diff options
Diffstat (limited to 'net/core/of_net.c')
-rw-r--r-- | net/core/of_net.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/core/of_net.c b/net/core/of_net.c index dbac3a172a11..f1a9bf7578e7 100644 --- a/net/core/of_net.c +++ b/net/core/of_net.c @@ -143,3 +143,28 @@ int of_get_mac_address(struct device_node *np, u8 *addr) return of_get_mac_addr_nvmem(np, addr); } EXPORT_SYMBOL(of_get_mac_address); + +/** + * of_get_ethdev_address() + * @np: Caller's Device Node + * @dev: Pointer to netdevice which address will be updated + * + * Search the device tree for the best MAC address to use. + * If found set @dev->dev_addr to that address. + * + * See documentation of of_get_mac_address() for more information on how + * the best address is determined. + * + * Return: 0 on success and errno in case of error. + */ +int of_get_ethdev_address(struct device_node *np, struct net_device *dev) +{ + u8 addr[ETH_ALEN]; + int ret; + + ret = of_get_mac_address(np, addr); + if (!ret) + eth_hw_addr_set(dev, addr); + return ret; +} +EXPORT_SYMBOL(of_get_ethdev_address); |