From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751621AbcG3IJl (ORCPT ); Sat, 30 Jul 2016 04:09:41 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:52894 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750831AbcG3IJZ (ORCPT ); Sat, 30 Jul 2016 04:09:25 -0400 Date: Sat, 30 Jul 2016 10:07:06 +0200 (CEST) From: Thomas Gleixner To: John Stultz cc: Jon Hunter , Marc Zyngier , lkml , Bjorn Andersson Subject: Re: [Regression] "irqdomain: Don't set type when mapping an IRQ" breaks nexus7 gpio buttons In-Reply-To: Message-ID: References: User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 29 Jul 2016, John Stultz wrote: > Hey Jon, > So after rebasing my nexus7 patch stack onto pre-4.8-rc1 tree, I > noticed the power/volume buttons stopped working. > > I did a manual rebased bisection and chased it down to your commit > 1e2a7d78499e ("irqdomain: Don't set type when mapping an IRQ"). > > Reverting that patch makes things work again, so I wanted to see if > there was any debugging info I could provide to try to help narrow > down the problem here. (Sorry, I'd tinker myself with it some and try > to debug the issue, but after burning my friday night on this, I'm > eager to get away from the keyboard for the weekend). dmesg should contain debug output which yells about non matching types. Can you provide that? Thanks, tglx