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path: root/target/linux/brcm63xx/patches-3.18/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch
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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.patch46
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;
+ }
+