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=-5.2 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 1BE1EC388F7 for ; Fri, 13 Nov 2020 09:47:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C40D62145D for ; Fri, 13 Nov 2020 09:47:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726418AbgKMJrr (ORCPT ); Fri, 13 Nov 2020 04:47:47 -0500 Received: from foss.arm.com ([217.140.110.172]:35286 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726303AbgKMJrh (ORCPT ); Fri, 13 Nov 2020 04:47:37 -0500 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 42A621042; Fri, 13 Nov 2020 01:47:36 -0800 (PST) Received: from bogus (unknown [10.57.15.107]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 50E193F6CF; Fri, 13 Nov 2020 01:47:35 -0800 (PST) Date: Fri, 13 Nov 2020 09:47:32 +0000 From: Sudeep Holla To: Jim Quinlan Cc: bcm-kernel-feedback-list@broadcom.com, Sudeep Holla , Cristian Marussi , open list Subject: Re: [PATCH v2 2/2] firmware: arm_scmi: Augment SMC/HVC to allow optional interrupt Message-ID: <20201113094732.4bcyjs7zz7vwg4of@bogus> References: <20201112175632.42234-1-james.quinlan@broadcom.com> <20201112175632.42234-3-james.quinlan@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201112175632.42234-3-james.quinlan@broadcom.com> User-Agent: NeoMutt/20171215 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 12, 2020 at 12:56:27PM -0500, Jim Quinlan wrote: > The SMC/HVC SCMI transport is modified to allow the completion of an SCMI > message to be indicated by an interrupt rather than the return of the smc > call. This accommodates the existing behavior of the BrcmSTB SCMI > "platform" whose SW is already out in the field and cannot be changed. > Sorry for missing to check with you earlier. Are these not fast smc calls ? Can we check the SMC Function IDs for the same and expect IRQ to be present if they are not fast calls ? -- Regards, Sudeep