Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp3589030pxj; Mon, 21 Jun 2021 02:04:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxSev8DPmg5cJhR/i7beCSVdd1s+QocwOQkFt6flp1IvOYkhPYsceToocoVgbtzQ5MhfoM8 X-Received: by 2002:a17:906:cc14:: with SMTP id ml20mr23964602ejb.515.1624266296235; Mon, 21 Jun 2021 02:04:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624266296; cv=none; d=google.com; s=arc-20160816; b=UAcAfuL0/jEjxdcXsEe/uxgQuxZcoMEZIQfXvmUXnWVUFWUB1PUkkECspWiB7GzW7k qb3g1dD6Qrj4k4CkVsks1NkV/k7Dzt5utJqd8rzBxsn49VoRciWtJmzIlvVnPzL6Wd2Q N2pfqIG8KA6U/ijVCEgWNYuebQXdyhwYU9AKK/yVqReRhUffIvyjhRvoKztdttUr6aVA tKgiArKJksR3Q+wQuDYTF46/D1D0V1K8aJQD1ia/nN7U7BqaLMAnBY4OkF46tr0kGlzy 3Xdu9/FoTC7QNAMbgxQD+KnTsHIzmiydoHWNieVypQV7EFeZCAbiwCJnmL0Dv0JUOLHn f3SA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=w9AL25rrL75oQ9/xCWS2YpOTuTNVxDOmZqt09gZlRuA=; b=y65rfyfokT/UljwF2fecNUCTgvVEeONfXazVRvh2pzEqSqngF5dbENXgdur4CUpXc6 EodA1vYVbDgCb8WSgmmFa961G5a7mvrvYoGbd2ZmAoZ42LUJP/bNmISqB6aicqp8+T1e Gtx9MNlYP/3crbbGtobYeTP42Fc3opQjeguwsK/uUvNDIJWCrxagaVdNDoPVQL3MGqX8 X88LZQ7dIFKjJXyAvwySzK8D5u/cwTars8gTIB0zjcga7kv821KB//a9kEo3OgKOUyWz HmdKhnlabRla5eUUrqYSX+48i0WJHSeWG4effv7Sl4Eds2mOj6kk0E1xJ4C4mXGehy4v YTnA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b23si16999633edv.199.2021.06.21.02.04.34; Mon, 21 Jun 2021 02:04:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230272AbhFUJDq (ORCPT + 99 others); Mon, 21 Jun 2021 05:03:46 -0400 Received: from foss.arm.com ([217.140.110.172]:58858 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229618AbhFUJDp (ORCPT ); Mon, 21 Jun 2021 05:03:45 -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 B521E1FB; Mon, 21 Jun 2021 02:01:31 -0700 (PDT) Received: from e120937-lin (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 2A6D13F718; Mon, 21 Jun 2021 02:01:29 -0700 (PDT) Date: Mon, 21 Jun 2021 10:01:26 +0100 From: Cristian Marussi To: Sudeep Holla Cc: Jassi Brar , Peter Hilber , linux-arm-kernel , Devicetree List , Igor Skalkin , Rob Herring , Linux Kernel Mailing List , souvik.chakravarty@arm.com, alex.bennee@linaro.org, jean-philippe@linaro.org, mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com, Vasyl Vavrychuk , Andriy Tryshnivskyy , Mark Rutland , Lorenzo Pieralisi Subject: Re: [RFC PATCH v3 01/12] firmware: arm_scmi, smccc, mailbox: Make shmem based transports optional Message-ID: <20210621090126.GA50227@e120937-lin> References: <20210511002040.802226-1-peter.hilber@opensynergy.com> <20210511002040.802226-2-peter.hilber@opensynergy.com> <20210621085431.whk5z3gohk3pb6j7@bogus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210621085431.whk5z3gohk3pb6j7@bogus> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Mon, Jun 21, 2021 at 09:54:31AM +0100, Sudeep Holla wrote: > On Sun, Jun 20, 2021 at 11:09:21PM -0500, Jassi Brar wrote: > > On Mon, May 10, 2021 at 7:22 PM Peter Hilber > > wrote: > > > > ..... > > > > > --- a/drivers/mailbox/Kconfig > > > +++ b/drivers/mailbox/Kconfig > > > @@ -1,6 +1,7 @@ > > > # SPDX-License-Identifier: GPL-2.0-only > > > menuconfig MAILBOX > > > bool "Mailbox Hardware Support" > > > + select ARM_SCMI_HAVE_SHMEM > > > help > > > Mailbox is a framework to control hardware communication between > > > on-chip processors through queued messages and interrupt driven > > > > > Isn't this too generic? > > Not all platforms, with a mailbox controller, use SCMI as the protocol. > > > > Yikes! I agree Jassi, this looks super hack. > Yes indeed, I have still to rework this part of the series. (@Jassi: I'm reworking this series starting from the work done by Peter up to V3, since it needed some core SCMI transport rework to ease implememtation of virtio-scmi transport) Thanks, Cristian > -- > Regards, > Sudeep