EP_CMD_TDL_GET
u16 old_tdl = EP_CMD_TDL_GET(readl(&priv_dev->regs->ep_cmd));
return EP_CMD_TDL_GET(readl(&priv_dev->regs->ep_cmd));
u16 tdl = EP_CMD_TDL_GET(readl(&priv_dev->regs->ep_cmd));