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irqchip/bcm7120-l2: Set controller as wake-up source 

Utilize the Broadcom interrupt controller standard property
"brcm,irq-can-wake" to flag whether this particular interrupt controller
instance is wake-up capable.

Since we do not know what type of parent interrupt controller we are
interfaced with, ensure that enable_irq_wake() is called early on.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200709223016.989-2-f.fainelli@gmail.com
zero-sugar-mainline-defconfig
Justin Chen 2020-07-09 15:30:11 -07:00 committed by Marc Zyngier
parent 8ebf642f3d
commit f4ccb74569
1 changed files with 5 additions and 3 deletions
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8
drivers/irqchip/irq-bcm7120-l2.c
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@ -143,6 +143,9 @@ static int bcm7120_l2_intc_init_one(struct device_node *dn,
irq_set_chained_handler_and_data(parent_irq,
bcm7120_l2_intc_irq_handle, l1_data);
if (data->can_wake)
enable_irq_wake(parent_irq);
return 0;
}
@ -247,6 +250,8 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn,
if (ret < 0)
goto out_free_l1_data;
data->can_wake = of_property_read_bool(dn, "brcm,irq-can-wake");
for (irq = 0; irq < data->num_parent_irqs; irq++) {
ret = bcm7120_l2_intc_init_one(dn, data, irq, valid_mask);
if (ret)
@ -274,9 +279,6 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn,
goto out_free_domain;
}
if (of_property_read_bool(dn, "brcm,irq-can-wake"))
data->can_wake = true;
for (idx = 0; idx < data->n_words; idx++) {
irq = idx * IRQS_PER_WORD;
gc = irq_get_domain_generic_chip(data->domain, irq);