From patchwork Wed Jan 28 10:57:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 5729461 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1173C9F38B for ; Wed, 28 Jan 2015 20:23:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5C16C20263 for ; Wed, 28 Jan 2015 20:23:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89CE8202A1 for ; Wed, 28 Jan 2015 20:23:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756749AbbA1UXY (ORCPT ); Wed, 28 Jan 2015 15:23:24 -0500 Received: from mga09.intel.com ([134.134.136.24]:50867 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756767AbbA1UXW (ORCPT ); Wed, 28 Jan 2015 15:23:22 -0500 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 28 Jan 2015 02:52:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,480,1418112000"; d="scan'208";a="677268831" Received: from gerry-dev.bj.intel.com ([10.238.158.52]) by orsmga002.jf.intel.com with ESMTP; 28 Jan 2015 02:55:14 -0800 From: Jiang Liu To: "Rafael J. Wysocki" , Thomas Gleixner , Bjorn Helgaas , Yinghai Lu , Borislav Petkov , Lv Zheng , Len Brown Cc: Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, Jiang Liu Subject: [Patch v2 05/22] ACPI: Let the parser return false for disabled resources Date: Wed, 28 Jan 2015 18:57:23 +0800 Message-Id: <1422442660-455-6-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1422442660-455-1-git-send-email-jiang.liu@linux.intel.com> References: <1422442660-455-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@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 From: Thomas Gleixner If the parser disables a resource during parsing, let it return false, so the calling code does not need to implement further checks. Signed-off-by: Thomas Gleixner Signed-off-by: Jiang Liu --- drivers/acpi/resource.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 16d291c60277..cdb1a3c4a0b9 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -219,10 +219,10 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares, res->flags = IORESOURCE_BUS; break; default: - res->flags = 0; + return false; } - return true; + return !(res->flags & IORESOURCE_DISABLED); } EXPORT_SYMBOL_GPL(acpi_dev_resource_address_space); @@ -268,10 +268,10 @@ bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, res->flags = IORESOURCE_BUS; break; default: - res->flags = 0; + return false; } - return true; + return !(res->flags & IORESOURCE_DISABLED); } EXPORT_SYMBOL_GPL(acpi_dev_resource_ext_address_space);