diff options
Diffstat (limited to 'drivers/base/power/runtime.c')
| -rw-r--r-- | drivers/base/power/runtime.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index c0f5a9f89299..e772e45d30f3 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -1460,14 +1460,19 @@ int pm_runtime_barrier(struct device *dev) } EXPORT_SYMBOL_GPL(pm_runtime_barrier); -void pm_runtime_block_if_disabled(struct device *dev) +bool pm_runtime_block_if_disabled(struct device *dev) { + bool ret; + spin_lock_irq(&dev->power.lock); - if (dev->power.disable_depth && dev->power.last_status == RPM_INVALID) + ret = dev->power.disable_depth && dev->power.last_status == RPM_INVALID; + if (ret) dev->power.last_status = RPM_BLOCKED; spin_unlock_irq(&dev->power.lock); + + return ret; } void pm_runtime_unblock(struct device *dev) |