static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
..
//CRZ begin
memcpy(dev->dev_addr, config->dev_addr, 6);    /* CRZ  crazyboy */
printk("CRZ User MAC address: %pM\n", config->dev_addr);
//CRZ end
/* Check if mac address has been specified when bringing interface up */
if (is_valid_ether_addr(dev->dev_addr)) {
smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
SMSC_TRACE(pdata, 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(pdata, probe,
  "MAC Address specified by platform data");
} else {

/* platform_device configuration data, should be assigned to
* the platform_device's dev.platform_data */
struct smsc911x_platform_config {
unsigned int irq_polarity;
unsigned int irq_type;
unsigned int flags;
unsigned int shift;
phy_interface_t phy_interface;
unsigned char mac[6];//EEPROM
unsigned char dev_addr[6];  /*CRZ  by crazyboy */
};

static struct smsc911x_platform_config smsc9215_config = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
.phy_interface = PHY_INTERFACE_MODE_MII,
.mac = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
};

static struct platform_device smdkv310_smsc911x = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smdkv310_smsc911x_resources),
.resource = smdkv310_smsc911x_resources,
.dev = {
.platform_data = &smsc9215_config,
},
};
//CRZ Begin
/* need to get the ether addr from armboot */
static int __init ethaddr_setup(char *line)
{
       char *ep;
       int i;

       /* there should really be routines to do this stuff */
// Changed by CRZ. icanjji. 2011.0420
       for (i = 0; i < 6; i++) {
               smsc9215_config.dev_addr[i] = line ? simple_strtoul(line, &ep, 16) : 0;
               if (line)
                       line = (*ep) ? ep+1 : ep;
       }
       printk("User MAC address: %pM\n", smsc9215_config.dev_addr);
       return 0;
}
__setup("ethaddr=", ethaddr_setup);
//CRZ end