From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Westerberg Subject: Re: Diagnosing ACPI trouble related to pinctr_cherryview on 4.4.x Date: Wed, 23 Mar 2016 13:13:02 +0200 Message-ID: <20160323111302.GJ2099@lahna.fi.intel.com> References: <20160322152218.GA2099@lahna.fi.intel.com> <20160322154950.GB2099@lahna.fi.intel.com> <20160322162222.GF2099@lahna.fi.intel.com> <1458668165.5907.28.camel@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mga09.intel.com ([134.134.136.24]:15867 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752573AbcCWLNI (ORCPT ); Wed, 23 Mar 2016 07:13:08 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: Martin Langhoff Cc: Andy Shevchenko , Heikki Krogerus , Linus Walleij , linux-gpio@vger.kernel.org On Tue, Mar 22, 2016 at 04:32:30PM -0400, Martin Langhoff wrote: > ok so I've tried blacklisting all the modules suggested here, but they > do not make a difference. What does make a difference is to have > pinctrl_cherryview (as a module and ) blacklisted, _and_ noapic. Does it work if you have only pictrl-cherryview blacklisted? E.g no noapic? You can also disable the HS-UART as it tries to divide by zero: CONFIG_SERIAL_8250_DW=n