diff options
| -rw-r--r-- | kernel/irq/chip.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 6eb3c7952b64..0ad02d76a0c4 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -290,7 +290,8 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq) desc->chip->mask_ack(irq); else { desc->chip->mask(irq); - desc->chip->ack(irq); + if (desc->chip->ack) + desc->chip->ack(irq); } } @@ -475,7 +476,8 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) kstat_incr_irqs_this_cpu(irq, desc); /* Start handling the irq */ - desc->chip->ack(irq); + if (desc->chip->ack) + desc->chip->ack(irq); desc = irq_remap_to_desc(irq, desc); /* Mark the IRQ currently in progress.*/ |