Re: [PATCH net] macmace: Set platform device coherent_dma_mask

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On Thu, May 03, 2018 at 10:46:56AM +0200, Geert Uytterhoeven wrote:
Perhaps you can add a new helper (platform_device_register_simple_dma()?)
that takes the DMA mask, too?
With people setting the mask to kill the WARNING splat, this may become
more common.

struct platform_device_info already has a dma_mask field, but
platform_device_register_resndata() explicitly sets it to zero.

Yes, that would be useful.  The other assumption could be that
platform devices always allow an all-0xff dma mask.
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