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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/iio/dac/lpc18xx_dac.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * IIO DAC driver for NXP LPC18xx DAC
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  *
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  * Copyright (C) 2016 Joachim Eastwood <manabian@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * UNSUPPORTED hardware features:
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  *  - Interrupts
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@@ -109,7 +106,6 @@
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 {
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 	struct iio_dev *indio_dev;
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 	struct lpc18xx_dac *dac;
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-	struct resource *res;
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 	int ret;
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 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*dac));
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@@ -120,8 +116,7 @@
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 	dac = iio_priv(indio_dev);
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 	mutex_init(&dac->lock);
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	dac->base = devm_ioremap_resource(&pdev->dev, res);
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+	dac->base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(dac->base))
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 		return PTR_ERR(dac->base);
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@@ -138,7 +133,6 @@
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 	}
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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->info = &lpc18xx_dac_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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 	indio_dev->channels = lpc18xx_dac_iio_channels;