From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bn1blp0185.outbound.protection.outlook.com ([207.46.163.185]:14875 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933195AbaGPGzZ (ORCPT ); Wed, 16 Jul 2014 02:55:25 -0400 Date: Wed, 16 Jul 2014 14:55:06 +0800 From: Shawn Guo To: Lucas Stach CC: Richard Zhu , "linux-pci@vger.kernel.org" , Sascha Hauer , "Bjorn Helgaas" , Shawn Guo , "Fabio Estevam" , "linux-arm-kernel@lists.infradead.org" Subject: Re: The imx6q suspend/resume is broken on 3.16-rc due to PCIe Message-ID: <20140716065505.GB2612@dragon> References: <20140625062243.GD3242@dragon> <1403693452.4249.1.camel@weser.hi.pengutronix.de> <20140625125306.GB6917@dragon> <1403772229.4254.4.camel@weser.hi.pengutronix.de> <20140628143712.GA7869@dragon> <1404135864.4305.23.camel@weser.hi.pengutronix.de> <20140701065105.GE14471@dragon> <1404724251.4587.20.camel@weser.hi.pengutronix.de> <20140707135502.GR30239@dragon> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <20140707135502.GR30239@dragon> Sender: linux-pci-owner@vger.kernel.org List-ID: On Mon, Jul 07, 2014 at 09:55:03PM +0800, Shawn Guo wrote: > On Mon, Jul 07, 2014 at 11:10:51AM +0200, Lucas Stach wrote: > > Hi Shawn, > > > > Over the weekend I tried to reproduce your problem on a SabreSD board, > > but wasn't able to trigger the issue. 3.16-rc3 with PCIe active works > > just fine over a suspend and resume cycle for me. > > That's strange. In my setup, PCIe support is enabled in kernel and DT, > but I do not have a PCIe device connected to the board. > > > > > One possibly relevant difference is that I've booted with NFSroot, while > > it seems you are using a SATA connected device. Is this right? > > I have a SATA disk connected, but did boot with NFSroot. > > > If so, > > can you test if it works if you boot from SDcard or the like? This might > > be relevant as PCIe and SATA share some clocks. > > I tried to disable SATA support completely, but it doesn't help. Lucas, any news on this? Or should we just try to use Richard's patch to solve the problem? Shawn From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@freescale.com (Shawn Guo) Date: Wed, 16 Jul 2014 14:55:06 +0800 Subject: The imx6q suspend/resume is broken on 3.16-rc due to PCIe In-Reply-To: <20140707135502.GR30239@dragon> References: <20140625062243.GD3242@dragon> <1403693452.4249.1.camel@weser.hi.pengutronix.de> <20140625125306.GB6917@dragon> <1403772229.4254.4.camel@weser.hi.pengutronix.de> <20140628143712.GA7869@dragon> <1404135864.4305.23.camel@weser.hi.pengutronix.de> <20140701065105.GE14471@dragon> <1404724251.4587.20.camel@weser.hi.pengutronix.de> <20140707135502.GR30239@dragon> Message-ID: <20140716065505.GB2612@dragon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jul 07, 2014 at 09:55:03PM +0800, Shawn Guo wrote: > On Mon, Jul 07, 2014 at 11:10:51AM +0200, Lucas Stach wrote: > > Hi Shawn, > > > > Over the weekend I tried to reproduce your problem on a SabreSD board, > > but wasn't able to trigger the issue. 3.16-rc3 with PCIe active works > > just fine over a suspend and resume cycle for me. > > That's strange. In my setup, PCIe support is enabled in kernel and DT, > but I do not have a PCIe device connected to the board. > > > > > One possibly relevant difference is that I've booted with NFSroot, while > > it seems you are using a SATA connected device. Is this right? > > I have a SATA disk connected, but did boot with NFSroot. > > > If so, > > can you test if it works if you boot from SDcard or the like? This might > > be relevant as PCIe and SATA share some clocks. > > I tried to disable SATA support completely, but it doesn't help. Lucas, any news on this? Or should we just try to use Richard's patch to solve the problem? Shawn