From patchwork Mon Sep 27 08:32:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12519429 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 43010C433F5 for ; Mon, 27 Sep 2021 08:33:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BB6A604D2 for ; Mon, 27 Sep 2021 08:33:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233529AbhI0Ien (ORCPT ); Mon, 27 Sep 2021 04:34:43 -0400 Received: from mx24.baidu.com ([111.206.215.185]:39926 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233564AbhI0Ieh (ORCPT ); Mon, 27 Sep 2021 04:34:37 -0400 Received: from BC-Mail-Ex32.internal.baidu.com (unknown [172.31.51.26]) by Forcepoint Email with ESMTPS id 6D35EDC21C8CE232EB7E; Mon, 27 Sep 2021 16:32:58 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-Ex32.internal.baidu.com (172.31.51.26) 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 16:32:56 +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 16:32:56 +0800 From: Cai Huoqing To: CC: Kevin Tsai , Jonathan Cameron , Lars-Peter Clausen , Linus Walleij , , Subject: [PATCH 3/4] iio: light: gp2ap002: Make use of the helper function dev_err_probe() Date: Mon, 27 Sep 2021 16:32:37 +0800 Message-ID: <20210927083238.949-3-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210927083238.949-1-caihuoqing@baidu.com> References: <20210927083238.949-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex01.internal.baidu.com (10.127.64.11) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) 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/light/gp2ap002.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/iio/light/gp2ap002.c b/drivers/iio/light/gp2ap002.c index f960be7d4001..724a3928ead1 100644 --- a/drivers/iio/light/gp2ap002.c +++ b/drivers/iio/light/gp2ap002.c @@ -521,15 +521,14 @@ static int gp2ap002_probe(struct i2c_client *client, } gp2ap002->vdd = devm_regulator_get(dev, "vdd"); - if (IS_ERR(gp2ap002->vdd)) { - dev_err(dev, "failed to get VDD regulator\n"); - return PTR_ERR(gp2ap002->vdd); - } + if (IS_ERR(gp2ap002->vdd)) + return dev_err_probe(dev, PTR_ERR(gp2ap002->vdd), + "failed to get VDD regulator\n"); + gp2ap002->vio = devm_regulator_get(dev, "vio"); - if (IS_ERR(gp2ap002->vio)) { - dev_err(dev, "failed to get VIO regulator\n"); - return PTR_ERR(gp2ap002->vio); - } + if (IS_ERR(gp2ap002->vio)) + return dev_err_probe(dev, PTR_ERR(gp2ap002->vio), + "failed to get VIO regulator\n"); /* Operating voltage 2.4V .. 3.6V according to datasheet */ ret = regulator_set_voltage(gp2ap002->vdd, 2400000, 3600000);