Its device will be removed after all events be freed.
Undisarded events can lead to unpredictable behaviar.
Signed-off-by: Zhao Yuanyuan <yuanyuan.z...@hxt-semitech.com>
---
drivers/irqchip/irq-gic-v3-its.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index db20e99..4fee008 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2572,6 +2572,10 @@ static void its_irq_domain_free(struct irq_domain
*domain, unsigned int virq,
virq + i);
u32 event = its_get_event_id(data);
+ /* Discard irq before free */
+ if (irqd_is_activated(d))
+ its_send_discard(its_dev, event);
+
/* Mark interrupt index as unused */
clear_bit(event, its_dev->event_map.lpi_map);
--
1.8.3.1
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