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: 11741541 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 CB4B014F6 for ; Thu, 27 Aug 2020 19:28:40 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 95D1F207CD for ; Thu, 27 Aug 2020 19:28:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="0U6LMcv1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="YrqYvR2A" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95D1F207CD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sqMb+1HrfQM3SMDJ8EIvObjdJykYkYDEQjbuiv/wyhI=; b=0U6LMcv1lERq6HhJrT7J21SX9H V734o4+opspOakMPfyAG6SPS+/KyGYqCvAcVSzPot+dj80zch6T+Akblylc8gicNxr2AJQQy1toPV GnXwDkF4Nqm58tJDGOnmVlwzhD+oWFkY3T8arOngqsRln4MOUQCHftWuguG60Ml6XtW2oztwzt1x4 wEdwIk8tTLrHaR0X1YAon0XB464GIzv369nBTn6S3mGz34P8oaVJIF0JIqE3jIqgL3t+WRFyqcqgh /e9jU5ras0oW1UTfNTfqB1taAKBPUDlDocej9i/XRG4DwmxiihpjzlazkMdhvKV2cGJkfbjNFF4Ca VSw/vfFw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBNZO-0006MR-9x; Thu, 27 Aug 2020 19:28:22 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBNYz-0006An-30; Thu, 27 Aug 2020 19:27:59 +0000 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200827_152757_248445_CA1802B3 X-CRM114-Status: GOOD ( 15.28 ) X-Spam-Score: -6.2 (------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-6.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -1.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.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 --- 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) {