diff options
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index d837adfd1da5..25b834104790 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -550,7 +550,9 @@ static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain, phys_addr_t pa; pa = dom->iop->iova_to_phys(dom->iop, iova); - if (dom->data->enable_4GB && pa >= MTK_IOMMU_4GB_MODE_REMAP_BASE) + if (IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT) && + dom->data->enable_4GB && + pa >= MTK_IOMMU_4GB_MODE_REMAP_BASE) pa &= ~BIT_ULL(32); return pa; |