Re: [PATCH 9/9] usb: gadget: goku: use generic map/unmap routines

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Hello.

On 19-12-2011 14:30, Felipe Balbi wrote:

those routines have everything we need to map/unmap
USB requests and it's better to use them.

Signed-off-by: Felipe Balbi<balbi@xxxxxx>
---
  drivers/usb/gadget/goku_udc.c |   17 +++++++----------
  1 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 5af70fcc..bc47735 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
[...]
@@ -736,10 +732,11 @@ goku_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
  		return -EBUSY;

  	/* set up dma mapping in case the caller didn't */
-	if (ep->dma&&  _req->dma == DMA_ADDR_INVALID) {
-		_req->dma = pci_map_single(dev->pdev, _req->buf, _req->length,
-			ep->is_in ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);
-		req->mapped = 1;
+	if (ep->dma) {
+		status = usb_gadget_map_request(&dev->gadget, &req->req,

   Not '&_req->req'?

WBR, Sergei
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