Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750763AbWJESna (ORCPT ); Thu, 5 Oct 2006 14:43:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750776AbWJESna (ORCPT ); Thu, 5 Oct 2006 14:43:30 -0400 Received: from smtp-out001.kontent.com ([81.88.40.215]:33676 "EHLO smtp-out.kontent.com") by vger.kernel.org with ESMTP id S1750763AbWJESn3 convert rfc822-to-8bit (ORCPT ); Thu, 5 Oct 2006 14:43:29 -0400 From: Oliver Neukum To: Alan Stern Subject: Re: [linux-usb-devel] error to be returned while suspended Date: Thu, 5 Oct 2006 20:43:59 +0200 User-Agent: KMail/1.8 Cc: Pavel Machek , linux-kernel@vger.kernel.org, linux-usb-devel@lists.sourceforge.net References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200610052044.00324.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1567 Lines: 40 Am Donnerstag, 5. Oktober 2006 20:24 schrieb Alan Stern: > On Thu, 5 Oct 2006, Oliver Neukum wrote: > > > Am Donnerstag, 5. Oktober 2006 18:21 schrieb Alan Stern: > > > Currently we don't have any userspace APIs for such a daemon to use. ?The > > > only existing API is deprecated and will go away soon. > > > > I trust it'll be replaced. > > Yes. I think Greg wants to wait until the old API is completely gone. I doubt it will. There's a potential need. [..] > > In the general case the idea seems insufficient. If I close my laptop's lid > > I want all input devices suspended, whether the corresponding files are > > opened or not. In fact, if I have port level power control I might even > > want to cut power to them. > > That's a separate issue. You were talking about runtime suspend, but > closing the laptop's lid is a system suspend. Why? If you freeze my batch jobs or make unavailable the servers running on my laptop I'd be very unhappy. But I want to make jostling a mouse or other input device safe. Thus I want them to be suspended without autoresume. We need flexibility. [..] > P.S.: Cutting off port power is yet another issue. It isn't a suspend in > the strict sense, because it will break an existing power session. Yes, it is an additional more complicated option. Regards Oliver - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/