static int mcs7830_init_common(struct usb_device *udev)
{
int timeout;
int have_link;
debug("%s()\n", __func__);
timeout = 0;
do {
have_link = mcs7830_read_phy(udev, MII_BMSR) & BMSR_LSTATUS;
if (have_link)
break;
udelay(LINKSTATUS_TIMEOUT_RES * 1000);
timeout += LINKSTATUS_TIMEOUT_RES;
} while (timeout < LINKSTATUS_TIMEOUT);
if (!have_link) {
debug("ethernet link is down\n");
return -ETIMEDOUT;
}
return 0;
}
/*
* mcs7830_init() - network interface's init callback
* @eth: network device to initialize
* @bd: board information
* Return: zero upon success, negative upon error
*
* after initial setup during probe() and get_info(), this init() callback
* ensures that the link is up and subsequent send() and recv() calls can
* exchange ethernet frames
*/
static int mcs7830_init(struct eth_device *eth, bd_t *bd)
{
struct ueth_data *dev;
int timeout;
int have_link;
debug("%s()\n", __func__);
dev = eth->priv;
timeout = 0;
do {
have_link = mcs7830_read_phy(dev, MII_BMSR) & BMSR_LSTATUS;
if (have_link)
break;
udelay(LINKSTATUS_TIMEOUT_RES * 1000);
timeout += LINKSTATUS_TIMEOUT_RES;
} while (timeout < LINKSTATUS_TIMEOUT);
if (!have_link) {
debug("ethernet link is down\n");
return -ETIMEDOUT;
}
return 0;
}