device_flush_iotlb 1256 drivers/iommu/amd_iommu.c 		ret = device_flush_iotlb(dev_data, 0, ~0UL);
device_flush_iotlb 1291 drivers/iommu/amd_iommu.c 		ret |= device_flush_iotlb(dev_data, address, size);