linux-karo: Add initial version of linux-karo 4.9.11 based on NXP kernel tree

[meta-kc-bsp.git] / recipes-kernel / linux / linux-karo-4.9.11 / reset-phy-minimal.patch

diff --git a/recipes-kernel/linux/linux-karo-4.9.11/reset-phy-minimal.patch b/recipes-kernel/linux/linux-karo-4.9.11/reset-phy-minimal.patch
new file mode 100644 (file)
index 0000000..8a35d74
--- /dev/null
+++ b/recipes-kernel/linux/linux-karo-4.9.11/reset-phy-minimal.patch
@@ -0,0 +1,30 @@
+diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
+index 41a31f2..c062438 100644
+--- a/drivers/net/ethernet/freescale/fec_main.c
++++ b/drivers/net/ethernet/freescale/fec_main.c
+@@ -1875,6 +1875,8 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
+       return ret;
+ }
+ 
++static int fec_reset_phy(struct platform_device *pdev);
++
+ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
+ {
+       struct fec_enet_private *fep = netdev_priv(ndev);
+@@ -1885,6 +1887,7 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
+                       ret = clk_prepare_enable(fep->clk_enet_out);
+                       if (ret)
+                               return ret;
++                      fec_reset_phy(fep->pdev);
+               }
+               if (fep->clk_ptp) {
+                       mutex_lock(&fep->ptp_clk_mutex);
+@@ -3367,6 +3370,8 @@ static int fec_reset_phy(struct platform_device *pdev)
+ 
+       gpio_set_value_cansleep(phy_reset, !active_high);
+ 
++      devm_gpio_free(&pdev->dev, phy_reset);
++
+       return 0;
+ }
+ #else /* CONFIG_OF */