From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1033315AbcJ0Pi0 (ORCPT ); Thu, 27 Oct 2016 11:38:26 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:49230 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937392AbcJ0PiY (ORCPT ); Thu, 27 Oct 2016 11:38:24 -0400 Subject: Re: [alsa-devel] [RFC PATCH 2/2] ASoC: samsung: Print a one-time message if the snow driver's probe defers To: Sylwester Nawrocki References: <1476897666-13974-1-git-send-email-javier@osg.samsung.com> <1476897666-13974-3-git-send-email-javier@osg.samsung.com> <29147d0b-ecf7-726a-b12b-f93d548f0c99@samsung.com> <06ba6563-2792-cb08-694e-4582618ae7fb@osg.samsung.com> <7a730a84-ce97-2148-87d9-64211a1aaa6b@samsung.com> Cc: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Sangbeom Kim , Takashi Iwai , Liam Girdwood , Krzysztof Kozlowski , Mark Brown , Marek Szyprowski From: Javier Martinez Canillas Message-ID: <4a9f1e7c-0ca7-b9fd-9da6-4fe7edca135a@osg.samsung.com> Date: Thu, 27 Oct 2016 12:38:16 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <7a730a84-ce97-2148-87d9-64211a1aaa6b@samsung.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org +Marek, Hello, On 10/20/2016 08:27 AM, Sylwester Nawrocki wrote: > On 10/20/2016 12:41 PM, Javier Martinez Canillas wrote: >> I see no relevant changes in exynos_defconfig between v4.7..v4.8 and >> also no changes in drivers/Makefile that could cause things to be >> initialized on a different order. > > I remember this > > commit 6eb1c9496b81680f2cd2e0eda06c531317e2e28d > clk: probe common clock drivers earlier > > going in recently, but it's rather dubious it could cause such trouble. > > Anyway, I'd try to add some debug prints to samsung_i2s_probe() to see > what's the issue with the CPU DAI registration. > fyi, Marek already fixed this issue on patch "ASoC: samsung: get access to DMA engine early to defer probe properly": https://patchwork.kernel.org/patch/9399613/ Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America