From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1754007AbbCXTxa (ORCPT <rfc822;w@1wt.eu>);
	Tue, 24 Mar 2015 15:53:30 -0400
Received: from ausc60ps301.us.dell.com ([143.166.148.206]:17808 "EHLO
	ausc60ps301.us.dell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752547AbbCXTx1 (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Tue, 24 Mar 2015 15:53:27 -0400
DomainKey-Signature: s=smtpout; d=dell.com; c=nofws; q=dns;
  h=X-LoopCount0:X-IronPort-AV:Message-ID:Date:From:
   Organization:User-Agent:MIME-Version:To:CC:Subject:
   References:In-Reply-To:Content-Type:
   Content-Transfer-Encoding;
  b=s8oBPupLSL70wg6et+bydpcg19bp0SR2JFV8dEUsdpIyL8JdL/qMdoxb
   oCY2Lm2+0p9uoT57863YxUZhYubYkfb/Cg0e1/I9PE/t7HF3SZCA5wuCU
   HnjgawBlkv3tPcejXruyuXLUpFKazXQovJ9QpcsXK7fKYPIofHvk6i3An
   k=;
X-LoopCount0: from 10.208.46.70
X-IronPort-AV: E=Sophos;i="5.11,460,1422943200"; 
   d="scan'208";a="660467483"
Message-ID: <5511C0B4.1000304@dell.com>
Date: Tue, 24 Mar 2015 14:53:24 -0500
From: Mario Limonciello <mario_limonciello@dell.com>
Organization: Dell Inc.
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0
MIME-Version: 1.0
To: Matthew Garrett <mjg59@srcf.ucam.org>
CC: Matt Fleming <matt@codeblueprint.co.uk>,
        Jason Ekstrand <jason@jlekstrand.net>,
        LKML <linux-kernel@vger.kernel.org>, Bard Liao <bardliao@realtek.com>,
        Liam Girdwood <liam.r.girdwood@linux.intel.com>,
        "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
        "lenb@kernel.org" <lenb@kernel.org>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH] ACPI: Adjust the return value of _REV on x86
References: <1426150247-18309-1-git-send-email-matthew.garrett@nebula.com> <1426363131-14530-1-git-send-email-jason.ekstrand@intel.com> <CAOFGe95CiLcHtzD3Vv-KJoCXfeHCyGa55OBkzHSZMWwdOyLnfg@mail.gmail.com> <20150323120331.GA3007@codeblueprint.co.uk> <5510FB37.6030808@dell.com> <20150324152412.GA4706@codeblueprint.co.uk> <55119D4A.5050809@dell.com> <20150324180156.GA14658@srcf.ucam.org>
In-Reply-To: <20150324180156.GA14658@srcf.ucam.org>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org


On 03/24/2015 01:01 PM, Matthew Garrett wrote:
> On Tue, Mar 24, 2015 at 12:22:18PM -0500, Mario Limonciello wrote:
>
> Since we don't expose any way for the platform to detect that it's
> running Linux, yes.
>
> Will it? You haven't shipped the firmware that changes this behaviour
> yet.
>
This was posted a few days ago.  BIOS A02, it resolves the broken behavior introduced in A01 and Linux.

It can be flashed in the BIOS F12 boot menu, no Windows or DOS necessary.

http://www.dell.com/support/home/us/en/04/Drivers/DriversDetails?driverId=F2PRR&fileId=3442501672&osCode=WB64A&productCode=xps-13-9343-laptop&languageCode=EN&categoryId=BI

Anything bought from now forward will have that BIOS version (or something newer).