--- a/drivers/of/of_net.c +++ b/drivers/of/of_net.c @@ -95,6 +95,27 @@ static int of_get_mac_addr_nvmem(struct return 0; } +static int of_add_mac_address(struct device_node *np, u8* addr) +{ + struct property *prop; + + prop = kzalloc(sizeof(*prop), GFP_KERNEL); + if (!prop) + return -ENOMEM; + + prop->name = "mac-address"; + prop->length = ETH_ALEN; + prop->value = kmemdup(addr, ETH_ALEN, GFP_KERNEL); + if (!prop->value || of_update_property(np, prop)) + goto free; + + return 0; +free: + kfree(prop->value); + kfree(prop); + return -ENOMEM; +} + /** * Search the device tree for the best MAC address to use. 'mac-address' is * checked first, because that is supposed to contain to "most recent" MAC @@ -171,6 +192,7 @@ found: addr[5] = (mac_val >> 0) & 0xff; } + of_add_mac_address(np, addr); return ret; } EXPORT_SYMBOL(of_get_mac_address);