Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

On Mon, Feb 8, 2016 at 4:48 PM, Mark Rutland wrote: > On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: > > To allow use of large memory (> 4Gb) with 32bit devices we need to use > > IOMMU based DMA mappings for such 32bit devices. The IOMMU dt-bindings > > allows

Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: > To allow use of large memory (> 4Gb) with 32bit devices we need to use > IOMMU based DMA mappings for such 32bit devices. The IOMMU dt-bindings > allows us do this by specifying 'iommus' attribute in 32bit device DT > node.

Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

On Mon, Feb 8, 2016 at 4:48 PM, Mark Rutland wrote: > On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: >> To allow use of large memory (> 4Gb) with 32bit devices we need to use >> IOMMU based DMA mappings for such 32bit devices. The IOMMU dt-bindings >> allows us

Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

On Mon, Feb 08, 2016 at 06:13:11PM +0530, Anup Patel wrote: > On Mon, Feb 8, 2016 at 4:48 PM, Mark Rutland wrote: > > On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: > >> To allow use of large memory (> 4Gb) with 32bit devices we need to use > >> IOMMU based DMA