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@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-4-f.fainelli@gmail.com

diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index 689e487be80cf6becccdecb21f93b4cb207bca7c..45879e59e58b3eb6a9605c3dca089ee1729d5149 100644 (file)
--- 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);