Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753866AbYHMUQU (ORCPT ); Wed, 13 Aug 2008 16:16:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751388AbYHMUQJ (ORCPT ); Wed, 13 Aug 2008 16:16:09 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:39641 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752380AbYHMUQG (ORCPT ); Wed, 13 Aug 2008 16:16:06 -0400 Date: Wed, 13 Aug 2008 16:16:05 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: James Bottomley cc: Oliver Neukum , Stefan Richter , Pavel Machek , kernel list , Linux-pm mailing list , Subject: Re: Power management for SCSI In-Reply-To: <1218656526.3237.7.camel@localhost.localdomain> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 817 Lines: 20 On Wed, 13 Aug 2008, James Bottomley wrote: > > With the original patch, you can't operate on the link independent from > > the devices. But with the revised patch (whenever I manage to find > > time to write it!), you _will_ be able to. > > That sounds great .. if you link it through the transport class, that > can implement the policy you want (as in power all devices down before > the link for USB, but just power down the link for SAS/SATA). Assuming we have a transport class for USB/Firewire! That's the reason I proposed adding such a thing. 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/