1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-x86/emergency-restart.h b/include/asm-x86/emergency-restart.h
index 54189084462a..8e6aef19f8f0 100644
--- a/include/asm-x86/emergency-restart.h
+++ b/include/asm-x86/emergency-restart.h
@@ -4,6 +4,9 @@
 enum reboot_type {
         BOOT_TRIPLE = 't',
         BOOT_KBD = 'k',
+#ifdef CONFIG_X86_32
+        BOOT_BIOS = 'b',
+#endif
         BOOT_ACPI = 'a',
         BOOT_EFI = 'e'
 };