From 8f2ac5c085ecfe6976047156f7726a10db4556eb Mon Sep 17 00:00:00 2001 From: Sergey Ryazanov Date: Mon, 21 May 2018 12:19:31 +0300 Subject: ath25: drop 4.9 kernel support Signed-off-by: Sergey Ryazanov (cherry picked from commit 06116473cca4ee765978aa3035eab321cd57bd71) --- .../patches-4.9/220-enet_micrel_workaround.patch | 111 --------------------- 1 file changed, 111 deletions(-) delete mode 100644 target/linux/ath25/patches-4.9/220-enet_micrel_workaround.patch (limited to 'target/linux/ath25/patches-4.9/220-enet_micrel_workaround.patch') diff --git a/target/linux/ath25/patches-4.9/220-enet_micrel_workaround.patch b/target/linux/ath25/patches-4.9/220-enet_micrel_workaround.patch deleted file mode 100644 index 91b9792515..0000000000 --- a/target/linux/ath25/patches-4.9/220-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) -@@ -167,6 +168,32 @@ 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: -- cgit v1.2.3