From patchwork Tue May 16 23:00:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shreeya Patel X-Patchwork-Id: 683613 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 43780C7EE24 for ; Tue, 16 May 2023 23:04:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231216AbjEPXEJ (ORCPT ); Tue, 16 May 2023 19:04:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229658AbjEPXEI (ORCPT ); Tue, 16 May 2023 19:04:08 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE4CA72AA; Tue, 16 May 2023 16:03:44 -0700 (PDT) Received: from localhost.localdomain (unknown [IPv6:2405:201:0:21ea:73f6:2283:f432:3936]) (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 B232E6605905; Wed, 17 May 2023 00:03:36 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1684278223; bh=APUXpv76gAJ+bvr5pL51Y23+mXfXNgygrnteOrO5pJI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l+Ht+y+fcgjaPk088r5OsjgjFwbFXVgpdc0Nj+zL8zEkWY81HL+LGhORJ/YFLcUC2 DR9xkqjdks0rfhQN13R3eP3pXOMQz1G619FRRKV7BZ3JSuBpS+sZZ8eOypQRHOAxha 1r2ObYvLlzG09yAVsX/rlq1sBz84CjlxYyATNaRTq1vrUqaJhWvmhrfO4ckzXDlScT oUyaRZxtcFqwIQAFOHeQnXRXkltx9N1E2dffYSHdwQpIbv49NLIVDH+M0WGvMN1Bgm Cqa+qBbjL+2BuO5FdpzWjoJ6dXiA5Qf8I6K1Vx8iOobkUdqF2SD4zxxnAhfue8mtVq lwsy+BHDZBJRA== 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 5/7] iio: adc: rockchip_saradc: Use dev_err_probe Date: Wed, 17 May 2023 04:30:49 +0530 Message-Id: <20230516230051.14846-6-shreeya.patel@collabora.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230516230051.14846-1-shreeya.patel@collabora.com> References: <20230516230051.14846-1-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 --- 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 5e1e8575bc76..a52021fd477d 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -418,25 +418,23 @@ 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)) @@ -494,23 +492,20 @@ 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)