From mboxrd@z Thu Jan 1 00:00:00 1970 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 18116C433E1 for ; Wed, 26 Aug 2020 14:52:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D794D21741 for ; Wed, 26 Aug 2020 14:52:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598453567; bh=mbBY3f6IkcYP5UmsdfBs0Q121Pfo6ZsXqMxj84C8/3I=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=LWjPrVtYrwRRlboFdtXJQUS8EFY+Pt/SM3AbJukmUT5zD60VvHEThujbex6VEkvlE W38Kcah//feLEclt8rituqZUMhjmOsVbRcYAb5U9GdXon1HzRq755TcEQ+u51KM1nG TmTKihQ5bw0AYYMenMqMipkR7bA3qlj7zfSK79no= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728157AbgHZOwo (ORCPT ); Wed, 26 Aug 2020 10:52:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:38952 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727103AbgHZOwa (ORCPT ); Wed, 26 Aug 2020 10:52:30 -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 1ABD422B47; Wed, 26 Aug 2020 14:52:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598453550; bh=mbBY3f6IkcYP5UmsdfBs0Q121Pfo6ZsXqMxj84C8/3I=; h=From:To:Subject:Date:In-Reply-To:References:From; b=rB7PYhCcZUbVXTNWIxUq3/hcQjjDTXkjrfU3ygh4GZvyLFhEW1z8v4VlGLqOqeQ6u 66XzLFpv+MgP3RqBh/tnxe6osJhbstejzE0wboV5gK1fGX9LzGAXwIFpjlciotio6E xH+Yfg9ZhHN9H/nprX/O+zTjHcjpap6WjiYFSHvI= 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 , Jonathan Bakker , Alexandru Ardelean , 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 05/16] iio: adc: ltc2497: Simplify with dev_err_probe() Date: Wed, 26 Aug 2020 16:51:42 +0200 Message-Id: <20200826145153.10444-5-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200826145153.10444-1-krzk@kernel.org> References: <20200826145153.10444-1-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 --- drivers/iio/adc/ltc2497-core.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/ltc2497-core.c b/drivers/iio/adc/ltc2497-core.c index 9b8fd9c32364..2a485c8a1940 100644 --- a/drivers/iio/adc/ltc2497-core.c +++ b/drivers/iio/adc/ltc2497-core.c @@ -180,13 +180,9 @@ 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) { -- 2.17.1