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 B0640C433E2 for ; Sat, 29 Aug 2020 06:48:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F19D21473 for ; Sat, 29 Aug 2020 06:48:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683727; bh=SNQEDWZSEyuEV44lUPa7TZAgyAUN1wW018JYD+wKFHE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mGh+Bl5IK8VcablLju7RwEBtB+cxfglUEtLksIYTg2x2ETAn3rPjY6hGlX1Q4dCjQ HL4F8/fWjTprFcZXjHsQPkq/ZVWRDJoLbgzhwcV3d6zLTh9HA3aDQFmN2uu/hWzOVJ I3QUhjoLV1LUVwA6bnnQLBskES41ONbBMJEE08bU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727822AbgH2Gsp (ORCPT ); Sat, 29 Aug 2020 02:48:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:41850 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727784AbgH2Gso (ORCPT ); Sat, 29 Aug 2020 02:48:44 -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 EC00321548; Sat, 29 Aug 2020 06:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683724; bh=SNQEDWZSEyuEV44lUPa7TZAgyAUN1wW018JYD+wKFHE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H0flPPFNaEIomrsd1SRrqn4dBuFpTvrWIKJVqoyaufENRJH25akJyOI3O8AxE1eMG dPx37vRWagc1jIxtsAoiOHiwK2Mn9EFDLWkkmr8MGdaCIpSa2NJsQ8ElCTxyKZ0ye/ WDVFpiTqyJ/11Y914cvy/Q78MEuHLKNQorJPCVPE= 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 Cc: Andy Shevchenko , Krzysztof Kozlowski Subject: [PATCH v3 12/18] iio: dac: dpot-dac: Simplify with dev_err_probe() Date: Sat, 29 Aug 2020 08:47:20 +0200 Message-Id: <20200829064726.26268-12-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> 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 Reviewed-by: Andy Shevchenko --- drivers/iio/dac/dpot-dac.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c index be61c3b01e8b..2258535b8a42 100644 --- a/drivers/iio/dac/dpot-dac.c +++ b/drivers/iio/dac/dpot-dac.c @@ -183,18 +183,14 @@ static int dpot_dac_probe(struct platform_device *pdev) indio_dev->num_channels = 1; dac->vref = devm_regulator_get(dev, "vref"); - if (IS_ERR(dac->vref)) { - if (PTR_ERR(dac->vref) != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to get vref regulator\n"); - return PTR_ERR(dac->vref); - } + if (IS_ERR(dac->vref)) + return dev_err_probe(&pdev->dev, PTR_ERR(dac->vref), + "failed to get vref regulator\n"); dac->dpot = devm_iio_channel_get(dev, "dpot"); - if (IS_ERR(dac->dpot)) { - if (PTR_ERR(dac->dpot) != -EPROBE_DEFER) - dev_err(dev, "failed to get dpot input channel\n"); - return PTR_ERR(dac->dpot); - } + if (IS_ERR(dac->dpot)) + return dev_err_probe(&pdev->dev, PTR_ERR(dac->dpot), + "failed to get dpot input channel\n"); ret = iio_get_channel_type(dac->dpot, &type); if (ret < 0) -- 2.17.1 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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 6ECAAC433E7 for ; Sat, 29 Aug 2020 06:52:16 +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 40317212CC for ; Sat, 29 Aug 2020 06:52:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ESxzTdq9"; 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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kBuhJ-0003yN-2U; Sat, 29 Aug 2020 06:50:45 +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 1kBufM-0002xT-K7; Sat, 29 Aug 2020 06:48:45 +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 EC00321548; Sat, 29 Aug 2020 06:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683724; bh=SNQEDWZSEyuEV44lUPa7TZAgyAUN1wW018JYD+wKFHE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H0flPPFNaEIomrsd1SRrqn4dBuFpTvrWIKJVqoyaufENRJH25akJyOI3O8AxE1eMG dPx37vRWagc1jIxtsAoiOHiwK2Mn9EFDLWkkmr8MGdaCIpSa2NJsQ8ElCTxyKZ0ye/ WDVFpiTqyJ/11Y914cvy/Q78MEuHLKNQorJPCVPE= 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 12/18] iio: dac: dpot-dac: Simplify with dev_err_probe() Date: Sat, 29 Aug 2020 08:47:20 +0200 Message-Id: <20200829064726.26268-12-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_024844_844059_8F8FD8AC X-CRM114-Status: GOOD ( 14.50 ) X-BeenThere: linux-arm-kernel@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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.