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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66094C433EF for ; Fri, 1 Jul 2022 14:55:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231726AbiGAOzS (ORCPT ); Fri, 1 Jul 2022 10:55:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230452AbiGAOzO (ORCPT ); Fri, 1 Jul 2022 10:55:14 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7EE8627FF4 for ; Fri, 1 Jul 2022 07:55:13 -0700 (PDT) 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 8863D113E; Fri, 1 Jul 2022 07:55:13 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 630C33F66F; Fri, 1 Jul 2022 07:55:11 -0700 (PDT) Date: Fri, 1 Jul 2022 15:55:08 +0100 From: Sudeep Holla To: Cristian Marussi Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, james.quinlan@broadcom.com, Jonathan.Cameron@huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, daniel.lezcano@linaro.org, tarek.el-sherbiny@arm.com, adrian.slatineanu@arm.com, souvik.chakravarty@arm.com, wleavitt@marvell.com, wbartczak@marvell.com Subject: Re: [PATCH v3 5/9] firmware: arm_scmi: Make use of FastChannels configurable Message-ID: <20220701145508.xw3zbhldi7lvcwgd@bogus> References: <20220627123038.1427067-1-cristian.marussi@arm.com> <20220627123038.1427067-6-cristian.marussi@arm.com> <20220701140307.upgfn4qpxhl63syg@bogus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 01, 2022 at 03:47:20PM +0100, Cristian Marussi wrote: [...] > ... regarding why, I am using personally this indeed for testing with or > without FCs without having to change the installed FW blob, BUT the reason > for upstreaming such an option is that FC support is indeed optional by the > spec so I thought it would have been acceptabel that you could want to > configure a platform NOT to use them even though the FW implementation you > are using, maybe across multiple platforms, supports it. Yes it is optional. But we use only if F/W advertises that it is available, so no harm if it is not implemented right ? I don't believe it will save space in the way config is used and I don't want to push all the code under the config too. -- Regards, Sudeep