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Date: Fri, 28 Aug 2009 09:01:25 +0200
From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
       linux-pm <linux-pm@lists.linux-foundation.org>,
       LKML <linux-kernel@vger.kernel.org>, Len Brown <lenb@kernel.org>,
       Alan Stern <stern@rowland.harvard.edu>,
       ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
       Arjan van de Ven <arjan@infradead.org>, Zhang Rui <rui.zhang@intel.com>,
       Linux PCI <linux-pci@vger.kernel.org>
Subject: Re: [PATCH 8] PM: Allow user space to change the
	power.async_suspend flag of devices
Message-ID: <20090828070124.GB27928@elf.ucw.cz>
References: <200908262217.19609.rjw@sisk.pl> <200908272120.56021.rjw@sisk.pl> <20090827203634.372EC526EC9@mailhub.coreip.homeip.net> <200908280024.06082.rjw@sisk.pl>
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On Fri 2009-08-28 00:24:06, Rafael J. Wysocki wrote:
> On Thursday 27 August 2009, Dmitry Torokhov wrote:
> > Hi Rafael,
> > 
> > On Thu, Aug 27, 2009 at 09:20:55PM +0200, Rafael J. Wysocki wrote:
> > > From: Rafael J. Wysocki <rjw@sisk.pl>
> > > 
> > > Add sysfs attribute power/async for every device allowing the user
> > > space to access the device's power.async_suspend flag and modify it,
> > > if necessary.
> > > 
> > 
> > I don't think we should let users meddle with individual devices;
> > one global flag should be enough to work around "broken-at-the-moment"
> > issues.
> 
> Well, this patch is handy for testing if anyone is interested, so I posted it.
> 
> It isn't exactly safe, though, you're right.

I guess it would be acceptable to let the users disable it
per-driver... but if we can get without that, it would be better.

(it is obviously ok for debugging).
									Pavel

-- 
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