From patchwork Sat Aug 5 20:37:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 9883425 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D252160392 for ; Sat, 5 Aug 2017 21:03:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C519127F86 for ; Sat, 5 Aug 2017 21:03:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BA2E5285EE; Sat, 5 Aug 2017 21:03:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6BD4527F86 for ; Sat, 5 Aug 2017 21:03:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752713AbdHEVCs (ORCPT ); Sat, 5 Aug 2017 17:02:48 -0400 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:36359 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751662AbdHEVCq (ORCPT ); Sat, 5 Aug 2017 17:02:46 -0400 X-IronPort-AV: E=Sophos;i="5.41,328,1498514400"; d="scan'208";a="233751346" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/AES128-SHA256; 05 Aug 2017 23:02:44 +0200 From: Julia Lawall To: Zhang Rui Cc: bhumirks@gmail.com, kernel-janitors@vger.kernel.org, Eduardo Valentin , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] thermal: qoriq: constify thermal_zone_of_device_ops structures Date: Sat, 5 Aug 2017 22:37:14 +0200 Message-Id: <1501965437-30730-2-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1501965437-30730-1-git-send-email-Julia.Lawall@lip6.fr> References: <1501965437-30730-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The thermal_zone_of_device_ops structure is only passed as the fourth argument to thermal_zone_of_sensor_register, which is declared as const. Thus the thermal_zone_of_device_ops structure itself can be const. Done with the help of Coccinelle. // @r disable optional_qualifier@ identifier i; position p; @@ static struct thermal_zone_of_device_ops i@p = { ... }; @ok1@ identifier r.i; expression e1,e2,e3; position p; @@ thermal_zone_of_sensor_register(e1,e2,e3,&i@p) @bad@ position p != {r.p,ok1.p}; identifier r.i; struct thermal_zone_of_device_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct thermal_zone_of_device_ops i = { ... }; // Signed-off-by: Julia Lawall --- drivers/thermal/qoriq_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index 4362a69..c866cc1 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -188,7 +188,7 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) tmu_write(data, TMR_DISABLE, &data->regs->tmr); } -static struct thermal_zone_of_device_ops tmu_tz_ops = { +static const struct thermal_zone_of_device_ops tmu_tz_ops = { .get_temp = tmu_get_temp, };