From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755274AbdKBJjg (ORCPT ); Thu, 2 Nov 2017 05:39:36 -0400 Received: from mga09.intel.com ([134.134.136.24]:59139 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751782AbdKBJjf (ORCPT ); Thu, 2 Nov 2017 05:39:35 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,333,1505804400"; d="scan'208";a="1213241450" Subject: Re: [PATCH] driver core: Fix device link deferred probe To: Greg Kroah-Hartman Cc: "Rafael J. Wysocki" , linux-kernel References: <1509614573-29850-1-git-send-email-adrian.hunter@intel.com> <20171102093312.GB16369@kroah.com> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Message-ID: <5d78f1d2-4208-fe3b-d0e9-ddee86c0fa26@intel.com> Date: Thu, 2 Nov 2017 11:32:36 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20171102093312.GB16369@kroah.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/11/17 11:33, Greg Kroah-Hartman wrote: > On Thu, Nov 02, 2017 at 11:22:53AM +0200, Adrian Hunter wrote: >> A device probe deferred because of a device link is never probed again >> because it is not added to the deferred_probe_pending_list. Add it, taking >> care of the race with driver_deferred_probe_trigger(). > > What hardware is triggering this? Is this a new thing, or something > that has always happened? I just found it trying to use device links in new code. As far as I know it is not a problem that anyone else is experiencing yet.