openwrtv4/target/linux/brcm63xx/patches-3.18/378-MIPS-BCM63XX-do-not-register-gpio-controller-if-pres.patch

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From e55892aac9d5508a000647ca66f0e678e02be3bb Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 21 Feb 2015 17:26:50 +0100
Subject: [PATCH 5/6] MIPS: BCM63XX: do not register gpio-controller if
present in dtb
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/gpio.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/arch/mips/bcm63xx/gpio.c
+++ b/arch/mips/bcm63xx/gpio.c
@@ -20,6 +20,8 @@
#include <bcm63xx_gpio.h>
#include <bcm63xx_regs.h>
+#include "boards/board_common.h"
+
/* for registering lookups; make them large enough to hold OF names */
static char *gpio_chip_labels[] = {
"xxxxxxxx.gpio-controller",
@@ -50,8 +52,9 @@ static void __init bcm63xx_gpio_init_one
pdata.ngpio = ngpio;
sprintf(gpio_chip_labels[id], "bcm63xx-gpio.%d", id);
- platform_device_register_resndata(NULL, "bcm63xx-gpio", id, res, 2,
- &pdata, sizeof(pdata));
+ if (!board_of_device_present("gpio0"))
+ platform_device_register_resndata(NULL, "bcm63xx-gpio", id, res,
+ 2, &pdata, sizeof(pdata));
}
int __init bcm63xx_gpio_init(void)