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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
commit4dd9ec4946b4651a295d3bc8df9c15ac692a8f4e (patch)
treeafb300c752de7175bb2df4722d5c857e070c75d9 /drivers/net/sundance.c
parent86ed5a93b8b56e4e0877b914af0e10883a196384 (diff)
parent6861ff35ec5b60fafaf8651754c9a75142bfa9a4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1075 commits) myri10ge: update driver version number to 1.4.3-1.369 r8169: add shutdown handler r8169: preliminary 8168d support r8169: support additional 8168cp chipset r8169: change default behavior for mildly identified 8168c chipsets r8169: add a new 8168cp flavor r8169: add a new 8168c flavor (bis) r8169: add a new 8168c flavor r8169: sync existing 8168 device hardware start sequences with vendor driver r8169: 8168b Tx performance tweak r8169: make room for more specific 8168 hardware start procedure r8169: shuffle some registers handling around (8168 operation only) r8169: new phy init parameters for the 8168b r8169: update phy init parameters r8169: wake up the PHY of the 8168 af_key: fix SADB_X_SPDDELETE response ath9k: Fix return code when ath9k_hw_setpower() fails on reset ath9k: remove nasty FAIL macro from ath9k_hw_reset() gre: minor cleanups in netlink interface gre: fix copy and paste error ...
Diffstat (limited to 'drivers/net/sundance.c')
-rw-r--r--drivers/net/sundance.c95
1 files changed, 62 insertions, 33 deletions
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 7d5561b8241..f860ea15039 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -409,6 +409,7 @@ static int change_mtu(struct net_device *dev, int new_mtu);
static int eeprom_read(void __iomem *ioaddr, int location);
static int mdio_read(struct net_device *dev, int phy_id, int location);
static void mdio_write(struct net_device *dev, int phy_id, int location, int value);
+static int mdio_wait_link(struct net_device *dev, int wait);
static int netdev_open(struct net_device *dev);
static void check_duplex(struct net_device *dev);
static void netdev_timer(unsigned long data);
@@ -785,6 +786,24 @@ static void mdio_write(struct net_device *dev, int phy_id, int location, int val
return;
}
+static int mdio_wait_link(struct net_device *dev, int wait)
+{
+ int bmsr;
+ int phy_id;
+ struct netdev_private *np;
+
+ np = netdev_priv(dev);
+ phy_id = np->phys[0];
+
+ do {
+ bmsr = mdio_read(dev, phy_id, MII_BMSR);
+ if (bmsr & 0x0004)
+ return 0;
+ mdelay(1);
+ } while (--wait > 0);
+ return -1;
+}
+
static int netdev_open(struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
@@ -1393,41 +1412,51 @@ static void netdev_error(struct net_device *dev, int intr_status)
int speed;
if (intr_status & LinkChange) {
- if (np->an_enable) {
- mii_advertise = mdio_read (dev, np->phys[0], MII_ADVERTISE);
- mii_lpa= mdio_read (dev, np->phys[0], MII_LPA);
- mii_advertise &= mii_lpa;
- printk (KERN_INFO "%s: Link changed: ", dev->name);
- if (mii_advertise & ADVERTISE_100FULL) {
- np->speed = 100;
- printk ("100Mbps, full duplex\n");
- } else if (mii_advertise & ADVERTISE_100HALF) {
- np->speed = 100;
- printk ("100Mbps, half duplex\n");
- } else if (mii_advertise & ADVERTISE_10FULL) {
- np->speed = 10;
- printk ("10Mbps, full duplex\n");
- } else if (mii_advertise & ADVERTISE_10HALF) {
- np->speed = 10;
- printk ("10Mbps, half duplex\n");
- } else
- printk ("\n");
+ if (mdio_wait_link(dev, 10) == 0) {
+ printk(KERN_INFO "%s: Link up\n", dev->name);
+ if (np->an_enable) {
+ mii_advertise = mdio_read(dev, np->phys[0],
+ MII_ADVERTISE);
+ mii_lpa = mdio_read(dev, np->phys[0], MII_LPA);
+ mii_advertise &= mii_lpa;
+ printk(KERN_INFO "%s: Link changed: ",
+ dev->name);
+ if (mii_advertise & ADVERTISE_100FULL) {
+ np->speed = 100;
+ printk("100Mbps, full duplex\n");
+ } else if (mii_advertise & ADVERTISE_100HALF) {
+ np->speed = 100;
+ printk("100Mbps, half duplex\n");
+ } else if (mii_advertise & ADVERTISE_10FULL) {
+ np->speed = 10;
+ printk("10Mbps, full duplex\n");
+ } else if (mii_advertise & ADVERTISE_10HALF) {
+ np->speed = 10;
+ printk("10Mbps, half duplex\n");
+ } else
+ printk("\n");
+ } else {
+ mii_ctl = mdio_read(dev, np->phys[0], MII_BMCR);
+ speed = (mii_ctl & BMCR_SPEED100) ? 100 : 10;
+ np->speed = speed;
+ printk(KERN_INFO "%s: Link changed: %dMbps ,",
+ dev->name, speed);
+ printk("%s duplex.\n",
+ (mii_ctl & BMCR_FULLDPLX) ?
+ "full" : "half");
+ }
+ check_duplex(dev);
+ if (np->flowctrl && np->mii_if.full_duplex) {
+ iowrite16(ioread16(ioaddr + MulticastFilter1+2) | 0x0200,
+ ioaddr + MulticastFilter1+2);
+ iowrite16(ioread16(ioaddr + MACCtrl0) | EnbFlowCtrl,
+ ioaddr + MACCtrl0);
+ }
+ netif_carrier_on(dev);
} else {
- mii_ctl = mdio_read (dev, np->phys[0], MII_BMCR);
- speed = (mii_ctl & BMCR_SPEED100) ? 100 : 10;
- np->speed = speed;
- printk (KERN_INFO "%s: Link changed: %dMbps ,",
- dev->name, speed);
- printk ("%s duplex.\n", (mii_ctl & BMCR_FULLDPLX) ?
- "full" : "half");
- }
- check_duplex (dev);
- if (np->flowctrl && np->mii_if.full_duplex) {
- iowrite16(ioread16(ioaddr + MulticastFilter1+2) | 0x0200,
- ioaddr + MulticastFilter1+2);
- iowrite16(ioread16(ioaddr + MACCtrl0) | EnbFlowCtrl,
- ioaddr + MACCtrl0);
+ printk(KERN_INFO "%s: Link down\n", dev->name);
+ netif_carrier_off(dev);
}
}
if (intr_status & StatsMax) {