aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/usb/lan78xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/usb/lan78xx.c')
-rw-r--r--drivers/net/usb/lan78xx.c44
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 1fb464837b3e..9881edc568ba 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2083,10 +2083,6 @@ static int lan78xx_phy_init(struct lan78xx_net *dev)
dev->fc_autoneg = phydev->autoneg;
- phy_start(phydev);
-
- netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
-
return 0;
error:
@@ -2352,6 +2348,7 @@ static int lan78xx_reset(struct lan78xx_net *dev)
u32 buf;
int ret = 0;
unsigned long timeout;
+ u8 sig;
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
buf |= HW_CFG_LRST_;
@@ -2451,6 +2448,15 @@ static int lan78xx_reset(struct lan78xx_net *dev)
/* LAN7801 only has RGMII mode */
if (dev->chipid == ID_REV_CHIP_ID_7801_)
buf &= ~MAC_CR_GMII_EN_;
+
+ if (dev->chipid == ID_REV_CHIP_ID_7800_) {
+ ret = lan78xx_read_raw_eeprom(dev, 0, 1, &sig);
+ if (!ret && sig != EEPROM_INDICATOR) {
+ /* Implies there is no external eeprom. Set mac speed */
+ netdev_info(dev->net, "No External EEPROM. Setting MAC Speed\n");
+ buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
+ }
+ }
ret = lan78xx_write_reg(dev, MAC_CR, buf);
ret = lan78xx_read_reg(dev, MAC_TX, &buf);
@@ -2513,9 +2519,9 @@ static int lan78xx_open(struct net_device *net)
if (ret < 0)
goto done;
- ret = lan78xx_phy_init(dev);
- if (ret < 0)
- goto done;
+ phy_start(net->phydev);
+
+ netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
/* for Link Check */
if (dev->urb_intr) {
@@ -2576,13 +2582,8 @@ static int lan78xx_stop(struct net_device *net)
if (timer_pending(&dev->stat_monitor))
del_timer_sync(&dev->stat_monitor);
- phy_unregister_fixup_for_uid(PHY_KSZ9031RNX, 0xfffffff0);
- phy_unregister_fixup_for_uid(PHY_LAN8835, 0xfffffff0);
-
- phy_stop(net->phydev);
- phy_disconnect(net->phydev);
-
- net->phydev = NULL;
+ if (net->phydev)
+ phy_stop(net->phydev);
clear_bit(EVENT_DEV_OPEN, &dev->flags);
netif_stop_queue(net);
@@ -3497,8 +3498,13 @@ static void lan78xx_disconnect(struct usb_interface *intf)
return;
udev = interface_to_usbdev(intf);
-
net = dev->net;
+
+ phy_unregister_fixup_for_uid(PHY_KSZ9031RNX, 0xfffffff0);
+ phy_unregister_fixup_for_uid(PHY_LAN8835, 0xfffffff0);
+
+ phy_disconnect(net->phydev);
+
unregister_netdev(net);
cancel_delayed_work_sync(&dev->wq);
@@ -3658,8 +3664,14 @@ static int lan78xx_probe(struct usb_interface *intf,
pm_runtime_set_autosuspend_delay(&udev->dev,
DEFAULT_AUTOSUSPEND_DELAY);
+ ret = lan78xx_phy_init(dev);
+ if (ret < 0)
+ goto out4;
+
return 0;
+out4:
+ unregister_netdev(netdev);
out3:
lan78xx_unbind(dev, intf);
out2:
@@ -4007,7 +4019,7 @@ static int lan78xx_reset_resume(struct usb_interface *intf)
lan78xx_reset(dev);
- lan78xx_phy_init(dev);
+ phy_start(dev->net->phydev);
return lan78xx_resume(intf);
}