i.MX51: handle IRQ for gpio 16..31
The i.MX51 generates 2 IRQ for each GPIO bank : one for gpio 0 to 15
and one for gpio 16 to 31.
Actually only the lower IRQ is registered so register the second one.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index 71437c6..11dc061 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -292,6 +292,12 @@
/* setup one handler for each entry */
set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler);
set_irq_data(port[i].irq, &port[i]);
+ if (port[i].irq_high) {
+ /* setup handler for GPIO 16 to 31 */
+ set_irq_chained_handler(port[i].irq_high,
+ mx3_gpio_irq_handler);
+ set_irq_data(port[i].irq_high, &port[i]);
+ }
}
}