linux-kernel - Re: [PATCH] drm/tegra: return with probe defer if GPIO subsystem is not ready

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Message-ID: <d02d9605797d784dc941c9d98769bf5d@agner.ch>
Date:   Fri, 26 Jul 2019 16:57:05 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     thierry.reding@...il.com, airlied@...ux.ie, jonathanh@...dia.com,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/tegra: return with probe defer if GPIO subsystem is
 not ready

On 2019-07-26 16:46, Dmitry Osipenko wrote:
> 26.07.2019 17:23, Stefan Agner пишет:
>> Hi Thierry, Hi Dave,
>>
>> On 2018-09-07 01:31, Stefan Agner wrote:
>>> On 26.07.2018 06:36, Stefan Agner wrote:
>>>> If the GPIO subsystem is not ready make sure to return -EPROBE_DEFER
>>>> instead of silently continuing without HPD.
>>>>
>>>> Reported-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
>>>> Signed-off-by: Stefan Agner <stefan@...er.ch>
>>>
>>> I think this did not get merged yet, any chance to get it in?
>>
>> Any chance to get this in in the next merge window?
> 
> The patch isn't relevant anymore (since v5.3) because the code was
> changed and now propagates the proper error code in a case of error,
> please see [1].
> 
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.3-rc1&id=bbad640709fd43ff77b8838c409c977c0b28430c

Oh I see, I accidentally checked in Linux 5.2. Sorry for the noise and
thanks for the link!

--
Stefan