From 1bda9df8dd6d39ac369020594c82d3f70f3a4721 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Mon, 28 Jan 2013 16:57:02 +0200
Subject: [PATCH] usb: gadget: atmel_usba_udc: 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>
---
drivers/usb/gadget/atmel_usba_udc.c | 27 ++++++---------------------
1 file changed, 6 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 41518e6128086..94aeba84b21ea 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -489,13 +489,8 @@ request_complete(struct usba_ep *ep, struct usba_request *req, int status)
if (req->req.status == -EINPROGRESS)
req->req.status = status;
- if (req->mapped) {
- dma_unmap_single(
- &udc->pdev->dev, req->req.dma, req->req.length,
- ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->req.dma = DMA_ADDR_INVALID;
- req->mapped = 0;
- }
+ if (req->using_dma)
+ usb_gadget_unmap_request(&udc->gadget, &req->req, ep->is_in);
DBG(DBG_GADGET | DBG_REQ,
"%s: req %p complete: status %d, actual %u\n",
@@ -684,7 +679,6 @@ usba_ep_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags)
return NULL;
INIT_LIST_HEAD(&req->queue);
- req->req.dma = DMA_ADDR_INVALID;
return &req->req;
}
@@ -717,20 +711,11 @@ static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
return -EINVAL;
}
- req->using_dma = 1;
-
- if (req->req.dma == DMA_ADDR_INVALID) {
- req->req.dma = dma_map_single(
- &udc->pdev->dev, req->req.buf, req->req.length,
- ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->mapped = 1;
- } else {
- dma_sync_single_for_device(
- &udc->pdev->dev, req->req.dma, req->req.length,
- ep->is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->mapped = 0;
- }
+ ret = usb_gadget_map_request(&udc->gadget, &req->req, ep->is_in);
+ if (ret)
+ return ret;
+ req->using_dma = 1;
req->ctrl = USBA_BF(DMA_BUF_LEN, req->req.length)
| USBA_DMA_CH_EN | USBA_DMA_END_BUF_IE
| USBA_DMA_END_TR_EN | USBA_DMA_END_TR_IE;
--
2.30.2