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Diffstat (limited to 'drivers/base/power/runtime.c')
-rw-r--r--drivers/base/power/runtime.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 268a35097578..72e00e66ecc5 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -258,7 +258,8 @@ static int __rpm_callback(int (*cb)(struct device *), struct device *dev)
* Check if the device's runtime PM status allows it to be suspended. If
* another idle notification has been started earlier, return immediately. If
* the RPM_ASYNC flag is set then queue an idle-notification request; otherwise
- * run the ->runtime_idle() callback directly.
+ * run the ->runtime_idle() callback directly. If the ->runtime_idle callback
+ * doesn't exist or if it returns 0, call rpm_suspend with the RPM_AUTO flag.
*
* This function must be called under dev->power.lock with interrupts disabled.
*/
@@ -331,7 +332,7 @@ static int rpm_idle(struct device *dev, int rpmflags)
out:
trace_rpm_return_int(dev, _THIS_IP_, retval);
- return retval ? retval : rpm_suspend(dev, rpmflags);
+ return retval ? retval : rpm_suspend(dev, rpmflags | RPM_AUTO);
}
/**