those routines have everything we need to map/unmap USB requests and it's better to use them.
Signed-off-by: Felipe Balbi <[email protected]> --- drivers/usb/gadget/amd5536udc.c | 33 ++++++--------------------------- 1 files changed, 6 insertions(+), 27 deletions(-) diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index c16ff55..e0ad9ee 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -831,20 +831,8 @@ __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; @@ -1095,20 +1083,11 @@ 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", -- 1.7.8.2 -- 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
