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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 A983FC32753 for ; Wed, 14 Aug 2019 16:51:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86E692084D for ; Wed, 14 Aug 2019 16:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728315AbfHNQvo (ORCPT ); Wed, 14 Aug 2019 12:51:44 -0400 Received: from foss.arm.com ([217.140.110.172]:57346 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726126AbfHNQvn (ORCPT ); Wed, 14 Aug 2019 12:51:43 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B6676344; Wed, 14 Aug 2019 09:51:42 -0700 (PDT) Received: from e107155-lin (e107155-lin.cambridge.arm.com [10.1.196.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 621593F694; Wed, 14 Aug 2019 09:51:41 -0700 (PDT) Date: Wed, 14 Aug 2019 17:51:33 +0100 From: Sudeep Holla To: Jassi Brar Cc: Morten Borup Petersen , Tushar Khandelwal , Linux Kernel Mailing List , "tushar.2nov@gmail.com" , "nd@arm.com" , Morten Borup Petersen , Rob Herring , Mark Rutland , Devicetree List Subject: Re: [PATCH 1/4] mailbox: arm_mhuv2: add device tree binding documentation Message-ID: <20190814165133.GA8346@e107155-lin> References: <20190717192616.1731-1-tushar.khandelwal@arm.com> <20190717192616.1731-2-tushar.khandelwal@arm.com> <20190814100518.GA21898@e107155-lin> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 14, 2019 at 09:52:25AM -0500, Jassi Brar wrote: > On Wed, Aug 14, 2019 at 5:05 AM Sudeep Holla wrote: > > > > On Tue, Aug 13, 2019 at 11:36:56AM -0500, Jassi Brar wrote: > > [...] > > > > > > >> > > > > >> As mentioned in the response to your initial comment, the driver does > > > > >> not currently support mixing protocols. > > > > >> > > > > > Thanks for acknowledging that limitation. But lets also address it. > > > > > > > > > > > > > We are hesitant to dedicate time to developing mixing protocols given > > > > that we don't have any current usecase nor any current platform which > > > > would support this. > > > > > > > Can you please share the client code against which you tested this driver? > > > From my past experience, I realise it is much more efficient to tidyup > > > the code myself, than endlessly trying to explain the benefits. > > > > > > > Thanks for the patience and offer. > > > Ok, but the offer is to Morten for MHUv2 driver. > > > Can we try the same with MHUv1 and SCMI > > upstream driver. > > > MHUv1 driver is fine as it is. > I did try my best to keep you from messing the SCMI driver, without success > https://lkml.org/lkml/2017/8/7/924 I disagree, you haven't told me how to address the usecase which I mentioned with the abstraction/multiplexer on top of MHU as you have been suggesting. I am sure MHUv2 will have the same usecase. -- Regards, Sudeep