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: dma: sh: rcar-dmac: avoid to write CHCR.TE to 1 if TCR is set to 0
From: Vinod Koul <vkoul@kernel.org>
Message-Id: <20180709172324.GM22377@vkoul-mobl>
Date: Mon, 9 Jul 2018 22:53:24 +0530
To: Geert Uytterhoeven <geert+renesas@glider.be>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>, dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org
List-ID: <dmaengine.vger.kernel.org>
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