Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755506AbdDMTYa (ORCPT ); Thu, 13 Apr 2017 15:24:30 -0400 Received: from mail-io0-f181.google.com ([209.85.223.181]:33766 "EHLO mail-io0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755085AbdDMTY2 (ORCPT ); Thu, 13 Apr 2017 15:24:28 -0400 MIME-Version: 1.0 In-Reply-To: References: <20170413133242.5068-1-andrew.smirnov@gmail.com> <20170413133242.5068-5-andrew.smirnov@gmail.com> From: Tyler Baker Date: Thu, 13 Apr 2017 12:24:27 -0700 Message-ID: Subject: Re: [PATCH 4/8] ARM: dts: imx7s: Add node for GPC To: Fabio Estevam Cc: Andrey Smirnov , Mark Rutland , "devicetree@vger.kernel.org" , Russell King , "linux-kernel@vger.kernel.org" , Rob Herring , Sascha Hauer , Fabio Estevam , Shawn Guo , linux-arm-kernel , yurovsky@gmail.com Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1249 Lines: 33 On 13 April 2017 at 12:18, Fabio Estevam wrote: > On Thu, Apr 13, 2017 at 4:03 PM, Tyler Baker wrote: > >> I've been testing your GPC/PCIe patch sets against v4.11-rc5 on my >> imx7d-cl-som-imx7, but hit a bit of a wall. When gpc is set as the >> interrupt-parent for the soc, the kernel seems to hang and not produce >> any output on the serial port[0]. I tried to enable earlyprintk, but >> no luck getting a trace. Reversing this change, gets the board >> booting[1], but obviously isn't using the gpc which is needed for PCIe >> support as I understand it. I assume you've tested these changes on a >> imx7d-sdb and are not seeing a similar issue? You can find the patches >> I've picked on top of v4.11-rc5 here[2], any idea what might be the >> issue? > > Thanks for the report. No problem. > It seems this series depends on the drivers/soc/imx/gpcv2.c patches > that landed into linux-next. Are you referring to the following patches? "dt-bindings: Add GPCv2 power gating driver" "soc: imx: Add GPCv2 power gating driver" I've pulled these patches from Shawn's tree to test with, but still not able to get anything functional. Is there another series I should be looking at? Thanks, Tyler