linux-kernel - [PATCH 05/05 v2] gpio: em: Enable mask on suspend

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Date:	Wed, 20 Nov 2013 09:23:44 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-sh@...r.kernel.org, linus.walleij@...aro.org,
	grant.likely@...retlab.ca, horms@...ge.net.au,
	laurent.pinchart@...asonboard.com,
	Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 05/05 v2] gpio: em: Enable mask on suspend

From: Magnus Damm <damm@...nsource.se>

Now when lazy interrupt disable has been enabled in the driver
then extend the code to set IRQCHIP_MASK_ON_SUSPEND which tells
the core that only IRQs marked as wakeups need to stay enabled
during Suspend-to-RAM.

Tested on the KZM9D board with GPIO-keys.

Signed-off-by: Magnus Damm <damm@...nsource.se>
---

 drivers/gpio/gpio-em.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 0011/drivers/gpio/gpio-em.c
+++ work/drivers/gpio/gpio-em.c	2013-11-20 08:33:47.000000000 +0900
@@ -337,7 +337,7 @@ static int em_gio_probe(struct platform_
 	irq_chip->irq_mask = em_gio_irq_disable;
 	irq_chip->irq_unmask = em_gio_irq_enable;
 	irq_chip->irq_set_type = em_gio_irq_set_type;
-	irq_chip->flags	= IRQCHIP_SKIP_SET_WAKE;
+	irq_chip->flags	= IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND;
 
 	p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
 					      pdata->number_of_pins,
--
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