From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date: Mon, 1 Sep 2014 14:29:11 +0000 (+0100)
Subject: mfd: arizona: Propagate irq_wake through to parent IRQ
X-Git-Tag: v3.18-rc1~40^2~40
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c38715fed8f51a8fba4a15f86732ad885f073d78;p=thirdparty%2Fkernel%2Flinux.git

mfd: arizona: Propagate irq_wake through to parent IRQ

If one of the internal Arizona IRQs is set as a wake source this needs
to be propogated back to the actual IRQ line that the Arizona device is
attached to.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---

diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 9133d519b0209..5e2f450a61764 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -152,10 +152,18 @@ static void arizona_irq_disable(struct irq_data *data)
 {
 }
 
+static int arizona_irq_set_wake(struct irq_data *data, unsigned int on)
+{
+	struct arizona *arizona = irq_data_get_irq_chip_data(data);
+
+	return irq_set_irq_wake(arizona->irq, on);
+}
+
 static struct irq_chip arizona_irq_chip = {
 	.name			= "arizona",
 	.irq_disable		= arizona_irq_disable,
 	.irq_enable		= arizona_irq_enable,
+	.irq_set_wake		= arizona_irq_set_wake,
 };
 
 static int arizona_irq_map(struct irq_domain *h, unsigned int virq,