From patchwork Mon Sep 27 08:14:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12519351 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 11817C433F5 for ; Mon, 27 Sep 2021 08:15:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9FD6660EB4 for ; Mon, 27 Sep 2021 08:15:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9FD6660EB4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baidu.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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=xYR9kmp1fvypzaBsni2m8G2B45nntOeEOt1kTjm8ILI=; b=nIvP9aLPb6T4JC bwQYF8DoQ5hs0rnRNkv1reR9MiREUWIbNPyLEqeYVe4PIAA+61EMVrycWgdLAD1UkWobAAz6Ai+qF lx7+T1zvINV7KVxDp2MjGpZ1jZOjq96Tx1GmxX6HlCuI/+5Mc1Cj7gOCg/uIpBAaZu1fALFVGyhC1 rt5KjcNA26WY2JkxGKkroM1b3d5IQS/H/Sjpw9MYgMZUsUJkSrAXkqPEGOrt0FfUDM1ZSKcWHtpdD /xss/JCuZNXHOVWgLa0m44yFgUD2G8qg0hWMdhieTo2XxRwrjBq84FQxs/EXNwep7UCB4WyupnNII ECxNlrM42s3c+CDIS5xg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mUln7-001vj3-Tj; Mon, 27 Sep 2021 08:15:13 +0000 Received: from mx22.baidu.com ([220.181.50.185] helo=baidu.com) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mUlmk-001va3-8e; Mon, 27 Sep 2021 08:14:51 +0000 Received: from BC-Mail-Ex03.internal.baidu.com (unknown [172.31.51.43]) by Forcepoint Email with ESMTPS id F1FA295BAE256D84D0D6; Mon, 27 Sep 2021 16:14:44 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-Ex03.internal.baidu.com (172.31.51.43) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.12; Mon, 27 Sep 2021 16:14:44 +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; Mon, 27 Sep 2021 16:14:43 +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 3/9] iio: adc: lpc18xx_adc: Make use of the helper function dev_err_probe() Date: Mon, 27 Sep 2021 16:14:19 +0800 Message-ID: <20210927081426.762-3-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210927081426.762-1-caihuoqing@baidu.com> References: <20210927081426.762-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex10.internal.baidu.com (172.31.51.50) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210927_011450_514266_3719EBA6 X-CRM114-Status: UNSURE ( 9.71 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.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/lpc18xx_adc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/iio/adc/lpc18xx_adc.c b/drivers/iio/adc/lpc18xx_adc.c index 3566990ae87d..caa7feb4219f 100644 --- a/drivers/iio/adc/lpc18xx_adc.c +++ b/drivers/iio/adc/lpc18xx_adc.c @@ -137,19 +137,19 @@ static int lpc18xx_adc_probe(struct platform_device *pdev) return PTR_ERR(adc->base); adc->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(adc->clk)) { - dev_err(&pdev->dev, "error getting clock\n"); - return PTR_ERR(adc->clk); - } + if (IS_ERR(adc->clk)) + return dev_err_probe(&pdev->dev, + PTR_ERR(adc->clk), + "error getting clock\n"); rate = clk_get_rate(adc->clk); clkdiv = DIV_ROUND_UP(rate, LPC18XX_ADC_CLK_TARGET); adc->vref = devm_regulator_get(&pdev->dev, "vref"); - if (IS_ERR(adc->vref)) { - dev_err(&pdev->dev, "error getting regulator\n"); - return PTR_ERR(adc->vref); - } + if (IS_ERR(adc->vref)) + return dev_err_probe(&pdev->dev, + PTR_ERR(adc->vref), + "error getting regulator\n"); indio_dev->name = dev_name(&pdev->dev); indio_dev->info = &lpc18xx_adc_info;