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The Linux kernel configuration item CONFIG_ARM_SMMU_QCOM_DEBUG
:
CONFIG_ARM_SMMU_QCOM
Support for implementation specific debug features in ARM SMMU hardware found in QTI platforms.
Say Y here to enable debug for issues such as TLB sync timeouts which requires implementation defined register dumps.
Raw data from LKDDb:
lkddb of "" "" "qcom,msm8998-smmu-v2" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,qcm2290-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sc7180-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sc7280-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sc8180x-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sc8280xp-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sdm630-smmu-v2" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sdm845-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sm6125-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sm6350-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sm8150-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sm8250-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sm8350-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
lkddb of "" "" "qcom,sm8450-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
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Automatically generated (in year 2023). See also LKDDb sources on GitLab