[POWERPC] ps3: always make sure were running on a PS3

[powerpc.git] / drivers / ps3 / ps3av.c

diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index 1926b4d..d21e04c 100644 (file)
--- a/drivers/ps3/ps3av.c
+++ b/drivers/ps3/ps3av.c
@@ -24,6 +24,8 @@
 #include <linux/reboot.h>
 #include <linux/kernel.h>
 #include <linux/ioctl.h>
+
+#include <asm/firmware.h>
 #include <asm/lv1call.h>
 #include <asm/ps3av.h>
 #include <asm/ps3.h>
@@ -947,7 +949,12 @@ static struct ps3_vuart_port_driver ps3av_driver = {
 
 static int ps3av_module_init(void)
 {
-       int error = ps3_vuart_port_driver_register(&ps3av_driver);
+       int error;
+
+       if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
+               return -ENODEV;
+
+       error = ps3_vuart_port_driver_register(&ps3av_driver);
        if (error) {
                printk(KERN_ERR
                       "%s: ps3_vuart_port_driver_register failed %d\n",