From ec905f2ea78ec40602a685ede31c5e4f9893d196 Mon Sep 17 00:00:00 2001 From: Jonas Gorski 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 #include #include +#include #include #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; }