RK_PTE_PAGE_VALID 225 drivers/iommu/rockchip-iommu.c return pte & RK_PTE_PAGE_VALID; RK_PTE_PAGE_VALID 235 drivers/iommu/rockchip-iommu.c return page | flags | RK_PTE_PAGE_VALID; RK_PTE_PAGE_VALID 240 drivers/iommu/rockchip-iommu.c return pte & ~RK_PTE_PAGE_VALID;