From: Pavel Machek <pavel@suse.cz>
To: "Jeffrey W. Baker" <jwbaker@gmail.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>, linux-kernel@vger.kernel.org
Subject: Re: Put unused PCI devices in D3
Date: Fri, 3 Oct 2008 21:40:40 +0200 [thread overview]
Message-ID: <20081003194040.GC1497@ucw.cz> (raw)
In-Reply-To: <1222736147.21516.12.camel@stinkpad>
Hi!
> > > * If the device is a bridge or hub with no downstream device
> >
> > Potential problems with hotplugging? But sure, this kind of thing is
> > being implemented in USB and SCSI.
> >
> > > * Whenever userspace requests D3 via sysfs
> >
> > This functionality was explicitly removed a few years back.
>
> I sure would like to have it back, if only just for experimentation.
Feel free to find it and reapply for your experiments. The file was in
sysfs was called power/state, just grep git logs for that.
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-10-03 19:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-29 20:11 Put unused PCI devices in D3 Jeffrey W. Baker
2008-09-30 0:09 ` Matthew Garrett
2008-09-30 0:55 ` Jeffrey W. Baker
2008-09-30 1:06 ` Matthew Garrett
2008-10-03 19:40 ` Pavel Machek [this message]
2008-10-03 19:37 ` Pavel Machek
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