openwrt-owl/target/linux/imx6/patches-4.4/208-sky2-allow-mac-to-come-...

29 lines
755 B
Diff

--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4812,7 +4812,24 @@ static struct net_device *sky2_init_netd
* 1) from device tree data
* 2) from internal registers set by bootloader
*/
- iap = of_get_mac_address(hw->pdev->dev.of_node);
+
+ iap = NULL;
+ if (IS_ENABLED(CONFIG_OF)) {
+ struct device_node *np;
+ np = of_find_node_by_path("/aliases");
+ if (np) {
+ const char *path = of_get_property(np, "sky2", NULL);
+ if (path)
+ np = of_find_node_by_path(path);
+ if (np)
+ path = of_get_mac_address(np);
+ if (path)
+ iap = (unsigned char *) path;
+ }
+ }
+
+ if (!iap)
+ iap = of_get_mac_address(hw->pdev->dev.of_node);
if (iap)
memcpy(dev->dev_addr, iap, ETH_ALEN);
else