linux-kernel - Re: [PATCH]upi:media: Added rest of the Generic Error Codes to the existing list

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Message-ID: <ba42791b-54d1-7e85-c12c-88332754c10d@xs4all.nl>
Date:   Fri, 18 Aug 2023 09:37:02 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Jonathan Corbet <corbet@....net>,
        Bhaskar Chowdhury <unixbhaskar@...il.com>, mchehab@...nel.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     torvalds@...ux-foundation.org, randy.dunlap@...cle.com,
        paulmck@...nel.org, markus.heiser@...marIT.de
Subject: Re: [PATCH]upi:media: Added rest of the Generic Error Codes to the
 existing list

On 07/08/2023 20:12, Jonathan Corbet wrote:
> Bhaskar Chowdhury <unixbhaskar@...il.com> writes:
> 
>> Added rest of the Generic Error Codes to the existing list of codes.
>>
>> cc: torvalds@...ux-foundation.org
>> cc: randy.dunlap@...cle.com
>> cc: paulmck@...nel.org
>> cc: corbet@....net
>> cc: markus.heiser@...marIT.de
>>
>> Signed-off-by: Bhaskar Chowdhury <unixbhaskar@...il.com>
>> ---
>>  There is a "moreutils" package across the Linux distribution, if you
>>  installed it and that package has a binary name "errno",if you run it with
>>  "-l" or "--list" option, it will show all the error codes.In my system, while
>>  running it shows me precisely, 134 of such codes.YMMV
>>
>>  .../userspace-api/media/gen-errors.rst        | 479 ++++++++++++++++++
>>  1 file changed, 479 insertions(+)
> 
> This document is a list of errors that can be returned by media drivers,
> with a focus on what those errors mean in the media context.  What is
> the point of stuffing it full of error numbers that media drivers will
> never return, along with generic, one-line descriptions?  I'll defer to
> the media folks on this, but I don't think this helps their users.

Indeed, this documents just the media-specific errors, there is no point
in listing all errors here.

Regards,

	Hans