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path: root/target/linux/ath25/patches-5.10/220-enet_micrel_workaround.patch
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Diffstat (limited to 'target/linux/ath25/patches-5.10/220-enet_micrel_workaround.patch')
-rw-r--r--target/linux/ath25/patches-5.10/220-enet_micrel_workaround.patch111
1 files changed, 0 insertions, 111 deletions
diff --git a/target/linux/ath25/patches-5.10/220-enet_micrel_workaround.patch b/target/linux/ath25/patches-5.10/220-enet_micrel_workaround.patch
deleted file mode 100644
index 2bd0815631..0000000000
--- a/target/linux/ath25/patches-5.10/220-enet_micrel_workaround.patch
+++ /dev/null
@@ -1,111 +0,0 @@
---- a/drivers/net/ethernet/atheros/ar231x/ar231x.c
-+++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c
-@@ -135,6 +135,7 @@ 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;
-
- #ifndef ERR
- #define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
-@@ -166,6 +167,32 @@ static const struct net_device_ops ar231
- #endif
- };
-
-+static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id)
-+{
-+ int phy_reg;
-+
-+ /**
-+ * Grab the bits from PHYIR1, and put them
-+ * in the upper half.
-+ */
-+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID1);
-+
-+ if (phy_reg < 0)
-+ return -EIO;
-+
-+ *phy_id = (phy_reg & 0xffff) << 16;
-+
-+ /* Grab the bits from PHYIR2, and put them in the lower half */
-+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID2);
-+
-+ if (phy_reg < 0)
-+ return -EIO;
-+
-+ *phy_id |= (phy_reg & 0xffff);
-+
-+ return 0;
-+}
-+
- static int ar231x_probe(struct platform_device *pdev)
- {
- struct net_device *dev;
-@@ -273,6 +300,24 @@ static int ar231x_probe(struct platform_
-
- 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);
-@@ -326,8 +371,10 @@ static int ar231x_remove(struct platform
- 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;
- }
-@@ -870,7 +917,8 @@ static int ar231x_open(struct net_device
-
- sp->eth_regs->mac_control |= MAC_CONTROL_RE;
-
-- phy_start(sp->phy_dev);
-+ if (sp->phy_dev)
-+ phy_start(sp->phy_dev);
-
- return 0;
- }
-@@ -951,7 +999,8 @@ static int ar231x_close(struct net_devic
-
- #endif
-
-- phy_stop(sp->phy_dev);
-+ if (sp->phy_dev)
-+ phy_stop(sp->phy_dev);
-
- return 0;
- }
-@@ -995,6 +1044,9 @@ static int ar231x_ioctl(struct net_devic
- {
- struct ar231x_private *sp = netdev_priv(dev);
-
-+ if (!sp->phy_dev)
-+ return -ENODEV;
-+
- switch (cmd) {
- case SIOCGMIIPHY:
- case SIOCGMIIREG: