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ioat: Always re-arm interrupts in process_events

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It doesn't hurt, even if there is nothing to do.

Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Conrad Meyer 2015-10-24 23:45:56 +00:00
parent f7157235b8
commit 4becebdf9e
1 changed files with 3 additions and 4 deletions
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7
sys/dev/ioat/ioat.c
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@ -575,10 +575,8 @@ ioat_process_events(struct ioat_softc *ioat)
ioat_log_message(3, "%s\n", __func__);
if (status == ioat->last_seen) {
mtx_unlock(&ioat->cleanup_lock);
return;
}
if (status == ioat->last_seen)
goto out;
while (1) {
desc = ioat_get_ring_entry(ioat, ioat->tail);
@ -602,6 +600,7 @@ ioat_process_events(struct ioat_softc *ioat)
ioat_timer_callback, ioat);
}
out:
ioat_write_chanctrl(ioat, IOAT_CHANCTRL_RUN);
mtx_unlock(&ioat->cleanup_lock);