Hi, some bootloader may initialize debounce register and this will make dbclk not consist with the debounce register after linux kernel boot up. >From 8f97e5b50e50627e9e4b40f5d4fba09d750aceb1 Mon Sep 17 00:00:00 2001 From: janboe <janboe.ye@xxxxxxxxx> Date: Fri, 19 Jun 2009 10:56:02 -0500 Subject: [PATCH] initialize gpio debounce register Signed-off-by: janboe <janboe.ye@xxxxxxxxx> --- arch/arm/plat-omap/gpio.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 7fd89ba..26b387c 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -1585,6 +1585,7 @@ static int __init _omap_gpio_init(void) __raw_writel(0x00000000, bank->base + OMAP24XX_GPIO_IRQENABLE1); __raw_writel(0xffffffff, bank->base + OMAP24XX_GPIO_IRQSTATUS1); __raw_writew(0x0015, bank->base + OMAP24XX_GPIO_SYSCONFIG); + __raw_writel(0x00000000, bank->base + OMAP24XX_GPIO_DEBOUNCE_EN); /* Initialize interface clock ungated, module enabled */ __raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html