net: xilinx: emaclite: Fallback to random MAC address.

If the address configured in the device tree is invalid, the
driver will fallback to using a random address from the locally
administered range.

Signed-off-by: Daniel Romell <daro@hms.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Romell 2016-08-19 14:12:01 +02:00 committed by David S. Miller
parent ff2e7d5d51
commit 5575cf133c

View File

@ -1131,11 +1131,13 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
lp->rx_ping_pong = get_bool(ofdev, "xlnx,rx-ping-pong");
mac_address = of_get_mac_address(ofdev->dev.of_node);
if (mac_address)
if (mac_address) {
/* Set the MAC address. */
memcpy(ndev->dev_addr, mac_address, ETH_ALEN);
else
dev_warn(dev, "No MAC address found\n");
} else {
dev_warn(dev, "No MAC address found, using random\n");
eth_hw_addr_random(ndev);
}
/* Clear the Tx CSR's in case this is a restart */
__raw_writel(0, lp->base_addr + XEL_TSR_OFFSET);