From 220e860009ff4091b75f614eb0d09a7a8486bbe6 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 19 Dec 2011 12:01:28 +0200 Subject: usb: gadget: amd5536: use generic map/unmap routines those routines have everything we need to map/unmap USB requests and it's better to use them. Signed-off-by: Felipe Balbi --- drivers/usb/gadget/amd5536udc.c | 33 ++++++--------------------------- 1 file changed, 6 insertions(+), 27 deletions(-) (limited to 'drivers/usb/gadget/amd5536udc.c') diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index 1355a2f5e685..2204a4c68d85 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -827,20 +827,8 @@ __acquires(ep->dev->lock) dev = ep->dev; /* unmap DMA */ - if (req->dma_mapping) { - if (ep->in) - pci_unmap_single(dev->pdev, - req->req.dma, - req->req.length, - PCI_DMA_TODEVICE); - else - pci_unmap_single(dev->pdev, - req->req.dma, - req->req.length, - PCI_DMA_FROMDEVICE); - req->dma_mapping = 0; - req->req.dma = DMA_DONT_USE; - } + if (ep->dma) + usb_gadget_unmap_request(&dev->gadget, &req->req, ep->in); halted = ep->halted; ep->halted = 1; @@ -1089,20 +1077,11 @@ udc_queue(struct usb_ep *usbep, struct usb_request *usbreq, gfp_t gfp) return -ESHUTDOWN; /* map dma (usually done before) */ - if (ep->dma && usbreq->length != 0 - && (usbreq->dma == DMA_DONT_USE || usbreq->dma == 0)) { + if (ep->dma) { VDBG(dev, "DMA map req %p\n", req); - if (ep->in) - usbreq->dma = pci_map_single(dev->pdev, - usbreq->buf, - usbreq->length, - PCI_DMA_TODEVICE); - else - usbreq->dma = pci_map_single(dev->pdev, - usbreq->buf, - usbreq->length, - PCI_DMA_FROMDEVICE); - req->dma_mapping = 1; + retval = usb_gadget_map_request(&udc->gadget, usbreq, ep->in); + if (retval) + return retval; } VDBG(dev, "%s queue req %p, len %d req->td_data=%p buf %p\n", -- cgit v1.2.3