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XXX Workaround for ViBRA cards with two 8 bit DMA channels.

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augustss 1997-11-12 20:28:42 +00:00
parent a46d55768b
commit dd95190002
1 changed files with 9 additions and 6 deletions
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15
sys/dev/isa/sb.c
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@ -1,4 +1,4 @@
/* $NetBSD: sb.c,v 1.55 1997/10/19 07:42:35 augustss Exp $ */ /* $NetBSD: sb.c,v 1.56 1997/11/12 20:28:42 augustss Exp $ */
/* /*
* Copyright (c) 1991-1993 Regents of the University of California. * Copyright (c) 1991-1993 Regents of the University of California.
@ -137,11 +137,14 @@ sbmatch(sc)
} }
} }
/* if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
* XXX THIS IS WRONG! My ViBRA16S PnP /*
* XXX has 1 drqs, but this resets it to use drq8 everywhere! * XXX Some ViBRA16 cards seem to have two 8 bit DMA
* XXX --thorpej@netbsd.org * channels. I've no clue how to use them, so ignore
*/ * one of them for now. -- augustss@netbsd.org
*/
sc->sc_drq16 = -1;
if (ISSB16CLASS(sc)) { if (ISSB16CLASS(sc)) {
if (sc->sc_drq16 == -1) if (sc->sc_drq16 == -1)
sc->sc_drq16 = sc->sc_drq8; sc->sc_drq16 = sc->sc_drq8;