From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756554AbZBPDYs (ORCPT ); Sun, 15 Feb 2009 22:24:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755729AbZBPDYk (ORCPT ); Sun, 15 Feb 2009 22:24:40 -0500 Received: from gate.crashing.org ([63.228.1.57]:55281 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755546AbZBPDYj (ORCPT ); Sun, 15 Feb 2009 22:24:39 -0500 Subject: Re: [RFD] Automatic suspend From: Benjamin Herrenschmidt To: Arjan van de Ven Cc: "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 In-Reply-To: <20090215182012.3bc6b292@infradead.org> References: <200902160010.16955.rjw@sisk.pl> <20090215164456.34aef7e8@infradead.org> <1234750360.26036.115.camel@pasglop> <20090215182012.3bc6b292@infradead.org> Content-Type: text/plain Date: Mon, 16 Feb 2009 14:23:41 +1100 Message-Id: <1234754621.26036.120.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2009-02-15 at 18:20 -0800, Arjan van de Ven wrote: > what this needs is a separation between "interface down, all off" and > "interface down enough so that link detection works". > Some NICs can go all the way down and still do link detection, others > cannot. This is obviously something the driver will know, nothing else > in the system should know. Sure, my point was just that the driver cannot make the decision to go all-off (and thus not detect link) without some kind of user setting allowing it to do so. Cheers, Ben.