From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 313FDC433B4 for ; Tue, 6 Apr 2021 09:59:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECA84613C2 for ; Tue, 6 Apr 2021 09:59:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241212AbhDFJ7D (ORCPT ); Tue, 6 Apr 2021 05:59:03 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:46122 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S235467AbhDFJ7B (ORCPT ); Tue, 6 Apr 2021 05:59:01 -0400 X-UUID: d7872b6fb6554129a22c0cc13b11a373-20210406 X-UUID: d7872b6fb6554129a22c0cc13b11a373-20210406 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1840545353; Tue, 06 Apr 2021 17:58:51 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 6 Apr 2021 17:58:49 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 6 Apr 2021 17:58:49 +0800 From: Rex-BC Chen To: , , , CC: , , , , , Rex-BC Chen , Jitao Shi Subject: [v3,PATCH 1/3] pwm: mtk_disp: clear the clock operations Date: Tue, 6 Apr 2021 17:57:40 +0800 Message-ID: <1617703062-4251-2-git-send-email-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1617703062-4251-1-git-send-email-rex-bc.chen@mediatek.com> References: <1617703062-4251-1-git-send-email-rex-bc.chen@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Remove the clk_prepare from mtk_disp_pwm_probe. Remove the clk_unprepare from mtk_disp_pwm_remove. After using atomic API and get_state() function which are implemented in PATCH [2/3], [3/3], clk_prepare/clk_unprepare are useless in probe/remove function. So we remove clk_prepare/clk_unprepare in probe/remove fuinction. Signed-off-by: Rex-BC Chen Signed-off-by: Jitao Shi --- drivers/pwm/pwm-mtk-disp.c | 23 ++--------------------- 1 file changed, 2 insertions(+), 21 deletions(-) diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 87c6b4bc5d43..21416a8b6b47 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -192,14 +192,6 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) if (IS_ERR(mdp->clk_mm)) return PTR_ERR(mdp->clk_mm); - ret = clk_prepare(mdp->clk_main); - if (ret < 0) - return ret; - - ret = clk_prepare(mdp->clk_mm); - if (ret < 0) - goto disable_clk_main; - mdp->chip.dev = &pdev->dev; mdp->chip.ops = &mtk_disp_pwm_ops; mdp->chip.base = -1; @@ -208,7 +200,7 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) ret = pwmchip_add(&mdp->chip); if (ret < 0) { dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); - goto disable_clk_mm; + return ret; } platform_set_drvdata(pdev, mdp); @@ -227,24 +219,13 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev) } return 0; - -disable_clk_mm: - clk_unprepare(mdp->clk_mm); -disable_clk_main: - clk_unprepare(mdp->clk_main); - return ret; } static int mtk_disp_pwm_remove(struct platform_device *pdev) { struct mtk_disp_pwm *mdp = platform_get_drvdata(pdev); - int ret; - - ret = pwmchip_remove(&mdp->chip); - clk_unprepare(mdp->clk_mm); - clk_unprepare(mdp->clk_main); - return ret; + return pwmchip_remove(&mdp->chip); } static const struct mtk_pwm_data mt2701_pwm_data = { -- 2.18.0