Function prototype or declaration at include/linux/iova.h, line 137 References: drivers/gpu/drm/tegra/drm.c, line 1135 drivers/gpu/host1x/dev.c, line 258 drivers/iommu/dma-iommu.c, line 1451 drivers/iommu/intel/iommu.c, line 3412 drivers/iommu/iova.c, line 309 drivers/iommu/iova.c, line 339 drivers/staging/media/tegra-vde/iommu.c, line 87 drivers/vdpa/vdpa_sim/vdpa_sim.c, line 293 drivers/vdpa/vdpa_user/iova_domain.c, line 539 include/linux/iova.h, line 137 include/linux/iova.h, line 161