diff options
Diffstat (limited to 'sys/dev/twe/twe.c')
| -rw-r--r-- | sys/dev/twe/twe.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/dev/twe/twe.c b/sys/dev/twe/twe.c index e935c89..340dab9 100644 --- a/sys/dev/twe/twe.c +++ b/sys/dev/twe/twe.c @@ -384,7 +384,7 @@ twe_startio(struct twe_softc *sc) debug_called(4); - if (sc->twe_state & TWE_STATE_FRZN) + if (sc->twe_state & (TWE_STATE_CTLR_BUSY | TWE_STATE_FRZN)) return; /* spin until something prevents us from doing any work */ @@ -435,6 +435,8 @@ twe_startio(struct twe_softc *sc) error = twe_map_request(tr); if (error != 0) { + if (error == EBUSY) + break; tr->tr_status = TWE_CMD_ERROR; if (tr->tr_private != NULL) { bp = (twe_bio *)(tr->tr_private); @@ -762,7 +764,7 @@ twe_get_param(struct twe_softc *sc, int table_id, int param_id, size_t param_siz } else { tr->tr_complete = func; error = twe_map_request(tr); - if (error == 0) + if ((error == 0) || (error == EBUSY)) return(func); } @@ -931,7 +933,8 @@ twe_immediate_request(struct twe_request *tr) tr->tr_flags |= TWE_CMD_IMMEDIATE; tr->tr_status = TWE_CMD_BUSY; if ((error = twe_map_request(tr)) != 0) - return(error); + if (error != EBUSY) + return(error); while (tr->tr_status == TWE_CMD_BUSY){ twe_done(tr->tr_sc); } @@ -1131,6 +1134,7 @@ twe_done(struct twe_softc *sc) /* move to completed queue */ twe_remove_busy(tr); twe_enqueue_complete(tr); + sc->twe_state &= ~TWE_STATE_CTLR_BUSY; } else { break; /* no response ready */ } |
