netdev - Re: [linux-pm] [RFC] Runtime power management on ipw2100

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Message-ID: <20070131134416.GG19643@elf.ucw.cz>
Date:	Wed, 31 Jan 2007 14:44:16 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Amit Kucheria <amit.kucheria@...ia.com>
Cc:	ext Andi Kleen <ak@...e.de>, Matthew Garrett <mjg59@...f.ucam.org>,
	netdev@...r.kernel.org, linux-pm@...ts.osdl.org,
	ipw2100-devel@...ts.sourceforge.net
Subject: Re: [linux-pm] [RFC] Runtime power management on	ipw2100

Hi!

> > > Yes. Low power states without ability to respond to wakeup interrupts
> > > would be broken behaviour generally.
> > 
> > Do you realy expect wifi to save significant ammount of power, while
> > still listening for packets on wireless network?
> 
> >From N800 specs (not meant as a shameless plug):
> 
> Continuous WLAN browsing:  upto 3.5 hrs
> Always Online WLAN (idle but respond to VoIP calls): upto 2 days
> Standby time(no WLAN):  upto 12 days
> 
> So with the right hardware, yes, you can listen and still save power.

Okay, but I'm somehow not sure if ipw2100 can do this kind of
tricks. Yes, n800 is likely very nice toy :-).
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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