usb: gadget: fusb300: switch over to usb_gadget_map/unmap_request() (0324f25f) · Commits · 戴 / test

drivers/usb/gadget/fusb300_udc.c

+7 −10

Original line number	Diff line number	Diff line
		@@ -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)