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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 <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-01-28 17:03:21 +02:00
parent 1bda9df8dd
commit 5f6da77857
1 changed files with 13 additions and 38 deletions
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51
drivers/usb/gadget/fsl_udc_core.c
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@ -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))