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[linux-2.6.git] / arch / arm / mach-omap / gpio.c

diff --git a/arch/arm/mach-omap/gpio.c b/arch/arm/mach-omap/gpio.c
index 7114119..fce61a1 100644 (file)
--- a/arch/arm/mach-omap/gpio.c
+++ b/arch/arm/mach-omap/gpio.c
@@ -587,15 +587,15 @@ static void gpio_ack_irq(unsigned int irq)
 
 #ifdef CONFIG_ARCH_OMAP1510
        if (bank->method == METHOD_GPIO_1510)
-               omap_writew(1 << gpio, bank->base + OMAP1510_GPIO_INT_STATUS);
+               omap_writew(1 << (gpio & 0x0f), bank->base + OMAP1510_GPIO_INT_STATUS);
 #endif
 #if defined(CONFIG_ARCH_OMAP1610) || defined(CONFIG_ARCH_OMAP5912)
        if (bank->method == METHOD_GPIO_1610)
-               omap_writew(1 << gpio, bank->base + OMAP1610_GPIO_IRQSTATUS1);
+               omap_writew(1 << (gpio & 0x0f), bank->base + OMAP1610_GPIO_IRQSTATUS1);
 #endif
 #ifdef CONFIG_ARCH_OMAP730
        if (bank->method == METHOD_GPIO_730)
-               omap_writel(1 << gpio, bank->base + OMAP730_GPIO_INT_STATUS);
+               omap_writel(1 << (gpio & 0x1f), bank->base + OMAP730_GPIO_INT_STATUS);
 #endif
 }