diff --git a/[refs] b/[refs]
index 8cc7955c9eca..df113cf23867 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b9136d207f0c05c96c6b9c980fa7f7fd541a65a8
+refs/heads/master: df7a3ee29b775edd1c2d75cf0b128b174bd4091e
diff --git a/trunk/drivers/xen/Kconfig b/trunk/drivers/xen/Kconfig
index b1d524aeb3c3..94243136f6bf 100644
--- a/trunk/drivers/xen/Kconfig
+++ b/trunk/drivers/xen/Kconfig
@@ -180,7 +180,7 @@ config XEN_PRIVCMD
 
 config XEN_ACPI_PROCESSOR
 	tristate "Xen ACPI processor"
-	depends on XEN && X86 && ACPI_PROCESSOR
+	depends on XEN && X86 && ACPI_PROCESSOR && CPU_FREQ
 	default m
 	help
           This ACPI processor uploads Power Management information to the Xen hypervisor.