linux-kernel - Re: [PATCH 2/2] gpio: altera: fix return value of altera_gpio

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Message-ID: <1435288591.22927.2.camel@ubuntu>
Date:	Thu, 25 Jun 2015 20:16:31 -0700
From:	Tien Hock Loh <thloh@...era.com>
To:	Masahiro Yamada <yamada.masahiro@...ionext.com>
CC:	<thloh.linux@...il.com>, <linux-gpio@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] gpio: altera: fix return value of
 altera_gpio_remove()

Acked-by: Tien Hock Loh <thloh@...era.com>

On Wed, 2015-06-17 at 20:59 +0900, Masahiro Yamada wrote:
> The remove callback never succeeds, which seems odd.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
> I wonder why nobody has pointed this out before me.
> I am suspecting -EIO might be intentional.
> I hope some Altera guys will give me comments.
> 
> 
>  drivers/gpio/gpio-altera.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
> index c653c83..5861550 100644
> --- a/drivers/gpio/gpio-altera.c
> +++ b/drivers/gpio/gpio-altera.c
> @@ -339,7 +339,7 @@ static int altera_gpio_remove(struct platform_device *pdev)
>  
>  	of_mm_gpiochip_remove(&altera_gc->mmchip);
>  
> -	return -EIO;
> +	return 0;
>  }
>  
>  static const struct of_device_id altera_gpio_of_match[] = {

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