From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=/Zd0=4O=vger.kernel.org=linux-kernel-owner@kernel.org>
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=-2.3 required=3.0 tests=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 07E0BC4BA0E
	for <linux-kernel@archiver.kernel.org>; Wed, 26 Feb 2020 11:59:18 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id DEB1924656
	for <linux-kernel@archiver.kernel.org>; Wed, 26 Feb 2020 11:59:17 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1726988AbgBZL7Q (ORCPT
        <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 26 Feb 2020 06:59:16 -0500
Received: from foss.arm.com ([217.140.110.172]:34882 "EHLO foss.arm.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1726272AbgBZL7Q (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 26 Feb 2020 06:59:16 -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 EEB6C1FB;
        Wed, 26 Feb 2020 03:59:15 -0800 (PST)
Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49])
        by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 84E403FA00;
        Wed, 26 Feb 2020 03:59:14 -0800 (PST)
Date:   Wed, 26 Feb 2020 11:59:12 +0000
From:   Sudeep Holla <sudeep.holla@arm.com>
To:     Elliot Berman <eberman@codeaurora.org>
Cc:     Mark Rutland <mark.rutland@arm.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Trilok Soni <tsoni@codeaurora.org>,
        Prasad Sodagudi <psodagud@codeaurora.org>,
        David Collins <collinsd@codeaurora.org>,
        linux-arm-kernel@lists.infradead.org,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [PATCH v2 2/3] firmware: psci: Add support for dt-supplied
 SYSTEM_RESET2 type
Message-ID: <20200226115912.GC8613@bogus>
References: <1582577858-12410-1-git-send-email-eberman@codeaurora.org>
 <1582577858-12410-3-git-send-email-eberman@codeaurora.org>
 <20200225110346.GF32784@bogus>
 <1d7fecf8-3a7f-57e5-5c13-73de89d52aa2@codeaurora.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1d7fecf8-3a7f-57e5-5c13-73de89d52aa2@codeaurora.org>
User-Agent: Mutt/1.9.4 (2018-02-28)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue, Feb 25, 2020 at 05:37:53PM -0800, Elliot Berman wrote:

[...]

> Alternatively, I could rename the DT property to
> "arm,psci-sys-reset2-vendor-param"

Yes much better.

> and then always set the 31st bit so that it is impossible to provide an
> invalid architectural reset type in DT.
>

Indeed this is what I was expecting and hence raised issue here. So that
one can't make use of architectural ID space just by adding param in DT.

--
Regards,
Sudeep