diff options
Diffstat (limited to 'sys/dev/isa/wdc.c')
| -rw-r--r-- | sys/dev/isa/wdc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/dev/isa/wdc.c b/sys/dev/isa/wdc.c index d530e3d3104..316263e740a 100644 --- a/sys/dev/isa/wdc.c +++ b/sys/dev/isa/wdc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: wdc.c,v 1.34 1998/09/14 01:55:52 downsj Exp $ */ +/* $OpenBSD: wdc.c,v 1.35 1998/09/15 01:40:08 downsj Exp $ */ /* $NetBSD: wd.c,v 1.150 1996/05/12 23:54:03 mycroft Exp $ */ /* @@ -1550,7 +1550,15 @@ wdcintr(arg) struct wdc_softc *wdc = arg; struct wdc_xfer *xfer; - if ((wdc->sc_flags & WDCF_IRQ_WAIT) == 0) { + /* + * It appears that some drives are causing the controller to + * interrupt too quickly. It also appears that such drives do not + * conform to the MMC2 specifications. This needs to be fixed + * correctly and the extra check for NULL removed from the following + * if(). + */ + if (((wdc->sc_flags & WDCF_IRQ_WAIT) == 0) + || (wdc->sc_xfer.tqh_first == NULL)) { bus_space_tag_t iot = wdc->sc_iot; bus_space_handle_t ioh = wdc->sc_ioh; u_char s; |