From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756045AbZBPQrA (ORCPT ); Mon, 16 Feb 2009 11:47:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755475AbZBPQqt (ORCPT ); Mon, 16 Feb 2009 11:46:49 -0500 Received: from smtp-out002.kontent.com ([81.88.40.216]:39872 "EHLO smtp-out002.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752286AbZBPQqt (ORCPT ); Mon, 16 Feb 2009 11:46:49 -0500 From: Oliver Neukum Organization: Novell To: Arjan van de Ven Subject: Re: [RFD] Automatic suspend Date: Mon, 16 Feb 2009 17:48:06 +0100 User-Agent: KMail/1.9.10 Cc: Benjamin Herrenschmidt , "Rafael J. Wysocki" , pm list , LKML , Arve =?iso-8859-1?q?Hj=F8nnev=E5g?= , Alan Stern , Pavel Machek , Nigel Cunningham , Matthew Garrett , mark gross , "Woodruff, Richard" , Uli Luckas , Igor Stoppa , Brian Swetland , Len Brown References: <200902160010.16955.rjw@sisk.pl> <200902160806.17901.oliver@neukum.org> <20090216074048.6d70f17c@infradead.org> In-Reply-To: <20090216074048.6d70f17c@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902161748.09208.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Monday 16 February 2009 16:40:48 schrieb Arjan van de Ven: > > Why shouldn't user space know the consequences of still requesting > > a service and be able to decide on that basis which services to > > request? > > That's not what I said. Userspace should not be the part that goes "oh > this is a realtek not an intel nic, so ..." > That is the drivers job. True. > Userspace should just be the part that says "I'm interested in link > notifications". The driver then just goes to the lowest power state for > its device that still gives those notifications. Should there be a channel through which drivers can tell user space what the consequences in terms of reaching a sleep state are if a service is requested? Regards Oliver