X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=arch%2Farm%2Fplat-omap%2Fgpio.c;h=17d7afe42b83efce507a8112af98d4de8280d02a;hb=095c2a0148bb42f8ad3523be5aa3b6b206a09d36;hp=210a1c04555488cf9d4d39856557b9caac029b53;hpb=083d11a59c4ed38eff0139b34efe3fe79079a877;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 210a1c04555..17d7afe42b8 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -758,8 +758,12 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
 
 	/* Workaround for clearing DSP GPIO interrupts to allow retention */
 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+	reg = bank->base + OMAP24XX_GPIO_IRQSTATUS2;
 	if (cpu_is_omap24xx() || cpu_is_omap34xx())
-		__raw_writel(gpio_mask, bank->base + OMAP24XX_GPIO_IRQSTATUS2);
+		__raw_writel(gpio_mask, reg);
+
+	/* Flush posted write for the irq status to avoid spurious interrupts */
+	__raw_readl(reg);
 #endif
 }