Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752815AbaAPK7S (ORCPT ); Thu, 16 Jan 2014 05:59:18 -0500 Received: from mga02.intel.com ([134.134.136.20]:58760 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752759AbaAPK6e (ORCPT ); Thu, 16 Jan 2014 05:58:34 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,667,1384329600"; d="scan'208";a="459773206" Message-ID: <1389869908.1871.347.camel@smile> Subject: Re: Baytrail problems (was Re: Linux 3.13-rc8) From: Andy Shevchenko To: Linus Walleij , "Nyman, Mathias" , "Westerberg, Mika" Cc: Linus Torvalds , "Rafael J. Wysocki" , One Thousand Gnomes , Paul Drews , Daniel Vetter , Dave Airlie , Linux Kernel Mailing List Date: Thu, 16 Jan 2014 12:58:28 +0200 In-Reply-To: References: Organization: Intel Finland Oy Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.8.5-2+b1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2014-01-16 at 10:29 +0100, Linus Walleij wrote: > On Thu, Jan 16, 2014 at 2:49 AM, Linus Torvalds > wrote: > > Adding in the appropriate people... > > > > On Tue, Jan 14, 2014 at 7:01 PM, One Thousand Gnomes > > wrote: > >> > >> It seems to hate Baytrail/T > >> > >> My ASUS T100TA has gone from 3.11 'needs video=VGA-1:blah' to get the mode > >> right but otherwise running nicely and playing 3D games to 3.13-rc8 > >> > >> - crashes and burns during boot if the Baytrail pinctrl driver is compiled > >> in > > > > Andy, Paul? The changes to the pinctrl driver since 3.11 look trivial, > > but I guess the GPIO and ACPI ID addition ends up also enabling all > > the old code that Alan probably never ran in 3.11 because the driver > > didn't trigger on his machine. > > So that is commit f6308b36c411dc5 > "ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs"? > > This seems to have been selected for -stable as well so the > problem will be spreading as distros start pushing stable kernel > updates :-( > > That came in through the ACPI tree, Rafael do you want to > revert it if there is no better quickfix? It seems Mathias and Mika (Cc:ed) already heard about the issue and have been working on the solution. > > This adds an interesting twist to the general statement that > new PCI/ACPI IDs should go into stable BTW, maybe they > should not always do that. -- Andy Shevchenko Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/