linux-kernel - Re: [PATCH] PM: domains: Prevent power off for parent unless child is in deepest state

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Date:   Sun, 13 Feb 2022 15:14:15 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>, linux-pm@...r.kernel.org,
        Kevin Hilman <khilman@...nel.org>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Dong Aisheng <aisheng.dong@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PM: domains: Prevent power off for parent unless child is
 in deepest state

07.02.2022 11:43, Ulf Hansson пишет:
>> In general, such changes usually are deferred from being upstreamed
>> until there is a real user, otherwise there is a risk of cluttering the
>> code with unused features. Do you have a time estimation in regards to
>> when STMicro may start to benefit from this change?
> The STMicro folkz are working on it right now, but I can't give you
> any estimates for their work.
> 
> Moreover, I think the important point in this regard, is that the
> $subject patch doesn't really hurt anything else, so then what's the
> point of holding this back?

If that work will never pan out, will you remove the unused code?