From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261407AbVHBLTV (ORCPT ); Tue, 2 Aug 2005 07:19:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261498AbVHBLTV (ORCPT ); Tue, 2 Aug 2005 07:19:21 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:26327 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261407AbVHBLSw (ORCPT ); Tue, 2 Aug 2005 07:18:52 -0400 Date: Tue, 2 Aug 2005 12:56:19 +0200 From: Pavel Machek To: Benjamin Herrenschmidt Cc: abelay@novell.com, Len Brown , Linux Kernel Mailing List , Daniel Ritz , Dominik Brodowski , Andrew Morton , Hugh Dickins , Dave Airlie , Linus Torvalds Subject: Re: revert yenta free_irq on suspend Message-ID: <20050802105619.GA1390@elf.ucw.cz> References: <2e55d42e7427.2e74272e55d4@columbus.rr.com> <1122886189.18835.109.camel@gaston> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1122886189.18835.109.camel@gaston> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > Also, as I said earlier, the better we support OSPM initiated power > > management, the more likely APM will break. This may be technically > > unavoidable on some isolated boxes without quirks. I agree with > > Pavel that "do nothing" may make sense, but it seems some devices > > may still need to be disabled by the OS. As a real world example, > > we currently can't turn off cardbus bridges because it breaks APM > > on a couple of older laptops. > > Won't freeing of IRQs cause problems with things like handhelds that > actually rely on an interrupt to wake up ? Well, you probably don't want to free IRQ that is used for wakeup; but if driver is used for wakeup, it probably needs some special handling, anyway (right?). Pavel -- teflon -- maybe it is a trademark, but it should not be.