From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757299Ab2GFSiE (ORCPT ); Fri, 6 Jul 2012 14:38:04 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:51338 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753337Ab2GFSiC (ORCPT ); Fri, 6 Jul 2012 14:38:02 -0400 X-Sasl-enc: pX1erBUgC2a95/rhfTxb9Kf1/FuhEouAxR7nAF6KzJy9 1341599880 Date: Fri, 6 Jul 2012 11:37:59 -0700 From: Greg KH To: Chris Metcalf Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: [PATCH 1/3] arch/tile: provide kernel support for the tilegx USB shim Message-ID: <20120706183759.GA13488@kroah.com> References: <201206162048.q5GKm1rt019464@farm-0002.internal.tilera.com> <20120706173635.GB2373@kroah.com> <4FF72794.7010009@tilera.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4FF72794.7010009@tilera.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 06, 2012 at 01:59:48PM -0400, Chris Metcalf wrote: > On 7/6/2012 1:36 PM, Greg KH wrote: > > On Wed, May 09, 2012 at 12:25:02PM -0400, Chris Metcalf wrote: > >> This change adds support for accessing the USB shim from within the > >> kernel. Note that this change by itself does not allow the kernel > >> to act as a host or as a device; it merely exposes the built-in on-chip > >> hardware to the kernel. > > What do you mean by this? This is needed for the other patches, right? > > If so, I'm guessing they are going through the tile tree? That's fine > > with me. > > Correct; this piece just adds the infrastructure that lets you then layer > the standard USB host code on top. I'm assuming I'll push both the tilegx > USB infrastructure, and the drivers/usb/host stuff, through the tile tree. > Or, I can push just the low-level stuff through the tile tree and let the > USB host stuff go through the usb tree. I have no objection for you to take all of it through your tree. thanks, greg k-h