From 4c0c6d0085337549e1b4fc97d9616eae732049d6 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 28 Jan 2013 17:19:34 +0200 Subject: [PATCH] usb: gadget: mv_udc_core: switch over to usb_gadget_map/unmap_request() we have generic implementations for a reason, let's use them Signed-off-by: Felipe Balbi --- drivers/usb/gadget/mv_udc_core.c | 53 +++++----------------------------------- 1 file changed, 6 insertions(+), 47 deletions(-) diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index be35573..7f4d19d 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -237,18 +237,7 @@ static void done(struct mv_ep *ep, struct mv_req *req, int status) dma_pool_free(udc->dtd_pool, curr_td, curr_td->td_dma); } - if (req->mapped) { - dma_unmap_single(ep->udc->gadget.dev.parent, - req->req.dma, req->req.length, - ((ep_dir(ep) == EP_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_dir(ep) == EP_DIR_IN) ? - DMA_TO_DEVICE : DMA_FROM_DEVICE)); + usb_gadget_unmap_request(&udc->gadget, &req->req, ep_dir(ep)); if (status && (status != -ESHUTDOWN)) dev_info(&udc->dev->dev, "complete %s req %p stat %d len %u/%u", @@ -732,21 +721,9 @@ mv_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) req->ep = ep; /* map virtual address to hardware */ - 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_dir(ep) - ? 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_dir(ep) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - req->mapped = 0; - } + retval = usb_gadget_map_request(&udc->gadget, _req, ep_dir(ep)); + if (retval) + return retval; req->req.status = -EINPROGRESS; req->req.actual = 0; @@ -780,18 +757,7 @@ mv_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) return 0; err_unmap_dma: - if (req->mapped) { - dma_unmap_single(ep->udc->gadget.dev.parent, - req->req.dma, req->req.length, - ((ep_dir(ep) == EP_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_dir(ep) == EP_DIR_IN) ? - DMA_TO_DEVICE : DMA_FROM_DEVICE)); + usb_gadget_unmap_request(&udc->gadget, _req, ep_dir(ep)); return retval; } @@ -1528,14 +1494,7 @@ udc_prime_status(struct mv_udc *udc, u8 direction, u16 status, bool empty) return 0; out: - if (req->mapped) { - dma_unmap_single(ep->udc->gadget.dev.parent, - req->req.dma, req->req.length, - ((ep_dir(ep) == EP_DIR_IN) ? - DMA_TO_DEVICE : DMA_FROM_DEVICE)); - req->req.dma = DMA_ADDR_INVALID; - req->mapped = 0; - } + usb_gadget_unmap_request(&udc->gadget, &req->req, ep_dir(ep)); return retval; } -- 2.7.4