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From: Kevin Hilman <khilman@baylibre.com>
To: Sibi Sankar <sibis@codeaurora.org>,
	bjorn.andersson@linaro.org, ulf.hansson@linaro.org,
	rjw@rjwysocki.net
Cc: agross@kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
	gregkh@linuxfoundation.org, pavel@ucw.cz, len.brown@intel.com,
	rnayak@codeaurora.org, dianders@chromium.org, khilman@kernel.org,
	Sibi Sankar <sibis@codeaurora.org>
Subject: Re: [PATCH 1/2] PM / Domains: Add GENPD_FLAG_SUSPEND_ON flag
Date: Tue, 11 Aug 2020 17:19:03 -0700	[thread overview]
Message-ID: <7heeoc3edk.fsf@baylibre.com> (raw)
In-Reply-To: <20200811190252.10559-1-sibis@codeaurora.org>

Sibi Sankar <sibis@codeaurora.org> writes:

> This is for power domains which needs to stay powered on for suspend
> but can be powered on/off as part of runtime PM. This flag is aimed at
> power domains coupled to remote processors which enter suspend states
> independent to that of the application processor. Such power domains
> are turned off only on remote processor crash/shutdown.
>
> Signed-off-by: Sibi Sankar <sibis@codeaurora.org>

Seems like a useful use-case, but i think there should be a bit more
description/documentation about what is the expected/desired behavior
during system suspsend when a power-domain with this flag is already
runtime-PM suspended.  Similarily, on system resume, what is the
expected/desired behavior?

Kevin

  parent reply	other threads:[~2020-08-12  0:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-11 19:02 [PATCH 1/2] PM / Domains: Add GENPD_FLAG_SUSPEND_ON flag Sibi Sankar
2020-08-11 19:02 ` [PATCH 2/2] soc: qcom: aoss: Use " Sibi Sankar
2020-08-11 21:16   ` Doug Anderson
2020-08-11 21:17 ` [PATCH 1/2] PM / Domains: Add " Doug Anderson
2020-08-11 21:38 ` Stephen Boyd
2020-08-12 13:36   ` Sibi Sankar
2020-08-12  0:19 ` Kevin Hilman [this message]
2020-08-12 16:12   ` Sibi Sankar
2020-08-12  9:45 ` Ulf Hansson
2020-08-12 17:02   ` Sibi Sankar
2020-08-13 12:34     ` Ulf Hansson
2020-08-13 17:26       ` Sibi Sankar
2020-08-17  8:44         ` Ulf Hansson
2020-08-17 16:49           ` Sibi Sankar
2020-08-18  8:31             ` Ulf Hansson
2020-08-18  9:03               ` Sibi Sankar

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