Re: [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@xxxxxx>

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

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



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