diff options
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index f8bbd0b6d9fe..ebb29caa3fe4 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -49,12 +49,7 @@ const char *usbcore_name = "usbcore"; static bool nousb; /* Disable USB when built into kernel image */ -/* To disable USB, kernel command line is 'nousb' not 'usbcore.nousb' */ -#ifdef MODULE module_param(nousb, bool, 0444); -#else -core_param(nousb, nousb, bool, 0444); -#endif /* * for external read access to <nousb> @@ -316,7 +311,13 @@ static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env) static int usb_dev_prepare(struct device *dev) { - return 0; /* Implement eventually? */ + struct usb_device *udev = to_usb_device(dev); + + /* Return 0 if the current wakeup setting is wrong, otherwise 1 */ + if (udev->do_remote_wakeup != device_may_wakeup(dev)) + return 0; + + return 1; } static void usb_dev_complete(struct device *dev) |