From patchwork Tue Jun 7 17:38:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Griffin X-Patchwork-Id: 631817 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rPQ534m1Kz9t3k for ; Wed, 8 Jun 2016 07:41:59 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b=HlN/gIJ9; dkim-atps=neutral Received: from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3rPQ533h6QzDr45 for ; Wed, 8 Jun 2016 07:41:59 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b=HlN/gIJ9; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mail-wm0-f44.google.com (mail-wm0-f44.google.com [74.125.82.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rPJjg6K62zDqG1 for ; Wed, 8 Jun 2016 03:39:51 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b=HlN/gIJ9; dkim-atps=neutral Received: by mail-wm0-f44.google.com with SMTP id m124so124420280wme.1 for ; Tue, 07 Jun 2016 10:39:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=OckL4mC3EUT6Wz21MhYWKkmJqedQEVeY+SWcs4BHWWQ=; b=HlN/gIJ92txnBJUyvFTBMH8T6Q8GxhLp3UKPC2GvY5Knh9Yu+3jcDWMoSdDR6OLTHN D/BfO2FmlKNdUPQ8fPfbcrizFmPAEBLK4t/20h8ERMYMw3yXimOGOnbZFwrXf+jx65yO hk1X7/0ji0s5ByFXZj5gKKmrE4zrVJ+8W2+vI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=OckL4mC3EUT6Wz21MhYWKkmJqedQEVeY+SWcs4BHWWQ=; b=hnilppoBmjpxlQLF/g32F517lrjh8xT6zOxM4AokMdQEmQRCRHKk0zr4LffKG3EUjV yEmTHO3YMdxDB4VrBJAKpn1Nqq/7hXJATjky7VXC3phitDNLV0R9EFmHyi1/0BUJ/1nz mEHDKuh/UAnLjRfseXazTcj9POqKal+h2oMLN0zD35LH22NMV61FdPD0qexzo0BGnlcR Y7RTkuk2U2+njym6oaKdKjt16RJY2xJHYF8362pccVxFmvbtqm6ekh6rsMEYeJJlywoH bja5UhxIdvZMKiffKHZNNNm8mpLBW48/wW1Mc03F44IkHJ6qWjPTvIYiYjDBUMhjyzLz bPqA== X-Gm-Message-State: ALyK8tKry0UUJvCjM4dCviu76lBzozhENoSv4DC+9HIbpB2RoNbRB59F68yZgvjBD2NM14MV X-Received: by 10.194.163.166 with SMTP id yj6mr556223wjb.116.1465321129076; Tue, 07 Jun 2016 10:38:49 -0700 (PDT) Received: from localhost.localdomain (cpc84731-aztw28-2-0-cust112.18-1.cable.virginm.net. [82.37.67.113]) by smtp.gmail.com with ESMTPSA id h8sm1310031wjg.9.2016.06.07.10.38.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 07 Jun 2016 10:38:48 -0700 (PDT) From: Peter Griffin To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@stlinux.com, vinod.koul@intel.com, linus.walleij@linaro.org, dan.j.williams@intel.com, leoli@freescale.com, zw@zh-kernel.org, baohua@kernel.org, maxime.ripard@free-electrons.com, wens@csie.org, ldewangan@nvidia.com, jonathanh@nvidia.com, swarren@wwwdotorg.org, thierry.reding@gmail.com, gnurou@gmail.com Subject: [PATCH 2/8] dmaengine: fsl-edma: print error code in error messages. Date: Tue, 7 Jun 2016 18:38:35 +0100 Message-Id: <1465321121-22238-3-git-send-email-peter.griffin@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465321121-22238-1-git-send-email-peter.griffin@linaro.org> References: <1465321121-22238-1-git-send-email-peter.griffin@linaro.org> X-Mailman-Approved-At: Wed, 08 Jun 2016 07:37:26 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.griffin@linaro.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, lee.jones@linaro.org, linuxppc-dev@lists.ozlabs.org MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" It is useful to print the error code as part of the error message. Signed-off-by: Peter Griffin --- drivers/dma/fsl-edma.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index 7208fc9..cc06eea 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -963,14 +963,16 @@ static int fsl_edma_probe(struct platform_device *pdev) ret = dma_async_device_register(&fsl_edma->dma_dev); if (ret) { - dev_err(&pdev->dev, "Can't register Freescale eDMA engine.\n"); + dev_err(&pdev->dev, + "Can't register Freescale eDMA engine. (%d)\n", ret); fsl_disable_clocks(fsl_edma); return ret; } ret = of_dma_controller_register(np, fsl_edma_xlate, fsl_edma); if (ret) { - dev_err(&pdev->dev, "Can't register Freescale eDMA of_dma.\n"); + dev_err(&pdev->dev, + "Can't register Freescale eDMA of_dma. (%d)\n", ret); dma_async_device_unregister(&fsl_edma->dma_dev); fsl_disable_clocks(fsl_edma); return ret;