From 5c33174299b7f8921ec912f6c46c9002dfbd6807 Mon Sep 17 00:00:00 2001
From: Andrew Victor <andrew@sanpeople.com>
Date: Mon, 19 Jun 2006 15:26:53 +0100
Subject: [PATCH] --- yaml --- r: 28090 b: refs/heads/master c:
 683c66bf75ce277b90d658da0c1a0bf1a55cce4c h: refs/heads/master v: v3

---
 [refs]                               |  2 +-
 trunk/arch/arm/mach-at91rm9200/irq.c | 36 ++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index cb69d294a137..2cd9fc199c03 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 37f2e4bc120bd784e7f69f961233e1c16b74d170
+refs/heads/master: 683c66bf75ce277b90d658da0c1a0bf1a55cce4c
diff --git a/trunk/arch/arm/mach-at91rm9200/irq.c b/trunk/arch/arm/mach-at91rm9200/irq.c
index cc545b2c4388..70f4d7ac1533 100644
--- a/trunk/arch/arm/mach-at91rm9200/irq.c
+++ b/trunk/arch/arm/mach-at91rm9200/irq.c
@@ -118,11 +118,47 @@ static int at91rm9200_irq_type(unsigned irq, unsigned type)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+
+static u32 wakeups;
+static u32 backups;
+
+static int at91rm9200_irq_set_wake(unsigned irq, unsigned value)
+{
+	if (unlikely(irq >= 32))
+		return -EINVAL;
+
+	if (value)
+		wakeups |= (1 << irq);
+	else
+		wakeups &= ~(1 << irq);
+
+	return 0;
+}
+
+void at91_irq_suspend(void)
+{
+	backups = at91_sys_read(AT91_AIC_IMR);
+	at91_sys_write(AT91_AIC_IDCR, backups);
+	at91_sys_write(AT91_AIC_IECR, wakeups);
+}
+
+void at91_irq_resume(void)
+{
+	at91_sys_write(AT91_AIC_IDCR, wakeups);
+	at91_sys_write(AT91_AIC_IECR, backups);
+}
+
+#else
+#define at91rm9200_irq_set_wake	NULL
+#endif
+
 static struct irqchip at91rm9200_irq_chip = {
 	.ack		= at91rm9200_mask_irq,
 	.mask		= at91rm9200_mask_irq,
 	.unmask		= at91rm9200_unmask_irq,
 	.set_type	= at91rm9200_irq_type,
+	.set_wake	= at91rm9200_irq_set_wake,
 };
 
 /*