Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761631Ab3EBS15 (ORCPT ); Thu, 2 May 2013 14:27:57 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:51395 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1760931Ab3EBS14 (ORCPT ); Thu, 2 May 2013 14:27:56 -0400 Date: Thu, 2 May 2013 14:27:55 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Arnd Bergmann cc: linux-kernel@vger.kernel.org, , Greg Kroah-Hartman Subject: Re: [PATCH, RFC 16/22] USB: UHCI: clarify Kconfig dependencies In-Reply-To: <201305021952.35040.arnd@arndb.de> 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: 1468 Lines: 34 On Thu, 2 May 2013, Arnd Bergmann wrote: > > What do you think of my patch as compared to yours? > > I think in the end it comes down to the question where you want to > head with your driver. The way I did my version was going towards > making it similar to EHCI, with stand-alone bus glue drivers > and a core that is just a library module but does not register > a device_driver by itself. > > Given that there are just three bus glues from UHCI, and at most > two of them enabled at the same time, I don't see a direct need > for UHCI to go down the same route as EHCI. If you want to just > leave this driver alone, your patch is simpler and has the same > effect in the end. Otherwise I think my patch avoids changing it > all again once the driver gets reworked. Okay then, I'll submit my patch to Greg after the merge window closes. > Things might also get a little messy if we are seeing a lot > of other platforms beside VIA VT8500 use UHCI, but I think that > is rather unlikely. Indeed. UHCI is the oldest of the host controller standards; people aren't about to start creating a whole bunch of new implementations of it. Even Intel no longer uses UHCI on their more recent motherboards. 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/