Re: [PATCH v3 2/4] soc: qcom: Add GENI based QUP Wrapper driver

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On Thu, Mar 08, 2018 at 01:24:45PM +0000, Robin Murphy wrote:
> Implementing dma_map_ops inside a driver for real hardware is almost always 
> the wrong thing to do.

Agreed.  dma_map_ops should be a platform decision based on the bus.

Even our dma_virt_ops basically just works around bad driver layering.
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