[tip: irq/core] irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary

[tip-bot2 for Florian Fainelli]

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     27eebb60357ed5aa6659442f92907c0f7368d6ae
Gitweb:        https://git.kernel.org/tip/27eebb60357ed5aa6659442f92907c0f7368d6ae
Author:        Florian Fainelli <f.fainelli@xxxxxxxxx>
AuthorDate:    Thu, 24 Oct 2019 13:14:13 -07:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Sun, 10 Nov 2019 18:47:47 

irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary

If the 'brcm,irq-can-wake' property is specified, make sure we also
enable the corresponding parent interrupt we are attached to.

Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20191024201415.23454-4-f.fainelli@xxxxxxxxx
---
 drivers/irqchip/irq-bcm7038-l1.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index 689e487..45879e5 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -286,6 +286,10 @@ static int __init bcm7038_l1_init_one(struct device_node *dn,
 		pr_err("failed to map parent interrupt %d\n", parent_irq);
 		return -EINVAL;
 	}
+
+	if (of_property_read_bool(dn, "brcm,irq-can-wake"))
+		enable_irq_wake(parent_irq);
+
 	irq_set_chained_handler_and_data(parent_irq, bcm7038_l1_irq_handle,
 					 intc);