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-rw-r--r--drivers/net/usb/smsc95xx.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index df9179a1c93b..d222d7e25273 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -709,6 +709,8 @@ static void smsc95xx_start_rx_path(struct usbnet *dev)
709 709
710static int smsc95xx_phy_initialize(struct usbnet *dev) 710static int smsc95xx_phy_initialize(struct usbnet *dev)
711{ 711{
712 int bmcr, timeout = 0;
713
712 /* Initialize MII structure */ 714 /* Initialize MII structure */
713 dev->mii.dev = dev->net; 715 dev->mii.dev = dev->net;
714 dev->mii.mdio_read = smsc95xx_mdio_read; 716 dev->mii.mdio_read = smsc95xx_mdio_read;
@@ -717,7 +719,20 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
717 dev->mii.reg_num_mask = 0x1f; 719 dev->mii.reg_num_mask = 0x1f;
718 dev->mii.phy_id = SMSC95XX_INTERNAL_PHY_ID; 720 dev->mii.phy_id = SMSC95XX_INTERNAL_PHY_ID;
719 721
722 /* reset phy and wait for reset to complete */
720 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); 723 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
724
725 do {
726 msleep(10);
727 bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
728 timeout++;
729 } while ((bmcr & MII_BMCR) && (timeout < 100));
730
731 if (timeout >= 100) {
732 netdev_warn(dev->net, "timeout on PHY Reset");
733 return -EIO;
734 }
735
721 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 736 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
722 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | 737 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
723 ADVERTISE_PAUSE_ASYM); 738 ADVERTISE_PAUSE_ASYM);