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: [v1,3/4] dmaengine: imx-sdma: support dmatest
From: Vinod Koul <vkoul@kernel.org>
Message-Id: <20180710153326.GG3219@vkoul-mobl>
Date: Tue, 10 Jul 2018 21:03:26 +0530
To: Robin Gong <yibin.gong@nxp.com>
Cc: dan.j.williams@intel.com, shawnguo@kernel.org, s.hauer@pengutronix.de, fabio.estevam@nxp.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com
List-ID: <dmaengine.vger.kernel.org>
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