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: [v3,05/18] dmaengine: dma-jz4780: Use 4-word descriptors
From: Paul Cercueil <paul@crapouillou.net>
Message-Id: <20180721110643.19624-6-paul@crapouillou.net>
Date: Sat, 21 Jul 2018 13:06:30 +0200
To: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Ralf Baechle <ralf@linux-mips.org>, Paul Burton <paul.burton@mips.com>, James Hogan <jhogan@kernel.org>, Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Cc: Mathieu Malaterre <malat@debian.org>, Daniel Silsby <dansilsby@gmail.com>, Paul Cercueil <paul@crapouillou.net>, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org
List-ID: <dmaengine.vger.kernel.org>
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=