From: Ondrej Zary Date: Mon, 30 Jun 2014 16:38:30 +0000 (+0200) Subject: tlan: Fix MAC address byte order on OC-2325/OC-2326 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=59be4ad6bb01fa80b6ad2cf15163ccb617f7d603;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git tlan: Fix MAC address byte order on OC-2325/OC-2326 Olicom OC-2325 and OC-2326 cards have the MAC address byte-swapped in EEPROM. Byte-swap the MAC address if it's located at offset 0xF8. Signed-off-by: Ondrej Zary Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index 00ec926084ea..cacc76da91a2 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -863,7 +863,7 @@ static int tlan_init(struct net_device *dev) priv->rx_list_dma + sizeof(struct tlan_list)*TLAN_NUM_RX_LISTS; err = 0; - for (i = 0; i < 6 ; i++) + for (i = 0; i < ETH_ALEN; i++) err |= tlan_ee_read_byte(dev, (u8) priv->adapter->addr_ofs + i, (u8 *) &dev->dev_addr[i]); @@ -871,7 +871,14 @@ static int tlan_init(struct net_device *dev) pr_err("%s: Error reading MAC from eeprom: %d\n", dev->name, err); } - dev->addr_len = 6; + /* Olicom OC-2325/OC-2326 have the address byte-swapped */ + if (priv->adapter->addr_ofs == 0xf8) { + for (i = 0; i < ETH_ALEN; i += 2) { + char tmp = dev->dev_addr[i]; + dev->dev_addr[i] = dev->dev_addr[i + 1]; + dev->dev_addr[i + 1] = tmp; + } + } netif_carrier_off(dev);