Merge branch 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] sys_move_pages should be callable from an SPU
  [POWERPC] Wire up sys_epoll_pwait
  [POWERPC] Allocate syscall number for sys_getcpu
  [POWERPC] update cell_defconfig
  [POWERPC] ps3: always make sure were running on a PS3
  [POWERPC] Fix spu SLB invalidations
  [POWERPC] avoid SPU_ACTIVATE_NOWAKE optimization
  [POWERPC] spufs: fix possible memory corruption is spufs_mem_write

3 files changed, 15 insertions, 2 deletions

diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index 1926b4d..d21e04c 100644
--- 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",
diff --git a/drivers/ps3/sys-manager.c b/drivers/ps3/sys-manager.c
index 0fc30be..3aa2b0d 100644
--- a/drivers/ps3/sys-manager.c
+++ b/drivers/ps3/sys-manager.c
@@ -22,7 +22,10 @@
 #include <linux/module.h>
 #include <linux/workqueue.h>
 #include <linux/reboot.h>
+
+#include <asm/firmware.h>
 #include <asm/ps3.h>
+
 #include "vuart.h"
 
 MODULE_AUTHOR("Sony Corporation");
@@ -598,6 +601,9 @@ static struct ps3_vuart_port_driver ps3_sys_manager = {
 
 static int __init ps3_sys_manager_init(void)
 {
+	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
+		return -ENODEV;
+
 	return ps3_vuart_port_driver_register(&ps3_sys_manager);
 }
 
diff --git a/drivers/ps3/vuart.c b/drivers/ps3/vuart.c
index 7462981..1adf186 100644
--- a/drivers/ps3/vuart.c
+++ b/drivers/ps3/vuart.c
@@ -1031,7 +1031,7 @@ int __init ps3_vuart_bus_init(void)
 	pr_debug("%s:%d:\n", __func__, __LINE__);
 
 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
-		return 0;
+		return -ENODEV;
 
 	init_MUTEX(&vuart_bus_priv.probe_mutex);
 	result = bus_register(&ps3_vuart_bus);