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Ignore events of unused IR DMA.

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This commit is contained in:
Hidetoshi Shimokawa 2003-01-21 16:24:35 +00:00
parent 87fd161364
commit b9b35d1965
1 changed files with 11 additions and 3 deletions
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14
sys/dev/firewire/fwohci.c
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@ -1752,10 +1752,18 @@ fwohci_intr_body(struct fwohci_softc *sc, u_int32_t stat, int count)
irstat = OREAD(sc, OHCI_IR_STAT);
OWRITE(sc, OHCI_IR_STATCLR, irstat);
for(i = 0; i < fc->nisodma ; i++){
struct fwohci_dbch *dbch;
if((irstat & (1 << i)) != 0){
if(sc->ir[i].xferq.flag & FWXFERQ_PACKET){
fwohci_ircv(sc, &sc->ir[i], count);
}else{
dbch = &sc->ir[i];
if ((dbch->xferq.flag & FWXFERQ_OPEN) == 0) {
device_printf(sc->fc.dev,
"dma(%d) not active\n", i);
continue;
}
if (dbch->xferq.flag & FWXFERQ_PACKET) {
fwohci_ircv(sc, dbch, count);
} else {
fwohci_rbuf_update(sc, i);
}
}