From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262839AbVDHPVu (ORCPT ); Fri, 8 Apr 2005 11:21:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262849AbVDHPVu (ORCPT ); Fri, 8 Apr 2005 11:21:50 -0400 Received: from az33egw01.freescale.net ([192.88.158.102]:30935 "EHLO az33egw01.freescale.net") by vger.kernel.org with ESMTP id S262839AbVDHPVs (ORCPT ); Fri, 8 Apr 2005 11:21:48 -0400 In-Reply-To: <42569300.7070008@f2s.com> References: <42569300.7070008@f2s.com> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <732461f28d4203394e841e2fd500c511@freescale.com> Content-Transfer-Encoding: 7bit Cc: "Greg KH" , From: Kumar Gala Subject: Re: PATCH add support for system on chip (SoC) devices. Date: Fri, 8 Apr 2005 10:21:25 -0500 To: "Ian Molton" X-Mailer: Apple Mail (2.619.2) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Apr 8, 2005, at 9:19 AM, Ian Molton wrote: > Hi. > > This patch add support for a new 'System on Chip' or SoC bus type. > > This allows common drivers used in different SoC devices to be shared > in > a clean and healthy manner, for example, the MMC function on toshiba > t7l66xb, tc6393xb, and Compaq IPAQ ASIC3. > > This is in common use in the handhelds.org CVS tree. > > The only real issue is that drivers using this currently tend to assume > that the SoC is attached to a platfrom_bus. This can be resolved as and > when it becomes an issue for people. What is wrong with using platform_device for this? We have been doing that on PPC for SoCs for a few months now and I'm pretty sure ARM has been doing this even longer. - kumar