From patchwork Wed Aug 26 14:51:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 257332 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=ham 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 CAA5DC433E1 for ; Wed, 26 Aug 2020 14:53:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99C3121741 for ; Wed, 26 Aug 2020 14:53:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598453618; bh=v/Zb3PmGpo5l2DvxNKoEoZ/zVbV6OtENUtPofNroKvs=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=iDmbApuMJZOzxfwMAbSsDran24RtFhlgNcQj76FhbCMTVVFTc5+gLLuFuo41DDrdJ osu6VeUV45aanxoZpLf8705EcPfbUlY62Pa+C9oohn8UWs9hjL+7jWs4xVO11ml2O1 m8yh2H+QyZI3OtCLyPXrAraSpIZ9A2YfUvGS/28o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728274AbgHZOxh (ORCPT ); Wed, 26 Aug 2020 10:53:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:41056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727840AbgHZOxg (ORCPT ); Wed, 26 Aug 2020 10:53:36 -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 06B9A2177B; Wed, 26 Aug 2020 14:53:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598453615; bh=v/Zb3PmGpo5l2DvxNKoEoZ/zVbV6OtENUtPofNroKvs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=G1yTKeODAnBmqu0tCCEEeOyfX9WSgWuaRVB3SQP1H4qDRVlOSt+hpoRkjYlGCBeok gmAK8tht/DTIU8dviczhNyYxIUUm3LiA3INTKD5WTXuyCsmJyzN0tD+pJ8COzkkiWo 7i/+1mvilt2zqVD/ofW0B8ni0jFzO+qcRjHUi2ro= 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 16/16] iio: magnetometer: ak8974: Simplify with dev_err_probe() Date: Wed, 26 Aug 2020 16:51:53 +0200 Message-Id: <20200826145153.10444-16-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-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 --- drivers/iio/magnetometer/ak8974.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index cbb44e401c0a..fa6a8e1a815c 100644 --- a/drivers/iio/magnetometer/ak8974.c +++ b/drivers/iio/magnetometer/ak8974.c @@ -843,15 +843,9 @@ static int ak8974_probe(struct i2c_client *i2c, ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(ak8974->regs), ak8974->regs); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(&i2c->dev, "cannot get regulators: %d\n", ret); - else - dev_dbg(&i2c->dev, - "regulators unavailable, deferring probe\n"); - - return ret; - } + if (ret < 0) + return dev_err_probe(&i2c->dev, ret, + "cannot get regulators\n"); ret = regulator_bulk_enable(ARRAY_SIZE(ak8974->regs), ak8974->regs); if (ret < 0) {