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Commit 399d31da authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
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USB: RESET_RESUME needs to block autosuspend when remote wakeup is needed 



Reset upon resumption will wipe the input buffer and is therefore
a reason to not suspend if remote wakeup is requested because
the driver needs that data.

Signed-off-by: default avatarOliver Neukum <oneukum@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 68265043

drivers/usb/core/driver.c

+2 −1
Original line number Diff line number Diff line
@@ -1070,7 +1070,8 @@ static int autosuspend_check(struct usb_device *udev, int reschedule) 
				struct usb_driver *driver;



				driver = to_usb_driver(intf->dev.driver);

				if (!driver->reset_resume)

				if (!driver->reset_resume ||

				    intf->needs_remote_wakeup)

					return -EOPNOTSUPP;

			}

		}