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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"
@@ -2851,10 +2852,15 @@ 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", GPIOD_ASIS);
+ 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);
@@ -2864,6 +2870,9 @@ 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;
}
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