diff options
-rw-r--r-- | include/linux/usb.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index fd7d61e58198..cf3b289a87a2 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h | |||
@@ -184,8 +184,6 @@ struct usb_interface { | |||
184 | struct work_struct reset_ws; /* for resets in atomic context */ | 184 | struct work_struct reset_ws; /* for resets in atomic context */ |
185 | }; | 185 | }; |
186 | #define to_usb_interface(d) container_of(d, struct usb_interface, dev) | 186 | #define to_usb_interface(d) container_of(d, struct usb_interface, dev) |
187 | #define interface_to_usbdev(intf) \ | ||
188 | container_of(intf->dev.parent, struct usb_device, dev) | ||
189 | 187 | ||
190 | static inline void *usb_get_intfdata(struct usb_interface *intf) | 188 | static inline void *usb_get_intfdata(struct usb_interface *intf) |
191 | { | 189 | { |
@@ -493,6 +491,11 @@ struct usb_device { | |||
493 | }; | 491 | }; |
494 | #define to_usb_device(d) container_of(d, struct usb_device, dev) | 492 | #define to_usb_device(d) container_of(d, struct usb_device, dev) |
495 | 493 | ||
494 | static inline struct usb_device *interface_to_usbdev(struct usb_interface *intf) | ||
495 | { | ||
496 | return to_usb_device(intf->dev.parent); | ||
497 | } | ||
498 | |||
496 | extern struct usb_device *usb_get_dev(struct usb_device *dev); | 499 | extern struct usb_device *usb_get_dev(struct usb_device *dev); |
497 | extern void usb_put_dev(struct usb_device *dev); | 500 | extern void usb_put_dev(struct usb_device *dev); |
498 | 501 | ||