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| author |   mickey <mickey@openbsd.org> | 2001-12-06 09:30:31 +0000 |
|---|---|---|
| committer | mickey <mickey@openbsd.org> | 2001-12-06 09:30:31 +0000 |
| commit | f387b089599783242d0b5b253281cae8dd240145 (patch) | |
| tree | 95d98d9d344ea7fa8871b1e8c35c47021d64a1cc | |
| parent | Use TCSAFLUSH not TCSANOW. I was only using TCSANOW during debugging... (diff) | |
| download | wireguard-openbsd-f387b089599783242d0b5b253281cae8dd240145.tar.xz wireguard-openbsd-f387b089599783242d0b5b253281cae8dd240145.zip | |
clear all inrterrupts separately and before enabling any.
this prevents stray interrupts and sometimes hangs,
caused by looping on stray unmapped interrupt.
| -rw-r--r-- | sys/dev/ic/twe.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/dev/ic/twe.c b/sys/dev/ic/twe.c index a9db2c78648..bc4665bf8a6 100644 --- a/sys/dev/ic/twe.c +++ b/sys/dev/ic/twe.c @@ -1,4 +1,4 @@ -/* $OpenBSD: twe.c,v 1.14 2001/11/05 17:25:58 art Exp $ */ +/* $OpenBSD: twe.c,v 1.15 2001/12/06 09:30:31 mickey Exp $ */ /* * Copyright (c) 2000, 2001 Michael Shalayeff. All rights reserved. @@ -397,9 +397,21 @@ twe_attach(sc) config_found(&sc->sc_dev, &sc->sc_link, scsiprint); + TWE_DPRINTF(TWE_D_CMD, ("stat=%b ", + bus_space_read_4(sc->iot, sc->ioh, TWE_STATUS), TWE_STAT_BITS)); + /* + * ack all before enable, cannot be done in one + * operation as it seems clear is not processed + * if enable is specified. + */ + bus_space_write_4(sc->iot, sc->ioh, TWE_CONTROL, + TWE_CTRL_CHOSTI | TWE_CTRL_CATTNI | TWE_CTRL_CERR); + TWE_DPRINTF(TWE_D_CMD, ("stat=%b ", + bus_space_read_4(sc->iot, sc->ioh, TWE_STATUS), TWE_STAT_BITS)); /* enable interrupts */ - bus_space_write_4(sc->iot, sc->ioh, TWE_CONTROL, TWE_CTRL_EINT | - /*TWE_CTRL_HOSTI |*/ TWE_CTRL_CATTNI | TWE_CTRL_ERDYI); + bus_space_write_4(sc->iot, sc->ioh, TWE_CONTROL, + TWE_CTRL_EINT | TWE_CTRL_ERDYI | + /*TWE_CTRL_HOSTI |*/ TWE_CTRL_MCMDI); return 0; } |