[ARM] pxa/colibri: get rid of set_irq_type()

In commit 47cb035560a41bd1bd3db506eeab93088815203e, the ax88796 driver
learned to take IRQ flags from platform_device definition. Use that here
to get rid of the set_irq_type() hack.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index 8a742b7..a18d37b 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -15,7 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
-#include <net/ax88796.h>
+#include <linux/interrupt.h>
 
 #include <asm/mach-types.h>
 #include <asm/sizes.h>
@@ -51,7 +51,7 @@
 	[1] = {
 		.start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
 		.end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
-		.flags = IORESOURCE_IRQ
+		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
 	}
 };
 
@@ -74,7 +74,6 @@
 {
 	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
 	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
-	set_irq_type(gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), IRQ_TYPE_EDGE_FALLING);
 	platform_device_register(&asix_device);
 }
 #else