修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/usb/gadget/udc/fotg210-udc.c
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@@ -326,6 +326,7 @@
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 static void fotg210_start_dma(struct fotg210_ep *ep,
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 			struct fotg210_request *req)
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 {
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+	struct device *dev = &ep->fotg210->gadget.dev;
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 	dma_addr_t d;
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 	u8 *buffer;
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 	u32 length;
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@@ -349,17 +350,13 @@
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 			length = req->req.length - req->req.actual;
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 	}
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-	d = dma_map_single(NULL, buffer, length,
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+	d = dma_map_single(dev, buffer, length,
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 			ep->dir_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
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-	if (dma_mapping_error(NULL, d)) {
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+	if (dma_mapping_error(dev, d)) {
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 		pr_err("dma_mapping_error\n");
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 		return;
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 	}
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-
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-	dma_sync_single_for_device(NULL, d, length,
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-				   ep->dir_in ? DMA_TO_DEVICE :
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-					DMA_FROM_DEVICE);
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 	fotg210_enable_dma(ep, d, length);
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@@ -371,7 +368,7 @@
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 	/* update actual transfer length */
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 	req->req.actual += length;
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-	dma_unmap_single(NULL, d, length, DMA_TO_DEVICE);
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+	dma_unmap_single(dev, d, length, DMA_TO_DEVICE);
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 }
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 static void fotg210_ep0_queue(struct fotg210_ep *ep,
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@@ -484,7 +481,6 @@
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 	struct fotg210_ep *ep;
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 	struct fotg210_udc *fotg210;
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 	unsigned long flags;
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-	int ret = 0;
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 	ep = container_of(_ep, struct fotg210_ep, ep);
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@@ -507,7 +503,7 @@
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 	}
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 	spin_unlock_irqrestore(&ep->fotg210->lock, flags);
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-	return ret;
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+	return 0;
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 }
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 static int fotg210_ep_set_halt(struct usb_ep *_ep, int value)
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@@ -633,10 +629,10 @@
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 static void fotg210_set_address(struct fotg210_udc *fotg210,
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 				struct usb_ctrlrequest *ctrl)
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 {
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-	if (ctrl->wValue >= 0x0100) {
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+	if (le16_to_cpu(ctrl->wValue) >= 0x0100) {
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 		fotg210_request_error(fotg210);
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 	} else {
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-		fotg210_set_dev_addr(fotg210, ctrl->wValue);
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+		fotg210_set_dev_addr(fotg210, le16_to_cpu(ctrl->wValue));
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 		fotg210_set_cxdone(fotg210);
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 	}
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 }
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@@ -717,17 +713,17 @@
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 	switch (ctrl->bRequestType & USB_RECIP_MASK) {
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 	case USB_RECIP_DEVICE:
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-		fotg210->ep0_data = 1 << USB_DEVICE_SELF_POWERED;
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+		fotg210->ep0_data = cpu_to_le16(1 << USB_DEVICE_SELF_POWERED);
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 		break;
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 	case USB_RECIP_INTERFACE:
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-		fotg210->ep0_data = 0;
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+		fotg210->ep0_data = cpu_to_le16(0);
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 		break;
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 	case USB_RECIP_ENDPOINT:
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 		epnum = ctrl->wIndex & USB_ENDPOINT_NUMBER_MASK;
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 		if (epnum)
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 			fotg210->ep0_data =
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-				fotg210_is_epnstall(fotg210->ep[epnum])
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-				<< USB_ENDPOINT_HALT;
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+				cpu_to_le16(fotg210_is_epnstall(fotg210->ep[epnum])
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+					    << USB_ENDPOINT_HALT);
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 		else
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 			fotg210_request_error(fotg210);
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 		break;
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@@ -1213,7 +1209,7 @@
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 static struct platform_driver fotg210_driver = {
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 	.driver		= {
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-		.name =	(char *)udc_name,
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+		.name =	udc_name,
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 	},
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 	.probe		= fotg210_udc_probe,
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 	.remove		= fotg210_udc_remove,