LTQ_ASC_FSTAT
do { } while ((ltq_r32(LTQ_ASC_FSTAT) & TXMASK) >> TXOFFSET);
u32 fstat = __raw_readl(port->membase + LTQ_ASC_FSTAT);
fifocnt = __raw_readl(port->membase + LTQ_ASC_FSTAT) &
status = __raw_readl(port->membase + LTQ_ASC_FSTAT) &