Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753333AbYHMPqn (ORCPT ); Wed, 13 Aug 2008 11:46:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751117AbYHMPqg (ORCPT ); Wed, 13 Aug 2008 11:46:36 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:41046 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751116AbYHMPqf (ORCPT ); Wed, 13 Aug 2008 11:46:35 -0400 Date: Wed, 13 Aug 2008 11:46:34 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Oliver Neukum cc: Pavel Machek , kernel list , Linux-pm mailing list , , Subject: Re: Power management for SCSI In-Reply-To: <200808131724.52461.oneukum@suse.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 902 Lines: 21 On Wed, 13 Aug 2008, Oliver Neukum wrote: > Am Mittwoch 13 August 2008 16:59:23 schrieb Alan Stern: > > This is a good question. ?Most USB mass-storage devices do not act as a > > true SCSI bus, but I believe there are a few non-standard ones that do > > -- the USB device really contains a SCSI host and arbitrary SCSI > > OK, but does it make sense to have SCSI autosuspend? Or should autosuspend > operate on the bus the _host_ is connected to (usb, pci, ...)? That's the situation we're in now. Autosuspend operates on the USB bus, but it can't do anything with usb-storage because the child SCSI devices don't do a SCSI autosuspend. Alan Stern -- 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/