From: Felipe Balbi Date: Thu, 14 Mar 2013 08:48:02 +0000 (+0200) Subject: usb: gadget: uvc: remove references to DMA_ADDR_INVALID X-Git-Tag: firefly_0821_release~3680^2~672^2~11^2~123 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=482ef1d2fec5e5d44d97f7e20b4ccf3d3604aaae;p=firefly-linux-kernel-4.4.55.git usb: gadget: uvc: remove references to DMA_ADDR_INVALID gadget drivers shouldn't touch req->dma at all, since UDC drivers are the ones required to handle mapping and unmapping of the request buffer. Remove references to DMA_ADDR_INVALID so we don't creat false expectations to gadget driver writers. Acked-by: Laurent Pinchart Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h index 93b0c1191115..7e90b1d12d09 100644 --- a/drivers/usb/gadget/uvc.h +++ b/drivers/usb/gadget/uvc.h @@ -98,8 +98,6 @@ extern unsigned int uvc_gadget_trace_param; #define DRIVER_VERSION "0.1.0" #define DRIVER_VERSION_NUMBER KERNEL_VERSION(0, 1, 0) -#define DMA_ADDR_INVALID (~(dma_addr_t)0) - #define UVC_NUM_REQUESTS 4 #define UVC_MAX_REQUEST_SIZE 64 #define UVC_MAX_EVENTS 4 diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c index 2ca9386d655b..0080d073bd5e 100644 --- a/drivers/usb/gadget/uvc_v4l2.c +++ b/drivers/usb/gadget/uvc_v4l2.c @@ -41,7 +41,6 @@ uvc_send_response(struct uvc_device *uvc, struct uvc_request_data *data) req->length = min_t(unsigned int, uvc->event_length, data->length); req->zero = data->length < uvc->event_length; - req->dma = DMA_ADDR_INVALID; memcpy(req->buf, data->data, data->length); diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c index b0e53a8ea4f7..885c393ee470 100644 --- a/drivers/usb/gadget/uvc_video.c +++ b/drivers/usb/gadget/uvc_video.c @@ -245,7 +245,6 @@ uvc_video_alloc_requests(struct uvc_video *video) video->req[i]->buf = video->req_buffer[i]; video->req[i]->length = 0; - video->req[i]->dma = DMA_ADDR_INVALID; video->req[i]->complete = uvc_video_complete; video->req[i]->context = video;