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 <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h
index 93b0c11..7e90b1d 100644
--- a/drivers/usb/gadget/uvc.h
+++ b/drivers/usb/gadget/uvc.h
@@ -98,8 +98,6 @@
#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 2ca9386..0080d07 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -41,7 +41,6 @@
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 b0e53a8..885c393 100644
--- a/drivers/usb/gadget/uvc_video.c
+++ b/drivers/usb/gadget/uvc_video.c
@@ -245,7 +245,6 @@
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;