[POWERPC] Fix oprofile support on Cell LPAR

Op_model_cell supports native Cell. By returning -EINVAL, oprofile
uses timer interrupt on Cell LPAR.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index b6d8239..fbd62ea 100644 (file)
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -149,6 +149,8 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 #ifdef CONFIG_PPC64
 #ifdef CONFIG_PPC_CELL_NATIVE
                case PPC_OPROFILE_CELL:
+                       if (firmware_has_feature(FW_FEATURE_LPAR))
+                               return -ENODEV;
                        model = &op_model_cell;
                        break;
 #endif