add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/i2c/busses/i2c-ibm_iic.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * drivers/i2c/busses/i2c-ibm_iic.c
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  *
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@@ -23,12 +24,6 @@
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  *
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  *   	With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi>
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  *	and even Frodo Looijaard <frodol@dds.nl>
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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- *
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  */
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 #include <linux/module.h>
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@@ -437,7 +432,7 @@
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 				break;
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 			}
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-			if (unlikely(signal_pending(current))){
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+			if (signal_pending(current)){
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 				DBG("%d: poll interrupted\n", dev->idx);
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 				ret = -ERESTARTSYS;
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 				break;
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@@ -699,10 +694,8 @@
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 	int ret;
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 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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-	if (!dev) {
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-		dev_err(&ofdev->dev, "failed to allocate device data\n");
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+	if (!dev)
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 		return -ENOMEM;
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-	}
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 	platform_set_drvdata(ofdev, dev);
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