Function prototype or declaration at include/linux/iommu.h, line 217 References: arch/powerpc/kernel/iommu.c, line 1157 drivers/iommu/arm-smmu.c, line 1384 drivers/iommu/exynos-iommu.c, line 1169 drivers/iommu/fsl_pamu_domain.c, line 993 drivers/iommu/iommu.c, line 318 drivers/iommu/iommu.c, line 377 drivers/iommu/iommu.c, line 725 drivers/iommu/ipmmu-vmsa.c, line 665 drivers/iommu/rockchip-iommu.c, line 935 drivers/media/platform/omap3isp/isp.c, line 2176 include/linux/iommu.h, line 217 include/linux/iommu.h, line 409