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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 A63AEC11F64 for ; Thu, 1 Jul 2021 10:27:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 736E76145E for ; Thu, 1 Jul 2021 10:27:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236050AbhGAKaE (ORCPT ); Thu, 1 Jul 2021 06:30:04 -0400 Received: from foss.arm.com ([217.140.110.172]:50760 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229878AbhGAKaC (ORCPT ); Thu, 1 Jul 2021 06:30:02 -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 95317D6E; Thu, 1 Jul 2021 03:27:31 -0700 (PDT) Received: from e120937-lin (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5FD073F718; Thu, 1 Jul 2021 03:27:28 -0700 (PDT) Date: Thu, 1 Jul 2021 11:27:25 +0100 From: Cristian Marussi To: Peter Hilber Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org, sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, igor.skalkin@opensynergy.com, alex.bennee@linaro.org, jean-philippe@linaro.org, mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com, Vasyl.Vavrychuk@opensynergy.com, Andriy.Tryshnivskyy@opensynergy.com Subject: Re: [PATCH v4 06/16] firmware: arm_scmi, smccc, mailbox: Make shmem based transports optional Message-ID: <20210701102725.GC17807@e120937-lin> References: <20210611165937.701-1-cristian.marussi@arm.com> <20210611165937.701-7-cristian.marussi@arm.com> <039f1a64-b4b6-5274-1fff-253f1dd6eac8@opensynergy.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <039f1a64-b4b6-5274-1fff-253f1dd6eac8@opensynergy.com> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Thu, Jul 01, 2021 at 10:42:56AM +0200, Peter Hilber wrote: > On 11.06.21 18:59, Cristian Marussi wrote: > > From: Igor Skalkin > > > > Upon adding the virtio transport in this patch series, SCMI will also > > work without shared memory based transports. Also, the mailbox transport > > may not be needed if the smc transport is used. > > > > - Compile shmem.c only if a shmem based transport is available. > > > > - Remove hard dependency of SCMI on mailbox. > > The hard dependency has now already been removed with > > c05b07963e96 ("firmware: arm_scmi: Add SMCCC discovery dependency in") > I deeply reviewed transport Kconfig approach in V5 in general, making all transport configurable (y/n), so this patch will be adapted to the new Kconfig layout annd basically just provide the HAVE_SHMEM feature. Thanks, Cristian