ARM: shmobile: kzm9g-reference: Use falling edge IRQ for LAN9221

The device is configured to generate an active-low interrupt signal that
is automatically deasserted without requiring any action from the host.
Configure the IRQ to trigger on falling edge.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
index 605f6c6..12fdfaa 100644 (file)
--- a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
+++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
@@ -83,7 +83,7 @@
                reg = <0x10000000 0x100>;
                phy-mode = "mii";
                interrupt-parent = <&irqpin0>;
-               interrupts = <3 IRQ_TYPE_NONE>; /* active low */
+               interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
                reg-io-width = <4>;
                smsc,irq-push-pull;
                smsc,save-mac-address;