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usb: gadget: fusb300: 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 17:08:28 +02:00
parent 5f6da77857
commit 0324f25fc6
1 changed files with 7 additions and 10 deletions
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17
drivers/usb/gadget/fusb300_udc.c
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@ -938,25 +938,22 @@ IDMA_RESET:
static void fusb300_set_idma(struct fusb300_ep *ep,
struct fusb300_request *req)
{
dma_addr_t d;
int ret;
d = dma_map_single(NULL, req->req.buf, req->req.length, DMA_TO_DEVICE);
if (dma_mapping_error(NULL, d)) {
printk(KERN_DEBUG "dma_mapping_error\n");
ret = usb_gadget_map_request(&ep->fusb300->gadget,
&req->req, DMA_TO_DEVICE);
if (ret)
return;
}
dma_sync_single_for_device(NULL, d, req->req.length, DMA_TO_DEVICE);
fusb300_enable_bit(ep->fusb300, FUSB300_OFFSET_IGER0,
FUSB300_IGER0_EEPn_PRD_INT(ep->epnum));
fusb300_fill_idma_prdtbl(ep, d, req->req.length);
fusb300_fill_idma_prdtbl(ep, req->req.dma, req->req.length);
/* check idma is done */
fusb300_wait_idma_finished(ep);
dma_unmap_single(NULL, d, req->req.length, DMA_TO_DEVICE);
usb_gadget_unmap_request(&ep->fusb300->gadget,
&req->req, DMA_TO_DEVICE);
}
static void in_ep_fifo_handler(struct fusb300_ep *ep)