Re: [15/15] dma-mapping: bypass indirect calls for dma-direct

[Christoph Hellwig]

On Tue, Dec 18, 2018 at 08:42:46PM +0000, Robin Murphy wrote:
>> [   16.046084] rk_iommu ff8f3f00.iommu: DMA map error for DT
>
> Yup, with this patch as-is, anything which isn't behind an IOMMU will be 
> erroneously banned from DMA entirely - see here:
>
> https://lore.kernel.org/lkml/20181214142435.GA18448@xxxxxx/

FYI, I'm still waiting for a review on that..