1 files changed, 5 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index ebaedafc8e67..50ef505b8fb6 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1360,6 +1360,7 @@ _GLOBAL(__start_initialization_multiplatform)
         b       .__after_prom_start
 
 _INIT_STATIC(__boot_from_prom)
+#ifdef CONFIG_PPC_OF_BOOT_TRAMPOLINE
         /* Save parameters */
         mr      r31,r3
         mr      r30,r4
@@ -1390,7 +1391,10 @@ _INIT_STATIC(__boot_from_prom)
         /* Do all of the interaction with OF client interface */
         mr      r8,r26
         bl      .prom_init
-        /* We never return */
+#endif /* #CONFIG_PPC_OF_BOOT_TRAMPOLINE */
+
+        /* We never return. We also hit that trap if trying to boot
+         * from OF while CONFIG_PPC_OF_BOOT_TRAMPOLINE isn't selected */
         trap
 
 _STATIC(__after_prom_start)