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Subject: Re: AHCI SATA Runtime PM
To:     Alexander Monakov <amonakov@ispras.ru>,
        Hans de Goede <hdegoede@redhat.com>
Cc:     linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        Zhang Rui <rui.zhang@intel.com>
References: <alpine.LNX.2.20.13.2103041814050.15170@monopod.intra.ispras.ru>
From:   "Enrico Weigelt, metux IT consult" <lkml@metux.net>
Message-ID: <f84fd43d-d08c-05b7-c1e4-ee03c1eab9d0@metux.net>
Date:   Thu, 18 Mar 2021 20:09:46 +0100
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On 04.03.21 16:34, Alexander Monakov wrote:

> I have a laptop where two unused AHCI SATA controllers are present (but
> obviously nothing can be hotplugged into them). Apparently due to the above,
> they do not enter runtime autosuspend.

if nothing ever can connect to them, shouldn't they be power off
entirely ?


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287