Re: [PATCH v2] arm64: dts: qcom: sdm845: Expand soc bus address range

On 16/01/2019 07:49, Bjorn Andersson wrote: > DMA addresses for devices on the soc bus must be constrained to the 36 > address bits that the bus provides. When no IOMMU is present then this > is easy--DMA addresses are just physical addresses and physical > addresses are (by definition) within th

[PATCH v2] arm64: dts: qcom: sdm845: Expand soc bus address range

DMA addresses for devices on the soc bus must be constrained to the 36 address bits that the bus provides. When no IOMMU is present then this is easy--DMA addresses are just physical addresses and physical addresses are (by definition) within the address bits of the bus. When an IOMMU is present,