From patchwork Thu May 25 21:27:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shreeya Patel X-Patchwork-Id: 686237 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 A1FBFC77B7A for ; Thu, 25 May 2023 21:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241003AbjEYV27 (ORCPT ); Thu, 25 May 2023 17:28:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232645AbjEYV24 (ORCPT ); Thu, 25 May 2023 17:28:56 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC428E7A; Thu, 25 May 2023 14:28:33 -0700 (PDT) Received: from localhost.localdomain (unknown [IPv6:2405:201:0:21ea:e49:10dd:40c0:e842]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: shreeya) by madras.collabora.co.uk (Postfix) with ESMTPSA id 18DBE6606E83; Thu, 25 May 2023 22:28:28 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685050112; bh=D27vPfnw18aPYNhUhk1W3Go5MIiPfMAWKC6N6Jt7LbQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XaWkB4Q6bdKk5tFT+QmLTI/tXYZUPcC3yoopnZZhl5JMMbfcR4y+L2Kv1W7tNHA3i 1GwAVEJTyADTACD3rrAQhL6o5g4WO8s+JIOxNeIt9OTp8Rpldg/IUiWOjwR58F9C1l LameiIfIM7N8HczBy21QKHMRxkbRCJXET1j/WGsvKoD6hFymgsB8hA62ICzm0/BDtI SU2HGUszENEE/NOfysXujpv+Vma2yEKBn+GwS3kNQUsC7Gp2d3zGsp1NXvHxbm9RaR TOvfc2zHz06j13k4KpVwNM8b3mg2vrn7h2JwQkZ3/rEzdm8ipTCkz/rhm5Jmxt1jnX zfe33uZhIUIRA== From: Shreeya Patel To: jic23@kernel.org, lars@metafoo.de, heiko@sntech.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, sebastian.reichel@collabora.com Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, gustavo.padovan@collabora.com, serge.broslavsky@collabora.com, Shreeya Patel Subject: [PATCH v2 6/8] iio: adc: rockchip_saradc: Use dev_err_probe Date: Fri, 26 May 2023 02:57:10 +0530 Message-Id: <20230525212712.255406-7-shreeya.patel@collabora.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230525212712.255406-1-shreeya.patel@collabora.com> References: <20230525212712.255406-1-shreeya.patel@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Use dev_err_probe instead of dev_err in probe function, which simplifies code a little bit and prints the error code. Signed-off-by: Shreeya Patel --- Changes in v2 - No changes drivers/iio/adc/rockchip_saradc.c | 45 ++++++++++++++----------------- 1 file changed, 20 insertions(+), 25 deletions(-) diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index ede929d9bca0..54c1c2f018a9 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -424,25 +424,23 @@ static int rockchip_saradc_probe(struct platform_device *pdev) return -ENODEV; indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info)); - if (!indio_dev) { - dev_err(&pdev->dev, "failed allocating iio device\n"); - return -ENOMEM; - } + if (!indio_dev) + return dev_err_probe(&pdev->dev, -ENOMEM, + "failed allocating iio device\n"); + info = iio_priv(indio_dev); match_data = of_device_get_match_data(&pdev->dev); - if (!match_data) { - dev_err(&pdev->dev, "failed to match device\n"); - return -ENODEV; - } + if (!match_data) + return dev_err_probe(&pdev->dev, -ENODEV, + "failed to match device\n"); info->data = match_data; /* Sanity check for possible later IP variants with more channels */ - if (info->data->num_channels > SARADC_MAX_CHANNELS) { - dev_err(&pdev->dev, "max channels exceeded"); - return -EINVAL; - } + if (info->data->num_channels > SARADC_MAX_CHANNELS) + return dev_err_probe(&pdev->dev, -EINVAL, + "max channels exceeded"); info->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(info->regs)) @@ -490,23 +488,20 @@ static int rockchip_saradc_probe(struct platform_device *pdev) * This may become user-configurable in the future. */ ret = clk_set_rate(info->clk, info->data->clk_rate); - if (ret < 0) { - dev_err(&pdev->dev, "failed to set adc clk rate, %d\n", ret); - return ret; - } + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, + "failed to set adc clk rate\n"); ret = regulator_enable(info->vref); - if (ret < 0) { - dev_err(&pdev->dev, "failed to enable vref regulator\n"); - return ret; - } + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, + "failed to enable vref regulator\n"); + ret = devm_add_action_or_reset(&pdev->dev, rockchip_saradc_regulator_disable, info); - if (ret) { - dev_err(&pdev->dev, "failed to register devm action, %d\n", - ret); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to register devm action\n"); ret = regulator_get_voltage(info->vref); if (ret < 0)