diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch')
-rw-r--r-- | target/linux/brcm63xx/patches-3.18/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch b/target/linux/brcm63xx/patches-3.18/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch new file mode 100644 index 0000000..6d19cc0 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.18/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch @@ -0,0 +1,46 @@ +From ec905f2ea78ec40602a685ede31c5e4f9893d196 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Sat, 21 Feb 2015 16:35:07 +0100 +Subject: [PATCH 3/6] net: bcm63xx_enet: use named gpio for ephy reset gpio + +Allow using a named optional gpio for ephy reset gpio registration. +--- + drivers/net/ethernet/broadcom/bcm63xx_enet.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c +@@ -30,6 +30,7 @@ + #include <linux/dma-mapping.h> + #include <linux/platform_device.h> + #include <linux/if_vlan.h> ++#include <linux/gpio/consumer.h> + + #include <bcm63xx_dev_enet.h> + #include "bcm63xx_enet.h" +@@ -2848,10 +2849,15 @@ static int bcm_enet_shared_probe(struct + { + struct resource *res; + void __iomem *p[3]; ++ struct gpio_desc *ephy_reset; + unsigned int i; + + memset(bcm_enet_shared_base, 0, sizeof(bcm_enet_shared_base)); + ++ ephy_reset = devm_gpiod_get_optional(&pdev->dev, "ephy-reset"); ++ if (IS_ERR(ephy_reset)) ++ return PTR_ERR(ephy_reset); ++ + for (i = 0; i < 3; i++) { + res = platform_get_resource(pdev, IORESOURCE_MEM, i); + p[i] = devm_ioremap_resource(&pdev->dev, res); +@@ -2861,6 +2867,9 @@ static int bcm_enet_shared_probe(struct + + memcpy(bcm_enet_shared_base, p, sizeof(bcm_enet_shared_base)); + ++ if (ephy_reset) ++ gpiod_direction_output(ephy_reset, 0); ++ + return 0; + } + |