add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/net/wireless/ti/wlcore/boot.c
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@@ -1,24 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * This file is part of wl1271
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  *
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  * Copyright (C) 2008-2010 Nokia Corporation
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  *
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  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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- * 02110-1301 USA
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- *
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  */
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 #include <linux/slab.h>
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@@ -86,6 +72,7 @@
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 	unsigned int *min_ver = (wl->fw_type == WL12XX_FW_TYPE_MULTI) ?
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 		wl->min_mr_fw_ver : wl->min_sr_fw_ver;
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 	char min_fw_str[32] = "";
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+	int off = 0;
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 	int i;
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 	/* the chip must be exactly equal */
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@@ -119,13 +106,15 @@
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 	return 0;
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 fail:
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-	for (i = 0; i < NUM_FW_VER; i++)
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+	for (i = 0; i < NUM_FW_VER && off < sizeof(min_fw_str); i++)
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 		if (min_ver[i] == WLCORE_FW_VER_IGNORE)
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-			snprintf(min_fw_str, sizeof(min_fw_str),
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-				  "%s*.", min_fw_str);
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+			off += snprintf(min_fw_str + off,
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+					sizeof(min_fw_str) - off,
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+					"*.");
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 		else
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-			snprintf(min_fw_str, sizeof(min_fw_str),
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-				  "%s%u.", min_fw_str, min_ver[i]);
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+			off += snprintf(min_fw_str + off,
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+					sizeof(min_fw_str) - off,
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+					"%u.", min_ver[i]);
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 	wl1271_error("Your WiFi FW version (%u.%u.%u.%u.%u) is invalid.\n"
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 		     "Please use at least FW %s\n"