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

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Date:   Fri, 26 Jul 2019 17:46:14 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Stefan Agner <stefan@...er.ch>, thierry.reding@...il.com
Cc:     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 17:23, 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