This patch makes use of the generic map/unmap routines on the omap_udc driver. Removes some useless and duplicated code.
Signed-off-by: Felipe Balbi <[email protected]> --- drivers/usb/gadget/omap_udc.c | 46 +++++++---------------------------------- 1 file changed, 7 insertions(+), 39 deletions(-) diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 50e8490..b6cc8b1 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -59,8 +59,6 @@ #define DRIVER_DESC "OMAP UDC driver" #define DRIVER_VERSION "4 October 2004" -#define DMA_ADDR_INVALID (~(dma_addr_t)0) - /* * The OMAP UDC needs _very_ early endpoint setup: before enabling the * D+ pullup to allow enumeration. That's too early for the gadget @@ -271,7 +269,6 @@ omap_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) if (!req) return NULL; - req->req.dma = DMA_ADDR_INVALID; INIT_LIST_HEAD(&req->queue); return &req->req; @@ -290,6 +287,7 @@ omap_free_request(struct usb_ep *ep, struct usb_request *_req) static void done(struct omap_ep *ep, struct omap_req *req, int status) { + struct omap_udc *udc = ep->udc; unsigned stopped = ep->stopped; list_del_init(&req->queue); @@ -299,22 +297,9 @@ done(struct omap_ep *ep, struct omap_req *req, int status) else status = req->req.status; - if (use_dma && ep->has_dma) { - if (req->mapped) { - dma_unmap_single(ep->udc->gadget.dev.parent, - req->req.dma, req->req.length, - (ep->bEndpointAddress & USB_DIR_IN) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - req->req.dma = DMA_ADDR_INVALID; - req->mapped = 0; - } else - dma_sync_single_for_cpu(ep->udc->gadget.dev.parent, - req->req.dma, req->req.length, - (ep->bEndpointAddress & USB_DIR_IN) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - } + if (use_dma && ep->has_dma) + usb_gadget_unmap_request(&udc->gadget, &req->req, + (ep->bEndpointAddress & USB_DIR_IN)); #ifndef USB_TRACE if (status && status != -ESHUTDOWN) @@ -915,26 +900,9 @@ omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) return -ESHUTDOWN; - if (use_dma && ep->has_dma) { - if (req->req.dma == DMA_ADDR_INVALID) { - req->req.dma = dma_map_single( - ep->udc->gadget.dev.parent, - req->req.buf, - req->req.length, - (ep->bEndpointAddress & USB_DIR_IN) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - req->mapped = 1; - } else { - dma_sync_single_for_device( - ep->udc->gadget.dev.parent, - req->req.dma, req->req.length, - (ep->bEndpointAddress & USB_DIR_IN) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - req->mapped = 0; - } - } + if (use_dma && ep->has_dma) + usb_gadget_map_request(&udc->gadget, &req->req, + (ep->bEndpointAddress & USB_DIR_IN)); VDBG("%s queue req %p, len %d buf %p\n", ep->ep.name, _req, _req->length, _req->buf); -- 1.7.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
