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From 5bf2dabde1fa3af0c9082b42b6847ef3fd198b13 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 9 Aug 2015 12:53:55 +0200
Subject: [PATCH] stmac: platform: add support for retreiving mac from mtd
---
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -116,6 +116,19 @@ stmmac_probe_config_dt(struct platform_d
return ERR_PTR(-ENOMEM);
*mac = of_get_mac_address(np);
+ if (!*mac) {
+ u8 mtd_mac[ETH_ALEN];
+ int ret;
+
+ ret = of_get_mac_address_mtd(np, mtd_mac);
+ if (ret == -EPROBE_DEFER)
+ return ERR_PTR(ret);
+
+ if (is_valid_ether_addr(mtd_mac))
+ *mac = devm_kmemdup(&pdev->dev, mtd_mac, ETH_ALEN,
+ GFP_KERNEL);
+ }
+
plat->interface = of_get_phy_mode(np);
/* Get max speed of operation from device tree */
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