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In sio_intr_disestablish, also make sure that IRQs 0, 1, 8, and 13 

default to edge-triggered, just like in the setup.
This commit is contained in:
thorpej 1998-08-01 19:38:29 +00:00
parent 0b60fda7c8
commit 92fa3a68ad
1 changed files with 24 additions and 4 deletions
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28
sys/arch/alpha/pci/sio_pic.c
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@ -1,4 +1,4 @@
/* $NetBSD: sio_pic.c,v 1.22 1998/08/01 18:54:21 thorpej Exp $ */
/* $NetBSD: sio_pic.c,v 1.23 1998/08/01 19:38:29 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -66,7 +66,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: sio_pic.c,v 1.22 1998/08/01 18:54:21 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: sio_pic.c,v 1.23 1998/08/01 19:38:29 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -500,8 +500,7 @@ sio_intr_disestablish(v, cookie)
void *cookie;
{
struct alpha_shared_intrhand *ih = cookie;
int s, irq = ih->ih_num;
int ist = INITIALLY_LEVEL_TRIGGERED(irq) ? IST_LEVEL : IST_NONE;
int s, ist, irq = ih->ih_num;
s = splhigh();
@ -516,6 +515,27 @@ sio_intr_disestablish(v, cookie)
* - An initially-LT interrupt is never untyped.
*/
if (alpha_shared_intr_isactive(sio_intr, irq) == 0) {
/*
* IRQs 0, 1, 8, and 13 must always be edge-triggered
* (see setup).
*/
switch (irq) {
case 0:
case 1:
case 8:
case 13:
/*
* If the interrupt was initially level-triggered
* a warning was printed in setup.
*/
ist = IST_EDGE;
break;
default:
ist = INITIALLY_LEVEL_TRIGGERED(irq) ?
IST_LEVEL : IST_NONE;
break;
}
sio_setirqstat(irq, INITIALLY_ENABLED(irq), ist);
alpha_shared_intr_set_dfltsharetype(sio_intr, irq, ist);
}