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When adding a new interrupt handler to the iomd, turn off interrupts so 

we don't run the risk of an interrupt happening while things are being
updated.
This commit is contained in:
chris 2004-01-03 13:11:47 +00:00
parent d495306cc1
commit 078c5853f3
1 changed files with 6 additions and 2 deletions
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8
sys/arch/arm/iomd/iomd_irqhandler.c
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@ -1,4 +1,4 @@
/* $NetBSD: iomd_irqhandler.c,v 1.7 2003/07/15 00:24:45 lukem Exp $ */
/* $NetBSD: iomd_irqhandler.c,v 1.8 2004/01/03 13:11:47 chris Exp $ */
/*
* Copyright (c) 1994-1998 Mark Brinicombe.
@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: iomd_irqhandler.c,v 1.7 2003/07/15 00:24:45 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: iomd_irqhandler.c,v 1.8 2004/01/03 13:11:47 chris Exp $");
#include "opt_irqstats.h"
@ -146,6 +146,7 @@ irq_claim(irq, handler)
{
int level;
int loop;
u_int oldirqstate;
#ifdef DIAGNOSTIC
/* Sanity check */
@ -170,6 +171,8 @@ irq_claim(irq, handler)
if (handler->ih_level < 0 || handler->ih_level >= IPL_LEVELS)
return(-1);
oldirqstate = disable_interrupts(I32_bit);
/* Attach handler at top of chain */
handler->ih_next = irqhandlers[irq];
irqhandlers[irq] = handler;
@ -274,6 +277,7 @@ irq_claim(irq, handler)
enable_irq(irq);
set_spl_masks();
restore_interrupts(oldirqstate);
return(0);
}