From patchwork Wed Aug 23 13:39:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: lizetao X-Patchwork-Id: 13362535 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1C9CEE49A3 for ; Wed, 23 Aug 2023 13:40:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236246AbjHWNkV (ORCPT ); Wed, 23 Aug 2023 09:40:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236250AbjHWNkU (ORCPT ); Wed, 23 Aug 2023 09:40:20 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D9D6FB for ; Wed, 23 Aug 2023 06:40:18 -0700 (PDT) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RW6gd6GSvztSCY; Wed, 23 Aug 2023 21:36:29 +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; Wed, 23 Aug 2023 21:40:13 +0800 From: Li Zetao To: CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Jonathan Cameron Subject: [PATCH -next v2 21/25] spi: orion: Use helper function devm_clk_get_enabled() Date: Wed, 23 Aug 2023 21:39:34 +0800 Message-ID: <20230823133938.1359106-22-lizetao1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230823133938.1359106-1-lizetao1@huawei.com> References: <20230822131237.1022815-1-lizetao1@huawei.com> <20230823133938.1359106-1-lizetao1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-spi@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 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. Reviewed-by: Jonathan Cameron Signed-off-by: Li Zetao --- v1 -> v2: None drivers/spi/spi-orion.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index 1f10f5c8e34d..eee9ff4bfa5b 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c @@ -688,21 +688,17 @@ static int orion_spi_probe(struct platform_device *pdev) devdata = devdata ? devdata : &orion_spi_dev_data; spi->devdata = devdata; - spi->clk = devm_clk_get(&pdev->dev, NULL); + spi->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(spi->clk)) { status = PTR_ERR(spi->clk); goto out; } - status = clk_prepare_enable(spi->clk); - if (status) - goto out; - /* The following clock is only used by some SoCs */ spi->axi_clk = devm_clk_get(&pdev->dev, "axi"); if (PTR_ERR(spi->axi_clk) == -EPROBE_DEFER) { status = -EPROBE_DEFER; - goto out_rel_clk; + goto out; } if (!IS_ERR(spi->axi_clk)) clk_prepare_enable(spi->axi_clk); @@ -795,8 +791,6 @@ static int orion_spi_probe(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); out_rel_axi_clk: clk_disable_unprepare(spi->axi_clk); -out_rel_clk: - clk_disable_unprepare(spi->clk); out: spi_controller_put(host); return status; @@ -810,7 +804,6 @@ static void orion_spi_remove(struct platform_device *pdev) pm_runtime_get_sync(&pdev->dev); clk_disable_unprepare(spi->axi_clk); - clk_disable_unprepare(spi->clk); spi_unregister_controller(host); pm_runtime_disable(&pdev->dev);