From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amit Kucheria Subject: Re: [RFC] Runtime power management on ipw2100 Date: Wed, 31 Jan 2007 15:24:36 +0200 Message-ID: <1170249876.6746.43.camel@amit-laptop> References: <20070131075249.GA22115@srcf.ucam.org> <20070131102744.GA24424@srcf.ucam.org> <200701311148.20777.ak@suse.de> <1170244400.6746.31.camel@amit-laptop> <20070131130447.GF19643@elf.ucw.cz> Reply-To: amit.kucheria@nokia.com Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: Matthew Garrett , ipw2100-devel@lists.sourceforge.net, linux-pm@lists.osdl.org, ext Andi Kleen , netdev@vger.kernel.org To: ext Pavel Machek Return-path: In-Reply-To: <20070131130447.GF19643@elf.ucw.cz> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.osdl.org Errors-To: linux-pm-bounces@lists.osdl.org List-Id: netdev.vger.kernel.org On Wed, 2007-01-31 at 14:04 +0100, ext Pavel Machek wrote: > On Wed 2007-01-31 13:53:20, Amit Kucheria wrote: > > = > > 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? > Pavel >>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. Regards, Amit