add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/sungem_phy.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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  * PHY drivers for the sungem ethernet driver.
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  *
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@@ -453,6 +454,7 @@
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 		int can_low_power = 1;
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 		if (np == NULL || of_get_property(np, "no-autolowpower", NULL))
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 			can_low_power = 0;
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+		of_node_put(np);
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 		if (can_low_power) {
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 			/* Enable automatic low-power */
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 			sungem_phy_write(phy, 0x1c, 0x9002);