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=-2.2 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 A6811C2D0DB for ; Thu, 23 Jan 2020 10:30:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E68C24125 for ; Thu, 23 Jan 2020 10:30:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726761AbgAWKal (ORCPT ); Thu, 23 Jan 2020 05:30:41 -0500 Received: from foss.arm.com ([217.140.110.172]:37506 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726194AbgAWKal (ORCPT ); Thu, 23 Jan 2020 05:30:41 -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 A3C1431B; Thu, 23 Jan 2020 02:30:40 -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 64F903F6C4; Thu, 23 Jan 2020 02:30:39 -0800 (PST) Date: Thu, 23 Jan 2020 10:30:33 +0000 From: Sudeep Holla To: Viresh Kumar Cc: arnd@arndb.de, jassisinghbrar@gmail.com, cristian.marussi@arm.com, peng.fan@nxp.com, peter.hilber@opensynergy.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sudeep Holla Subject: Re: [PATCH V4] firmware: arm_scmi: Make scmi core independent of the transport type Message-ID: <20200123103033.GA7511@bogus> References: <20200121183818.GA11522@bogus> <20200122121538.GA31240@bogus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200122121538.GA31240@bogus> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 22, 2020 at 12:15:38PM +0000, Sudeep Holla wrote: > On Wed, Jan 22, 2020 at 08:06:23AM +0530, Viresh Kumar wrote: > [...] > > Can you please help me getting this tested, now that I have rebased it > > as well :) ? > > > > Sure, I will give it a go on my Juno. Thanks for the rebase, makes it > simpler. > Sorry for the delay. I gave this a spin on my Juno. I am seeing below warning once on boot but it continues and everything seem to work fine. Also the warning is not related to this change I believe and this patch is just helping to hit some corner case with deferred probe and devres. I need to spend some time to debug it. Regards, Sudeep --->8 WARNING: CPU: 1 PID: 187 at drivers/base/dd.c:519 really_probe+0x11c/0x418 Modules linked in: CPU: 1 PID: 187 Comm: kworker/1:2 Not tainted 5.5.0-rc7-00026-gf7231cd3108d-dirty #20 Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Jan 16 2020 Workqueue: events deferred_probe_work_func pstate: 80000005 (Nzcv daif -PAN -UAO) pc : really_probe+0x11c/0x418 lr : really_probe+0x10c/0x418 Call trace: really_probe+0x11c/0x418 driver_probe_device+0xe4/0x138 __device_attach_driver+0x90/0x110 bus_for_each_drv+0x80/0xd0 __device_attach+0xdc/0x160 device_initial_probe+0x18/0x20 bus_probe_device+0x98/0xa0 deferred_probe_work_func+0x90/0xe0 process_one_work+0x1ec/0x4a8 worker_thread+0x210/0x490 kthread+0x110/0x118 ret_from_fork+0x10/0x18 ---[ end trace 06f96d55ce6093a8 ]---