diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 3b029a0a4787..45887a0ff873 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. */ |
