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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
commit5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch)
tree1229a11f725bfa58aa7c57a76898553bb5f6654a /target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
downloadopenwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz
openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch')
-rw-r--r--target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch b/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
new file mode 100644
index 000000000..56c7cd545
--- /dev/null
+++ b/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
@@ -0,0 +1,55 @@
+--- a/drivers/net/ethernet/ar231x/ar231x.c
++++ b/drivers/net/ethernet/ar231x/ar231x.c
+@@ -151,6 +151,7 @@ static int ar231x_mdiobus_write(struct m
+ static int ar231x_mdiobus_reset(struct mii_bus *bus);
+ static int ar231x_mdiobus_probe (struct net_device *dev);
+ static void ar231x_adjust_link(struct net_device *dev);
++static bool no_phy = false;
+
+ #ifndef ERR
+ #define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
+@@ -300,6 +301,21 @@ int __devinit ar231x_probe(struct platfo
+
+ mdiobus_register(sp->mii_bus);
+
++ /* Workaround for Micrel switch, which is only available on
++ * one PHY and cannot be configured through MDIO */
++ if (!no_phy) {
++ u32 phy_id = 0;
++ get_phy_id(sp->mii_bus, 1, &phy_id);
++ if (phy_id == 0x00221450)
++ no_phy = true;
++ }
++ if (no_phy) {
++ sp->link = 1;
++ netif_carrier_on(dev);
++ return 0;
++ }
++ no_phy = true;
++
+ if (ar231x_mdiobus_probe(dev) != 0) {
+ printk(KERN_ERR "%s: mdiobus_probe failed\n", dev->name);
+ rx_tasklet_cleanup(dev);
+@@ -356,8 +372,10 @@ static int __devexit ar231x_remove(struc
+ rx_tasklet_cleanup(dev);
+ ar231x_init_cleanup(dev);
+ unregister_netdev(dev);
+- mdiobus_unregister(sp->mii_bus);
+- mdiobus_free(sp->mii_bus);
++ if (sp->mii_bus) {
++ mdiobus_unregister(sp->mii_bus);
++ mdiobus_free(sp->mii_bus);
++ }
+ kfree(dev);
+ return 0;
+ }
+@@ -1133,6 +1151,9 @@ static int ar231x_ioctl(struct net_devic
+ struct ar231x_private *sp = netdev_priv(dev);
+ int ret;
+
++ if (!sp->phy_dev)
++ return -ENODEV;
++
+ switch (cmd) {
+
+ case SIOCETHTOOL: