Extended the SMMU_BYPASS_DEV to support SMMU default bypass for some CPU SoCs which the SMMU is not functional well in address translation mode.
This is the version for 4.19 kernel. Guo Hui, if you didn't test patchset based on 1.0 LTS kernel, you can just apply this patch set instead.
Guo Hui (1): arm64: Add MIDR encoding for PHYTIUM CPUs
Hanjun Guo (3): arm64: phytium: using MIDR_PHYTIUM_FT2000PLUS instead of ARM_CPU_IMP_PHYTIUM iommu: dev_bypass: cleanup dev bypass code iommu: smmuv2: Using the SMMU_BYPASS_DEV to bypass SMMU for some SoCs
arch/arm64/include/asm/cputype.h | 5 +++++ arch/arm64/kernel/topology.c | 6 +++--- drivers/iommu/Kconfig | 14 +++++++++++--- drivers/iommu/arm-smmu-v3.c | 2 +- drivers/iommu/arm-smmu.c | 28 ++++++++++++++++++++++++++++ drivers/iommu/iommu.c | 13 ++++--------- drivers/usb/host/xhci-pci.c | 4 +++- 7 files changed, 55 insertions(+), 17 deletions(-)
-- 2.25.1