From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752048AbaEUIwO (ORCPT ); Wed, 21 May 2014 04:52:14 -0400 Received: from mga09.intel.com ([134.134.136.24]:36079 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751033AbaEUIwM (ORCPT ); Wed, 21 May 2014 04:52:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,878,1392192000"; d="scan'208";a="544112732" Date: Wed, 21 May 2014 11:52:07 +0300 From: Mika Westerberg To: Zhang Rui Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, bhelgaas@google.com, matthew.garrett@nebula.com, rafael.j.wysocki@intel.com, dmitry.torokhov@gmail.com Subject: Re: [PATCH V6 09/11] ACPI: introduce flag .is_master_device Message-ID: <20140521085207.GR1651@lahna.fi.intel.com> References: <1400136256-2218-1-git-send-email-rui.zhang@intel.com> <1400136256-2218-10-git-send-email-rui.zhang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1400136256-2218-10-git-send-email-rui.zhang@intel.com> 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 Thu, May 15, 2014 at 02:44:14PM +0800, Zhang Rui wrote: > For some ACPI device objects, they represent master devices, > and their children devices are enumerated by bus controller drivers > for the buses they are on. > > In this case, we do not want to enumerate their children devices to > platform bus explicitly in acpi scan code. > > Thus a new flag .is_master_device is introduced in this patch. > > For devices with this flag set, we will not do default enumeration > for their children. Is there any particular reason we would like to enumerate everything below the first device by default?