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Date: Mon, 30 Jun 2014 18:38:30 +0200 From: Ondrej Zary <linux@...nbow-software.org> To: Samuel Chessman <chessman@....org> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 04/11] 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 <linux@...nbow-software.org> --- drivers/net/ethernet/ti/tlan.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c index ae9fece..31d4a96 100644 --- a/drivers/net/ethernet/ti/tlan.c +++ b/drivers/net/ethernet/ti/tlan.c @@ -864,7 +864,7 @@ 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]); @@ -872,7 +872,14 @@ 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); -- Ondrej Zary -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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