From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753325Ab3AGKdN (ORCPT ); Mon, 7 Jan 2013 05:33:13 -0500 Received: from mga09.intel.com ([134.134.136.24]:37002 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751180Ab3AGKdM (ORCPT ); Mon, 7 Jan 2013 05:33:12 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,423,1355126400"; d="scan'208";a="242917189" Date: Mon, 7 Jan 2013 12:36:42 +0200 From: Mika Westerberg To: Linus Walleij Cc: channing , grant.likely@secretlab.ca, linux-kernel@vger.kernel.org, sylvain.centelles@intel.com, ken.k.mills@intel.com, jun.d.chen@intel.com, alan@linux.intel.com Subject: Re: [PATCH] SPI: SSP SPI Controller driver v3 Message-ID: <20130107103642.GQ13897@intel.com> References: <1355818296.11831.287.camel@bichao> <20121219095616.GV2261@intel.com> <1357545943.28451.9.camel@bichao> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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 Mon, Jan 07, 2013 at 11:21:04AM +0100, Linus Walleij wrote: > On Mon, Jan 7, 2013 at 9:05 AM, channing wrote: > > > Frankly I'm currently not sure whether they share same IP.. per your reminds, I tried to find but get > > limited info about PXA SSP's IP, from the code, looks like they have part of registers the same. > > > > As far as I know, spi-pxa2xx.c is specific for SSP controller of PXA2XX/PXA3XX core, right? > > As pointed out by Mika it may very well be the same IP anyway. People copy/paste > share and fork VHDL/Verilog/SystemC code just as much as they do with > kernel code. Yes, at least on Intel Lynxpoint it is the same IP with few additional features. I'm about to send patches to spi-pxa2xx which enable the Lynxpoint support shortly.