Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / drivers / base / power / runtime.c

diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 7a6fb5e..6bb3aaf 100644 (file)
--- 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. When
+ * ->runtime_suspend succeeded, 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.
  */
@@ -418,15 +420,16 @@ static int rpm_suspend(struct device *dev, int rpmflags)
                        dev->power.runtime_error = 0;
                else
                        pm_runtime_cancel_pending(dev);
-       } else {
+               wake_up_all(&dev->power.wait_queue);
+               goto out;
+       }
  no_callback:
-               __update_runtime_status(dev, RPM_SUSPENDED);
-               pm_runtime_deactivate_timer(dev);
+       __update_runtime_status(dev, RPM_SUSPENDED);
+       pm_runtime_deactivate_timer(dev);
 
-               if (dev->parent) {
-                       parent = dev->parent;
-                       atomic_add_unless(&parent->power.child_count, -1, 0);
-               }
+       if (dev->parent) {
+               parent = dev->parent;
+               atomic_add_unless(&parent->power.child_count, -1, 0);
        }
        wake_up_all(&dev->power.wait_queue);