[ARM] 4851/1: ns9xxx: fix size of gpiores

GPIO_MAX is the number of the last gpio, not the number of gpios. So the bitmap must provide GPIO_MAX + 1 bits. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
git-mirror · Mar 8, 2008 · ac5bbf2 · ac5bbf2
1 parent 5853e74
commit ac5bbf2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/arm/mach-ns9xxx/gpio.c b/arch/arm/mach-ns9xxx/gpio.c
@@ -31,7 +31,7 @@
 static spinlock_t gpio_lock = __SPIN_LOCK_UNLOCKED(gpio_lock);
 
 /* only access gpiores with atomic ops */
-static DECLARE_BITMAP(gpiores, GPIO_MAX);
+static DECLARE_BITMAP(gpiores, GPIO_MAX + 1);
 
 static inline int ns9xxx_valid_gpio(unsigned gpio)
 {