From patchwork Fri Aug 18 09:30:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zetao X-Patchwork-Id: 13357547 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C3742C71136 for ; Fri, 18 Aug 2023 09:32:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hlsph5zbPeuB4ZRV6cus4DyvCzWZ+DLln/lfM19F7Pk=; b=0AvVrXpb/IqnQR BjBrU5Zb0VIZ+LbD298vxyF7EwyPS/Aqhfb2cFvMZEx1EuFQ26Fk2t2TX/Lx7PiX57CE8STq3fVvs 2GiNCOCMHncNjXjkP8aGxGGgC3f8UXBrChWv0msAkNPydBFkoKWTWV8F2QLSBUT1R/4I3pNpHFPc7 mvyRqrPZAAo0t1i//QtNuUfnPuBvNzlvejV/id4vnO7PBZ8A6RJf5eA5razJU1pIgrpNMX/qXkBtx CCyKbelgf9QhFNZvnAvaLzUBbXKlGNEMYy+2Sei/UNpuJlNHShFU+5wbP6OSaU2szPkPQ404iPfNK RqK5GFFQPtzyDZ9jjpDg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qWvpa-00866f-2F; Fri, 18 Aug 2023 09:31:46 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qWvoh-0085fk-10 for linux-arm-kernel@bombadil.infradead.org; Fri, 18 Aug 2023 09:30:51 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=8yfDBqcOturArueWHORosyD5eGfywzTJpL5L/4mJtzg=; b=BWFROyG/vioU3oksjIJjA2lwnF fcjT4g0Cmg0bm8wagWiEa4CQtYlxZtZuA6woIMEf16IiEvQFFTe+IdJKUFO1IyRIyqEOPqn/AoUeY pWH/DeylgsHNsKfBlmQsK7bzShBw5NkevgD0PICM/U8S4CMEMziEQsz/XYKDfv9eNI/+eyYNsSu1j Wjdbv04+5CnMG1Ya5EtH07gl4jUHxUzTKjldy3967G+PBcxHtx9WIBKkENDKjVK8p/JlFF+z+VVjD zMdgxebaArIkmZ/n6ZXywQNsuZJVoPbsygjZVA5Poc8/TYh3fZf/eK73AY0PPO1p9g+5mbEWI1oZk 4LghiQ8Q==; Received: from szxga02-in.huawei.com ([45.249.212.188]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qWvoc-00FNqq-2C for linux-arm-kernel@lists.infradead.org; Fri, 18 Aug 2023 09:30:49 +0000 Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RRxPq0hvVzVkYK; Fri, 18 Aug 2023 17:28:31 +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 17:30:38 +0800 From: Li Zetao To: , , , , , , , , , , , , CC: , , , , Subject: [PATCH -next 10/11] gpio: xilinx: Use helper function devm_clk_get_optional_enabled() Date: Fri, 18 Aug 2023 17:30:17 +0800 Message-ID: <20230818093018.1051434-11-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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230818_103047_369270_852843CE X-CRM114-Status: GOOD ( 11.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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-xilinx.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index a16945e8319e..4e4da07bf8a2 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -334,12 +334,9 @@ static int __maybe_unused xgpio_suspend(struct device *dev) */ static int xgpio_remove(struct platform_device *pdev) { - struct xgpio_instance *gpio = platform_get_drvdata(pdev); - pm_runtime_get_sync(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); - clk_disable_unprepare(gpio->clk); return 0; } @@ -647,15 +644,11 @@ static int xgpio_probe(struct platform_device *pdev) return PTR_ERR(chip->regs); } - chip->clk = devm_clk_get_optional(&pdev->dev, NULL); + chip->clk = devm_clk_get_optional_enabled(&pdev->dev, NULL); if (IS_ERR(chip->clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(chip->clk), "input clock not found.\n"); + return dev_err_probe(&pdev->dev, PTR_ERR(chip->clk), + "input clock not found or failed to prepare clk\n"); - status = clk_prepare_enable(chip->clk); - if (status < 0) { - dev_err(&pdev->dev, "Failed to prepare clk\n"); - return status; - } pm_runtime_get_noresume(&pdev->dev); pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); @@ -702,7 +695,6 @@ static int xgpio_probe(struct platform_device *pdev) err_pm_put: pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); - clk_disable_unprepare(chip->clk); return status; }