Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756335AbYH1UQ0 (ORCPT ); Thu, 28 Aug 2008 16:16:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753315AbYH1UQR (ORCPT ); Thu, 28 Aug 2008 16:16:17 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:40179 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752913AbYH1UQQ (ORCPT ); Thu, 28 Aug 2008 16:16:16 -0400 Date: Thu, 28 Aug 2008 16:16:15 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Scott Wood cc: Arnd Bergmann , , , , , , Li Yang Subject: Re: [PATCH] usb: add Freescale QE/CPM USB peripheral controller driver In-Reply-To: <48B6E62D.4060606@freescale.com> 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: 1035 Lines: 27 On Thu, 28 Aug 2008, Scott Wood wrote: > Alan Stern wrote: > > This was done deliberately. The relevant standards state that a USB > > device can have no more than one peripheral interface. > > Does building a kernel image that can run on different hardware without > rebuilding also violate the "relevant standards"? No. That isn't what Arnd was concerned about. He noted that even if you did build multiple modules, only one of them could be loaded at any time. > And who's to say that there aren't multiple USB devices on a single > board, that just happen to share a CPU and memory? :-) That's why I don't fully support this decision. But I wanted to point out that there _was_ a conscious decision, as opposed to bad programming through sheer carelessness. 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/