From patchwork Tue Mar 13 08:18:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 885028 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=renesas.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=renesasgroup.onmicrosoft.com header.i=@renesasgroup.onmicrosoft.com header.b="EAmbrc4C"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 400nmq5l4Kz9sSl for ; Tue, 13 Mar 2018 19:18:35 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752260AbeCMISd (ORCPT ); Tue, 13 Mar 2018 04:18:33 -0400 Received: from relmlor4.renesas.com ([210.160.252.174]:30843 "EHLO relmlie3.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752043AbeCMISc (ORCPT ); Tue, 13 Mar 2018 04:18:32 -0400 Received: from unknown (HELO relmlir2.idc.renesas.com) ([10.200.68.152]) by relmlie3.idc.renesas.com with ESMTP; 13 Mar 2018 17:18:30 +0900 Received: from relmlii1.idc.renesas.com (relmlii1.idc.renesas.com [10.200.68.65]) by relmlir2.idc.renesas.com (Postfix) with ESMTP id A1D3781D79; Tue, 13 Mar 2018 17:18:30 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.47,464,1515423600"; d="scan'208";a="273650437" Received: from mail-sg2apc01lp0245.outbound.protection.outlook.com (HELO APC01-SG2-obe.outbound.protection.outlook.com) ([65.55.88.245]) by relmlii1.idc.renesas.com with ESMTP/TLS/AES256-GCM-SHA384; 13 Mar 2018 17:18:30 +0900 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=renesasgroup.onmicrosoft.com; s=selector1-renesas-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=XCNavT98gXP4Rr55dP+rT/EJOYyGJPJ1X/j/3vVmSmw=; b=EAmbrc4C8iN3c2aJyX22zEXk3QwFMmGA0UaQAhNtA2WkgBoVcYfJ9aCDkf3skOk81RxyrpmySIm9cuDy++1/6ROEmrcwJVJaIzxDIRKB+tt/ekSr/rxC9kJZeCqUFYC5B9C+Kel5NzqI7SRNRTu3lW4OqxLDP12WScs+KeyALKk= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=<>; Received: from localhost.localdomain (211.11.155.138) by SG2PR06MB0982.apcprd06.prod.outlook.com (2a01:111:e400:5213::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.548.13; Tue, 13 Mar 2018 08:18:27 +0000 From: Yoshihiro Shimoda To: thierry.reding@gmail.com Cc: linux-pwm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Hien Dang , Yoshihiro Shimoda Subject: [PATCH v2 1/2] pwm: rcar: Use PM Runtime to control module clock Date: Tue, 13 Mar 2018 17:18:17 +0900 Message-Id: <1520929098-20873-2-git-send-email-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1520929098-20873-1-git-send-email-yoshihiro.shimoda.uh@renesas.com> References: <1520929098-20873-1-git-send-email-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 X-Originating-IP: [211.11.155.138] X-ClientProxiedBy: TYXPR01CA0045.jpnprd01.prod.outlook.com (2603:1096:403:a::15) To SG2PR06MB0982.apcprd06.prod.outlook.com (2a01:111:e400:5213::24) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: