gpio: pl061: add support for wakeup configuration

[linux-2.6-block.git] / drivers / gpio / gpio-pl061.c

diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index e041639adc142afb4175a7b30b1e6ded82f417e8..f937bc7e42dd00b35ab082283c3a4f09af55ed1e 100644 (file)
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
+#include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/irqchip/chained_irq.h>
 #include <linux/bitops.h>
@@ -269,12 +270,20 @@ static void pl061_irq_ack(struct irq_data *d)
        spin_unlock(&chip->lock);
 }
 
+static int pl061_irq_set_wake(struct irq_data *d, unsigned int state)
+{
+       struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+
+       return irq_set_irq_wake(gc->irq_parent, state);
+}
+
 static struct irq_chip pl061_irqchip = {
        .name           = "pl061",
        .irq_ack        = pl061_irq_ack,
        .irq_mask       = pl061_irq_mask,
        .irq_unmask     = pl061_irq_unmask,
        .irq_set_type   = pl061_irq_type,
+       .irq_set_wake   = pl061_irq_set_wake,
 };
 
 static int pl061_probe(struct amba_device *adev, const struct amba_id *id)