From patchwork Sat Aug 26 03:54:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13366486 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 B976FC83F18 for ; Sat, 26 Aug 2023 03:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231741AbjHZDyy (ORCPT ); Fri, 25 Aug 2023 23:54:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231704AbjHZDyX (ORCPT ); Fri, 25 Aug 2023 23:54:23 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE5D5269E for ; Fri, 25 Aug 2023 20:54:20 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.53]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4RXjXv0kBczJrp1; Sat, 26 Aug 2023 11:51:11 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Sat, 26 Aug 2023 11:54:18 +0800 From: Jinjie Ruan To: , , , , , , CC: Subject: [PATCH -next 1/2] iio: adc: mt6577_auxadc: Simplify with dev_err_probe() Date: Sat, 26 Aug 2023 11:54:01 +0800 Message-ID: <20230826035402.3512033-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230826035402.3512033-1-ruanjinjie@huawei.com> References: <20230826035402.3512033-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Use the dev_err_probe() helper to simplify error handling during probe. This also handle scenario, when EDEFER is returned and useless error is printed. Signed-off-by: Jinjie Ruan Suggested-by: Jonathan Cameron Reviewed-by: AngeloGioacchino Del Regno --- drivers/iio/adc/mt6577_auxadc.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c index ea42fd7a8c99..935cf560e238 100644 --- a/drivers/iio/adc/mt6577_auxadc.c +++ b/drivers/iio/adc/mt6577_auxadc.c @@ -265,22 +265,18 @@ static int mt6577_auxadc_probe(struct platform_device *pdev) indio_dev->num_channels = ARRAY_SIZE(mt6577_auxadc_iio_channels); adc_dev->reg_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(adc_dev->reg_base)) { - dev_err(&pdev->dev, "failed to get auxadc base address\n"); - return PTR_ERR(adc_dev->reg_base); - } + if (IS_ERR(adc_dev->reg_base)) + return dev_err_probe(&pdev->dev, PTR_ERR(adc_dev->reg_base), + "failed to get auxadc base address\n"); adc_dev->adc_clk = devm_clk_get_enabled(&pdev->dev, "main"); - if (IS_ERR(adc_dev->adc_clk)) { - dev_err(&pdev->dev, "failed to enable auxadc clock\n"); - return PTR_ERR(adc_dev->adc_clk); - } + if (IS_ERR(adc_dev->adc_clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(adc_dev->adc_clk), + "failed to enable auxadc clock\n"); adc_clk_rate = clk_get_rate(adc_dev->adc_clk); - if (!adc_clk_rate) { - dev_err(&pdev->dev, "null clock rate\n"); - return -EINVAL; - } + if (!adc_clk_rate) + return dev_err_probe(&pdev->dev, -EINVAL, "null clock rate\n"); adc_dev->dev_comp = device_get_match_data(&pdev->dev);