abaa3650-b0ab-4b79-f43b-08d588bb0013 X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(4534165)(4627221)(201703031133081)(2017052603328)(7153060)(7193020); SRVR:SG2PR06MB0982; X-Microsoft-Exchange-Diagnostics: 1; SG2PR06MB0982; 3:/rJVHZdgnDugosAQnZ8criPBcOhWTwF12NdOd1N4VXctjk+MpLzTvNihO3KXqGXCZH8+0+44T9ngOBwFMnyI2GOsn4Vk9KRc9KfySnQn5MMcAPFYb4ZbqMzhbRtkAnRGqhUSyvqUyGktYm2DZbPJyAkgndc+faGJ83jUKBZejFLXp3pmLZqx6ghWuTih5rkUvul1wJXnu55wYvh91A/mCczXuiJiLwGPVgmKWYcicVpxJTuJVLmHK5SuhYq6oK+I; 25:OFZVrgSy96wxR/lP58bT+XxlHQ4j3yB7m4QpfSkmKykZQ0T3Bz/U9XQNzJDqScXiX/HK5PKzusp8hzF8TJeKT/+GRPLMJ7R5fmV9xDP5gqHp5RZvqRfHnK7c4IdeXgbygJmTR01HvemkmpvxEJ5vMb9mdDqNmUmJpMBD5cR9tkSpKzaNMlrJ5ylzcYVNPE/dRVQlCvLkNrrP06Pd4D+G33bQXaWplVpaNCG5rOGobte4Hlk/9Rlv28LH+AaWFRjGq/FFYnDfXb7H8qLOeFxudr7bkG3TfskUYlevabXdoFKKvHxeUKTkozP88hHrIq9ecCRyHsy6PN6kZ9lED8wPQA==; 31:XINL/ajilMB9XGvdRD0Y6xftPstnB/QiwInYVWmwHORa/XuXYruowoLBLYzFsH7TgGu1iNzLHzmCoRDdrogrdwJaQNgzthBeO4RYRJnTIYlIqHms+IdsDvxiCybzc3LLT43BAPVN6ZGOsQXh8A0CDV7ZnfWrYZ7dBzO5MCVMIoCzR9jI1dw0eC/WvYsnyCYqI3ETc2aD5NtTV7DYiYs5+DJNmpZYd1+jDy2BM3QAn4I= X-MS-TrafficTypeDiagnostic: SG2PR06MB0982: X-Microsoft-Exchange-Diagnostics: 1; SG2PR06MB0982; 20: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; 4:4P7AUUvG42StHok01q5rDPPv5sNrLMsMgwMV/uBUk+bKee5fWL4Ks8sW5XFZnK55RivvhAq6PWKFZLOHX02DO3n2p/lfDtKLaG3A8nkV00gmFLcEc+IcHfdI1OB2IO/pCKjVvQ0QjOPfA20CE7MQcIu8Rfw/GzMsaAop7EefSeaQUGoTngBwZUWN4OOAygMlOsvY275iWvnophGWTx6au9pz3ekYMcFEArGS6pueVFpdkvSHBvlHBllt0nD3w4oJLm+T8r/KP2DUv6A/HHzUnA== X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(10201501046)(93006095)(3002001)(3231221)(944501244)(52105095)(6055026)(6041310)(20161123558120)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061750153)(20161123562045)(20161123564045)(20161123560045)(6072148)(201708071742011); SRVR:SG2PR06MB0982; BCL:0; PCL:0; RULEID:; SRVR:SG2PR06MB0982; X-Forefront-PRVS: 0610D16BBE X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10019020)(6069001)(366004)(346002)(376002)(39860400002)(396003)(39380400002)(189003)(199004)(50226002)(6916009)(2361001)(50466002)(78352004)(6486002)(81166006)(2351001)(53936002)(6512007)(106356001)(48376002)(81156014)(97736004)(25786009)(8676002)(39060400002)(8936002)(4326008)(68736007)(105586002)(36756003)(7736002)(305945005)(107886003)(2906002)(54906003)(6666003)(51416003)(498600001)(3846002)(42882007)(47776003)(386003)(59450400001)(6506007)(16526019)(5660300001)(26005)(76176011)(16586007)(6116002)(66066001)(52116002)(316002)(2950100002)(3720700003); DIR:OUT; SFP:1102; SCL:1; SRVR:SG2PR06MB0982; H:localhost.localdomain; FPR:; SPF:None; PTR:InfoNoRecords; MX:0; A:0; LANG:en; Received-SPF: None (protection.outlook.com: localhost.localdomain does not designate permitted sender hosts) X-Microsoft-Exchange-Diagnostics: 