diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h
index 3681c5c..fe9b29f 100644
--- a/include/acpi/acpi_table.h
+++ b/include/acpi/acpi_table.h
@@ -13,6 +13,8 @@
 #ifndef __ACPI_TABLE_H__
 #define __ACPI_TABLE_H__
 
+#include <linux/bitops.h>
+
 #define RSDP_SIG		"RSD PTR "	/* RSDP pointer signature */
 #define OEM_ID			"U-BOOT"	/* U-Boot */
 #define OEM_TABLE_ID		"U-BOOTBL"	/* U-Boot Table */