Re: [PATCH] initialize gpio debounce register

[Kevin Hilman <khilman@deeprootsystems.com>]

ye janboe <janboe.ye@gmail.com> writes:

> 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@gmail.com>
> Date: Fri, 19 Jun 2009 10:56:02 -0500
> Subject: [PATCH] initialize gpio debounce register
>
> Signed-off-by: janboe <janboe.ye@gmail.com>

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

Tony, this should go into -fixes.

Kevin

> ---
>  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);
> --
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