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Take IRQ 10 out of the default IRQ allocation mask. That IRQ is reserved

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for the built-in SCSI on NEC Versa docking stations, and if a card
allocates that IRQ, it will never get interrupts.  This caused the
default kernel to not work on these laptops, as IRQ 10 was often the
first free IRQ.
This commit is contained in:
thorpej 1997-10-29 21:33:16 +00:00
parent cd60c56216
commit c733020f4b
1 changed files with 5 additions and 2 deletions
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7
sys/dev/isa/i82365_isa.c
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@ -1,4 +1,4 @@
/* $NetBSD: i82365_isa.c,v 1.4 1997/10/20 18:43:10 thorpej Exp $ */
/* $NetBSD: i82365_isa.c,v 1.5 1997/10/29 21:33:16 thorpej Exp $ */
#define PCICISADEBUG
@ -308,10 +308,13 @@ pcic_isa_attach(parent, self, aux)
* allow patching or kernel option file override of available IRQs. Useful if
* order of probing would screw up other devices, or if PCIC hardware/cards
* have trouble with certain interrupt lines.
*
* We disable IRQ 10 by default, since some common laptops (namely, the
* NEC Versa series) reserve IRQ 10 for the docking station SCSI interface.
*/
#ifndef PCIC_INTR_ALLOC_MASK
#define PCIC_INTR_ALLOC_MASK 0xffff
#define PCIC_INTR_ALLOC_MASK 0xfbff
#endif
int pcic_intr_alloc_mask = PCIC_INTR_ALLOC_MASK;