From patchwork Thu Jul 23 23:03:00 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Chiang X-Patchwork-Id: 37040 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n6NN5Hwc023593 for ; Thu, 23 Jul 2009 23:05:18 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754693AbZGWXEn (ORCPT ); Thu, 23 Jul 2009 19:04:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754690AbZGWXEm (ORCPT ); Thu, 23 Jul 2009 19:04:42 -0400 Received: from g5t0006.atlanta.hp.com ([15.192.0.43]:16086 "EHLO g5t0006.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753950AbZGWXEY (ORCPT ); Thu, 23 Jul 2009 19:04:24 -0400 Received: from g5t0029.atlanta.hp.com (g5t0029.atlanta.hp.com [16.228.8.141]) by g5t0006.atlanta.hp.com (Postfix) with ESMTP id D7350C56E; Thu, 23 Jul 2009 23:04:24 +0000 (UTC) Received: from ldl.fc.hp.com (ldl.fc.hp.com [15.11.146.30]) by g5t0029.atlanta.hp.com (Postfix) with ESMTP id D3EB911D04; Thu, 23 Jul 2009 23:03:02 +0000 (UTC) Received: from localhost (ldl.fc.hp.com [127.0.0.1]) by ldl.fc.hp.com (Postfix) with ESMTP id 38B0C39C007; Thu, 23 Jul 2009 17:03:02 -0600 (MDT) X-Virus-Scanned: Debian amavisd-new at ldl.fc.hp.com Received: from ldl.fc.hp.com ([127.0.0.1]) by localhost (ldl.fc.hp.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PVttyBbHjhel; Thu, 23 Jul 2009 17:03:00 -0600 (MDT) Received: from eh.fc.hp.com (eh.fc.hp.com [15.11.146.105]) by ldl.fc.hp.com (Postfix) with ESMTP id B771139C001; Thu, 23 Jul 2009 17:03:00 -0600 (MDT) Received: from bob.kio (localhost [127.0.0.1]) by eh.fc.hp.com (Postfix) with ESMTP id AF5B826168; Thu, 23 Jul 2009 17:03:00 -0600 (MDT) Subject: [PATCH v3 1/2] ACPI: export acpi_pci_root and friends To: jbarnes@virtuousgeek.org, lenb@kernel.org From: Alex Chiang Cc: linux-pci@vger.kernel.org, Bjorn Helgaas , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Date: Thu, 23 Jul 2009 17:03:00 -0600 Message-ID: <20090723230300.4247.75347.stgit@bob.kio> In-Reply-To: <20090723230026.4247.12759.stgit@bob.kio> References: <20090723230026.4247.12759.stgit@bob.kio> User-Agent: StGit/0.14.3.386.gb02d MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org We can simplify ACPI drivers if we can tell whether a handle is an ACPI PCI root or not. Cc: Bjorn Helgaas Signed-off-by: Alex Chiang Reviewed-by: Bjorn Helgaas --- drivers/acpi/pci_root.c | 17 ++--------------- include/acpi/acpi_bus.h | 16 ++++++++++++++++ 2 files changed, 18 insertions(+), 15 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 55b5b90..31b961c 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -61,20 +61,6 @@ static struct acpi_driver acpi_pci_root_driver = { }, }; -struct acpi_pci_root { - struct list_head node; - struct acpi_device *device; - struct pci_bus *bus; - u16 segment; - u8 bus_nr; - - u32 osc_support_set; /* _OSC state of support bits */ - u32 osc_control_set; /* _OSC state of control bits */ - u32 osc_control_qry; /* the latest _OSC query result */ - - u32 osc_queried:1; /* has _OSC control been queried? */ -}; - static LIST_HEAD(acpi_pci_roots); static struct acpi_pci_driver *sub_driver; @@ -317,7 +303,7 @@ static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags) return status; } -static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle) +struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle) { struct acpi_pci_root *root; @@ -327,6 +313,7 @@ static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle) } return NULL; } +EXPORT_SYMBOL_GPL(acpi_pci_find_root); struct acpi_handle_node { struct list_head node; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c65e4ce..c3ace75 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -369,10 +369,26 @@ int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); struct device *acpi_get_physical_device(acpi_handle); +struct acpi_pci_root { + struct list_head node; + struct acpi_device * device; + struct acpi_pci_id id; + struct pci_bus *bus; + u16 segment; + u8 bus_nr; + + u32 osc_support_set; /* _OSC state of support bits */ + u32 osc_control_set; /* _OSC state of control bits */ + u32 osc_control_qry; /* the latest _OSC query result */ + + u32 osc_queried:1; /* has _OSC control been queried? */ +}; + /* helper */ acpi_handle acpi_get_child(acpi_handle, acpi_integer); int acpi_is_root_bridge(acpi_handle); acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); +struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) #ifdef CONFIG_PM_SLEEP