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 --- drivers/iio/dac/dpot-dac.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c index be61c3b01e8b..2258535b8a42 100644 --- a/drivers/iio/dac/dpot-dac.c +++ b/drivers/iio/dac/dpot-dac.c @@ -183,18 +183,14 @@ static int dpot_dac_probe(struct platform_device *pdev) indio_dev->num_channels = 1; dac->vref = devm_regulator_get(dev, "vref"); - if (IS_ERR(dac->vref)) { - if (PTR_ERR(dac->vref) != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to get vref regulator\n"); - return PTR_ERR(dac->vref); - } + if (IS_ERR(dac->vref)) + return dev_err_probe(&pdev->dev, PTR_ERR(dac->vref), + "failed to get vref regulator\n"); dac->dpot = devm_iio_channel_get(dev, "dpot"); - if (IS_ERR(dac->dpot)) { - if (PTR_ERR(dac->dpot) != -EPROBE_DEFER) - dev_err(dev, "failed to get dpot input channel\n"); - return PTR_ERR(dac->dpot); - } + if (IS_ERR(dac->dpot)) + return dev_err_probe(&pdev->dev, PTR_ERR(dac->dpot), + "failed to get dpot input channel\n"); ret = iio_get_channel_type(dac->dpot, &type); if (ret < 0) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 5249AC433E6 for ; Sat, 29 Aug 2020 06:50:35 +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 2054B20658 for ; Sat, 29 Aug 2020 06:50:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VNIm39TS"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="H0flPPFN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2054B20658 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+linux-amlogic=archiver.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; 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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683724; bh=SNQEDWZSEyuEV44lUPa7TZAgyAUN1wW018JYD+wKFHE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H0flPPFNaEIomrsd1SRrqn4dBuFpTvrWIKJVqoyaufENRJH25akJyOI3O8AxE1eMG dPx37vRWagc1jIxtsAoiOHiwK2Mn9EFDLWkkmr8MGdaCIpSa2NJsQ8ElCTxyKZ0ye/ WDVFpiTqyJ/11Y914cvy/Q78MEuHLKNQorJPCVPE= 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 12/18] iio: dac: dpot-dac: Simplify with dev_err_probe() Date: Sat, 29 Aug 2020 08:47:20 +0200 Message-Id: <20200829064726.26268-12-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_024844_844059_8F8FD8AC X-CRM114-Status: GOOD ( 14.50 ) 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.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 --- drivers/iio/dac/dpot-dac.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c index be61c3b01e8b..2258535b8a42 100644 --- a/drivers/iio/dac/dpot-dac.c +++ b/drivers/iio/dac/dpot-dac.c @@ -183,18 +183,14 @@ static int dpot_dac_probe(struct platform_device *pdev) indio_dev->num_channels = 1; dac->vref = devm_regulator_get(dev, "vref"); - if (IS_ERR(dac->vref)) { - if (PTR_ERR(dac->vref) != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to get vref regulator\n"); - return PTR_ERR(dac->vref); - } + if (IS_ERR(dac->vref)) + return dev_err_probe(&pdev->dev, PTR_ERR(dac->vref), + "failed to get vref regulator\n"); dac->dpot = devm_iio_channel_get(dev, "dpot"); - if (IS_ERR(dac->dpot)) { - if (PTR_ERR(dac->dpot) != -EPROBE_DEFER) - dev_err(dev, "failed to get dpot input channel\n"); - return PTR_ERR(dac->dpot); - } + if (IS_ERR(dac->dpot)) + return dev_err_probe(&pdev->dev, PTR_ERR(dac->dpot), + "failed to get dpot input channel\n"); ret = iio_get_channel_type(dac->dpot, &type); if (ret < 0) -- 2.17.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic