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From:   Christoph Hellwig <hch@lst.de>
To:     Greentime Hu <green.hu@gmail.com>,
        Vincent Chen <deanbo422@gmail.com>
Cc:     iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: [RFC] switch nds32 to use the generic remapping DMA allocator
Date:   Fri, 14 Jun 2019 12:09:27 +0200
Message-Id: <20190614100928.9791-1-hch@lst.de>
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Hi Greentime and Vicent,

can you take a look at the (untested) patch below?  It converts nds32
to use the generic remapping DMA allocator, which is also used by
arm64 and csky.