diff options
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index b5c733613823..941968f011df 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4180,6 +4180,19 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) return ret; } +/* + * usb_port_disable - disable a usb device's upstream port + * @udev: device to disable + * Context: @udev locked, must be able to sleep. + * + * Disables a USB device that isn't in active use. + */ +int usb_port_disable(struct usb_device *udev) +{ + struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent); + + return hub_port_disable(hub, udev->portnum, 0); +} /* USB 2.0 spec, 7.1.7.3 / fig 7-29: * |