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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 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 BC35FC43603 for ; Sat, 7 Dec 2019 17:39:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8CD66217BA for ; Sat, 7 Dec 2019 17:39:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575740360; bh=T++ydQOV27cJbVsEb9mju7e2HDkTJb9/H8TvZE8Cq9s=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=dSru8aOvu3TJnvcMc1JMbCc+LckSQBWjvdhMeIisAyVqpnM75jCSZPoORdLin/ZL6 oL7iRi3C5R3TxxQxGC7NrYGbQlPC4n+EQOgLGRPFWpmZnZWxrb9gK2Krsi0lBk0FT4 gy1IUJtCQ1sThwIfIZRbbXZOCYWXQVz0rn72XnUM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726464AbfLGRjU (ORCPT ); Sat, 7 Dec 2019 12:39:20 -0500 Received: from inca-roads.misterjones.org ([213.251.177.50]:55248 "EHLO inca-roads.misterjones.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726455AbfLGRjT (ORCPT ); Sat, 7 Dec 2019 12:39:19 -0500 Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why) by cheepnis.misterjones.org with esmtpsa (TLSv1.2:AES256-GCM-SHA384:256) (Exim 4.80) (envelope-from ) id 1ide32-0008Ha-2c; Sat, 07 Dec 2019 18:39:16 +0100 Date: Sat, 7 Dec 2019 17:39:14 +0000 From: Marc Zyngier To: Ray Jui Cc: Rob Herring , Mark Rutland , devicetree@vger.kernel.org, Rayagonda Kokatanur , linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 0/2] Add iProc IDM device support Message-ID: <20191207173914.353f768d@why> In-Reply-To: <20191202233127.31160-1-ray.jui@broadcom.com> References: <20191202233127.31160-1-ray.jui@broadcom.com> Organization: Approximate X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: ray.jui@broadcom.com, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, rayagonda.kokatanur@broadcom.com, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on cheepnis.misterjones.org); SAEximRunCond expanded to false Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, 2 Dec 2019 15:31:25 -0800 Ray Jui wrote: > The Broadcom iProc IDM device allows control and monitoring of ASIC internal > bus transactions. Most importantly, it can be configured to detect bus > transaction timeout. In such case, critical information such as transaction > address that caused the error, bus master ID of the transaction that caused > the error, and etc., are made available from the IDM device. This seems to have many of the features of an EDAC device reporting uncorrectable errors. Is there any reason why it is not implemented as such? Thanks, M. -- Jazz is not dead. It just smells funny...