msintr
void msintr(void *);
callout_reset(&ms->ms_intr_ch, 2, msintr, ms);
callout_reset(&ms->ms_intr_ch, 2, msintr, ms);
bool rxintr = false, txintr = false, msintr;
msintr = ISSET(istatus, PL010_IIR_MIS);
if (msintr) {
msintr = ISSET(istatus, PL011_INT_MSMASK);
if (msintr) {