From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6163EC43441 for ; Mon, 26 Nov 2018 19:09:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E5AB20660 for ; Mon, 26 Nov 2018 19:09:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2E5AB20660 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726745AbeK0GEL convert rfc822-to-8bit (ORCPT ); Tue, 27 Nov 2018 01:04:11 -0500 Received: from mail.bootlin.com ([62.4.15.54]:40202 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726254AbeK0GEL (ORCPT ); Tue, 27 Nov 2018 01:04:11 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id 4489A20711; Mon, 26 Nov 2018 20:09:06 +0100 (CET) Received: from bbrezillon (unknown [91.160.177.164]) by mail.bootlin.com (Postfix) with ESMTPSA id 9AA6D20D2E; Mon, 26 Nov 2018 20:08:55 +0100 (CET) Date: Mon, 26 Nov 2018 20:08:55 +0100 From: Boris Brezillon To: vitor Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH] i3c: master: dw: split dw-i3c-master.c into master and bus specific parts Message-ID: <20181126200855.0caa45b0@bbrezillon> In-Reply-To: <20181126195618.352eafb1@bbrezillon> References: <20181122210202.6af50fcc@bbrezillon> <6d513e04-3a57-1989-429c-64631101c5a2@synopsys.com> <20181123135004.7fd1cd58@bbrezillon> <83115f47-1326-cb33-a7dc-4bc8ff95befa@synopsys.com> <20181126133550.51469816@bbrezillon> <4e9c0461-02a3-80b2-c9b7-2e9ea9b38f8b@synopsys.com> <20181126195618.352eafb1@bbrezillon> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 Nov 2018 19:56:18 +0100 Boris Brezillon wrote: > > > >     - for the others it will easy the SoC integration avoiding > > duplicated work and doing things from scratch. > > What would be duplicated? You want to support a new SoC, just add a new > entry in the of_match_table and you're done. When you need to add > SoC/integration specific stuff, create a struct and attach a different > instance per-compatible so that each SoC can have its own configuration > (or even init sequence if needed). That's how we do for pretty much all > IPs out there, why should designware ones be different? To be more specific, I'd like a real example that shows why the separation is needed.