add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/input/serio/libps2.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * PS/2 driver library
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  *
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@@ -5,11 +6,6 @@
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  * Copyright (c) 2004 Dmitry Torokhov
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  */
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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 version 2 as published by
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- * the Free Software Foundation.
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- */
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 #include <linux/delay.h>
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 #include <linux/module.h>
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@@ -409,6 +405,7 @@
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 			ps2dev->nak = PS2_RET_ERR;
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 			break;
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 		}
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+		/* Fall through */
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 	/*
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 	 * Workaround for mice which don't ACK the Get ID command.
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@@ -421,7 +418,7 @@
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 			ps2dev->nak = 0;
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 			break;
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 		}
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-		/* Fall through */
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+		fallthrough;
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 	default:
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 		/*
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 		 * Do not signal errors if we get unexpected reply while