diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 4adff70..b5d8968 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -229,7 +229,7 @@
 	.num_resources	= ARRAY_SIZE(mmc_resources),
 };
 
-void __init at91_add_device_mmc(struct at91_mmc_data *data)
+void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
 {
 	if (!data)
 		return;
@@ -275,7 +275,7 @@
 	platform_device_register(&at91sam9260_mmc_device);
 }
 #else
-void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
+void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
 #endif