From patchwork Thu Aug 27 19:26:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11741483 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D855916B1 for ; Thu, 27 Aug 2020 19:27:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C07C122BF3 for ; Thu, 27 Aug 2020 19:27:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598556458; bh=9WnEmDPaImvJaOTWnFx8b/OSZEA9nx5y8bHKHDlhKUI=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=QB/N2QcryYBHoUygLTWTo9Pb33LQO1UyigMAsyJZi0wa6IK6bls8ujsTU76xFqSZk 1Os3/SDNMo+4vTNPKuG7r8HQhQUKBuX+7UCgjplNm0m/kVyrTuwwE/FtDwtI+76ojF oFornozO8XzXMPH3a3XhdddVzw8/s0Uo7Agsp1IA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726266AbgH0T1i (ORCPT ); Thu, 27 Aug 2020 15:27:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:58468 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726147AbgH0T1h (ORCPT ); Thu, 27 Aug 2020 15:27:37 -0400 Received: from localhost.localdomain (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AF7D722BEA; Thu, 27 Aug 2020 19:27:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598556457; bh=9WnEmDPaImvJaOTWnFx8b/OSZEA9nx5y8bHKHDlhKUI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=S2EpfqrdIG/s0KQe6KaMBJ3NNqM+aQAEaTU2AbvSNF6WKjWIi4iijElsA93Sr+xw3 hj7HOBgbVfqyWCVbaCODneeXlgxLmWbEjbgab2k3j4UwyaS70nE4jlCotJBY5uxLfy pbNIqxcf70lUqcRT2KNkTd4ootECTNn3li8CfU+U= From: Krzysztof Kozlowski To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Peter Rosin , Kukjin Kim , Krzysztof Kozlowski , Michael Hennerich , Kevin Hilman , Neil Armstrong , Jerome Brunet , Martin Blumenstingl , Marek Vasut , Maxime Coquelin , Alexandre Torgue , Beniamin Bia , Tomasz Duszynski , Linus Walleij , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v2 02/18] iio: accel: mma8452: Simplify with dev_err_probe() Date: Thu, 27 Aug 2020 21:26:26 +0200 Message-Id: <20200827192642.1725-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200827192642.1725-1-krzk@kernel.org> References: <20200827192642.1725-1-krzk@kernel.org> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Andy Shevchenko --- drivers/iio/accel/mma8452.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 4e6e70250048..104b87b98455 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1538,22 +1538,14 @@ static int mma8452_probe(struct i2c_client *client, data->chip_info = match->data; data->vdd_reg = devm_regulator_get(&client->dev, "vdd"); - if (IS_ERR(data->vdd_reg)) { - if (PTR_ERR(data->vdd_reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "failed to get VDD regulator!\n"); - return PTR_ERR(data->vdd_reg); - } + if (IS_ERR(data->vdd_reg)) + return dev_err_probe(&client->dev, PTR_ERR(data->vdd_reg), + "failed to get VDD regulator!\n"); data->vddio_reg = devm_regulator_get(&client->dev, "vddio"); - if (IS_ERR(data->vddio_reg)) { - if (PTR_ERR(data->vddio_reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "failed to get VDDIO regulator!\n"); - return PTR_ERR(data->vddio_reg); - } + if (IS_ERR(data->vddio_reg)) + return dev_err_probe(&client->dev, PTR_ERR(data->vddio_reg), + "failed to get VDDIO regulator!\n"); ret = regulator_enable(data->vdd_reg); if (ret) {