Extern or forward variable declaration at include/linux/iommu.h, line 53 References: arch/arm/mm/dma-mapping.c, line 2077 arch/arm/mm/dma-mapping.c, line 2267 arch/arm/mm/dma-mapping.c, line 2300 arch/arm/mm/dma-mapping.c, line 2304 arch/arm/mm/dma-mapping.c, line 2342 arch/arm/mm/dma-mapping.c, line 2359 arch/arm64/mm/dma-mapping.c, line 62 drivers/acpi/arm64/iort.c, line 828 drivers/acpi/arm64/iort.c, line 835 drivers/acpi/arm64/iort.c, line 925 drivers/acpi/arm64/iort.c, line 946 drivers/acpi/arm64/iort.c, line 1010 drivers/acpi/arm64/iort.c, line 1013 drivers/acpi/arm64/iort.c, line 1083 drivers/acpi/arm64/iort.c, line 1085 drivers/acpi/arm64/iort.c, line 1090 drivers/iommu/amd_iommu.c, line 99 drivers/iommu/amd_iommu.c, line 2762 drivers/iommu/amd_iommu_init.c, line 107 drivers/iommu/arm-smmu-v3.c, line 2537 drivers/iommu/arm-smmu-v3.c, line 2724 drivers/iommu/arm-smmu-v3.c, line 3666 drivers/iommu/arm-smmu-v3.c, line 3674 drivers/iommu/arm-smmu-v3.c, line 3680 drivers/iommu/arm-smmu.c, line 361 drivers/iommu/arm-smmu.c, line 1731 drivers/iommu/dma-iommu.c, line 370 drivers/iommu/dmar.c, line 78 drivers/iommu/exynos-iommu.c, line 570 drivers/iommu/exynos-iommu.c, line 1329 drivers/iommu/fsl_pamu_domain.c, line 1073 drivers/iommu/intel-iommu.c, line 426 drivers/iommu/intel-iommu.c, line 4647 drivers/iommu/intel-iommu.c, line 5651 drivers/iommu/iommu.c, line 208 drivers/iommu/iommu.c, line 208 drivers/iommu/iommu.c, line 260 drivers/iommu/iommu.c, line 260 drivers/iommu/iommu.c, line 305 drivers/iommu/iommu.c, line 305 drivers/iommu/iommu.c, line 1451 drivers/iommu/iommu.c, line 1451 drivers/iommu/iommu.c, line 1516 drivers/iommu/iommu.c, line 1516 drivers/iommu/iommu.c, line 1637 drivers/iommu/iommu.c, line 1637 drivers/iommu/iommu.c, line 1771 drivers/iommu/iommu.c, line 1817 drivers/iommu/iommu.c, line 1822 drivers/iommu/iommu.c, line 1826 drivers/iommu/iommu.c, line 1829 drivers/iommu/iommu.c, line 1834 drivers/iommu/iommu.c, line 1842 drivers/iommu/iommu.c, line 1848 drivers/iommu/iommu.c, line 1848 drivers/iommu/iommu.c, line 1851 drivers/iommu/iommu.c, line 1883 drivers/iommu/iommu.c, line 1886 drivers/iommu/iommu.c, line 1890 drivers/iommu/iommu.c, line 1893 drivers/iommu/iommu.c, line 2143 drivers/iommu/iommu.c, line 2219 drivers/iommu/iommu.c, line 2471 drivers/iommu/iommu.c, line 2471 drivers/iommu/iommu.c, line 2479 drivers/iommu/iommu.c, line 2479 drivers/iommu/iommu.c, line 2612 drivers/iommu/iommu.c, line 2614 drivers/iommu/iommu.c, line 2628 drivers/iommu/iommu.c, line 2716 drivers/iommu/iommu.c, line 2716 drivers/iommu/iommu.c, line 2727 drivers/iommu/iommu.c, line 2727 drivers/iommu/iommu.c, line 2743 drivers/iommu/iommu.c, line 2743 drivers/iommu/iommu.c, line 2754 drivers/iommu/iommu.c, line 2754 drivers/iommu/iommu.c, line 2827 drivers/iommu/iommu.c, line 2827 drivers/iommu/iommu.c, line 2872 drivers/iommu/iommu.c, line 2872 drivers/iommu/iommu.c, line 2902 drivers/iommu/iommu.c, line 2902 drivers/iommu/ipmmu-vmsa.c, line 889 drivers/iommu/msm_iommu.c, line 50 drivers/iommu/msm_iommu.c, line 712 drivers/iommu/mtk_iommu.c, line 116 drivers/iommu/mtk_iommu.c, line 520 drivers/iommu/mtk_iommu_v1.c, line 366 drivers/iommu/mtk_iommu_v1.c, line 528 drivers/iommu/of_iommu.c, line 120 drivers/iommu/of_iommu.c, line 170 drivers/iommu/of_iommu.c, line 173 drivers/iommu/omap-iommu.c, line 39 drivers/iommu/omap-iommu.c, line 1544 drivers/iommu/qcom_iommu.c, line 85 drivers/iommu/qcom_iommu.c, line 613 drivers/iommu/rockchip-iommu.c, line 1115 drivers/iommu/s390-iommu.c, line 22 drivers/iommu/s390-iommu.c, line 357 drivers/iommu/tegra-gart.c, line 370 drivers/iommu/tegra-smmu.c, line 717 drivers/iommu/tegra-smmu.c, line 868 drivers/of/device.c, line 95 include/linux/iommu.h, line 53 include/linux/iommu.h, line 104 include/linux/iommu.h, line 273 include/linux/iommu.h, line 362 include/linux/iommu.h, line 425 include/linux/iommu.h, line 455 include/linux/iommu.h, line 606 include/linux/iommu.h, line 627 include/linux/iommu.h, line 630 include/linux/iommu.h, line 677 include/linux/iommu.h, line 953 include/linux/iommu.h, line 1004 include/linux/iommu.h, line 1020 include/linux/of_iommu.h, line 15 include/linux/of_iommu.h, line 27