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Disable DMA by default on the 4/100 `sw' controller. I've had a couple 

of reports of data corruption, and would rather be slow and safe until
the DMA bug is fixed.
This commit is contained in:
thorpej 1996-01-09 02:06:50 +00:00
parent d444072739
commit 3cb556defb
1 changed files with 2 additions and 2 deletions
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4
sys/arch/sparc/dev/si.c
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@ -1,4 +1,4 @@
/* $NetBSD: si.c,v 1.9 1996/01/04 00:20:19 thorpej Exp $ */ /* $NetBSD: si.c,v 1.10 1996/01/09 02:06:50 thorpej Exp $ */
/* /*
* Copyright (c) 1995 Jason R. Thorpe * Copyright (c) 1995 Jason R. Thorpe
@ -338,7 +338,7 @@ si_attach(parent, self, args)
* I don't know why (yet). -- thorpej * I don't know why (yet). -- thorpej
*/ */
if (ca->ca_bustype == BUS_OBIO) if (ca->ca_bustype == BUS_OBIO)
sc->sc_options &= ~(SI_DMA_INTR|SI_DO_RESELECT); sc->sc_options &= ~(SI_ENABLE_DMA|SI_DMA_INTR|SI_DO_RESELECT);
/* Map the controller registers. */ /* Map the controller registers. */
regs = (struct si_regs *)mapiodev(ra->ra_reg, 0, regs = (struct si_regs *)mapiodev(ra->ra_reg, 0,