[U-Boot] [PATCH] gpio: s3c2440_gpio: Fix wrong writel arguments

Minkyu Kang mk7.kang at samsung.com
Tue Jun 25 03:58:38 CEST 2013


On 15/06/13 18:56, Axel Lin wrote:
> Current code had writel arguments the wrong way around, fix it.
> 
> Signed-off-by: Axel Lin <axel.lin at ingics.com>
> ---
> Hi,
> I don't have this hardware to test, but current code looks obviously wrong.
> I'd appreciate if someone can review and test this patch.
> 
> Axel
>  drivers/gpio/s3c2440_gpio.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpio/s3c2440_gpio.c b/drivers/gpio/s3c2440_gpio.c
> index 43bbf11..09b04eb 100644
> --- a/drivers/gpio/s3c2440_gpio.c
> +++ b/drivers/gpio/s3c2440_gpio.c
> @@ -61,7 +61,7 @@ int gpio_set_value(unsigned gpio, int value)
>  	else
>  		l &= ~bit;
>  
> -	return writel(port, l);
> +	return writel(l, port);
>  }
>  
>  int gpio_get_value(unsigned gpio)
> @@ -85,11 +85,11 @@ int gpio_free(unsigned gpio)
>  
>  int gpio_direction_input(unsigned gpio)
>  {
> -	return writel(GPIO_FULLPORT(gpio), GPIO_INPUT << GPIO_BIT(gpio));
> +	return writel(GPIO_INPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
>  }
>  
>  int gpio_direction_output(unsigned gpio, int value)
>  {
> -	writel(GPIO_FULLPORT(gpio), GPIO_OUTPUT << GPIO_BIT(gpio));
> +	writel(GPIO_OUTPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
>  	return gpio_set_value(gpio, value);
>  }
> 

applied to u-boot-samsung.

Thanks,
Minkyu Kang.


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