add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/ethernet/sfc/mtd.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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  * Driver for Solarflare network controllers and boards
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  * Copyright 2005-2006 Fen Systems Ltd.
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  * Copyright 2006-2013 Solarflare Communications Inc.
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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
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- * by the Free Software Foundation, incorporated herein by reference.
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  */
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 #include <linux/module.h>
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@@ -66,6 +63,9 @@
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 		part->mtd.writesize = 1;
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+		if (!(part->mtd.flags & MTD_NO_ERASE))
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+			part->mtd.flags |= MTD_WRITEABLE;
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+
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 		part->mtd.owner = THIS_MODULE;
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 		part->mtd.priv = efx;
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 		part->mtd.name = part->name;