From mboxrd@z Thu Jan  1 00:00:00 1970
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: [3/6] dma: tegra: fix incorrect case of DMA
From: Dmitry Osipenko <digetx@gmail.com>
Message-Id: <35a2c645-426e-d2c2-b5d9-2511a94d1f0f@gmail.com>
Date: Tue, 6 Nov 2018 16:14:10 +0300
To: Ben Dooks <ben.dooks@codethink.co.uk>, dan.j.williams@intel.com, vkoul@kernel.org
Cc: ldewangan@nvidia.com, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org
List-ID: <dmaengine.vger.kernel.org>
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==