diff --git a/[refs] b/[refs]
index 39236fbfb929..d2c6f8b7a476 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 063f96c2230052356d8653381912e618a8ae951c
+refs/heads/master: b0afd8f68adf6a9b671b0420ab9116a36409ef7f
diff --git a/trunk/drivers/mmc/core/sdio_bus.c b/trunk/drivers/mmc/core/sdio_bus.c
index 6bf68799fe97..fc2d94a3b60c 100644
--- a/trunk/drivers/mmc/core/sdio_bus.c
+++ b/trunk/drivers/mmc/core/sdio_bus.c
@@ -193,7 +193,21 @@ static int sdio_bus_remove(struct device *dev)
 }
 
 #ifdef CONFIG_PM
+
+#ifdef CONFIG_PM_SLEEP
+static int pm_no_operation(struct device *dev)
+{
+	/*
+	 * Prevent the PM core from calling SDIO device drivers' suspend
+	 * callback routines, which it is not supposed to do, by using this
+	 * empty function as the bus type suspend callaback for SDIO.
+	 */
+	return 0;
+}
+#endif
+
 static const struct dev_pm_ops sdio_bus_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
 	SET_RUNTIME_PM_OPS(
 		pm_generic_runtime_suspend,
 		pm_generic_runtime_resume,