From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754598AbaCMQSg (ORCPT ); Thu, 13 Mar 2014 12:18:36 -0400 Received: from mga02.intel.com ([134.134.136.20]:65376 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754566AbaCMQSd (ORCPT ); Thu, 13 Mar 2014 12:18:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,648,1389772800"; d="scan'208";a="471738926" 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: [RFC PATCH V2 12/13] ACPI: introduce dummy container scan handler Date: Fri, 14 Mar 2014 00:16:52 +0800 Message-Id: <1394727413-3587-13-git-send-email-rui.zhang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1394727413-3587-1-git-send-email-rui.zhang@intel.com> References: <1394727413-3587-1-git-send-email-rui.zhang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- 1.7.9.5