diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/power/runtime.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 7a6fb5e34a0..aa23a64ea33 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -286,14 +286,16 @@ static int rpm_callback(int (*cb)(struct device *), struct device *dev) * @dev: Device to suspend. * @rpmflags: Flag bits. * - * Check if the device's runtime PM status allows it to be suspended. If - * another suspend has been started earlier, either return immediately or wait - * for it to finish, depending on the RPM_NOWAIT and RPM_ASYNC flags. Cancel a - * pending idle notification. If the RPM_ASYNC flag is set then queue a - * suspend request; otherwise run the ->runtime_suspend() callback directly. - * If a deferred resume was requested while the callback was running then carry - * it out; otherwise send an idle notification for the device (if the suspend - * failed) or for its parent (if the suspend succeeded). + * Check if the device's runtime PM status allows it to be suspended. + * Cancel a pending idle notification, autosuspend or suspend. If + * another suspend has been started earlier, either return immediately + * or wait for it to finish, depending on the RPM_NOWAIT and RPM_ASYNC + * flags. If the RPM_ASYNC flag is set then queue a suspend request; + * otherwise run the ->runtime_suspend() callback directly. If a deferred + * resume was requested while the callback was running then carry it out; + * otherwise send an idle notification for its parent (if the suspend + * succeeded and both ignore_children of parent->power and irq_safe of + * dev->power are not set). * * This function must be called under dev->power.lock with interrupts disabled. */ |