From patchwork Sat Aug 29 06:47:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11744157 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 9BE4A1575 for ; Sat, 29 Aug 2020 06:50:50 +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 75E3520658 for ; Sat, 29 Aug 2020 06:50:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="oRDIZsTT"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="CYy1Zk1i" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 75E3520658 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:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lPxnRtuPB4jr5gU3PRkT+bjdCRfWxzzlcIFDgD+Po6I=; b=oRDIZsTTofrYcb6j7fMYvFb7Tm bcbQIMjBDqeJwewXCcTONtGPeKxOCmtlTC841ezIqhB8tLOOZ45omWxaI5Wuer2Jtf8/Yv252e9fC oRli4xyIPD84Djcy8DndGzor3VjOfXtK6/FLqCLzROAqO0BA0OCockGNbA/boRWGZqH6012YBxnws 2zpjOJOk2y+rCSK1J2zu1awKEwKFt6sAO9Y1UeREp7Ap2TjP44WqO5D0bFtow45RjbQDBBc+YuDp1 5HYyVNWIQMiqXSiQJ3fev7C4Eve8HjSgmnrgAhHqPH/sxLry4/DE1Qqn1kxW3nEW6C/ZgT8PqoqxO AHH89chg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBugv-0003ki-Lz; Sat, 29 Aug 2020 06:50:21 +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 1kBufJ-0002vw-Cu; Sat, 29 Aug 2020 06:48:42 +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 6DBCF214D8; Sat, 29 Aug 2020 06:48:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683720; bh=ZelpFQ0282/QvKyDJRVrg0JcM6UJUGrhhAA87ejo8k8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CYy1Zk1iYCDKzFrBSi2C3ND3V1n6vGPXAg7QK3taHdYEchQmiQU+vbsGs1kVqphQE zEEEyvQBpdQB9NdoY20HEaHc6MvVk7FNVQcANMxwDHSJbMsZpDtwOgifakZJuv/Ctj 6ohXnR3ClgeEw0PjuYD3JQp/PlB5HF2AvPaXEUGg= From: Krzysztof Kozlowski To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Peter Rosin , Michael Hennerich , Marek Vasut , Tomasz Duszynski , 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 v3 11/18] iio: chemical: scd30: Simplify with dev_err_probe() Date: Sat, 29 Aug 2020 08:47:19 +0200 Message-Id: <20200829064726.26268-11-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200829064726.26268-1-krzk@kernel.org> References: <20200829064726.26268-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200829_024841_594950_0DA978B5 X-CRM114-Status: GOOD ( 15.44 ) 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_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: , Cc: Andy Shevchenko , Krzysztof Kozlowski 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 Acked-by: Tomasz Duszynski Reviewed-by: Andy Shevchenko --- Changes since v1: 1. Wrap dev_err_probe() lines at 100 character 2. Add Ack --- drivers/iio/chemical/scd30_core.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c index eac76972f83e..4d0d798c7cd3 100644 --- a/drivers/iio/chemical/scd30_core.c +++ b/drivers/iio/chemical/scd30_core.c @@ -705,13 +705,8 @@ int scd30_probe(struct device *dev, int irq, const char *name, void *priv, indio_dev->available_scan_masks = scd30_scan_masks; state->vdd = devm_regulator_get(dev, "vdd"); - if (IS_ERR(state->vdd)) { - if (PTR_ERR(state->vdd) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(dev, "failed to get regulator\n"); - return PTR_ERR(state->vdd); - } + if (IS_ERR(state->vdd)) + return dev_err_probe(dev, PTR_ERR(state->vdd), "failed to get regulator\n"); ret = regulator_enable(state->vdd); if (ret)