imx6: fix device-tree mac address assignment for ventana sky2/eth1
[openwrt/staging/yousong.git] / target / linux / imx6 / patches-4.3 / 208-sky2-allow-mac-to-come-from-dt.patch
1 Index: linux-4.3/drivers/net/ethernet/marvell/sky2.c
2 ===================================================================
3 --- linux-4.3.orig/drivers/net/ethernet/marvell/sky2.c 2015-11-01 16:05:25.000000000 -0800
4 +++ linux-4.3/drivers/net/ethernet/marvell/sky2.c 2015-12-18 10:39:44.983158318 -0800
5 @@ -4812,7 +4812,24 @@
6 * 1) from device tree data
7 * 2) from internal registers set by bootloader
8 */
9 - iap = of_get_mac_address(hw->pdev->dev.of_node);
10 +
11 + iap = NULL;
12 + if (IS_ENABLED(CONFIG_OF)) {
13 + struct device_node *np;
14 + np = of_find_node_by_path("/aliases");
15 + if (np) {
16 + const char *path = of_get_property(np, "sky2", NULL);
17 + if (path)
18 + np = of_find_node_by_path(path);
19 + if (np)
20 + path = of_get_mac_address(np);
21 + if (path)
22 + iap = (unsigned char *) path;
23 + }
24 + }
25 +
26 + if (!iap)
27 + iap = of_get_mac_address(hw->pdev->dev.of_node);
28 if (iap)
29 memcpy(dev->dev_addr, iap, ETH_ALEN);
30 else