Return-path: Received: from smtp.nokia.com ([192.100.122.233]:22506 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755520AbYLKN3y (ORCPT ); Thu, 11 Dec 2008 08:29:54 -0500 To: "Michael Buesch" Cc: "Julian Calaby" , "Johannes Berg" , "Matthew Garrett" , linux-wireless@vger.kernel.org, bcm43xx-dev@lists.berlios.de, hmh@hmh.eng.br Subject: Re: [RFC] b43: rework rfkill code References: <20081210150935.GA10927@srcf.ucam.org> <1228922997.15837.6.camel@johannes.berg> <646765f40812101632u76847935l2405482aabe1c1f8@mail.gmail.com> <200812110227.26909.mb@bu3sch.de> From: Kalle Valo Date: Thu, 11 Dec 2008 15:28:38 +0200 In-Reply-To: <200812110227.26909.mb@bu3sch.de> (ext Michael Buesch's message of "Thu\, 11 Dec 2008 02\:27\:25 +0100") Message-ID: <87y6ymkfi1.fsf@nokia.com> (sfid-20081211_143002_579284_316037B6) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Michael Buesch writes: > On Thursday 11 December 2008 01:32:37 Julian Calaby wrote: > >> What strikes me, watching this from the outside - is that rfkill and >> power saving seem to be doing essentially the same thing: temporarily >> powering down the radio / card. > > I think it's essentially a different thing. rfkill means -> turn off > the radio; no matter what. PS means -> turn off the radio for > whatever amount of microseconds and periodically wake up to see > what's up. PS-core also takes place in the firmware of the device, > where rfkill is a much higher layer thing. I agree, they shouldn't be intermixed at all. -- Kalle Valo