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Simple VME FMC Carrier SVEC - Software
Commit e762f3d1 authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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kernel: fix IRQ handler to work correctly with edge-sensitive VME64x core interrupt input

parent b9fe0227
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Showing with 6 additions and 6 deletions
kernel/svec-irq.c
View file @ e762f3d1
......@@ -20,7 +20,7 @@ static int svec_irq_handler(void *data)
{
struct svec_dev *svec = (struct svec_dev *)data;
int i;
int rv = -1;
int rv = IRQ_HANDLED;
unsigned long flags;
svec->irq_count++;
......@@ -35,11 +35,11 @@ static int svec_irq_handler(void *data)
for (i = 0; i < SVEC_N_SLOTS; i++) {
irq_handler_t handler = svec->fmc_handlers[i];
if (handler) {
rv = handler(i, svec->fmcs[i]);
if (rv == IRQ_HANDLED)
break;
}
/* Call all handlers even if the current one returned IRQ_HANDLED. The SVEC
VME Core IRQ is edge-sensitive, doing otherwise could result in missed irqs! */
if (handler)
handler(i, svec->fmcs[i]);
}
}
......
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