From: Christoph Hellwig <hch@xxxxxx> Date: Fri, 15 Feb 2019 15:45:57 +0100 > We've been moving to a model where the device just sets the DMA mask > supported by it, instead of having to fallback to something it thinks > the platform might support. Sparc64 is the remaining holdout forcing > drivers to supply a matching mask. Change dma_4u_supported to just > check if the supplied dma mask is large enough as nothing in the > iommu.c code (or the core DMA code) actually looks at the DMA mask > later on. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
