PM / Runtime: Asyncronous idle|suspend devices at system resume

Message ID 1365759666-23652-1-git-send-email-ulf.hansson@stericsson.com
State Accepted
Commit af93933974d7b4dd1f9003e50bae239760fc7978
Headers show

Commit Message

Ulf Hansson April 12, 2013, 9:41 a.m.
From: Ulf Hansson <ulf.hansson@linaro.org>

Use the asyncronous runtime PM API when returning the runtime
reference for the device after the system resume is completed.

By using the asyncronous runtime PM API we don't have to wait
for each an every device to become idle|suspended. Instead we
can move on and handle the next device in queue.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
---
 drivers/base/power/domain.c      |    2 +-
 drivers/base/power/generic_ops.c |    2 +-
 drivers/base/power/main.c        |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 9a6b05a..bba5758 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1327,7 +1327,7 @@  static void pm_genpd_complete(struct device *dev)
 		pm_generic_complete(dev);
 		pm_runtime_set_active(dev);
 		pm_runtime_enable(dev);
-		pm_runtime_idle(dev);
+		pm_request_idle(dev);
 	}
 }
 
diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c
index d03d290..bfd898b 100644
--- a/drivers/base/power/generic_ops.c
+++ b/drivers/base/power/generic_ops.c
@@ -324,6 +324,6 @@  void pm_generic_complete(struct device *dev)
 	 * Let runtime PM try to suspend devices that haven't been in use before
 	 * going into the system-wide sleep state we're resuming from.
 	 */
-	pm_runtime_idle(dev);
+	pm_request_idle(dev);
 }
 #endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 15beb50..5a9b656 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -756,7 +756,7 @@  static void device_complete(struct device *dev, pm_message_t state)
 
 	device_unlock(dev);
 
-	pm_runtime_put_sync(dev);
+	pm_runtime_put(dev);
 }
 
 /**