diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index ed591a2b175b..7ef9c199ab06 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -52,6 +52,7 @@ struct ipmmu_features { bool cache_snoop; unsigned int ctx_offset_base; unsigned int ctx_offset_stride; + unsigned int utlb_offset_base; }; struct ipmmu_vmsa_device { @@ -232,7 +233,7 @@ static void ipmmu_ctx_write_all(struct ipmmu_vmsa_domain *domain, static u32 ipmmu_utlb_reg(struct ipmmu_vmsa_device *mmu, unsigned int reg) { - return reg; + return mmu->features->utlb_offset_base + reg; } static void ipmmu_imuasid_write(struct ipmmu_vmsa_device *mmu, @@ -958,6 +959,7 @@ static const struct ipmmu_features ipmmu_features_default = { .cache_snoop = true, .ctx_offset_base = 0, .ctx_offset_stride = 0x40, + .utlb_offset_base = 0, }; static const struct ipmmu_features ipmmu_features_rcar_gen3 = { @@ -971,6 +973,7 @@ static const struct ipmmu_features ipmmu_features_rcar_gen3 = { .cache_snoop = false, .ctx_offset_base = 0, .ctx_offset_stride = 0x40, + .utlb_offset_base = 0, }; static const struct of_device_id ipmmu_of_ids[] = { |