From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753533AbbI3F7C (ORCPT ); Wed, 30 Sep 2015 01:59:02 -0400 Received: from mga03.intel.com ([134.134.136.65]:64177 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751018AbbI3F67 (ORCPT ); Wed, 30 Sep 2015 01:58:59 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,611,1437462000"; d="scan'208";a="571045709" Date: Wed, 30 Sep 2015 08:58:35 +0300 From: Jarkko Sakkinen To: Matthew Garrett Cc: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, peterhuewe@gmx.de, gregkh@linuxfoundation.org, jgunthorpe@obsidianresearch.com, akpm@linux-foundation.org, Marcel Selhorst Subject: Re: [PATCH 1/2] tpm, tpm_tis: use acpi_driver instead of pnp_driver Message-ID: <20150930055835.GB3874@intel.com> References: <1443546431-14948-1-git-send-email-jarkko.sakkinen@linux.intel.com> <1443546431-14948-2-git-send-email-jarkko.sakkinen@linux.intel.com> <20150929173025.GA22503@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150929173025.GA22503@srcf.ucam.org> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 29, 2015 at 06:30:25PM +0100, Matthew Garrett wrote: > On Tue, Sep 29, 2015 at 08:07:10PM +0300, Jarkko Sakkinen wrote: > > Migrate to struct acpi_driver in order to get out of 7 character > > limitation for the HID. > > Are we guaranteed that there are no old systems reporting these devices > via pnpbios rather than acpi? Right. I think it would make sense to be conservative and use acpi_driver only for MSFT0101 because at least I don't know answer to this question. It would be a risk to take these fixes to the stable kernels othwerwise. > -- > Matthew Garrett | mjg59@srcf.ucam.org /Jarkko