linux-kernel - [PATCH 0/7] PM / QoS: Support for PM QoS device flags

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Message-ID: <1413438.1MkXj8vjQK@vostro.rjw.lan>
Date:	Mon, 08 Oct 2012 10:02:39 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linux PM list <linux-pm@...r.kernel.org>
Cc:	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Huang Ying <ying.huang@...el.com>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Lan Tianyu <tianyu.lan@...el.com>,
	Aaron Lu <aaron.lu@...el.com>, Jean Pihet <j-pihet@...com>,
	linux-pci@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	mark gross <markgross@...gnar.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/7] PM / QoS: Support for PM QoS device flags

Hi All,

On Friday 28 of September 2012 23:51:10 Rafael J. Wysocki wrote:
> 
> The following patch series extends the existing device PM QoS core code to
> support PM QoS flags representing binary (on/off) requirements, such as
> whether or not power may be removed entirely from the device or whether
> or not remote wakeup (i.e. signalling of external events while suspended)
> should work for it.
> 
> [1/7] Prepare PM QoS device structure for adding more constraint types.
> [2/7] Introduce request and constraint data types for PM QoS flags.
> [3/7] Prepare struct dev_pm_qos_request for representing more request types. 
> [4/7] Introduce device PM QoS flags support.
> [5/7] Make it possible to expose PM QoS device flags to user space.
> [6/7] PM / Domains: Check device PM QoS flags in pm_genpd_poweroff().
> [7/7] PM / ACPI: Take device PM QoS flags into account.
> 
> The last two patches make the generic PM domains framework and ACPI / PCI,
> respectively, take the PM QoS device flags introduced by patch [5/7] into
> accont when making their decisions.
> 
> The changelogs describe the details, but if anything isn't clear, please let
> me know.

Time for a real submission, it seems. :-)

The changes since the previous iteration are addressed comments and a small
optimization in patch [5/7] (it won't resume the device if the setting is not
going to change in dev_pm_qos_update_flags()).

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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