Commit ff6e7228 authored Apr 29, 2013 by Sergei Shtylyov Committed by David S. Miller Apr 30, 2013

sh_eth: use random MAC address if no valid one supplied

On Renesas R-Car based development boards, although a MAC address is printed on
all the Ethernet port labels, U-Boot doesn't write a valid MAC address to the
Ether MAHR/MALR registers (there's no storage provided for the Ether MAC address
either), so we have to resort to using a random MAC address...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 3b54912f

drivers/net/ethernet/renesas/sh_eth.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2735,6 +2735,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev)

		/* read and set MAC address */
		read_mac_address(ndev, pd->mac_addr);
		if (!is_valid_ether_addr(ndev->dev_addr)) {
		dev_warn(&pdev->dev,
		"no valid MAC address supplied, using a random one.\n");
		eth_hw_addr_random(ndev);
		}

		/* ioremap the TSU registers */
		if (mdp->cd->tsu) {