From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Ocean HY1 He <hehy1@lenovo.com>
Cc: "lenb@kernel.org" <lenb@kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
David Tanaka <dtanaka@lenovo.com>,
"lv.zheng@intel.com" <lv.zheng@intel.com>,
Sumeet Kochar <skochar@lenovo.com>,
Nagananda Chumbalkar <nchumbalkar@lenovo.com>
Subject: Re: [PATCH v2] ACPI: Execute the _PTS method when system reboot
Date: Mon, 04 Jul 2016 15:00:40 +0200 [thread overview]
Message-ID: <9816457.z8EnLU3BXB@vostro.rjw.lan> (raw)
In-Reply-To: <1467038724-13455-1-git-send-email-hehy1@lenovo.com>
On Monday, June 27, 2016 02:50:16 PM Ocean HY1 He wrote:
> The _PTS control method is defined in the section 7.4.1 of acpi 6.0
> spec. The _PTS control method is executed by the OS during the sleep
> transition process for S1, S2, S3, S4, and for orderly S5 shutdown.
>
> The _PTS control method provides the BIOS a mechanism for performing
> some housekeeping, such as writing the sleep type value to the embedded
> controller, before entering the system sleeping state. Note that some
> Lenovo Server BIOS use this mechanism to detect reboot event and
> prompt user by popped dialog box.
>
> According to section 7.5 of acpi 6.0 spec, _PTS should run after _TTS.
> Add a _PTS evaulation to the existing _TTS reboot notifier and change
> the notifier name to reflect the fact that it's not for _TTS only any
> more.
>
> Signed-off-by: Ocean He <hehy1@lenovo.com>
> Signed-off-by: Nagananda Chumbalkar <nchumbalkar@lenovo.com>
Applied, thanks!
prev parent reply other threads:[~2016-07-04 12:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-27 14:50 Ocean HY1 He
2016-07-04 13:00 ` Rafael J. Wysocki [this message]
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