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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 09031C56201 for ; Fri, 20 Nov 2020 17:20:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A0692225B for ; Fri, 20 Nov 2020 17:20:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="Lo2LNPWG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727170AbgKTRU3 (ORCPT ); Fri, 20 Nov 2020 12:20:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726200AbgKTRU2 (ORCPT ); Fri, 20 Nov 2020 12:20:28 -0500 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3617BC0617A7 for ; Fri, 20 Nov 2020 09:20:28 -0800 (PST) Received: by mail-wr1-x443.google.com with SMTP id s8so10763163wrw.10 for ; Fri, 20 Nov 2020 09:20:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=OIg8axF/otAPwVYD+mlgyX0HRH+pgmC5pKn43li10L0=; b=Lo2LNPWGESf54GY6DXHqPzbkYPBYsum9rR1V94b+4mO570mggL2n8FXJEabhrj/TKi TLG/RLTJ94AloFg7juBWSXbDLYCr2maKbyUXUUQRS2IGKLqcMxfPRwU4n9P+y3GKS0YZ U4ZwoJRQoc3zFbYXV5NPJA3mA8iPIhu4KV264= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=OIg8axF/otAPwVYD+mlgyX0HRH+pgmC5pKn43li10L0=; b=E8x8ktGcO2OwsIEApCeMzt6u3dV/dxFJ/GcByMamSp/PQEc4yVEER1Emm+3gXHUHCr gce6+x0xinW+drMlPxaROAVV/opdDZ80db8GMkcl2h9OJvzIsfJo2FFV8laRYKBwb/go qRU0sQt+NZa9Q6YpqOStfeewlaH90WAR7UlIE9v988aDxL6jHECCbOSsRKcwfJBISnme Ha4oRqrxCn5qP45NLGIPosA8lrNQuMCmerSr35z3IGg/OHuUP4HltI2cCtoiMywRE1nU nCxPMarvjWytBb/pFGLE+Na8unTFdCL7Izd8/0WKT9F0rBd6gOdSnXCXV/oKaapwY7Ww c9oA== X-Gm-Message-State: AOAM530zb/508QzxCzJR/ctuWTbc0G4CxCtbUOCmNaWwmvInLCMRX4kR DoACUEcKGhsbFd52IHGZnfNM8r7PksXahWH+RuAfFQ== X-Google-Smtp-Source: ABdhPJwsbt1om7W1z+KVxKldwf4tLg12wRDvBU4Jwd1TDyACzW8z8bFMcAkQrhI+JZeV3oqi3iHGQuDvUI2jYkRcyn8= X-Received: by 2002:adf:e3c9:: with SMTP id k9mr17464354wrm.275.1605892826590; Fri, 20 Nov 2020 09:20:26 -0800 (PST) MIME-Version: 1.0 References: <20201112175632.42234-1-james.quinlan@broadcom.com> <20201112175632.42234-2-james.quinlan@broadcom.com> In-Reply-To: <20201112175632.42234-2-james.quinlan@broadcom.com> From: Jim Quinlan Date: Fri, 20 Nov 2020 12:20:14 -0500 Message-ID: Subject: Re: [PATCH v2 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport To: Sudeep Holla , "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" , Jim Quinlan Cc: Rob Herring , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000080c0f805b48d0fde" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00000000000080c0f805b48d0fde Content-Type: text/plain; charset="UTF-8" On Thu, Nov 12, 2020 at 12:56 PM Jim Quinlan wrote: > > In normal use of smc/hvc transport in SCMI the message completion is > indicated by the return of the SMC call. This commit provides for an > optional interrupt named "message-serviced" which is used instead to > indicate the completion of a message. > > 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..7cdad11f40b1 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 > + 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 : if "interrupts" is present, interrupt-names must also > + be present and have the value "message-serviced". > + > See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details > about the generic mailbox controller and client driver bindings. Hi Rob, Are you okay with this commit? Regards, Jim Quinlan Broadcom STB > > -- > 2.17.1 > --00000000000080c0f805b48d0fde Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQQwYJKoZIhvcNAQcCoIIQNDCCEDACAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg2YMIIE6DCCA9CgAwIBAgIOSBtqCRO9gCTKXSLwFPMwDQYJKoZIhvcNAQELBQAwTDEgMB4GA1UE CxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMT Ckdsb2JhbFNpZ24wHhcNMTYwNjE1MDAwMDAwWhcNMjQwNjE1MDAwMDAwWjBdMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEzMDEGA1UEAxMqR2xvYmFsU2lnbiBQZXJzb25h bFNpZ24gMiBDQSAtIFNIQTI1NiAtIEczMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA tpZok2X9LAHsYqMNVL+Ly6RDkaKar7GD8rVtb9nw6tzPFnvXGeOEA4X5xh9wjx9sScVpGR5wkTg1 fgJIXTlrGESmaqXIdPRd9YQ+Yx9xRIIIPu3Jp/bpbiZBKYDJSbr/2Xago7sb9nnfSyjTSnucUcIP ZVChn6hKneVGBI2DT9yyyD3PmCEJmEzA8Y96qT83JmVH2GaPSSbCw0C+Zj1s/zqtKUbwE5zh8uuZ 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