From patchwork Mon Mar 17 07:49:39 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Rui" X-Patchwork-Id: 3841971 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1842FBF549 for ; Mon, 17 Mar 2014 07:51:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 37855201BC for ; Mon, 17 Mar 2014 07:51:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6490201EF for ; Mon, 17 Mar 2014 07:51:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932475AbaCQHu3 (ORCPT ); Mon, 17 Mar 2014 03:50:29 -0400 Received: from mga09.intel.com ([134.134.136.24]:1935 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932474AbaCQHu2 (ORCPT ); Mon, 17 Mar 2014 03:50:28 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 17 Mar 2014 00:45:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,668,1389772800"; d="scan'208";a="473949967" Received: from unknown (HELO rzhang1-mobl4.ccr.corp.intel.com) ([10.255.21.223]) by orsmga001.jf.intel.com with ESMTP; 17 Mar 2014 00:50:14 -0700 From: Zhang Rui To: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bhelgaas@google.com, matthew.garrett@nebula.com, rafael.j.wysocki@intel.com, dmitry.torokhov@gmail.com, Zhang Rui Subject: [PATCH V4 10/11] ACPI: introduce dummy container scan handler Date: Mon, 17 Mar 2014 15:49:39 +0800 Message-Id: <1395042580-3344-11-git-send-email-rui.zhang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1395042580-3344-1-git-send-email-rui.zhang@intel.com> References: <1395042580-3344-1-git-send-email-rui.zhang@intel.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When CONFIG_ACPI_CONTAINER is cleared, platform devices would be created for ACPI container objects. Introduce a dummy container scan handler in this patch to prevent these platform devices from being created. Signed-off-by: Zhang Rui --- drivers/acpi/Makefile | 2 +- drivers/acpi/container.c | 21 +++++++++++++++++++++ drivers/acpi/internal.h | 4 ---- 3 files changed, 22 insertions(+), 5 deletions(-) diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 2173e30..871d70d 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -63,7 +63,7 @@ obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_VIDEO) += video.o obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o -obj-$(CONFIG_ACPI_CONTAINER) += container.o +obj-y += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o obj-$(CONFIG_ACPI_BATTERY) += battery.o diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 368f9dd..c2ec401 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -43,6 +43,8 @@ static const struct acpi_device_id container_device_ids[] = { {"", 0}, }; +#ifdef CONFIG_ACPI_CONTAINER + static int acpi_container_offline(struct container_dev *cdev) { struct acpi_device *adev = ACPI_COMPANION(&cdev->dev); @@ -110,3 +112,22 @@ void __init acpi_container_init(void) { acpi_scan_add_handler_with_hotplug(&container_handler, "container"); } + +#else + +static inline int container_device_attach(struct acpi_device *adev, + const struct acpi_device_id *not_used) +{ + return 1; +} + +static struct acpi_scan_handler container_handler = { + .ids = container_device_ids, + .attach = container_device_attach, +}; + +void __init acpi_container_init(void) +{ + acpi_scan_add_handler(&container_handler); +} +#endif /* CONFIG_ACPI_CONTAINER */ diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index a0c9368..253758a 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -32,11 +32,7 @@ void acpi_processor_init(void); void acpi_platform_init(void); void acpi_pnp_init(void); int acpi_sysfs_init(void); -#ifdef CONFIG_ACPI_CONTAINER void acpi_container_init(void); -#else -static inline void acpi_container_init(void) {} -#endif #ifdef CONFIG_ACPI_DOCK void acpi_dock_init(void); #else