From patchwork Tue Sep 28 14:19:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522947 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 7F1BCC433EF for ; Tue, 28 Sep 2021 14:20:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B68161246 for ; Tue, 28 Sep 2021 14:20:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240903AbhI1OVu (ORCPT ); Tue, 28 Sep 2021 10:21:50 -0400 Received: from mx22.baidu.com ([220.181.50.185]:48346 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233878AbhI1OVu (ORCPT ); Tue, 28 Sep 2021 10:21:50 -0400 Received: from BJHW-Mail-Ex08.internal.baidu.com (unknown [10.127.64.18]) by Forcepoint Email with ESMTPS id 0CEA2FD94BFD96959CDC; Tue, 28 Sep 2021 22:20:06 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex08.internal.baidu.com (10.127.64.18) 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 22:20:05 +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 22:20:04 +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 v3 1/9] iio: adc: ab8500-gpadc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:47 +0800 Message-ID: <20210928141956.2148-1-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex08_2021-09-28 22:20:06:085 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. Reviewed-by: Linus Walleij Signed-off-by: Cai Huoqing --- v1->v2: Remove the separate line of PTR_ERR(). drivers/iio/adc/ab8500-gpadc.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/iio/adc/ab8500-gpadc.c b/drivers/iio/adc/ab8500-gpadc.c index 7b5212ba5501..c58d0e2ae538 100644 --- a/drivers/iio/adc/ab8500-gpadc.c +++ b/drivers/iio/adc/ab8500-gpadc.c @@ -1146,11 +1146,9 @@ static int ab8500_gpadc_probe(struct platform_device *pdev) /* The VTVout LDO used to power the AB8500 GPADC */ gpadc->vddadc = devm_regulator_get(dev, "vddadc"); - if (IS_ERR(gpadc->vddadc)) { - ret = PTR_ERR(gpadc->vddadc); - dev_err(dev, "failed to get vddadc\n"); - return ret; - } + if (IS_ERR(gpadc->vddadc)) + return dev_err_probe(dev, PTR_ERR(gpadc->vddadc), + "failed to get vddadc\n"); ret = regulator_enable(gpadc->vddadc); if (ret) { From patchwork Tue Sep 28 14:19:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522949 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 D6DACC433F5 for ; Tue, 28 Sep 2021 14:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B34DB61215 for ; Tue, 28 Sep 2021 14:20:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241137AbhI1OVw (ORCPT ); Tue, 28 Sep 2021 10:21:52 -0400 Received: from mx24.baidu.com ([111.206.215.185]:48514 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241003AbhI1OVw (ORCPT ); Tue, 28 Sep 2021 10:21:52 -0400 Received: from BJHW-Mail-Ex02.internal.baidu.com (unknown [10.127.64.12]) by Forcepoint Email with ESMTPS id 446133CB622D7C7A9271; Tue, 28 Sep 2021 22:20:10 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex02.internal.baidu.com (10.127.64.12) 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 22:20:10 +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 22:20:08 +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 v3 2/9] iio: adc: imx7d_adc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:48 +0800 Message-ID: <20210928141956.2148-2-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) 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/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); From patchwork Tue Sep 28 14:19:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12523007 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 BF4C5C433F5 for ; Tue, 28 Sep 2021 14:36:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A767260F6E for ; Tue, 28 Sep 2021 14:36:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241316AbhI1OiU (ORCPT ); Tue, 28 Sep 2021 10:38:20 -0400 Received: from mx22.baidu.com ([220.181.50.185]:60638 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241152AbhI1OiM (ORCPT ); Tue, 28 Sep 2021 10:38:12 -0400 Received: from BJHW-Mail-Ex01.internal.baidu.com (unknown [10.127.64.11]) by Forcepoint Email with ESMTPS id 76BABABF5FD0DB62B957; Tue, 28 Sep 2021 22:20:17 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex01.internal.baidu.com (10.127.64.11) 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 22:20:17 +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 22:20:16 +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 v3 3/9] iio: adc: lpc18xx_adc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:49 +0800 Message-ID: <20210928141956.2148-3-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) 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 --- v1->v2: Remove the separate line of PTR_ERR(). drivers/iio/adc/lpc18xx_adc.c | 14 ++++++-------- 1 file changed, 6 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 +137,17 @@ 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; From patchwork Tue Sep 28 14:19:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522951 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 7B837C4332F for ; Tue, 28 Sep 2021 14:20:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6953661288 for ; Tue, 28 Sep 2021 14:20:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241161AbhI1OWG (ORCPT ); Tue, 28 Sep 2021 10:22:06 -0400 Received: from mx24.baidu.com ([111.206.215.185]:48858 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241203AbhI1OWE (ORCPT ); Tue, 28 Sep 2021 10:22:04 -0400 Received: from BJHW-Mail-Ex11.internal.baidu.com (unknown [10.127.64.34]) by Forcepoint Email with ESMTPS id AE35FBE4A2BB5652BBAB; Tue, 28 Sep 2021 22:20:23 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex11.internal.baidu.com (10.127.64.34) 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 22:20:23 +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 22:20:22 +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 v3 4/9] iio: adc: max1118: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:50 +0800 Message-ID: <20210928141956.2148-4-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) 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/adc/max1118.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/max1118.c b/drivers/iio/adc/max1118.c index 8cec9d949083..a41bc570be21 100644 --- a/drivers/iio/adc/max1118.c +++ b/drivers/iio/adc/max1118.c @@ -221,10 +221,9 @@ static int max1118_probe(struct spi_device *spi) if (id->driver_data == max1118) { adc->reg = devm_regulator_get(&spi->dev, "vref"); - if (IS_ERR(adc->reg)) { - dev_err(&spi->dev, "failed to get vref regulator\n"); - return PTR_ERR(adc->reg); - } + if (IS_ERR(adc->reg)) + return dev_err_probe(&spi->dev, PTR_ERR(adc->reg), + "failed to get vref regulator\n"); ret = regulator_enable(adc->reg); if (ret) return ret; From patchwork Tue Sep 28 14:19:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522953 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 8F8EBC433F5 for ; Tue, 28 Sep 2021 14:20:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69BCB61213 for ; Tue, 28 Sep 2021 14:20:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241203AbhI1OWL (ORCPT ); Tue, 28 Sep 2021 10:22:11 -0400 Received: from mx22.baidu.com ([220.181.50.185]:49006 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241250AbhI1OWL (ORCPT ); Tue, 28 Sep 2021 10:22:11 -0400 Received: from BJHW-Mail-Ex10.internal.baidu.com (unknown [10.127.64.33]) by Forcepoint Email with ESMTPS id 02B3954948E5B884FAF2; Tue, 28 Sep 2021 22:20:28 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex10.internal.baidu.com (10.127.64.33) 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 22:20:27 +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 22:20:26 +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 v3 5/9] iio: adc: max1241: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:51 +0800 Message-ID: <20210928141956.2148-5-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex10_2021-09-28 22:20:27:974 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/max1241.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/iio/adc/max1241.c b/drivers/iio/adc/max1241.c index b60f8448f21a..130ca8dc6fa0 100644 --- a/drivers/iio/adc/max1241.c +++ b/drivers/iio/adc/max1241.c @@ -148,10 +148,9 @@ static int max1241_probe(struct spi_device *spi) mutex_init(&adc->lock); adc->vdd = devm_regulator_get(dev, "vdd"); - if (IS_ERR(adc->vdd)) { - dev_err(dev, "failed to get vdd regulator\n"); - return PTR_ERR(adc->vdd); - } + if (IS_ERR(adc->vdd)) + return dev_err_probe(dev, PTR_ERR(adc->vdd), + "failed to get vdd regulator\n"); ret = regulator_enable(adc->vdd); if (ret) @@ -164,10 +163,9 @@ static int max1241_probe(struct spi_device *spi) } adc->vref = devm_regulator_get(dev, "vref"); - if (IS_ERR(adc->vref)) { - dev_err(dev, "failed to get vref regulator\n"); - return PTR_ERR(adc->vref); - } + if (IS_ERR(adc->vref)) + return dev_err_probe(dev, PTR_ERR(adc->vref), + "failed to get vref regulator\n"); ret = regulator_enable(adc->vref); if (ret) From patchwork Tue Sep 28 14:19:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522955 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 1FD29C43217 for ; Tue, 28 Sep 2021 14:20:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 01BB461215 for ; Tue, 28 Sep 2021 14:20:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241253AbhI1OWN (ORCPT ); Tue, 