修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/net/ethernet/broadcom/bgmac-platform.c
..
..
@@ -131,7 +131,7 @@
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 	switch (bgmac->net_dev->phydev->speed) {
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 	default:
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 		netdev_err(net_dev, "Unsupported speed. Defaulting to 1000Mb\n");
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-		/* fall through */
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+		fallthrough;
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 	case SPEED_1000:
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 		val |= NICPM_IOMUX_CTRL_SPD_1000M << NICPM_IOMUX_CTRL_SPD_SHIFT;
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 		break;
..
..
@@ -193,24 +193,17 @@
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 	bgmac->dma_dev = &pdev->dev;
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 	mac_addr = of_get_mac_address(np);
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-	if (mac_addr)
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+	if (!IS_ERR(mac_addr))
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 		ether_addr_copy(bgmac->net_dev->dev_addr, mac_addr);
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 	else
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 		dev_warn(&pdev->dev, "MAC address not present in device tree\n");
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 	bgmac->irq = platform_get_irq(pdev, 0);
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-	if (bgmac->irq < 0) {
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-		dev_err(&pdev->dev, "Unable to obtain IRQ\n");
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+	if (bgmac->irq < 0)
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 		return bgmac->irq;
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-	}
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-	regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "amac_base");
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-	if (!regs) {
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-		dev_err(&pdev->dev, "Unable to obtain base resource\n");
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-		return -EINVAL;
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-	}
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-
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-	bgmac->plat.base = devm_ioremap_resource(&pdev->dev, regs);
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+	bgmac->plat.base =
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+		devm_platform_ioremap_resource_byname(pdev, "amac_base");
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 	if (IS_ERR(bgmac->plat.base))
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 		return PTR_ERR(bgmac->plat.base);
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