diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_usb.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_usb.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/staging/comedi/comedi_usb.c b/drivers/staging/comedi/comedi_usb.c index 9d9716a248f1..13f18bef6091 100644 --- a/drivers/staging/comedi/comedi_usb.c +++ b/drivers/staging/comedi/comedi_usb.c @@ -14,10 +14,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/usb.h> @@ -35,6 +31,18 @@ struct usb_interface *comedi_to_usb_interface(struct comedi_device *dev) EXPORT_SYMBOL_GPL(comedi_to_usb_interface); /** + * comedi_to_usb_dev() - comedi_device pointer to usb_device pointer. + * @dev: comedi_device struct + */ +struct usb_device *comedi_to_usb_dev(struct comedi_device *dev) +{ + struct usb_interface *intf = comedi_to_usb_interface(dev); + + return intf ? interface_to_usbdev(intf) : NULL; +} +EXPORT_SYMBOL_GPL(comedi_to_usb_dev); + +/** * comedi_usb_auto_config() - Configure/probe a comedi USB driver. * @intf: usb_interface struct * @driver: comedi_driver struct |