提交 5620df65 编写于 作者: L Lucas Stach 提交者: David S. Miller

net: asix: init ASIX AX88772B MAC from EEPROM

The device comes up with a MAC address of all zeros. We need to read the
initial device MAC from EEPROM so it can be set properly later.
Signed-off-by: NLucas Stach <dev@lynxeye.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 a16af2ff
......@@ -167,6 +167,9 @@ struct asix_data {
u8 res;
};
/* ASIX specific flags */
#define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */
int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data);
......
......@@ -422,14 +422,25 @@ static const struct net_device_ops ax88772_netdev_ops = {
static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret, embd_phy;
int ret, embd_phy, i;
u8 buf[ETH_ALEN];
u32 phyid;
usbnet_get_endpoints(dev,intf);
/* Get the MAC address */
ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
if (dev->driver_info->data & FLAG_EEPROM_MAC) {
for (i = 0; i < (ETH_ALEN >> 1); i++) {
ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
0, 2, buf + i * 2);
if (ret < 0)
break;
}
} else {
ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
0, 0, ETH_ALEN, buf);
}
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
......@@ -872,6 +883,19 @@ static const struct driver_info ax88772_info = {
.tx_fixup = asix_tx_fixup,
};
static const struct driver_info ax88772b_info = {
.description = "ASIX AX88772B USB 2.0 Ethernet",
.bind = ax88772_bind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
.rx_fixup = asix_rx_fixup,
.tx_fixup = asix_tx_fixup,
.data = FLAG_EEPROM_MAC,
};
static const struct driver_info ax88178_info = {
.description = "ASIX AX88178 USB 2.0 Ethernet",
.bind = ax88178_bind,
......@@ -953,7 +977,7 @@ static const struct usb_device_id products [] = {
}, {
// ASIX AX88772B 10/100
USB_DEVICE (0x0b95, 0x772b),
.driver_info = (unsigned long) &ax88772_info,
.driver_info = (unsigned long) &ax88772b_info,
}, {
// ASIX AX88772 10/100
USB_DEVICE (0x0b95, 0x7720),
......
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