From patchwork Fri Aug 18 09:30:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zetao X-Patchwork-Id: 1822800 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RRxTV3d91z26jN for ; Fri, 18 Aug 2023 19:31:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359169AbjHRJbL (ORCPT ); Fri, 18 Aug 2023 05:31:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359189AbjHRJas (ORCPT ); Fri, 18 Aug 2023 05:30:48 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B36C3AA2; Fri, 18 Aug 2023 02:30:42 -0700 (PDT) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RRxQj2Jnxz1GF9p; Fri, 18 Aug 2023 17:29:17 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Fri, 18 Aug 2023 17:30:39 +0800 From: Li Zetao To: , , , , , , , , , , , , CC: , , , , Subject: [PATCH -next 11/11] gpio: zynq: Use helper function devm_clk_get_enabled() Date: Fri, 18 Aug 2023 17:30:18 +0800 Message-ID: <20230818093018.1051434-12-lizetao1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230818093018.1051434-1-lizetao1@huawei.com> References: <20230818093018.1051434-1-lizetao1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Since commit 7ef9651e9792 ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get() and clk_prepare_enable() can now be replaced by devm_clk_get_enabled() when the driver enables (and possibly prepares) the clocks for the whole lifetime of the device. Moreover, it is no longer necessary to unprepare and disable the clocks explicitly. Signed-off-by: Li Zetao Reviewed-by: Andy Shevchenko --- drivers/gpio/gpio-zynq.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 0a7264aabe48..98cb38c95837 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -918,15 +918,10 @@ static int zynq_gpio_probe(struct platform_device *pdev) chip->ngpio = gpio->p_data->ngpio; /* Retrieve GPIO clock */ - gpio->clk = devm_clk_get(&pdev->dev, NULL); + gpio->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(gpio->clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(gpio->clk), "input clock not found.\n"); - - ret = clk_prepare_enable(gpio->clk); - if (ret) { - dev_err(&pdev->dev, "Unable to enable clock.\n"); - return ret; - } + return dev_err_probe(&pdev->dev, PTR_ERR(gpio->clk), + "input clock not found or unable to enable clock.\n"); spin_lock_init(&gpio->dirlock); @@ -977,7 +972,6 @@ static int zynq_gpio_probe(struct platform_device *pdev) pm_runtime_put(&pdev->dev); err_pm_dis: pm_runtime_disable(&pdev->dev); - clk_disable_unprepare(gpio->clk); return ret; } @@ -997,7 +991,6 @@ static int zynq_gpio_remove(struct platform_device *pdev) if (ret < 0) dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n"); gpiochip_remove(&gpio->chip); - clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0); pm_runtime_disable(&pdev->dev); return 0;