iommu_read_reg
iommu_read_reg(obj, MMU_##name)); \
u32 l = iommu_read_reg(obj, MMU_CNTL);
l = iommu_read_reg(obj, MMU_REVISION);
u32 l = iommu_read_reg(obj, MMU_CNTL);
status = iommu_read_reg(obj, MMU_IRQSTATUS);
fault_addr = iommu_read_reg(obj, MMU_FAULT_AD);
val = iommu_read_reg(obj, MMU_LOCK);
cr->cam = iommu_read_reg(obj, MMU_READ_CAM);
cr->ram = iommu_read_reg(obj, MMU_READ_RAM);
p[i] = iommu_read_reg(obj, i * sizeof(u32));