net: smsc911x: allow platform_data to specify mac address

Extend the driver to accept a MAC address specified in platform_data.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index ccdd196..6a9f51d 100644 (file)
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -2071,6 +2071,9 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
        if (is_valid_ether_addr(dev->dev_addr)) {
                smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
                SMSC_TRACE(PROBE, "MAC Address is specified by configuration");
+       } else if (is_valid_ether_addr(pdata->config.mac)) {
+               memcpy(dev->dev_addr, pdata->config.mac, 6);
+               SMSC_TRACE(PROBE, "MAC Address specified by platform data");
        } else {
                /* Try reading mac address from device. if EEPROM is present
                 * it will already have been set */

diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h
index 5241e4f..7144e8a 100644 (file)
--- a/include/linux/smsc911x.h
+++ b/include/linux/smsc911x.h
@@ -30,6 +30,7 @@ struct smsc911x_platform_config {
        unsigned int irq_type;
        unsigned int flags;
        phy_interface_t phy_interface;
+       unsigned char mac[6];
 };
 
 /* Constants for platform_device irq polarity configuration */