From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zidan Wang Subject: Re: [PATCH v3 1/4] ASoC: fsl_sai: Add driver suspend and resume to support MEGA Fast Date: Tue, 11 Aug 2015 17:28:36 +0800 Message-ID: <20150811092835.GB28723@shlinux2> References: <6fa4e6ebf1f34f5d637324c9f62e68b03037568c.1438928296.git.zidan.wang@freescale.com> <20150811091220.GA3008@Asurada-CZ80> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from na01-by2-obe.outbound.protection.outlook.com (mail-by2on0142.outbound.protection.outlook.com [207.46.100.142]) by alsa0.perex.cz (Postfix) with ESMTP id 5BF6A2604C6 for ; Tue, 11 Aug 2015 12:39:21 +0200 (CEST) Content-Disposition: inline In-Reply-To: <20150811091220.GA3008@Asurada-CZ80> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Nicolin Chen Cc: alsa-devel@alsa-project.org, timur@tabi.org, Xiubo.Lee@gmail.com, tiwai@suse.com, lgirdwood@gmail.com, broonie@kernel.org List-Id: alsa-devel@alsa-project.org On Tue, Aug 11, 2015 at 02:12:21AM -0700, Nicolin Chen wrote: > On Fri, Aug 07, 2015 at 02:21:05PM +0800, Zidan Wang wrote: > > For i.MX6 SoloX, there is a mode of the SoC to shutdown all power source of > > modules during system suspend and resume procedure. Thus, SAI needs to save > > all the values of registers before the system suspend and restore them after > > the system resume. > > > > Signed-off-by: Zidan Wang > > Have you tested this series based on the for-next branch? > > I'm having trouble with suspend/resume test on my imx6sx-sdb. > Both broonie/for-next and linux-next/master hanged after suspend > even without this PATCH -- There should be some other patches > that broke the suspend/resume. Do you know which one? > I just rebase to the newest linux-next/master, and don't meet system hang after suspend on imx6sx-sdb board.