28 Sep 2021 10:22:13 -0400 Received: from mx24.baidu.com ([111.206.215.185]:49142 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241244AbhI1OWM (ORCPT ); Tue, 28 Sep 2021 10:22:12 -0400 Received: from BJHW-Mail-Ex13.internal.baidu.com (unknown [10.127.64.36]) by Forcepoint Email with ESMTPS id 63ADA635ED54FF3630B8; Tue, 28 Sep 2021 22:20:31 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) 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 22:20:31 +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 22:20:29 +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 v3 6/9] iio: adc: meson_saradc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:52 +0800 Message-ID: <20210928141956.2148-6-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex13_2021-09-28 22:20:31:410 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 Reviewed-by: Martin Blumenstingl Reviewed-by: Martin Blumenstingl Tested-by: Martin Blumenstingl --- v1->v2: Remove the separate line of PTR_ERR(). drivers/iio/adc/meson_saradc.c | 39 +++++++++++++----------------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 705d5e11a54b..014a77f98b98 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -1230,35 +1230,31 @@ static int meson_sar_adc_probe(struct platform_device *pdev) return ret; priv->clkin = devm_clk_get(&pdev->dev, "clkin"); - if (IS_ERR(priv->clkin)) { - dev_err(&pdev->dev, "failed to get clkin\n"); - return PTR_ERR(priv->clkin); - } + if (IS_ERR(priv->clkin)) + return dev_err_probe(&pdev->dev, PTR_ERR(priv->clkin), + "failed to get clkin\n"); priv->core_clk = devm_clk_get(&pdev->dev, "core"); - if (IS_ERR(priv->core_clk)) { - dev_err(&pdev->dev, "failed to get core clk\n"); - return PTR_ERR(priv->core_clk); - } + if (IS_ERR(priv->core_clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(priv->core_clk), + "failed to get core clk\n"); priv->adc_clk = devm_clk_get(&pdev->dev, "adc_clk"); if (IS_ERR(priv->adc_clk)) { - if (PTR_ERR(priv->adc_clk) == -ENOENT) { + if (PTR_ERR(priv->adc_clk) == -ENOENT) priv->adc_clk = NULL; - } else { - dev_err(&pdev->dev, "failed to get adc clk\n"); - return PTR_ERR(priv->adc_clk); - } + else + return dev_err_probe(&pdev->dev, PTR_ERR(priv->adc_clk), + "failed to get adc clk\n"); } priv->adc_sel_clk = devm_clk_get(&pdev->dev, "adc_sel"); if (IS_ERR(priv->adc_sel_clk)) { - if (PTR_ERR(priv->adc_sel_clk) == -ENOENT) { + if (PTR_ERR(priv->adc_sel_clk) == -ENOENT) priv->adc_sel_clk = NULL; - } else { - dev_err(&pdev->dev, "failed to get adc_sel clk\n"); - return PTR_ERR(priv->adc_sel_clk); - } + else + return dev_err_probe(&pdev->dev, PTR_ERR(priv->adc_sel_clk), + "failed to get adc_sel clk\n"); } /* on pre-GXBB SoCs the SAR ADC itself provides the ADC clock: */ @@ -1265,10 +1265,9 @@ static int meson_sar_adc_probe(struct platform_device *pdev) } priv->vref = devm_regulator_get(&pdev->dev, "vref"); - if (IS_ERR(priv->vref)) { - dev_err(&pdev->dev, "failed to get vref regulator\n"); - return PTR_ERR(priv->vref); - } + if (IS_ERR(priv->vref)) + return dev_err_probe(&pdev->dev, PTR_ERR(priv->vref), + "failed to get vref regulator\n"); priv->calibscale = MILLION; From patchwork Tue Sep 28 14:19:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522957 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 604F5C433EF for ; Tue, 28 Sep 2021 14:20:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C9DC61215 for ; Tue, 28 Sep 2021 14:20:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241275AbhI1OWQ (ORCPT ); Tue, 28 Sep 2021 10:22:16 -0400 Received: from mx24.baidu.com ([111.206.215.185]:49274 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241267AbhI1OWQ (ORCPT ); Tue, 28 Sep 2021 10:22:16 -0400 Received: from BJHW-Mail-Ex14.internal.baidu.com (unknown [10.127.64.37]) by Forcepoint Email with ESMTPS id F0E44CBCA506C48BBD52; Tue, 28 Sep 2021 22:20:34 +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 22:20:34 +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 22:20:33 +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 v3 7/9] iio: adc: qcom-pm8xxx-xoadc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:53 +0800 Message-ID: <20210928141956.2148-7-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex14_2021-09-28 22:20:34:905 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. BTW, change the return value from 'ENXIO' to 'ENODEV', perfer ENODEV which means no such device. Signed-off-by: Cai Huoqing Reviewed-by: Linus Walleij --- v2->v3: Update the changelog. drivers/iio/adc/qcom-pm8xxx-xoadc.