change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/iio/multiplexer/iio-mux.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * IIO multiplexer driver
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  *
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  * Copyright (C) 2017 Axentia Technologies AB
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  *
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  * Author: Peter Rosin <peda@axentia.se>
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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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 #include <linux/err.h>
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@@ -357,11 +354,9 @@
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 		return -ENODEV;
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 	parent = devm_iio_channel_get(dev, "parent");
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-	if (IS_ERR(parent)) {
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-		if (PTR_ERR(parent) != -EPROBE_DEFER)
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-			dev_err(dev, "failed to get parent channel\n");
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-		return PTR_ERR(parent);
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-	}
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+	if (IS_ERR(parent))
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+		return dev_err_probe(dev, PTR_ERR(parent),
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+				     "failed to get parent channel\n");
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 	sizeof_ext_info = iio_get_channel_ext_info_count(parent);
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 	if (sizeof_ext_info) {
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@@ -398,7 +393,6 @@
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 	mux->cached_state = -1;
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 	indio_dev->name = dev_name(dev);
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-	indio_dev->dev.parent = dev;
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 	indio_dev->info = &mux_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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 	indio_dev->channels = mux->chan;