修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/usb/gadget/udc/gr_udc.c
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@@ -8,7 +8,7 @@
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  * GRLIB VHDL IP core library.
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  *
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  * Full documentation of the GRUSBDC core can be found here:
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- * http://www.gaisler.com/products/grlib/grip.pdf
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+ * https://www.gaisler.com/products/grlib/grip.pdf
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  *
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  * Contributors:
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  * - Andreas Larsson <andreas@gaisler.com>
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@@ -29,6 +29,7 @@
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 #include <linux/list.h>
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 #include <linux/interrupt.h>
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 #include <linux/device.h>
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+#include <linux/usb.h>
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 #include <linux/usb/ch9.h>
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 #include <linux/usb/gadget.h>
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 #include <linux/dma-mapping.h>
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@@ -47,7 +48,6 @@
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 #define	DRIVER_DESC	"Aeroflex Gaisler GRUSBDC USB Peripheral Controller"
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 static const char driver_name[] = DRIVER_NAME;
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-static const char driver_desc[] = DRIVER_DESC;
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 #define gr_read32(x) (ioread32be((x)))
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 #define gr_write32(x, v) (iowrite32be((v), (x)))
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@@ -208,7 +208,7 @@
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 {
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 	const char *name = "gr_udc_state";
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-	dev->dfs_root = debugfs_create_dir(dev_name(dev->dev), NULL);
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+	dev->dfs_root = debugfs_create_dir(dev_name(dev->dev), usb_debug_root);
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 	debugfs_create_file(name, 0444, dev->dfs_root, dev, &gr_dfs_fops);
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 }
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@@ -912,9 +912,9 @@
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 			return gr_ep0_respond_empty(dev);
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 		case USB_DEVICE_TEST_MODE:
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-			/* The hardware does not support TEST_FORCE_EN */
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+			/* The hardware does not support USB_TEST_FORCE_ENABLE */
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 			test = index >> 8;
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-			if (test >= TEST_J && test <= TEST_PACKET) {
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+			if (test >= USB_TEST_J && test <= USB_TEST_PACKET) {
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 				dev->test_mode = test;
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 				return gr_ep0_respond(dev, NULL, 0,
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 						      gr_ep0_testmode_complete);
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@@ -2121,7 +2121,6 @@
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 static int gr_probe(struct platform_device *pdev)
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 {
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 	struct gr_udc *dev;
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-	struct resource *res;
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 	struct gr_regs __iomem *regs;
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 	int retval;
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 	u32 status;
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@@ -2131,25 +2130,20 @@
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 		return -ENOMEM;
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 	dev->dev = &pdev->dev;
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	regs = devm_ioremap_resource(dev->dev, res);
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+	regs = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(regs))
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 		return PTR_ERR(regs);
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 	dev->irq = platform_get_irq(pdev, 0);
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-	if (dev->irq <= 0) {
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-		dev_err(dev->dev, "No irq found\n");
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+	if (dev->irq <= 0)
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 		return -ENODEV;
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-	}
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 	/* Some core configurations has separate irqs for IN and OUT events */
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 	dev->irqi = platform_get_irq(pdev, 1);
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 	if (dev->irqi > 0) {
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 		dev->irqo = platform_get_irq(pdev, 2);
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-		if (dev->irqo <= 0) {
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-			dev_err(dev->dev, "Found irqi but not irqo\n");
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+		if (dev->irqo <= 0)
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 			return -ENODEV;
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-		}
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 	} else {
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 		dev->irqi = 0;
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 	}