From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946760Ab3BHRH6 (ORCPT ); Fri, 8 Feb 2013 12:07:58 -0500 Received: from g1t0027.austin.hp.com ([15.216.28.34]:3983 "EHLO g1t0027.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946667Ab3BHRH5 (ORCPT ); Fri, 8 Feb 2013 12:07:57 -0500 Message-ID: <1360342638.3869.59.camel@misato.fc.hp.com> Subject: Re: [PATCH 0/2] ACPI / scan: Remove useless #ifndef and simplify container driver From: Toshi Kani To: "Rafael J. Wysocki" Cc: ACPI Devel Maling List , Greg Kroah-Hartman , Bjorn Helgaas , Mika Westerberg , Matthew Garrett , Yinghai Lu , Jiang Liu , LKML , Yasuaki Ishimatsu Date: Fri, 08 Feb 2013 09:57:18 -0700 In-Reply-To: <1468930.acVuhKfKYv@vostro.rjw.lan> References: <1873429.MS5RQDxTye@vostro.rjw.lan> <3164478.OcagzIMET0@vostro.rjw.lan> <5090866.2BHgpRnuEZ@vostro.rjw.lan> <1468930.acVuhKfKYv@vostro.rjw.lan> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4 (3.4.4-2.fc17) 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 Fri, 2013-02-08 at 01:24 +0100, Rafael J. Wysocki wrote: > On Monday, February 04, 2013 12:47:31 AM Rafael J. Wysocki wrote: > > From: Rafael J. Wysocki > > > > The only useful thing that the ACPI container driver does is to > > install system notify handlers for all container and module device > > objects it finds in the namespace. The driver structure, > > acpi_container_driver, and the data structures created by its > > .add() callback are in fact not used by the driver, so remove > > them entirely. > > > > It also makes a little sense to build that driver as a module, > > so make it non-modular and add its initialization to the > > namespace scanning code. > > > > In addition to that, make the namespace walk callback used for > > installing the notify handlers more straightforward. > > As pointed out by Toshi Kani, the above changes would make acpi_eject_store() > fail for containers and it is the only way to eject them currently, so patch > [2/2] is an improved version of this (with Toshi's changes folded in). > > Patch [1/2] is just a cleanup removing a useless #ifndef from acpi_eject_store(). Thanks for the update! They look good. For the series: Reviewed-by: Toshi Kani Tested-by: Toshi Kani BTW, did you intentionally keep the struct acpi_container definition in ? I deleted that one in my patch. -Toshi