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net: ethernet: ax88796: support generating a random mac address 

Instead of falling back to 00:00:00:00:00:00 generate a random address
if none is provided via platform data or from the device's register
space.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Uwe Kleine-König 2017-05-25 22:55:11 +02:00 committed by David S. Miller
parent db48cc2d31
commit 03d1da3c05
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/8390/ax88796.c
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@ -723,6 +723,12 @@ static int ax_init_dev(struct net_device *dev)
ax->plat->mac_addr)
memcpy(dev->dev_addr, ax->plat->mac_addr, ETH_ALEN);
if (!is_valid_ether_addr(dev->dev_addr)) {
eth_hw_addr_random(dev);
dev_info(&dev->dev, "Using random MAC address: %pM\n",
dev->dev_addr);
}
ax_reset_8390(dev);
ei_local->name = "AX88796";