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: 9162107 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AF1B360571 for ; Tue, 7 Jun 2016 17:40:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A20692793B for ; Tue, 7 Jun 2016 17:40:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96A8A28350; Tue, 7 Jun 2016 17:40:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 35E122793B for ; Tue, 7 Jun 2016 17:40:49 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAKyR-0007XN-AJ; Tue, 07 Jun 2016 17:39:31 +0000 Received: from mail-wm0-x22d.google.com ([2a00:1450:400c:c09::22d]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1bAKy6-0007An-Oz for linux-arm-kernel@lists.infradead.org; Tue, 07 Jun 2016 17:39:12 +0000 Received: by mail-wm0-x22d.google.com with SMTP id r5so10434888wmr.0 for ; Tue, 07 Jun 2016 10:38:50 -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=Ak8mycruJ3rEbR7jL8uem8ZjiiNzr7J8vGTKR7gwC7vu2PNodg2nSZ9XjlkexkzKLD sccZFnQGnpYeTnKYoByZA/ejCjnDAMOWM6jZlmmb+VB9aErf77LBhJ8Kicy1UDnADYRf mGbiyqZmbKmp+XiVKl929fwllKccwSCXmApGfbPdrBY6Ln6AgSrJLatNY5+zxgR+24Ie 5puv4QjEEYP5tFb1Y0ZlxlJWmsSLLtJeSsAiOz6KbOFdL20OpnRVOHpmyLJqHM9xfDGP cwAuHRdx08zGJE5HPjjxkhHnqgzJfte+0jnAVGtwIbO22aCt5vkrSbZ7QVXKVUZVCwGP N2bg== X-Gm-Message-State: ALyK8tJiUrl476a4HdWBBWtmsAWpYi5beO8JZ55JYupkjiw4D7opk4Dt3kx2FNXkD3ttbWvt 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160607_103911_087189_0BDBA762 X-CRM114-Status: GOOD ( 12.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: 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 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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;