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/iio/adc/qcom-pm8xxx-xoadc.c b/drivers/iio/adc/qcom-pm8xxx-xoadc.c index 0610bf254771..21d7eff645c3 100644 --- a/drivers/iio/adc/qcom-pm8xxx-xoadc.c +++ b/drivers/iio/adc/qcom-pm8xxx-xoadc.c @@ -910,16 +910,15 @@ static int pm8xxx_xoadc_probe(struct platform_device *pdev) map = dev_get_regmap(dev->parent, NULL); if (!map) { dev_err(dev, "parent regmap unavailable.\n"); - return -ENXIO; + return -ENODEV; } adc->map = map; /* Bring up regulator */ adc->vref = devm_regulator_get(dev, "xoadc-ref"); - if (IS_ERR(adc->vref)) { - dev_err(dev, "failed to get XOADC VREF regulator\n"); - return PTR_ERR(adc->vref); - } + if (IS_ERR(adc->vref)) + return dev_err_probe(dev, PTR_ERR(adc->vref), + "failed to get XOADC VREF regulator\n"); ret = regulator_enable(adc->vref); if (ret) { dev_err(dev, "failed to enable XOADC VREF regulator\n"); From patchwork Tue Sep 28 14:19:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522959 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 43BF9C433F5 for ; Tue, 28 Sep 2021 14:20:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D2C86127A for ; Tue, 28 Sep 2021 14:20:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241252AbhI1OWT (ORCPT ); Tue, 28 Sep 2021 10:22:19 -0400 Received: from mx24.baidu.com ([111.206.215.185]:49274 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241267AbhI1OWS (ORCPT ); Tue, 28 Sep 2021 10:22:18 -0400 Received: from BJHW-Mail-Ex15.internal.baidu.com (unknown [10.127.64.38]) by Forcepoint Email with ESMTPS id 523BC493CB6E644C1996; Tue, 28 Sep 2021 22:20:38 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex15.internal.baidu.com (10.127.64.38) 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 22:20:38 +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 22:20:36 +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 v3 8/9] iio: adc: rockchip_saradc: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:54 +0800 Message-ID: <20210928141956.2148-8-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex15_2021-09-28 22:20:38:298 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 --- v1->v2: Remove the separate line of PTR_ERR(). drivers/iio/adc/rockchip_saradc.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index a56a0d7337ca..57419ccb3c70 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -392,11 +392,9 @@ static int rockchip_saradc_probe(struct platform_device *pdev) } info->vref = devm_regulator_get(&pdev->dev, "vref"); - if (IS_ERR(info->vref)) { - dev_err(&pdev->dev, "failed to get regulator, %ld\n", - PTR_ERR(info->vref)); - return PTR_ERR(info->vref); - } + if (IS_ERR(info->vref)) + return dev_err_probe(&pdev->dev, PTR_ERR(info->vref), + "failed to get regulator\n"); if (info->reset) rockchip_saradc_reset_controller(info->reset); From patchwork Tue Sep 28 14:19:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12522961 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 5136CC433EF for ; Tue, 28 Sep 2021 14:20:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3CF9B6127C for ; Tue, 28 Sep 2021 14:20:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241304AbhI1OWW (ORCPT ); Tue, 28 Sep 2021 10:22:22 -0400 Received: from mx24.baidu.com ([111.206.215.185]:49274 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241299AbhI1OWW (ORCPT ); Tue, 28 Sep 2021 10:22:22 -0400 Received: from BJHW-Mail-Ex12.internal.baidu.com (unknown [10.127.64.35]) by Forcepoint Email with ESMTPS id A8276E2D4722719671E6; Tue, 28 Sep 2021 22:20:41 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex12.internal.baidu.com (10.127.64.35) 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 22:20:41 +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 22:20:40 +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 v3 9/9] iio: adc: ti-ads7950: Make use of the helper function dev_err_probe() Date: Tue, 28 Sep 2021 22:19:55 +0800 Message-ID: <20210928141956.2148-9-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210928141956.2148-1-caihuoqing@baidu.com> References: <20210928141956.2148-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex12_2021-09-28 22:20:41:697 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/ti-ads7950.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c index a2b83f0bd526..a7efa3eada2c 100644 --- a/drivers/iio/adc/ti-ads7950.c +++ b/drivers/iio/adc/ti-ads7950.c @@ -600,8 +600,8 @@ static int ti_ads7950_probe(struct spi_device *spi) st->reg = devm_regulator_get(&spi->dev, "vref"); if (IS_ERR(st->reg)) { - dev_err(&spi->dev, "Failed to get regulator \"vref\"\n"); - ret = PTR_ERR(st->reg); + ret = dev_err_probe(&spi->dev, PTR_ERR(st->reg), + "Failed to get regulator \"vref\"\n"); goto error_destroy_mutex; }