diff mbox series

[2/9] irqchip/git-v3-its: Implement irq_retrigger callback for device-triggered LPIs

Message ID 20200824102317.1038259-3-maz@kernel.org
State New
Headers show
Series irqchip/gic: generalize use of HW-based retriggering | expand

Commit Message

Marc Zyngier Aug. 24, 2020, 10:23 a.m. UTC 
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 drivers/irqchip/irq-gic-v3-its.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 95f097448f97..2808545a963e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1720,6 +1720,11 @@  static int its_irq_set_irqchip_state(struct irq_data *d,
 	return 0;
 }
 
+static int its_irq_retrigger(struct irq_data *d)
+{
+	return !its_irq_set_irqchip_state(d, IRQCHIP_STATE_PENDING, true);
+}
+
 /*
  * Two favourable cases:
  *
@@ -1971,6 +1976,7 @@  static struct irq_chip its_irq_chip = {
 	.irq_set_affinity	= its_set_affinity,
 	.irq_compose_msi_msg	= its_irq_compose_msi_msg,
 	.irq_set_irqchip_state	= its_irq_set_irqchip_state,
+	.irq_retrigger		= its_irq_retrigger,
 	.irq_set_vcpu_affinity	= its_irq_set_vcpu_affinity,
 };