From patchwork Fri Aug 18 09:30:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zetao X-Patchwork-Id: 1822798 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-gpio-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 4RRxTT6Hb5z1ygW for ; Fri, 18 Aug 2023 19:31:41 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359141AbjHRJbJ (ORCPT ); Fri, 18 Aug 2023 05:31:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359165AbjHRJam (ORCPT ); Fri, 18 Aug 2023 05:30:42 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF25F3C1D; Fri, 18 Aug 2023 02:30:38 -0700 (PDT) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RRxN15pglztSFW; Fri, 18 Aug 2023 17:26:57 +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 17:30:35 +0800 From: Li Zetao To: , , , , , , , , , , , , CC: , , , , Subject: [PATCH -next 05/11] gpio: mb86s7x: Use helper function devm_clk_get_optional_enabled() Date: Fri, 18 Aug 2023 17:30:12 +0800 Message-ID: <20230818093018.1051434-6-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,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL, 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-gpio@vger.kernel.org Since commit 7ef9651e9792 ("clk: Provide new devm_clk helpers for prepared and enabled clocks"), devm_clk_get_optional() and clk_prepare_enable() can now be replaced by devm_clk_get_optional_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 --- drivers/gpio/gpio-mb86s7x.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c index ca7eb5e8bfaa..8f2abc914dfa 100644 --- a/drivers/gpio/gpio-mb86s7x.c +++ b/drivers/gpio/gpio-mb86s7x.c @@ -170,14 +170,10 @@ static int mb86s70_gpio_probe(struct platform_device *pdev) if (IS_ERR(gchip->base)) return PTR_ERR(gchip->base); - gchip->clk = devm_clk_get_optional(&pdev->dev, NULL); + gchip->clk = devm_clk_get_optional_enabled(&pdev->dev, NULL); if (IS_ERR(gchip->clk)) return PTR_ERR(gchip->clk); - ret = clk_prepare_enable(gchip->clk); - if (ret) - return ret; - spin_lock_init(&gchip->lock); gchip->gc.direction_output = mb86s70_gpio_direction_output; @@ -196,7 +192,6 @@ static int mb86s70_gpio_probe(struct platform_device *pdev) ret = gpiochip_add_data(&gchip->gc, gchip); if (ret) { dev_err(&pdev->dev, "couldn't register gpio driver\n"); - clk_disable_unprepare(gchip->clk); return ret; } @@ -211,7 +206,6 @@ static int mb86s70_gpio_remove(struct platform_device *pdev) acpi_gpiochip_free_interrupts(&gchip->gc); gpiochip_remove(&gchip->gc); - clk_disable_unprepare(gchip->clk); return 0; }