GART_REG_BASE 23 drivers/iommu/tegra-gart.c #define GART_CONFIG (0x24 - GART_REG_BASE) GART_REG_BASE 24 drivers/iommu/tegra-gart.c #define GART_ENTRY_ADDR (0x28 - GART_REG_BASE) GART_REG_BASE 25 drivers/iommu/tegra-gart.c #define GART_ENTRY_DATA (0x2c - GART_REG_BASE) GART_REG_BASE 353 drivers/iommu/tegra-gart.c gart->regs = mc->regs + GART_REG_BASE;