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    SubjectRe: [PATCH 2/7] au1100fb: fix DMA API abuse
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    On 04/30/2019 01:00 PM, Christoph Hellwig wrote:
    > Virtual addresses return from dma(m)_alloc_coherent are opaque in what
    > backs then, and drivers must not poke into them. Switch the driver
    > to use the generic DMA API mmap helper to avoid these games.
    >
    > Signed-off-by: Christoph Hellwig <hch@lst.de>

    Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

    Best regards,
    --
    Bartlomiej Zolnierkiewicz
    Samsung R&D Institute Poland
    Samsung Electronics

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