From: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Date: Thu, 6 Mar 2008 15:21:42 +0000 (+0100)
Subject: [ARM] 4851/1: ns9xxx: fix size of gpiores
X-Git-Tag: firefly_0821_release~22011^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ac5bbf21bf38b3f5eaa8cb1e17f7513dc354afda;p=firefly-linux-kernel-4.4.55.git

[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>
---

diff --git a/arch/arm/mach-ns9xxx/gpio.c b/arch/arm/mach-ns9xxx/gpio.c
index b2230213b983..5286e9fc1d30 100644
--- 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)
 {