diff options
| -rw-r--r-- | drivers/usb/gadget/udc/core.c | 3 | ||||
| -rw-r--r-- | include/linux/usb/gadget.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 5adb6e831126..d98da3c44ff5 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -194,6 +194,9 @@ struct usb_request *usb_ep_alloc_request(struct usb_ep *ep, req = ep->ops->alloc_request(ep, gfp_flags); + if (req) + req->ep = ep; + trace_usb_ep_alloc_request(ep, req, req ? 0 : -ENOMEM); return req; diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 705b76f8dddb..9a4d800cdc1e 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -31,6 +31,7 @@ struct usb_ep; /** * struct usb_request - describes one i/o request + * @ep: The associated endpoint set by usb_ep_alloc_request(). * @buf: Buffer used for data. Always provide this; some controllers * only use PIO, or don't use DMA for some endpoints. * @dma: DMA address corresponding to 'buf'. If you don't set this @@ -96,6 +97,7 @@ struct usb_ep; */ struct usb_request { + struct usb_ep *ep; void *buf; unsigned length; dma_addr_t dma; |