From: AngeloGioacchino Del Regno <[email protected]> At least some Qualcomm SoCs do need to override the function arm_smmu_test_smr_masks entirely: add a test_smr_masks function to the implementation details structure and call it properly.
Signed-off-by: AngeloGioacchino Del Regno <[email protected]> --- drivers/iommu/arm/arm-smmu/arm-smmu.c | 6 ++++++ drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 09c42af9f31e..446a78dde9cd 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -977,6 +977,12 @@ static void arm_smmu_test_smr_masks(struct arm_smmu_device *smmu) if (!smmu->smrs) return; + + if (smmu->impl && smmu->impl->test_smr_masks) { + smmu->impl->test_smr_masks(smmu); + return; + } + /* * If we've had to accommodate firmware memory regions, we may * have live SMRs by now; tread carefully... diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h index d890a4a968e8..2cd3d126f675 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.h +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h @@ -387,6 +387,7 @@ struct arm_smmu_impl { int (*cfg_probe)(struct arm_smmu_device *smmu); int (*reset)(struct arm_smmu_device *smmu); int (*init_context)(struct arm_smmu_domain *smmu_domain); + void (*test_smr_masks)(struct arm_smmu_device *smmu); void (*tlb_sync)(struct arm_smmu_device *smmu, int page, int sync, int status); int (*def_domain_type)(struct device *dev); -- 2.28.0
