SR_DMAR_FECTL_REG 4236 drivers/iommu/intel-iommu.c iommu->iommu_state[SR_DMAR_FECTL_REG] = SR_DMAR_FECTL_REG 4274 drivers/iommu/intel-iommu.c writel(iommu->iommu_state[SR_DMAR_FECTL_REG],