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 S1754945AbeDTNHe (ORCPT <rfc822;w@1wt.eu>);
        Fri, 20 Apr 2018 09:07:34 -0400
Received: from mga12.intel.com ([192.55.52.136]:27831 "EHLO mga12.intel.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1754883AbeDTNHc (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Fri, 20 Apr 2018 09:07:32 -0400
X-Amp-Result: UNKNOWN
X-Amp-Original-Verdict: FILE UNKNOWN
X-Amp-File-Uploaded: False
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.49,301,1520924400";
   d="scan'208";a="39047150"
Date: Fri, 20 Apr 2018 16:07:27 +0300
From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: John Garry <john.garry@huawei.com>
Cc: rjw@rjwysocki.net, andriy.shevchenko@linux.intel.com,
        linux-acpi@vger.kernel.org, lenb@kernel.org, lorenzo.pieralisi@arm.com,
        linux-kernel@vger.kernel.org, arnd@arndb.de, graeme.gregory@linaro.org,
        helgaas@kernel.org, linuxarm@huawei.com, z.liuxinliang@hisilicon.com
Subject: Re: [RFC PATCH 1/2] ACPI / PNP: Don't add "enumeration_by_parent"
 devices
Message-ID: <20180420130727.GV2173@lahna.fi.intel.com>
References: <1524218846-169934-1-git-send-email-john.garry@huawei.com>
 <1524218846-169934-2-git-send-email-john.garry@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1524218846-169934-2-git-send-email-john.garry@huawei.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
User-Agent: Mutt/1.9.2 (2017-12-15)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Fri, Apr 20, 2018 at 06:07:25PM +0800, John Garry wrote:
> +	} else {
> +		device->driver_data = dev;

I think this deserves a comment explaining why we (ab)use driver_data
like this.