diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 45ea193325d2..b33528026c5c 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -644,9 +644,12 @@ static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val, if (cpu >= nr_cpu_ids) return -EINVAL; - target_col = &its_dev->its->collections[cpu]; - its_send_movi(its_dev, target_col, id); - its_dev->event_map.col_map[id] = cpu; + /* don't set the affinity when the target cpu is same as current one */ + if (cpu != its_dev->event_map.col_map[id]) { + target_col = &its_dev->its->collections[cpu]; + its_send_movi(its_dev, target_col, id); + its_dev->event_map.col_map[id] = cpu; + } return IRQ_SET_MASK_OK_DONE; } |