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authoracoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-09-04 22:47:35 +0000
committeracoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-09-04 22:47:35 +0000
commitce1b0c871ed20dc27e9f58912daec93d24878031 (patch)
tree03f73b1325799b7d8aacddacc75200eef7704a45 /target/linux/ixp4xx/patches-2.6.36/206-npe_driver_add_update_link_function.patch
parent205bd2a192850c3077bcc36030d68e472dbc5d03 (diff)
linux/ixp4xx: add kernel 2.6.36 preliminary support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22922 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.36/206-npe_driver_add_update_link_function.patch')
-rw-r--r--target/linux/ixp4xx/patches-2.6.36/206-npe_driver_add_update_link_function.patch98
1 files changed, 98 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.36/206-npe_driver_add_update_link_function.patch b/target/linux/ixp4xx/patches-2.6.36/206-npe_driver_add_update_link_function.patch
new file mode 100644
index 0000000000..7ae1a8404d
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.36/206-npe_driver_add_update_link_function.patch
@@ -0,0 +1,98 @@
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -169,7 +169,7 @@ struct port {
+ struct desc *desc_tab; /* coherent */
+ u32 desc_tab_phys;
+ int id; /* logical port ID */
+- int speed, duplex;
++ int link, speed, duplex;
+ u8 firmware[4];
+ };
+
+@@ -366,37 +366,52 @@ static void ixp4xx_mdio_remove(void)
+ mdiobus_free(mdio_bus);
+ }
+
+-
+-static void ixp4xx_adjust_link(struct net_device *dev)
++static void ixp4xx_update_link(struct net_device *dev)
+ {
+ struct port *port = netdev_priv(dev);
+- struct phy_device *phydev = port->phydev;
+
+- if (!phydev->link) {
+- if (port->speed) {
+- port->speed = 0;
+- printk(KERN_INFO "%s: link down\n", dev->name);
+- }
++ if (!port->link) {
++ netif_carrier_off(dev);
++ printk(KERN_INFO "%s: link down\n", dev->name);
+ return;
+ }
+
+- if (port->speed == phydev->speed && port->duplex == phydev->duplex)
+- return;
+-
+- port->speed = phydev->speed;
+- port->duplex = phydev->duplex;
+-
+- if (port->duplex)
++ if (port->duplex == DUPLEX_FULL)
+ __raw_writel(DEFAULT_TX_CNTRL0 & ~TX_CNTRL0_HALFDUPLEX,
+ &port->regs->tx_control[0]);
+ else
+ __raw_writel(DEFAULT_TX_CNTRL0 | TX_CNTRL0_HALFDUPLEX,
+ &port->regs->tx_control[0]);
+
++ netif_carrier_on(dev);
+ printk(KERN_INFO "%s: link up, speed %u Mb/s, %s duplex\n",
+ dev->name, port->speed, port->duplex ? "full" : "half");
+ }
+
++static void ixp4xx_adjust_link(struct net_device *dev)
++{
++ struct port *port = netdev_priv(dev);
++ struct phy_device *phydev = port->phydev;
++ int status_change = 0;
++
++ if (phydev->link) {
++ if (port->duplex != phydev->duplex
++ || port->speed != phydev->speed) {
++ status_change = 1;
++ }
++ }
++
++ if (phydev->link != port->link)
++ status_change = 1;
++
++ port->link = phydev->link;
++ port->speed = phydev->speed;
++ port->duplex = phydev->duplex;
++
++ if (status_change)
++ ixp4xx_update_link(dev);
++}
++
+ static int ixp4xx_phy_connect(struct net_device *dev)
+ {
+ struct port *port = netdev_priv(dev);
+@@ -431,7 +446,6 @@ static void ixp4xx_phy_start(struct net_
+ {
+ struct port *port = netdev_priv(dev);
+
+- port->speed = 0; /* force "link up" message */
+ phy_start(port->phydev);
+ }
+
+@@ -1263,6 +1277,10 @@ static int __devinit eth_init_one(struct
+ if ((err = register_netdev(dev)))
+ goto err_phy_dis;
+
++ port->link = 0;
++ port->speed = 0;
++ port->duplex = -1;
++
+ printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
+ npe_name(port->npe));
+