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Subject: Re: [PATCH 1/2] media: Revert "media: exynos4-is: Add missed check
 for pinctrl_lookup_state()"
To:     Sylwester Nawrocki <s.nawrocki@samsung.com>,
        linux-media@vger.kernel.org
Cc:     hslester96@gmail.com, krzk@kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
        b.zolnierkie@samsung.com, m.szyprowski@samsung.com
References: <CGME20200810153301eucas1p2684476145e627ba124ba4740ef204712@eucas1p2.samsung.com>
 <20200810153240.23827-1-s.nawrocki@samsung.com>
From:   Hans Verkuil <hverkuil@xs4all.nl>
Message-ID: <bdcb0a29-8c7e-3736-9936-2b25460f9aef@xs4all.nl>
Date:   Wed, 19 Aug 2020 15:15:42 +0200
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Hi Sylwester,

Can you rebase this patch series on top of the media_tree master?

This series didn't apply anymore.

Thanks!

	Hans

On 10/08/2020 17:32, Sylwester Nawrocki wrote:
> The "idle" pinctrl state is optional as documented in the DT binding.
> The change introduced by the commit being reverted makes that pinctrl state
> mandatory and breaks initialization of the whole media driver, since the
> "idle" state is not specified in any mainline dts.
> 
> This reverts commit 18ffec750578f7447c288647d7282c7d12b1d969 to fix
> the regression.
> 
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> ---
>  drivers/media/platform/exynos4-is/media-dev.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
> index 16dd660..9a57523 100644
> --- a/drivers/media/platform/exynos4-is/media-dev.c
> +++ b/drivers/media/platform/exynos4-is/media-dev.c
> @@ -1268,11 +1268,9 @@ static int fimc_md_get_pinctrl(struct fimc_md *fmd)
>  	if (IS_ERR(pctl->state_default))
>  		return PTR_ERR(pctl->state_default);
>  
> +	/* PINCTRL_STATE_IDLE is optional */
>  	pctl->state_idle = pinctrl_lookup_state(pctl->pinctrl,
>  					PINCTRL_STATE_IDLE);
> -	if (IS_ERR(pctl->state_idle))
> -		return PTR_ERR(pctl->state_idle);
> -
>  	return 0;
>  }
>  
>