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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 33CF8C33CB1 for ; Wed, 15 Jan 2020 09:45:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0FF9D24655 for ; Wed, 15 Jan 2020 09:45:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729543AbgAOJpa (ORCPT ); Wed, 15 Jan 2020 04:45:30 -0500 Received: from foss.arm.com ([217.140.110.172]:33984 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729459AbgAOJpa (ORCPT ); Wed, 15 Jan 2020 04:45:30 -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 C6DCF31B; Wed, 15 Jan 2020 01:45:29 -0800 (PST) Received: from [10.1.197.1] (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0AB333F6C4; Wed, 15 Jan 2020 01:45:27 -0800 (PST) Subject: Re: [PATCH v8 06/15] coresight: cti: Add device tree support for v8 arch CTI To: Mike Leach , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, coresight@lists.linaro.org, linux-doc@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, mathieu.poirier@linaro.org, robh+dt@kernel.org, maxime@cerno.tech, liviu.dudau@arm.com, sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, agross@kernel.org, corbet@lwn.net References: <20200113213149.25599-1-mike.leach@linaro.org> <20200113213149.25599-7-mike.leach@linaro.org> From: Suzuki Kuruppassery Poulose Message-ID: <0a0c4326-598b-728d-e56b-3cf88efcec26@arm.com> Date: Wed, 15 Jan 2020 09:45:26 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <20200113213149.25599-7-mike.leach@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 13/01/2020 21:31, Mike Leach wrote: > The v8 architecture defines the relationship between a PE, its optional ETM > and a CTI. Unlike non-architectural CTIs which are implementation defined, > this has a fixed set of connections which can therefore be represented as a > simple tag in the device tree. > > This patch defines the tags needed to create an entry for this PE/ETM/CTI > relationship, and provides functionality to implement the connection model > in the CTI driver. > > Signed-off-by: Mike Leach > Reviewed-by: Mathieu Poirier Reviewed-by: Suzuki K Poulose