From 5f6da778578de6b7c43b943cf9cfba12289e9ff3 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 28 Jan 2013 17:03:21 +0200 Subject: [PATCH] usb: gadget: fsl_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/fsl_udc_core.c | 51 ++++++++----------------------- 1 file changed, 13 insertions(+), 38 deletions(-) diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index f33b9005eeac..c948241c6507 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -185,20 +185,7 @@ static void done(struct fsl_ep *ep, struct fsl_req *req, int status) dma_pool_free(udc->td_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_is_in(ep) - ? 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_is_in(ep) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); + usb_gadget_unmap_request(&ep->udc->gadget, &req->req, ep_is_in(ep)); if (status && (status != -ESHUTDOWN)) VDBG("complete %s req %p stat %d len %u/%u", @@ -888,6 +875,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) struct fsl_req *req = container_of(_req, struct fsl_req, req); struct fsl_udc *udc; unsigned long flags; + int ret; /* catch various bogus parameters */ if (!_req || !req->req.complete || !req->req.buf @@ -910,22 +898,9 @@ fsl_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_is_in(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_is_in(ep) - ? DMA_TO_DEVICE - : DMA_FROM_DEVICE); - req->mapped = 0; - } + ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep)); + if (ret) + return ret; req->req.status = -EINPROGRESS; req->req.actual = 0; @@ -1290,6 +1265,7 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction) { struct fsl_req *req = udc->status_req; struct fsl_ep *ep; + int ret; if (direction == EP_DIR_IN) udc->ep0_dir = USB_DIR_IN; @@ -1307,10 +1283,9 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction) req->req.complete = NULL; req->dtd_count = 0; - req->req.dma = dma_map_single(ep->udc->gadget.dev.parent, - req->req.buf, req->req.length, - ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->mapped = 1; + ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep)); + if (ret) + return ret; if (fsl_req_to_dtd(req, GFP_ATOMIC) == 0) fsl_queue_td(ep, req); @@ -1353,6 +1328,7 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value, u16 tmp = 0; /* Status, cpu endian */ struct fsl_req *req; struct fsl_ep *ep; + int ret; ep = &udc->eps[0]; @@ -1390,10 +1366,9 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value, req->req.complete = NULL; req->dtd_count = 0; - req->req.dma = dma_map_single(ep->udc->gadget.dev.parent, - req->req.buf, req->req.length, - ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - req->mapped = 1; + ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep)); + if (ret) + goto stall; /* prime the data phase */ if ((fsl_req_to_dtd(req, GFP_ATOMIC) == 0)) -- 2.30.2