mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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0fc3447849
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11204 3c298f89-4303-0410-b956-a3cf2f4a3e73
45 lines
1.4 KiB
Diff
45 lines
1.4 KiB
Diff
Index: linux-2.6.24.7/drivers/net/arm/ixp4xx_eth.c
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===================================================================
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--- linux-2.6.24.7.orig/drivers/net/arm/ixp4xx_eth.c
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+++ linux-2.6.24.7/drivers/net/arm/ixp4xx_eth.c
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@@ -322,8 +322,12 @@ static void phy_reset(struct net_device
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struct port *port = netdev_priv(dev);
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int phy_id = port->mii[idx].phy_id;
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int cycles = 0;
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+ u16 bmcr;
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- mdio_write(dev, phy_id, MII_BMCR, port->mii_bmcr[idx] | BMCR_RESET);
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+ /* reset the PHY */
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+ bmcr = mdio_read(dev, phy_id, MII_BMCR);
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+ bmcr |= BMCR_ANENABLE;
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+ mdio_write(dev, phy_id, MII_BMCR, bmcr | BMCR_RESET);
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while (cycles < MAX_MII_RESET_RETRIES) {
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if (!(mdio_read(dev, phy_id, MII_BMCR) & BMCR_RESET)) {
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@@ -331,13 +335,23 @@ static void phy_reset(struct net_device
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printk(KERN_DEBUG "%s: phy_reset() took %i cycles\n",
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dev->name, cycles);
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#endif
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- return;
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+ break;
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}
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udelay(1);
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cycles++;
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}
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- printk(KERN_ERR "%s: MII reset failed on PHY%2d\n", dev->name, phy_id);
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+ if (cycles == MAX_MII_RESET_RETRIES) {
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+ printk(KERN_ERR "%s: MII reset failed on PHY%2d\n", dev->name,
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+ phy_id);
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+ return;
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+ }
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+
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+ /* restart auto negotiation */
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+ bmcr = mdio_read(dev, phy_id, MII_BMCR);
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+ bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
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+ mdio_write(dev, phy_id, MII_BMCR, bmcr);
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+
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}
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static void eth_set_duplex(struct port *port, int full_duplex)
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