From patchwork Wed Sep 19 18:54:43 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 185156 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 38FCA2C0085 for ; Thu, 20 Sep 2012 04:59:26 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933019Ab2ISS7Z (ORCPT ); Wed, 19 Sep 2012 14:59:25 -0400 Received: from rcsinet15.oracle.com ([148.87.113.117]:19771 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757034Ab2ISSzh (ORCPT ); Wed, 19 Sep 2012 14:55:37 -0400 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by rcsinet15.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id q8JItQUi024156 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 19 Sep 2012 18:55:26 GMT Received: from acsmt357.oracle.com (acsmt357.oracle.com [141.146.40.157]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id q8JItP8a021465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 19 Sep 2012 18:55:25 GMT Received: from abhmt109.oracle.com (abhmt109.oracle.com [141.146.116.61]) by acsmt357.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id q8JItM0P016516; Wed, 19 Sep 2012 13:55:22 -0500 Received: from linux-siqj.site (/10.132.126.191) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 19 Sep 2012 11:55:22 -0700 From: Yinghai Lu To: Bjorn Helgaas , Len Brown , Taku Izumi , Jiang Liu , x86 Cc: Andrew Morton , Linus Torvalds , Greg Kroah-Hartman , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Yinghai Lu Subject: [PATCH 29/40] PCI, ACPI: Add alloc_acpi_hp_work() Date: Wed, 19 Sep 2012 11:54:43 -0700 Message-Id: <1348080894-23412-30-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1348080894-23412-1-git-send-email-yinghai@kernel.org> References: <1348080894-23412-1-git-send-email-yinghai@kernel.org> X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Will use it with acpiphp and pci_root_hp events handling Signed-off-by: Yinghai Lu Cc: Len Brown Cc: linux-acpi@vger.kernel.org --- drivers/acpi/osl.c | 21 +++++++++++++++++++++ include/acpi/acpiosxf.h | 9 +++++++++ 2 files changed, 30 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 9eaf708..0719fa7 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1592,3 +1592,24 @@ void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, { __acpi_os_prepare_sleep = func; } + +void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, + void (*func)(struct work_struct *work)) +{ + struct acpi_hp_work *hp_work; + int ret; + + hp_work = kmalloc(sizeof(*hp_work), GFP_KERNEL); + if (!hp_work) + return; + + hp_work->handle = handle; + hp_work->type = type; + hp_work->context = context; + + INIT_WORK(&hp_work->work, func); + ret = queue_work(kacpi_hotplug_wq, &hp_work->work); + if (!ret) + kfree(hp_work); +} +EXPORT_SYMBOL(alloc_acpi_hp_work); diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index 0650f5f..6ff92ea 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -196,6 +196,15 @@ void acpi_os_fixed_event_count(u32 fixed_event_number); */ extern struct workqueue_struct *kacpi_hotplug_wq; +struct acpi_hp_work { + struct work_struct work; + acpi_handle handle; + u32 type; + void *context; +}; +void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, + void (*func)(struct work_struct *work)); + acpi_thread_id acpi_os_get_thread_id(void); acpi_status