FSI_MCENP0
ret = opb_writel(aspeed, ctrl_base + FSI_MCENP0 + (4 * idx), reg);
opb_writel(aspeed, ctrl_base + FSI_MCENP0, reg);
rc = fsi_device_write(dev, FSI_MCENP0, ®, sizeof(reg));
return fsi_device_write(hub->upstream, FSI_MCENP0 + (4 * idx),