修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/i2c/busses/i2c-efm32.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2014 Uwe Kleine-Koenig for Pengutronix
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- *
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- * This program is free software; you can redistribute it and/or modify it under
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- * the terms of the GNU General Public License version 2 as published by the
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- * Free Software Foundation.
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  */
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 #include <linux/module.h>
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 #include <linux/platform_device.h>
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@@ -315,9 +312,6 @@
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 	int ret;
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 	u32 clkdiv;
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-	if (!np)
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-		return -EINVAL;
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-
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 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
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 	if (!ddata)
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 		return -ENOMEM;
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@@ -338,24 +332,17 @@
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 		return ret;
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 	}
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	if (!res) {
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-		dev_err(&pdev->dev, "failed to determine base address\n");
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-		return -ENODEV;
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-	}
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+	ddata->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
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+	if (IS_ERR(ddata->base))
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+		return PTR_ERR(ddata->base);
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 	if (resource_size(res) < 0x42) {
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 		dev_err(&pdev->dev, "memory resource too small\n");
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 		return -EINVAL;
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 	}
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-	ddata->base = devm_ioremap_resource(&pdev->dev, res);
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-	if (IS_ERR(ddata->base))
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-		return PTR_ERR(ddata->base);
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-
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 	ret = platform_get_irq(pdev, 0);
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 	if (ret <= 0) {
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-		dev_err(&pdev->dev, "failed to get irq (%d)\n", ret);
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 		if (!ret)
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 			ret = -EINVAL;
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 		return ret;
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@@ -391,7 +378,7 @@
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 	if (!ret) {
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 		dev_dbg(&pdev->dev, "using frequency %u\n", frequency);
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 	} else {
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-		frequency = 100000;
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+		frequency = I2C_MAX_STANDARD_MODE_FREQ;
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 		dev_info(&pdev->dev, "defaulting to 100 kHz\n");
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 	}
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 	ddata->frequency = frequency;