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Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/driver.c6
-rw-r--r--drivers/usb/core/notify.c1
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 3b029a0a478..45887a0ff87 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -24,6 +24,7 @@
#include <linux/device.h>
#include <linux/slab.h>
+#include <linux/export.h>
#include <linux/usb.h>
#include <linux/usb/quirks.h>
#include <linux/usb/hcd.h>
@@ -1667,6 +1668,11 @@ int usb_runtime_suspend(struct device *dev)
return -EAGAIN;
status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);
+
+ /* Allow a retry if autosuspend failed temporarily */
+ if (status == -EAGAIN || status == -EBUSY)
+ usb_mark_last_busy(udev);
+
/* The PM core reacts badly unless the return code is 0,
* -EAGAIN, or -EBUSY, so always return -EBUSY on an error.
*/
diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c
index 7542dce3f5a..7728c91dfa2 100644
--- a/drivers/usb/core/notify.c
+++ b/drivers/usb/core/notify.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
+#include <linux/export.h>
#include <linux/notifier.h>
#include <linux/usb.h>
#include <linux/mutex.h>