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[ARM] S3C: Fix gpio-config off-by-one bug

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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>
This commit is contained in:
Marek Szyprowski 2009-06-18 13:30:16 +02:00 committed by Ben Dooks
parent 0b495737f3
commit 49fb88af23
1 changed files with 1 additions and 1 deletions
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arch/arm/plat-s3c/gpio-config.c
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@ -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)) {