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=-11.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 6C7A6C4742C for ; Wed, 11 Nov 2020 10:37:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3BA020809 for ; Wed, 11 Nov 2020 10:37:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726007AbgKKKhV (ORCPT ); Wed, 11 Nov 2020 05:37:21 -0500 Received: from foss.arm.com ([217.140.110.172]:46722 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725860AbgKKKhU (ORCPT ); Wed, 11 Nov 2020 05:37:20 -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 82A78101E; Wed, 11 Nov 2020 02:37:19 -0800 (PST) Received: from bogus (unknown [10.57.15.107]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7324D3F6CF; Wed, 11 Nov 2020 02:37:17 -0800 (PST) Date: Wed, 11 Nov 2020 10:37:11 +0000 From: Sudeep Holla To: Jim Quinlan Cc: bcm-kernel-feedback-list@broadcom.com, Rob Herring , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Sudeep Holla , Cristian Marussi , open list Subject: Re: [PATCH v1 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport Message-ID: <20201111103711.h6hez4d6t3uxat3b@bogus> References: <20201110183827.19731-1-james.quinlan@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201110183827.19731-1-james.quinlan@broadcom.com> User-Agent: NeoMutt/20171215 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Tue, Nov 10, 2020 at 01:38:18PM -0500, Jim Quinlan wrote: > This change allows the SCMI "platform" to use the smc/hvc transport and to Incorrect statement above, it is OSPM using SMC/HVC as transport and not the "platform" which refers to entity/firmware implementing SCMI services to OSPM. Also this change is not adding SMC/HVC, just the interrupt support. > optionally indicate the completion of an SCMI message with an interrupt. > This is in contrast to the nominal case where the return of the SMC call > indicates message completion. > > Signed-off-by: Jim Quinlan > --- > Documentation/devicetree/bindings/arm/arm,scmi.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt > index 55deb68230eb..d3b0c9f387fe 100644 > --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt > +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt > @@ -31,6 +31,14 @@ Optional properties: > > - mbox-names: shall be "tx" or "rx" depending on mboxes entries. > > +- interrupts : when using smc or hvc transports, this optional > + property indicates that msg completion by the platform is indicated s/msg/message/ > + by an interrupt rather than by the return of the smc call. This > + should not be used except when the platform requires such behavior. > + > +- interrupt-names : the name must be "msg-serviced". Is this mandatory if "interrupts" is present ? > + > + Extra blank line ? -- Regards, Sudeep