Re: [PATCH v2] iommu/dma: Rationalise types for DMA masks

From: Nathan Chancellor
Date: Wed Dec 11 2019 - 14:07:40 EST


On Wed, Dec 11, 2019 at 06:33:26PM +0000, Robin Murphy wrote:
> Since iommu_dma_alloc_iova() combines incoming masks with the u64 bus
> limit, it makes more sense to pass them around in their native u64
> rather than converting to dma_addr_t early. Do that, and resolve the
> remaining type discrepancy against the domain geometry with a cheeky
> cast to keep things simple.
>
> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>

Tested-by: Nathan Chancellor <natechancellor@xxxxxxxxx> # build