From patchwork Tue Mar 22 14:42:41 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 8643381 Return-Path: X-Original-To: patchwork-linux-arm-msm@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 C7E499F3D1 for ; Tue, 22 Mar 2016 14:47:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DF9C1201C0 for ; Tue, 22 Mar 2016 14:47:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00574202A1 for ; Tue, 22 Mar 2016 14:47:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759344AbcCVOrN (ORCPT ); Tue, 22 Mar 2016 10:47:13 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:35488 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758751AbcCVOrJ (ORCPT ); Tue, 22 Mar 2016 10:47:09 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u2MEkbhB017527; Tue, 22 Mar 2016 07:46:37 -0700 Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0b-0016f401.pphosted.com with ESMTP id 21s69g5pgv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 22 Mar 2016 07:46:36 -0700 Received: from SC-EXCH02.marvell.com (10.93.176.82) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Tue, 22 Mar 2016 07:46:35 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server id 15.0.1104.5 via Frontend Transport; Tue, 22 Mar 2016 07:46:35 -0700 Received: from xhacker.marvell.com (unknown [10.37.135.134]) by maili.marvell.com (Postfix) with ESMTP id B07703F703F; Tue, 22 Mar 2016 07:46:33 -0700 (PDT) From: Jisheng Zhang To: , , , , , CC: , , , , Jisheng Zhang Subject: [PATCH 2/4] ARM: cpuidle: constify return value of arm_cpuidle_get_ops() Date: Tue, 22 Mar 2016 22:42:41 +0800 Message-ID: <1458657763-2561-3-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 2.8.0.rc3 In-Reply-To: <1458657763-2561-1-git-send-email-jszhang@marvell.com> References: <1458657763-2561-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-03-22_08:, , signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1601100000 definitions=main-1603220235 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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=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 arm_cpuidle_read_ops() just copies '*ops' to cpuidle_ops[cpu], so the structure '*ops' is not modified at all. The comment is also updated accordingly. Signed-off-by: Jisheng Zhang --- arch/arm/kernel/cpuidle.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/kernel/cpuidle.c b/arch/arm/kernel/cpuidle.c index 703926e..a44b268e 100644 --- a/arch/arm/kernel/cpuidle.c +++ b/arch/arm/kernel/cpuidle.c @@ -70,7 +70,7 @@ int arm_cpuidle_suspend(int index) * * Returns a struct cpuidle_ops pointer, NULL if not found. */ -static struct cpuidle_ops *__init arm_cpuidle_get_ops(const char *method) +static const struct cpuidle_ops *__init arm_cpuidle_get_ops(const char *method) { struct of_cpuidle_method *m = __cpuidle_method_of_table; @@ -88,7 +88,7 @@ static struct cpuidle_ops *__init arm_cpuidle_get_ops(const char *method) * * Get the method name defined in the 'enable-method' property, retrieve the * associated cpuidle_ops and do a struct copy. This copy is needed because all - * cpuidle_ops are tagged __initdata and will be unloaded after the init + * cpuidle_ops are tagged __initconst and will be unloaded after the init * process. * * Return 0 on sucess, -ENOENT if no 'enable-method' is defined, -EOPNOTSUPP if @@ -97,7 +97,7 @@ static struct cpuidle_ops *__init arm_cpuidle_get_ops(const char *method) static int __init arm_cpuidle_read_ops(struct device_node *dn, int cpu) { const char *enable_method; - struct cpuidle_ops *ops; + const struct cpuidle_ops *ops; enable_method = of_get_property(dn, "enable-method", NULL); if (!enable_method)