From 49fb88af23f3344ba53d6dbe34ac0b1426d81006 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 18 Jun 2009 13:30:16 +0200
Subject: [PATCH] [ARM] S3C: Fix gpio-config off-by-one bug
Fix gpio-config off-by-one bug. Without this patch, touching GPA0 pin on
S3C64XX platform causes kernel oops.
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
arch/arm/plat-s3c/gpio-config.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/plat-s3c/gpio-config.c b/arch/arm/plat-s3c/gpio-config.c
index 08044dec9731..456969b6fa0d 100644
--- a/arch/arm/plat-s3c/gpio-config.c
+++ b/arch/arm/plat-s3c/gpio-config.c
@@ -119,7 +119,7 @@ int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
unsigned int shift = (off & 7) * 4;
u32 con;
- if (off < 8 && chip->chip.ngpio >= 8)
+ if (off < 8 && chip->chip.ngpio > 8)
reg -= 4;
if (s3c_gpio_is_cfg_special(cfg)) {
--
2.34.1