From patchwork Tue Sep 28 01:36:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12521285 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79E1AC433EF for ; Tue, 28 Sep 2021 01:36:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5E9B4600EF for ; Tue, 28 Sep 2021 01:36:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238464AbhI1BiV (ORCPT ); Mon, 27 Sep 2021 21:38:21 -0400 Received: from mx22.baidu.com ([220.181.50.185]:44700 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S238428AbhI1BiV (ORCPT ); Mon, 27 Sep 2021 21:38:21 -0400 Received: from BJHW-Mail-Ex14.internal.baidu.com (unknown [10.127.64.37]) by Forcepoint Email with ESMTPS id 208B825A85D16B02446B; Tue, 28 Sep 2021 09:36:35 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex14.internal.baidu.com (10.127.64.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Tue, 28 Sep 2021 09:36:34 +0800 Received: from LAPTOP-UKSR4ENP.internal.baidu.com (172.31.63.8) by BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Tue, 28 Sep 2021 09:36:33 +0800 From: Cai Huoqing To: CC: Linus Walleij , Jonathan Cameron , Lars-Peter Clausen , Shawn Guo , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam , "NXP Linux Team" , Vladimir Zapolskiy , "Neil Armstrong" , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Andy Gross , "Bjorn Andersson" , Heiko Stuebner , , , , , , Subject: [PATCH v2 2/9] iio: adc: imx7d_adc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 09:36:13 +0800 Message-ID: <20210928013621.1245-2-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928013621.1245-1-caihuoqing@baidu.com> References: <20210928013621.1245-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex24.internal.baidu.com (172.31.51.18) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex14_2021-09-28 09:36:35:088 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing --- drivers/iio/adc/imx7d_adc.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c index 4969a5f941e3..f47360cbff3b 100644 --- a/drivers/iio/adc/imx7d_adc.c +++ b/drivers/iio/adc/imx7d_adc.c @@ -496,19 +496,13 @@ static int imx7d_adc_probe(struct platform_device *pdev) return irq; info->clk = devm_clk_get(dev, "adc"); - if (IS_ERR(info->clk)) { - ret = PTR_ERR(info->clk); - dev_err(dev, "Failed getting clock, err = %d\n", ret); - return ret; - } + if (IS_ERR(info->clk)) + return dev_err_probe(dev, PTR_ERR(info->clk), "Failed getting clock\n"); info->vref = devm_regulator_get(dev, "vref"); - if (IS_ERR(info->vref)) { - ret = PTR_ERR(info->vref); - dev_err(dev, - "Failed getting reference voltage, err = %d\n", ret); - return ret; - } + if (IS_ERR(info->vref)) + return dev_err_probe(dev, PTR_ERR(info->vref), + "Failed getting reference voltage\n"); platform_set_drvdata(pdev, indio_dev);