From patchwork Mon Sep 21 19:29:05 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 49093 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 n8LJSloU009091 for ; Mon, 21 Sep 2009 19:29:08 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753343AbZIUT3D (ORCPT ); Mon, 21 Sep 2009 15:29:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753348AbZIUT3D (ORCPT ); Mon, 21 Sep 2009 15:29:03 -0400 Received: from g4t0016.houston.hp.com ([15.201.24.19]:16467 "EHLO g4t0016.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753343AbZIUT3C (ORCPT ); Mon, 21 Sep 2009 15:29:02 -0400 Received: from g5t0029.atlanta.hp.com (g5t0029.atlanta.hp.com [16.228.8.141]) by g4t0016.houston.hp.com (Postfix) with ESMTP id B91A714038; Mon, 21 Sep 2009 19:29:05 +0000 (UTC) Received: from ldl (linux.corp.hp.com [15.11.146.101]) by g5t0029.atlanta.hp.com (Postfix) with ESMTP id 712EF10015; Mon, 21 Sep 2009 19:29:05 +0000 (UTC) Received: from localhost (ldl.fc.hp.com [127.0.0.1]) by ldl (Postfix) with ESMTP id 57DEDCF000E; Mon, 21 Sep 2009 13:29:05 -0600 (MDT) Received: from ldl ([127.0.0.1]) by localhost (ldl.fc.hp.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SLYqQtR61W5I; Mon, 21 Sep 2009 13:29:05 -0600 (MDT) Received: from eh.fc.hp.com (eh.fc.hp.com [15.11.146.105]) by ldl (Postfix) with ESMTP id 3A7C2CF000D; Mon, 21 Sep 2009 13:29:05 -0600 (MDT) Received: from bob.kio (localhost [127.0.0.1]) by eh.fc.hp.com (Postfix) with ESMTP id 0BE882615C; Mon, 21 Sep 2009 13:29:05 -0600 (MDT) Subject: [PATCH v3 04/17] ACPI: remove redundant "handle" and "parent" arguments To: Len Brown From: Bjorn Helgaas Cc: linux-acpi@vger.kernel.org Date: Mon, 21 Sep 2009 13:29:05 -0600 Message-ID: <20090921192904.21322.43654.stgit@bob.kio> In-Reply-To: <20090921192656.21322.23072.stgit@bob.kio> References: <20090921192656.21322.23072.stgit@bob.kio> User-Agent: StGit/0.14.3.386.gb02d MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org In several cases, functions take handle and parent device pointers in addition to acpi_device pointers. But the acpi_device structure contains both the handle and the parent pointer, so it's pointless and error-prone to pass them all. This patch removes the unnecessary "handle" and "parent" arguments. Signed-off-by: Bjorn Helgaas --- drivers/acpi/scan.c | 27 ++++++++++++--------------- 1 files changed, 12 insertions(+), 15 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" 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/scan.c b/drivers/acpi/scan.c index 0302dd4..ab5a264 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -474,12 +474,12 @@ struct bus_type acpi_bus_type = { .uevent = acpi_device_uevent, }; -static int acpi_device_register(struct acpi_device *device, - struct acpi_device *parent) +static int acpi_device_register(struct acpi_device *device) { int result; struct acpi_device_bus_id *acpi_device_bus_id, *new_bus_id; int found = 0; + /* * Linkage * ------- @@ -524,7 +524,7 @@ static int acpi_device_register(struct acpi_device *device, mutex_unlock(&acpi_device_lock); if (device->parent) - device->dev.parent = &parent->dev; + device->dev.parent = &device->parent->dev; device->dev.bus = &acpi_bus_type; device->dev.release = &acpi_device_release; result = device_register(&device->dev); @@ -918,8 +918,7 @@ static int acpi_bus_get_flags(struct acpi_device *device) return 0; } -static void acpi_device_get_busid(struct acpi_device *device, - acpi_handle handle, int type) +static void acpi_device_get_busid(struct acpi_device *device, int type) { char bus_id[5] = { '?', 0 }; struct acpi_buffer buffer = { sizeof(bus_id), bus_id }; @@ -942,7 +941,7 @@ static void acpi_device_get_busid(struct acpi_device *device, strcpy(device->pnp.bus_id, "SLPF"); break; default: - acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer); + acpi_get_name(device->handle, ACPI_SINGLE_NAME, &buffer); /* Clean up trailing underscores (if any) */ for (i = 3; i > 1; i--) { if (bus_id[i] == '_') @@ -1058,9 +1057,7 @@ acpi_add_cid( return cid; } -static void acpi_device_set_id(struct acpi_device *device, - struct acpi_device *parent, acpi_handle handle, - int type) +static void acpi_device_set_id(struct acpi_device *device, int type) { struct acpi_device_info *info = NULL; char *hid = NULL; @@ -1071,7 +1068,7 @@ static void acpi_device_set_id(struct acpi_device *device, switch (type) { case ACPI_BUS_TYPE_DEVICE: - status = acpi_get_object_info(handle, &info); + status = acpi_get_object_info(device->handle, &info); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX "%s: Error reading device info\n", __func__); return; @@ -1126,7 +1123,8 @@ static void acpi_device_set_id(struct acpi_device *device, * ---- * Fix for the system root bus device -- the only root-level device. */ - if (((acpi_handle)parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) { + if (((acpi_handle)device->parent == ACPI_ROOT_OBJECT) && + (type == ACPI_BUS_TYPE_DEVICE)) { hid = ACPI_BUS_HID; strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME); strcpy(device->pnp.device_class, ACPI_BUS_CLASS); @@ -1246,8 +1244,7 @@ acpi_add_single_object(struct acpi_device **child, device->parent = parent; device->bus_ops = *ops; /* workround for not call .start */ - - acpi_device_get_busid(device, handle, type); + acpi_device_get_busid(device, type); /* * Flags @@ -1310,7 +1307,7 @@ acpi_add_single_object(struct acpi_device **child, * Hardware ID, Unique ID, & Bus Address * ------------------------------------- */ - acpi_device_set_id(device, parent, handle, type); + acpi_device_set_id(device, type); /* * Power Management @@ -1345,7 +1342,7 @@ acpi_add_single_object(struct acpi_device **child, if ((result = acpi_device_set_context(device, type))) goto end; - result = acpi_device_register(device, parent); + result = acpi_device_register(device); /* * Bind _ADR-Based Devices when hot add