From patchwork Thu Aug 27 19:26:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 257324 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61AE9C433E3 for ; Thu, 27 Aug 2020 19:28:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39B5B22CAF for ; Thu, 27 Aug 2020 19:28:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598556484; bh=egvRrbp3SIvUqDFHa2E5ojGok/WhL9H00xW2YWNmE9c=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=QsuImuLXDjG8yqyAH3GDnmdrIGExg0j2uldA1c+7QWcYjdE68ZcMF6XeTq2c4dblF XlWFl6MCKIOHrEJOCGGJJgupyXvgGR4oWxjFNZ13QnyxHLdUhIYfOGfecko8d7BbFC NRUeSYuM5/zHmfwwBiNE4dzO50miJfYSO4xNA2pE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726912AbgH0T16 (ORCPT ); Thu, 27 Aug 2020 15:27:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:58832 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726120AbgH0T14 (ORCPT ); Thu, 27 Aug 2020 15:27:56 -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 8553D22B4D; Thu, 27 Aug 2020 19:27:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598556476; bh=egvRrbp3SIvUqDFHa2E5ojGok/WhL9H00xW2YWNmE9c=; h=From:To:Subject:Date:In-Reply-To:References:From; b=YrqYvR2AFqNkPyVJe8qYG4DwCpi44gE0L+dWdiTNupGsESrLiEdUQ1/dg/fGiy2cE aE4M1q2MnNgR1L12x9H27RkOAvWZKejkBXU8LcGWsGJAXulas6ZLM8WZ9HHczVpBtL PywOhp7u4UvaZ2baefJuOq1Gta7E5W9ikO03GgvQ= 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 05/18] iio: adc: ltc2497: Simplify with dev_err_probe() Date: Thu, 27 Aug 2020 21:26:29 +0200 Message-Id: <20200827192642.1725-5-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-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@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 --- Changes since v1: 1. Wrap dev_err_probe() lines at 100 character --- drivers/iio/adc/ltc2497-core.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/ltc2497-core.c b/drivers/iio/adc/ltc2497-core.c index 9b8fd9c32364..d337ed96bbb0 100644 --- a/drivers/iio/adc/ltc2497-core.c +++ b/drivers/iio/adc/ltc2497-core.c @@ -180,13 +180,8 @@ int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev) return ret; ddata->ref = devm_regulator_get(dev, "vref"); - if (IS_ERR(ddata->ref)) { - if (PTR_ERR(ddata->ref) != -EPROBE_DEFER) - dev_err(dev, "Failed to get vref regulator: %pe\n", - ddata->ref); - - return PTR_ERR(ddata->ref); - } + if (IS_ERR(ddata->ref)) + return dev_err_probe(dev, PTR_ERR(ddata->ref), "Failed to get vref regulator\n"); ret = regulator_enable(ddata->ref); if (ret < 0) {