Re: [PATCH RESEND] gpio: mpc8xxx: don't allow input-only pins to beoutput for MPC5121

[Anatolij Gustschin]

Hi Wolfram,

Looks mostly good to me. Please see minor comments below.

On Tue, 13 Dec 2011 10:12:48 +0100
Wolfram Sang <w.sang@xxxxxxxxxxxxxx> wrote:
...
> diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
> index ec3fcf0..25dc736 100644
> --- a/drivers/gpio/gpio-mpc8xxx.c
> +++ b/drivers/gpio/gpio-mpc8xxx.c
> @@ -115,6 +115,14 @@ static int mpc8xxx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
>  	return 0;
>  }
>  
> +static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)

Line over 80 chars.

> +{
> +	/* GPIO 28..31 are input only on MPC5121 */
> +	if (gpio >= 28)
> +		return -EINVAL;
> +
> +	return mpc8xxx_gpio_dir_out(gc, gpio, val);
> +}
>  static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)

Please separate by an empty line. Thanks.

Anatolij
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