linux-kernel - [PATCH 0/3] (was: Re: PM / sleep: Mechanism to avoid resuming runtime-suspended devices unnecessarily)

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Message-ID: <1596386.YnYCCm2UQG@vostro.rjw.lan>
Date:	Fri, 16 May 2014 02:45:35 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Aaron Lu <aaron.lu@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kevin Hilman <khilman@...aro.org>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 0/3] (was: Re: PM / sleep: Mechanism to avoid resuming runtime-suspended devices unnecessarily)

On Thursday, May 15, 2014 01:13:02 PM Rafael J. Wysocki wrote:
> On Wednesday, May 14, 2014 10:53:16 AM Alan Stern wrote:
> > On Tue, 13 May 2014, Rafael J. Wysocki wrote:

[cut]

> > 
> > 	if (dev->power.direct_complete) {
> > 		if (pm_runtime_status_suspended(dev)) {
> > 			pm_runtime_disable(dev);
> > 			if (dev->power.disable_depth == 1
> > 			    && pm_runtime_status_suspended(dev))
> > 				goto Complete;
> > 			pm_runtime_enable(dev);
> > 		}
> > 		dev->power.direct_complete = false;
> > 	}
> 
> That is a good idea, thanks!

New patches follow.

[1/3] is the core change with the above added.

> > Also, now that we have finally settled on the appropriate API, there
> > needs to ba a patch updating the PM documentation.
> 
> Absolutely.  I thought about updating the documentation in the same patch
> (at least the comments in pm.h), but I guess a separate patch for files
> under Documentation/ may be better.

[2/3] is the corresponding documentation update (I hope I haven't overlooked
anything important).

[3/3] is a resend of the ACPI PM patch on top of the core change.

Rafael

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