Jetpack/kernel/nvidia/drivers/iommu/Kconfig

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config TEGRA_ARM_SMMU_T19x
bool "TEGRA ARM SMMU for T19x"
depends on ARM_SMMU
default n
help
Support for implementations of the ARM System MMU architecture
versions 1 and 2 for T19x based architectures.
Say Y here if your SoC includes an IOMMU device implementing
the ARM SMMU architecture for T19x based architectures.
config ARM_SMMU_SUSPEND
bool "ARM SMMU SUSPEND"
depends on ARM_SMMU
default n
help
Support for ARM System MMU suspend where all the required SMMU
registers will be saved to memory and upon resume warmboot/bootloader
will restore SMMU registers from memory.