From patchwork Fri Jul 20 07:11:10 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Congyang X-Patchwork-Id: 1219851 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id CAD6AE0038 for ; Fri, 20 Jul 2012 07:07:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752233Ab2GTHG1 (ORCPT ); Fri, 20 Jul 2012 03:06:27 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:37367 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751930Ab2GTHG0 (ORCPT ); Fri, 20 Jul 2012 03:06:26 -0400 X-IronPort-AV: E=Sophos;i="4.77,621,1336320000"; d="scan'208";a="5444858" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 20 Jul 2012 15:05:31 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id q6K76Ip8031026; Fri, 20 Jul 2012 15:06:19 +0800 Received: from [10.167.225.226] ([10.167.225.226]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2012072015065983-790463 ; Fri, 20 Jul 2012 15:06:59 +0800 Message-ID: <5009048E.3030606@cn.fujitsu.com> Date: Fri, 20 Jul 2012 15:11:10 +0800 From: Wen Congyang User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100413 Fedora/3.0.4-2.fc13 Thunderbird/3.0.4 MIME-Version: 1.0 To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org CC: rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com, Yasuaki ISIMATU Subject: [RFC PATCH 4/8] memory-hotplug: export the function acpi_bus_remove() References: <5009038A.4090001@cn.fujitsu.com> In-Reply-To: <5009038A.4090001@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/07/20 15:06:59, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/07/20 15:07:06, Serialize complete at 2012/07/20 15:07:06 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org The function acpi_bus_remove() can remove a acpi device from acpi device. When a acpi device is removed, we need to call this function to remove the acpi device from acpi bus. So export this function. CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Yasuaki Ishimatsu Signed-off-by: Wen Congyang --- drivers/acpi/scan.c | 3 ++- include/acpi/acpi_bus.h | 1 + 2 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index c8a1f3b..d5e8d74 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1206,7 +1206,7 @@ static int acpi_device_set_context(struct acpi_device *device) return -ENODEV; } -static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) +int acpi_bus_remove(struct acpi_device *dev, int rmdevice) { if (!dev) return -EINVAL; @@ -1228,6 +1228,7 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) return 0; } +EXPORT_SYMBOL(acpi_bus_remove); static int acpi_add_single_object(struct acpi_device **child, acpi_handle handle, int type, diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 9e6e1c6..3eb0ba7 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -356,6 +356,7 @@ bool acpi_bus_power_manageable(acpi_handle handle); bool acpi_bus_can_wakeup(acpi_handle handle); int acpi_power_resource_register_device(struct device *dev, acpi_handle handle); void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handle); +int acpi_bus_remove(struct acpi_device *dev, int rmdevice); #ifdef CONFIG_ACPI_PROC_EVENT int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);