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Ok, I give up for now. There's no easy/reliable way to deal with

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these spurious interrupts.
This commit is contained in:
scw 2003-10-08 19:46:12 +00:00
parent 677ee2fdbf
commit 0047ff3f6e
1 changed files with 5 additions and 23 deletions
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28
sys/arch/arm/xscale/ixp425_intr.c
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@ -1,4 +1,4 @@
/* $NetBSD: ixp425_intr.c,v 1.6 2003/10/08 19:39:40 scw Exp $ */
/* $NetBSD: ixp425_intr.c,v 1.7 2003/10/08 19:46:12 scw Exp $ */
/*
* Copyright (c) 2003
@ -68,7 +68,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ixp425_intr.c,v 1.6 2003/10/08 19:39:40 scw Exp $");
__KERNEL_RCSID(0, "$NetBSD: ixp425_intr.c,v 1.7 2003/10/08 19:46:12 scw Exp $");
#ifndef EVBARM_SPL_NOINLINE
#define EVBARM_SPL_NOINLINE
@ -471,7 +471,7 @@ ixp425_intr_dispatch(struct clockframe *frame)
{
struct intrq *iq;
struct intrhand *ih;
int oldirqstate, pcpl, irq, ibit, hwpend, handled;
int oldirqstate, pcpl, irq, ibit, hwpend;
pcpl = current_spl_level;
@ -513,10 +513,9 @@ ixp425_intr_dispatch(struct clockframe *frame)
}
oldirqstate = enable_interrupts(I32_bit);
for (handled = 0, ih = TAILQ_FIRST(&iq->iq_list); ih != NULL;
for (ih = TAILQ_FIRST(&iq->iq_list); ih != NULL;
ih = TAILQ_NEXT(ih, ih_list)) {
handled |=
(*ih->ih_func)(ih->ih_arg ? ih->ih_arg : frame);
(void) (*ih->ih_func)(ih->ih_arg ? ih->ih_arg : frame);
}
restore_interrupts(oldirqstate);
@ -526,23 +525,6 @@ ixp425_intr_dispatch(struct clockframe *frame)
ixp425_irq2gpio_bit(irq);
}
/*
* We sometimes see spurious (GPIO) interrupts from
* some PCIbus cards on certain boards. If nobody
* claimed the interrupt, let's see if it cleared
* down anyway.
*/
if (handled == 0 && iq->iq_ist == IST_LEVEL &&
(ibit & IXP425_INT_GPIOMASK) != 0 &&
(IXPREG(IXP425_GPIO_VBASE + IXP425_GPIO_GPISR) &
ixp425_irq2gpio_bit(irq)) != 0) {
/*
* Nope, still asserted. We're toast.
*/
panic("ixp425_intr_dispatch: unhandled "
"level-triggered GPIO interrupt: irq %d", irq);
}
current_spl_level = pcpl;
/* Re-enable this interrupt now that's it's cleared. */