From patchwork Wed Jul 17 14:06:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sudeep KarkadaNagesha X-Patchwork-Id: 2828650 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 48CE7C0AB2 for ; Wed, 17 Jul 2013 14:08:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F3EC920212 for ; Wed, 17 Jul 2013 14:08:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D40DE2020F for ; Wed, 17 Jul 2013 14:08:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755813Ab3GQOIl (ORCPT ); Wed, 17 Jul 2013 10:08:41 -0400 Received: from service87.mimecast.com ([91.220.42.44]:55987 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755513Ab3GQOGq (ORCPT ); Wed, 17 Jul 2013 10:06:46 -0400 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Wed, 17 Jul 2013 15:06:44 +0100 Received: from e103737-lin.cambridge.arm.com ([10.1.255.212]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.0); Wed, 17 Jul 2013 15:06:41 +0100 From: Sudeep.KarkadaNagesha@arm.com To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Cc: Russell King , Shawn Guo , Gregory Clement , Greg Kroah-Hartman , Viresh Kumar , "Rafael J. Wysocki" , Grant Likely , Rob Herring , Lorenzo Pieralisi , Olof Johansson , Arnd Bergmann , Sudeep KarkadaNagesha , Deepak Sikri Subject: [RFC PATCH v2 10/15] cpufreq: spear-cpufreq: remove device tree parsing for cpu nodes Date: Wed, 17 Jul 2013 15:06:19 +0100 Message-Id: <1374069984-20567-11-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1374069984-20567-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> References: <1374069984-20567-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-OriginalArrivalTime: 17 Jul 2013 14:06:41.0586 (UTC) FILETIME=[DCA79920:01CE82F6] X-MC-Unique: 113071715064404701 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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: Sudeep KarkadaNagesha Now that the cpu device registration initialises the of_node(if available) appropriately for all the cpus, parsing here is redundant. This patch removes all DT parsing and uses cpu->of_node instead. Cc: Deepak Sikri Acked-by: Viresh Kumar Signed-off-by: Sudeep KarkadaNagesha --- drivers/cpufreq/spear-cpufreq.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index c3efa7f..eb73c47 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -14,6 +14,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include +#include #include #include #include @@ -218,12 +219,19 @@ static struct cpufreq_driver spear_cpufreq_driver = { static int spear_cpufreq_driver_init(void) { struct device_node *np; + struct device *cpu_dev; const struct property *prop; struct cpufreq_frequency_table *freq_tbl; const __be32 *val; int cnt, i, ret; - np = of_find_node_by_path("/cpus/cpu@0"); + cpu_dev = get_cpu_device(0); + if (!cpu_dev) { + pr_err("failed to get cpu device\n"); + return -ENODEV; + } + + np = of_node_get(cpu_dev->of_node); if (!np) { pr_err("No cpu node found"); return -ENODEV;