpmflags) unsigned long flags; int retval; + might_sleep_if(!(rpmflags & RPM_ASYNC) && !dev->power.irq_safe); + if (rpmflags & RPM_GET_PUT) { if (!atomic_dec_and_test(&dev->power.usage_count)) return 0; @@ -807,6 +811,8 @@ int __pm_runtime_resume(struct device *dev, int rpmflags) unsigned long flags; int retval; + might_sleep_if(!(rpmflags & RPM_ASYNC) && !dev->power.irq_safe); + if (rpmflags & RPM_GET_PUT) atomic_inc(&dev->power.usage_count); @@ -996,6 +1002,7 @@ EXPORT_SYMBOL_GPL(pm_runtime_barrier); */ void __pm_runtime_disable(struct device *dev, bool check_resume) { + might_sleep(); spin_lock_irq(&dev->power.lock); if (dev->power.disable_depth > 0) { @@ -1181,6 +1188,8 @@ void pm_runtime_set_autosuspend_delay(struct device *dev, int delay) { int old_delay, old_use; + might_sleep(); + spin_lock_irq(&dev->power.lock); old_delay = dev->power.autosuspend_delay; old_use = dev->power.use_autosuspend; |