From patchwork Wed Aug 17 08:00:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Rui Y" X-Patchwork-Id: 9285365 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5EE1960459 for ; Wed, 17 Aug 2016 08:19:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 532F7286BB for ; Wed, 17 Aug 2016 08:19:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4597D28833; Wed, 17 Aug 2016 08:19:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC166286BB for ; Wed, 17 Aug 2016 08:19:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754058AbcHQISS (ORCPT ); Wed, 17 Aug 2016 04:18:18 -0400 Received: from mga01.intel.com ([192.55.52.88]:5230 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753609AbcHQIRT (ORCPT ); Wed, 17 Aug 2016 04:17:19 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP; 17 Aug 2016 01:17:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,529,1464678000"; d="scan'208";a="1015800733" Received: from wr-optiplex-9010.xa.intel.com ([10.238.71.86]) by orsmga001.jf.intel.com with ESMTP; 17 Aug 2016 01:17:07 -0700 From: Rui Wang To: helgaas@kernel.org, tglx@linutronix.de, rjw@rjwysocki.net Cc: tony.luck@intel.com, bhelgaas@google.com, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, rui.y.wang@intel.com, x86@kernel.org Subject: [PATCH v4 1/5] x86/ioapic: Change prototype of acpi_ioapic_add() Date: Wed, 17 Aug 2016 16:00:33 +0800 Message-Id: <1471420837-31003-2-git-send-email-rui.y.wang@intel.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1471420837-31003-1-git-send-email-rui.y.wang@intel.com> References: <1471420837-31003-1-git-send-email-rui.y.wang@intel.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Change the argument of acpi_ioapic_add() to a generic ACPI handle, and move its prototype from drivers/acpi/internal.h to include/linux/acpi.h so that it can be called from outside the pci_root driver. Signed-off-by: Rui Wang --- drivers/acpi/internal.h | 2 -- drivers/acpi/ioapic.c | 6 +++--- drivers/acpi/pci_root.c | 2 +- include/linux/acpi.h | 6 ++++++ 4 files changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 940218f..f26fc1d 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -40,10 +40,8 @@ int acpi_sysfs_init(void); void acpi_container_init(void); void acpi_memory_hotplug_init(void); #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC -int acpi_ioapic_add(struct acpi_pci_root *root); int acpi_ioapic_remove(struct acpi_pci_root *root); #else -static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; } static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } #endif #ifdef CONFIG_ACPI_DOCK diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c index ccdc8db..2449377 100644 --- a/drivers/acpi/ioapic.c +++ b/drivers/acpi/ioapic.c @@ -189,13 +189,13 @@ exit: return AE_OK; } -int acpi_ioapic_add(struct acpi_pci_root *root) +int acpi_ioapic_add(acpi_handle root_handle) { acpi_status status, retval = AE_OK; - status = acpi_walk_namespace(ACPI_TYPE_DEVICE, root->device->handle, + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, root_handle, UINT_MAX, handle_ioapic_add, NULL, - root->device->handle, (void **)&retval); + root_handle, (void **)&retval); return ACPI_SUCCESS(status) && ACPI_SUCCESS(retval) ? 0 : -ENODEV; } diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index d144168..b07eda1 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -614,7 +614,7 @@ static int acpi_pci_root_add(struct acpi_device *device, if (hotadd) { pcibios_resource_survey_bus(root->bus); pci_assign_unassigned_root_bus_resources(root->bus); - acpi_ioapic_add(root); + acpi_ioapic_add(root->device->handle); } pci_lock_rescan_remove(); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 4d8452c..c9a596b 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -751,6 +751,12 @@ static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) #endif /* !CONFIG_ACPI */ +#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC +int acpi_ioapic_add(acpi_handle root); +#else +static inline int acpi_ioapic_add(acpi_handle root) { return 0; } +#endif + #ifdef CONFIG_ACPI void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, u32 pm1a_ctrl, u32 pm1b_ctrl));