linux-kernel - RE: [PATCH] powercap: add suspend and resume mechanism for SOC power limit

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Message-ID: <29BA90D9533CD34EA40DF8A796ED93C30409C0F1@CDSMSX104.ccr.corp.intel.com>
Date:   Wed, 10 Jan 2018 00:23:21 +0000
From:   "Sun, XinX" <xinx.sun@...el.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
CC:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        "Han, Zhen" <zhen.han@...el.com>,
        "Wang, ChaoX M" <chaox.m.wang@...el.com>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] powercap: add suspend and resume mechanism for SOC
 power limit

Ok, got it.

-----Original Message-----
From: rjwysocki@...il.com [mailto:rjwysocki@...il.com] On Behalf Of Rafael J. Wysocki
Sent: Wednesday, January 10, 2018 8:21 AM
To: Sun, XinX <xinx.sun@...el.com>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>; Han, Zhen <zhen.han@...el.com>; Wang, ChaoX M <chaox.m.wang@...el.com>; Linux PM <linux-pm@...r.kernel.org>; Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] powercap: add suspend and resume mechanism for SOC power limit

On Tue, Jan 9, 2018 at 9:25 AM,  <xinx.sun@...el.com> wrote:
> From: Zhen Han <zhen.han@...el.com>
>
> PL1 and PL2 could be throlled or de-throttled by Thermal management to 
> control SOC temperature.
> However, currently, their value will be reset to default value after 
> once system suspend and resume.
> Add pm_notifier to save PL1, PL2 before system suspect and restore 
> PL1, PL2 after system resume.
>
> Signed-off-by: Sun Xinx <xinx.sun@...el.com>

There is a formal issue here.

We need a Signed-off-by: tag from Zhen Han too.

Thanks,
Rafael