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net: fec: make sure to init MAC address 

Though we made sure to acquire a valid MAC for
the netdevice we never actually programmed it
into the hardware.
So if the bootloader did not set the MAC,
network operation would only work if userspace
explicitly asked to transfer the MAC to hardware.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lucas Stach 2014-03-30 21:32:08 +02:00 committed by David S. Miller
parent 6dfac5c336
commit 44934fac21
1 changed files with 7 additions and 4 deletions
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11
drivers/net/ethernet/freescale/fec_main.c
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@ -1898,10 +1898,11 @@ fec_set_mac_address(struct net_device *ndev, void *p)
struct fec_enet_private *fep = netdev_priv(ndev);
struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
if (addr) {
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len);
}
writel(ndev->dev_addr[3] | (ndev->dev_addr[2] << 8) |
(ndev->dev_addr[1] << 16) | (ndev->dev_addr[0] << 24),
@ -2000,6 +2001,8 @@ static int fec_enet_init(struct net_device *ndev)
/* Get the Ethernet address */
fec_get_mac(ndev);
/* make sure MAC we just acquired is programmed into the hw */
fec_set_mac_address(ndev, NULL);
/* init the tx & rx ring size */
fep->tx_ring_size = TX_RING_SIZE;