1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 1a056adb61c8..fa1198c4ccc5 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -175,9 +175,9 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
 
 #ifdef CONFIG_PMAC_BACKLIGHT
         pdata->negative = pdata->negative ||
-                machine_is_compatible("PowerBook4,3") ||
-                machine_is_compatible("PowerBook6,3") ||
-                machine_is_compatible("PowerBook6,5");
+                of_machine_is_compatible("PowerBook4,3") ||
+                of_machine_is_compatible("PowerBook6,3") ||
+                of_machine_is_compatible("PowerBook6,5");
 #endif
 
         rinfo->info->bl_dev = bd;