ARM: OMAP: GPIO: fix MPUIO check

- MPUIO doesn't exist on OMAP2
- no error was returned for too big MPUIO numbers

Signed-off-by: Imre Deak <imre.deak@solidboot.com>
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index cd7f973..d5221b2 100644 (file)
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -110,8 +110,6 @@
 #define OMAP24XX_GPIO_CLEARDATAOUT     0x0090
 #define OMAP24XX_GPIO_SETDATAOUT       0x0094
 
-#define OMAP_MPUIO_MASK                (~OMAP_MAX_GPIO_LINES & 0xff)
-
 struct gpio_bank {
        void __iomem *base;
        u16 irq;
@@ -216,11 +214,13 @@ static inline int gpio_valid(int gpio)
 {
        if (gpio < 0)
                return -1;
+#ifndef CONFIG_ARCH_OMAP24XX
        if (OMAP_GPIO_IS_MPUIO(gpio)) {
-               if ((gpio & OMAP_MPUIO_MASK) > 16)
+               if (gpio >= MAX_GPIO_LINES + 16)
                        return -1;
                return 0;
        }
+#endif
 #ifdef CONFIG_ARCH_OMAP15XX
        if (cpu_is_omap15xx() && gpio < 16)
                return 0;