linux-kernel - Re: [PATCH] ASoC: max98373: usleep

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Date:   Fri, 7 Sep 2018 10:54:04 -0700
From:   Grant Grundler <grundler@...omium.org>
To:     Grant Grundler <grundler@...omium.org>
Cc:     broonie@...nel.org, ryans.lee@...imintegrated.com,
        lgirdwood@...il.com, kuninori.morimoto.gx@...esas.com,
        alsa-devel@...a-project.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: max98373: usleep_range() needs include/delay.h

[resending as plain/text - sorry]
On Fri, Sep 7, 2018 at 10:52 AM Grant Grundler <grundler@...omium.org> wrote:
>
>
>
> On Fri, Sep 7, 2018 at 5:11 AM Mark Brown <broonie@...nel.org> wrote:
>>
>> On Thu, Sep 06, 2018 at 05:27:28PM -0700, Grant Grundler wrote:
>> > Commit ca917f9fe1a0fab added use of usleep_range() but not
>> > the corresponding "include <linux/delay.h>". The result is
>> > with Chrome OS won't build because warnings are forced
>> > to be errors:
>> > mnt/host/source/src/third_party/kernel/v4.4/sound/soc/codecs/max98373.c:734:2: error: implicit declaration of function 'usleep_range' [-Werror,-Wimplicit-function-declaration]
>> >         usleep_range(10000, 11000);
>> >         ^
>>
>> Note that this isn't causing a warning upstream, presumably due to an
>> implicit inclusion that isn't present in the v4.4 kernel that you appear
>> to be using, or gets missed due to config differences.
>
>
> Ok. Is this just an observation or are these reasons to not accept the change?
>
> cheers,
> grant