From 1ba38f6100243b263fc0d147cd59e76c1ad87a61 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sat, 13 Jan 2018 18:43:32 +0100 Subject: brcm63xx: add kernel 4.14 support Add support for kernel 4.14. Increases compressed kernel size by ~64k compared to 4.9. Signed-off-by: Jonas Gorski --- ...-4.15-08-bcm63xx_enet-correct-clock-usage.patch | 101 +++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch (limited to 'target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch') diff --git a/target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch b/target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch new file mode 100644 index 0000000000..bd66e72c91 --- /dev/null +++ b/target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch @@ -0,0 +1,101 @@ +From d0423d3e4fa7ae305729cb50369427f075ccb279 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Sat, 25 Feb 2017 12:41:28 +0100 +Subject: [PATCH 1/6] bcm63xx_enet: correct clock usage + +Check the return code of prepare_enable and change one last instance of +enable only to prepare_enable. Also properly disable and release the +clock in error paths and on remove for enetsw. + +Signed-off-by: Jonas Gorski +--- + drivers/net/ethernet/broadcom/bcm63xx_enet.c | 31 +++++++++++++++++++++------- + 1 file changed, 23 insertions(+), 8 deletions(-) + +--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c +@@ -1773,7 +1773,9 @@ static int bcm_enet_probe(struct platfor + ret = PTR_ERR(priv->mac_clk); + goto out; + } +- clk_prepare_enable(priv->mac_clk); ++ ret = clk_prepare_enable(priv->mac_clk); ++ if (ret) ++ goto out_put_clk_mac; + + /* initialize default and fetch platform data */ + priv->rx_ring_size = BCMENET_DEF_RX_DESC; +@@ -1805,9 +1807,11 @@ static int bcm_enet_probe(struct platfor + if (IS_ERR(priv->phy_clk)) { + ret = PTR_ERR(priv->phy_clk); + priv->phy_clk = NULL; +- goto out_put_clk_mac; ++ goto out_disable_clk_mac; + } +- clk_prepare_enable(priv->phy_clk); ++ ret = clk_prepare_enable(priv->phy_clk); ++ if (ret) ++ goto out_put_clk_phy; + } + + /* do minimal hardware init to be able to probe mii bus */ +@@ -1901,13 +1905,16 @@ out_free_mdio: + out_uninit_hw: + /* turn off mdc clock */ + enet_writel(priv, 0, ENET_MIISC_REG); +- if (priv->phy_clk) { ++ if (priv->phy_clk) + clk_disable_unprepare(priv->phy_clk); ++ ++out_put_clk_phy: ++ if (priv->phy_clk) + clk_put(priv->phy_clk); +- } + +-out_put_clk_mac: ++out_disable_clk_mac: + clk_disable_unprepare(priv->mac_clk); ++out_put_clk_mac: + clk_put(priv->mac_clk); + out: + free_netdev(dev); +@@ -2752,7 +2759,9 @@ static int bcm_enetsw_probe(struct platf + ret = PTR_ERR(priv->mac_clk); + goto out_unmap; + } +- clk_enable(priv->mac_clk); ++ ret = clk_prepare_enable(priv->mac_clk); ++ if (ret) ++ goto out_put_clk; + + priv->rx_chan = 0; + priv->tx_chan = 1; +@@ -2773,7 +2782,7 @@ static int bcm_enetsw_probe(struct platf + + ret = register_netdev(dev); + if (ret) +- goto out_put_clk; ++ goto out_disable_clk; + + netif_carrier_off(dev); + platform_set_drvdata(pdev, dev); +@@ -2782,6 +2791,9 @@ static int bcm_enetsw_probe(struct platf + + return 0; + ++out_disable_clk: ++ clk_disable_unprepare(priv->mac_clk); ++ + out_put_clk: + clk_put(priv->mac_clk); + +@@ -2813,6 +2825,9 @@ static int bcm_enetsw_remove(struct plat + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, resource_size(res)); + ++ clk_disable_unprepare(priv->mac_clk); ++ clk_put(priv->mac_clk); ++ + free_netdev(dev); + return 0; + } -- cgit v1.2.3