Re: [RFC PATCH v4 8/8] arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops

2014-11-17 Thread Robin Murphy
Hi Will, On 14/11/14 18:56, Will Deacon wrote: This patch plumbs the existing ARM IOMMU DMA infrastructure (which isn't actually called outside of a few drivers) into arch_setup_dma_ops, so that we can use IOMMUs for DMA transfers in a more generic fashion. Since this significantly complicates

Re: [RFC PATCH v4 8/8] arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops

2014-11-17 Thread Will Deacon
On Mon, Nov 17, 2014 at 11:29:23AM +, Robin Murphy wrote: On 14/11/14 18:56, Will Deacon wrote: This patch plumbs the existing ARM IOMMU DMA infrastructure (which isn't actually called outside of a few drivers) into arch_setup_dma_ops, so that we can use IOMMUs for DMA transfers in a