add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/base/regmap/regmap-w1.c
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@@ -1,13 +1,9 @@
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-/*
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- * Register map access API - W1 (1-Wire) support
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- *
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- * Copyright (c) 2017 Radioavionica Corporation
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- * Author: Alex A. Mihaylov <minimumlaw@rambler.ru>
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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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+// SPDX-License-Identifier: GPL-2.0
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+//
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+// Register map access API - W1 (1-Wire) support
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+//
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+// Copyright (c) 2017 Radioavionica Corporation
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+// Author: Alex A. Mihaylov <minimumlaw@rambler.ru>
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 #include <linux/regmap.h>
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 #include <linux/module.h>
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@@ -219,8 +215,6 @@
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 	return __regmap_init(w1_dev, bus, w1_dev, config,
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 			 lock_key, lock_name);
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-
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-	return NULL;
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 }
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 EXPORT_SYMBOL_GPL(__regmap_init_w1);
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@@ -237,8 +231,6 @@
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 	return __devm_regmap_init(w1_dev, bus, w1_dev, config,
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 				 lock_key, lock_name);
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-
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-	return NULL;
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 }
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 EXPORT_SYMBOL_GPL(__devm_regmap_init_w1);
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