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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 7118EC282D8 for ; Fri, 1 Feb 2019 09:46:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4654620870 for ; Fri, 1 Feb 2019 09:46:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728189AbfBAJqL (ORCPT ); Fri, 1 Feb 2019 04:46:11 -0500 Received: from cloudserver094114.home.pl ([79.96.170.134]:56998 "EHLO cloudserver094114.home.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726187AbfBAJqL (ORCPT ); Fri, 1 Feb 2019 04:46:11 -0500 Received: from 79.184.255.169.ipv4.supernova.orange.pl (79.184.255.169) (HELO aspire.rjw.lan) by serwer1319399.home.pl (79.96.170.134) with SMTP (IdeaSmtpServer 0.83.183) id 5102a5d7e8d85aec; Fri, 1 Feb 2019 10:46:09 +0100 From: "Rafael J. Wysocki" To: Greg Kroah-Hartman Cc: LKML , Linux PM , Ulf Hansson , Daniel Vetter , Lukas Wunner , Andrzej Hajda , Russell King - ARM Linux , Lucas Stach , Linus Walleij , Thierry Reding , Laurent Pinchart , Marek Szyprowski , Joerg Roedel Subject: Re: [PATCH v2 0/9] driver core: Fix some device links issues and add "consumer autoprobe" flag Date: Fri, 01 Feb 2019 10:45:01 +0100 Message-ID: <2319086.FUgXjVqvWV@aspire.rjw.lan> In-Reply-To: <20190201090536.GA17484@kroah.com> References: <1952449.TVsm6CJCTy@aspire.rjw.lan> <20190201090536.GA17484@kroah.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, February 1, 2019 10:05:36 AM CET Greg Kroah-Hartman wrote: > On Fri, Feb 01, 2019 at 01:44:59AM +0100, Rafael J. Wysocki wrote: > > Hi Greg at al, > > > > This is a combination of the two device links series I have posted > > recently (https://lore.kernel.org/lkml/2493187.oiOpCWJBV7@aspire.rjw.lan/ > > and https://lore.kernel.org/lkml/2405639.4es7pRLqn0@aspire.rjw.lan/) rebased > > on top of your driver-core-next branch. > > > > Recently I have been looking at the device links code because of the > > recent discussion on possibly using them in the DRM subsystem (see for > > example https://marc.info/?l=linux-pm&m=154832771905309&w=2) and I have > > found a few issues in that code which should be addressed by this patch > > series. Please refer to the patch changelogs for details. > > > > None of the problems addressed here should be manifesting themselves in > > mainline kernel today, but if there are more device links users in the > > future, they most likely will be encountered sooner or later. Also they > > need to be fixed for the DRM use case to be supported IMO. > > > > On top of this the series makes device links support the "composite device" > > use case in the DRM subsystem mentioned above (essentially, the last patch > > in the series is for that purpose). > > All now queued up, thanks! Thank you!