irqchip/gicv2/3: add gic_retrigger

[firefly-linux-kernel-4.4.55.git] / drivers / irqchip / irq-gic-v3.c

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index dff17aef68a24026193f9cfa9e43cc158f184faa..3d1514ac932d6fd23348a55cb58b87e55936d764 100644 (file)
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -216,6 +216,15 @@ static void gic_unmask_irq(struct irq_data *d)
        gic_poke_irq(d, GICD_ISENABLER);
 }
 
+#ifdef CONFIG_ARCH_ROCKCHIP
+static int gic_retrigger(struct irq_data *d)
+{
+       gic_poke_irq(d, GICD_ISPENDR);
+       /* the genirq layer expects 0 if we can't retrigger in hardware */
+       return 0;
+}
+#endif
+
 static int gic_irq_set_irqchip_state(struct irq_data *d,
                                     enum irqchip_irq_state which, bool val)
 {
@@ -697,6 +706,9 @@ static struct irq_chip gic_chip = {
        .irq_unmask             = gic_unmask_irq,
        .irq_eoi                = gic_eoi_irq,
        .irq_set_type           = gic_set_type,
+#ifdef CONFIG_ARCH_ROCKCHIP
+       .irq_retrigger          = gic_retrigger,
+#endif
        .irq_set_affinity       = gic_set_affinity,
        .irq_get_irqchip_state  = gic_irq_get_irqchip_state,
        .irq_set_irqchip_state  = gic_irq_set_irqchip_state,
@@ -708,6 +720,9 @@ static struct irq_chip gic_eoimode1_chip = {
        .irq_mask               = gic_eoimode1_mask_irq,
        .irq_unmask             = gic_unmask_irq,
        .irq_eoi                = gic_eoimode1_eoi_irq,
+#ifdef CONFIG_ARCH_ROCKCHIP
+       .irq_retrigger          = gic_retrigger,
+#endif
        .irq_set_type           = gic_set_type,
        .irq_set_affinity       = gic_set_affinity,
        .irq_get_irqchip_state  = gic_irq_get_irqchip_state,