1; SG2PR06MB0982; 23: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 X-Microsoft-Antispam-Message-Info: DBsqUkevsmXdXf7HFIScl2g9bVIUMgT7r0OFVCjpKG5oDpee2SdCZ7eYFaX8Pp0p+rjmdqV4uD4QS9CwAGTWCkNWCW3Kp74TOkbCE4kY2pvA+j8aK1dDrZxmA+AsWZwDoH5VE8FF/C0PhVGPbaPOynxPOaaYHzn9CmDMl7odxIbnsFeeRophC+A1Dcw+q1/d X-Microsoft-Exchange-Diagnostics: 1; SG2PR06MB0982; 6:aXKOsUdCUJ6Yo9xYrq+eib78BSxnCkjUQ8I1nBmG6a8B1AJ8nU+ok10g/ypVIueO/zZeyIzXLvZ7fcncqsPnzAy4bJWY4UFp8kksQpdHI8GjTSS/H49WS50LYiC/lLvZIJI5BPJddbtwK8UlTaxG7neww2mmZf9XG+8zKf1LJtXlNTuPRjEyHLvSMsmEduJd+4njKXxLO/u+6SiFGFijqE7Yw5E8k9knu+ycoLGW9cuoUWU0u2TynL2DkYQP/5wB9vXe/9Cp2UeYsoXWFcnlQ0qWrAjK9beYyPC+CAyG4wmpRS4OOM5VhDImH/RV8ULUKP/GWvYkl3ssX1086xL5FuHeGAoTcoJ3QWYcFbz9ljY=; 5:ukq1Oz/0XxSqmtsiJ9uWnWzA72zova+QApq/egBF2LUTWeDczVNqQ5IHDEpxCSK9lF6VPtUVuCtHMgvRXudpt+xebCRHwNqLGBwoKFh8tDv7ri42FD6zfl/GdhgEo5HzquZOP2s80zC56rJLRDL+s9uzz8ADHmrX6Y8DW/7KRKs=; 24:3Rag9r9Hl7jyEP8QgpQ2MPF4f1xgG3b+yMPx9hISKRusibIpQJH5pXwS5qJVxM30ddeKhQsLlP7dp/HIwLw0HW4/5LtEaNE2eofHdwSedCU=; 7:XQEu04jLncbEZU82/mE1/yCgaGT8pbmdgOTRhlwZve2clbmXf7g3NjKZ56RAVjfTPBxy6oV6lk0uh60zrVaygP/95N4tJzxGK2OkjsXeG4jW4oswddJsEQEb//u5oUl3GP+y0yofXx5cNsyoYO/iHRvKyDTlpCUqj1+6Sl409maAy6NJQgmL9pLAc2v7g2P4ZCGM62X/quu5qloG3uEc5YXFY71AD/dHduuurPe8XNrgH2XVRu5fyIpjOa8cR0Wb SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-Microsoft-Exchange-Diagnostics: 1; SG2PR06MB0982; 20:G21rpp9TBzrOf4StaZuGnd1BW08zMQG2F6Kir+GjuaC5UzIHXWqMaIEwvTx3GqWqaAbuuT0+Sgl+2HIIGgqZB32MBoiABD53bN5eEgXt5v2Rb7eiF73oY1cyAx5yMYu48v8DZD6nT8RkpYMjnQHqufoQoO/s2Z3WfMQFexNCgDg= X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2018 08:18:27.9050 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: abaa3650-b0ab-4b79-f43b-08d588bb0013 X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-Transport-CrossTenantHeadersStamped: SG2PR06MB0982 Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org From: Hien Dang Runtime PM API (pm_runtime_get_sync/pm_runtime_put) should be used to control module clock instead of clk_prepare_enable and clk_disable_unprepare. Signed-off-by: Hien Dang Signed-off-by: Yoshihiro Shimoda Reviewed-by: Geert Uytterhoeven --- drivers/pwm/pwm-rcar.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c index 1c85ecc..b942010 100644 --- a/drivers/pwm/pwm-rcar.c +++ b/drivers/pwm/pwm-rcar.c @@ -134,16 +134,12 @@ static int rcar_pwm_set_counter(struct rcar_pwm_chip *rp, int div, int duty_ns, static int rcar_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - - return clk_prepare_enable(rp->clk); + return pm_runtime_get_sync(chip->dev); } static void rcar_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - - clk_disable_unprepare(rp->clk); + pm_runtime_put(chip->dev); } static int rcar_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,