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-rw-r--r--arch/alpha/kernel/irq_alpha.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index 4c8bb374eb0..1b2c8bb8146 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -241,9 +241,13 @@ static struct irq_chip rtc_irq_type = {
void __init
init_rtc_irq(void)
{
- irq_desc[RTC_IRQ].status = IRQ_DISABLED;
- irq_desc[RTC_IRQ].chip = &rtc_irq_type;
- setup_irq(RTC_IRQ, &timer_irqaction);
+ struct irq_desc *desc = irq_to_desc(RTC_IRQ);
+
+ if (desc) {
+ desc->status |= IRQ_DISABLED;
+ set_irq_chip(RTC_IRQ, &rtc_irq_type);
+ setup_irq(RTC_IRQ, &timer_irqaction);
+ }
}
/* Dummy irqactions. */