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

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Message-ID: <72141479-4ee8-d151-90dc-168e5c9a79c2@gmail.com>
Date:   Fri, 26 Jul 2019 18:00:47 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Stefan Agner <stefan@...er.ch>
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

26.07.2019 17:57, Stefan Agner пишет:
> 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!

No problems, you're welcome.