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2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/iio/adc/sun4i-gpadc-iio.c
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@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /* ADC driver for sunxi platforms' (A10, A13 and A31) GPADC
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  *
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  * Copyright (c) 2016 Quentin Schulz <quentin.schulz@free-electrons.com>
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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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  * The Allwinner SoCs all have an ADC that can also act as a touchscreen
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  * controller and a thermal sensor.
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@@ -463,10 +460,8 @@
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 	atomic_set(atomic, 1);
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 	ret = platform_get_irq_byname(pdev, name);
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-	if (ret < 0) {
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-		dev_err(&pdev->dev, "no %s interrupt registered\n", name);
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+	if (ret < 0)
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 		return ret;
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-	}
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 	ret = regmap_irq_get_virq(mfd_dev->regmap_irqc, ret);
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 	if (ret < 0) {
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@@ -501,7 +496,6 @@
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 				struct iio_dev *indio_dev)
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 {
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 	struct sun4i_gpadc_iio *info = iio_priv(indio_dev);
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-	struct resource *mem;
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 	void __iomem *base;
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 	int ret;
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@@ -513,8 +507,7 @@
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 	indio_dev->num_channels = ARRAY_SIZE(sun8i_a33_gpadc_channels);
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 	indio_dev->channels = sun8i_a33_gpadc_channels;
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-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	base = devm_ioremap_resource(&pdev->dev, mem);
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+	base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(base))
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 		return PTR_ERR(base);
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@@ -626,8 +619,6 @@
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 	info->indio_dev = indio_dev;
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 	init_completion(&info->completion);
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 	indio_dev->name = dev_name(&pdev->dev);
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-	indio_dev->dev.parent = &pdev->dev;
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-	indio_dev->dev.of_node = pdev->dev.of_node;
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 	indio_dev->info = &sun4i_gpadc_iio_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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