diff --git a/[refs] b/[refs]
index 83d1ec4a5377..9b135d454b80 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8d91640606c47551771a9b27664f249f4b176613
+refs/heads/master: 9c2be6a0fa186e2cb0cf14f41f20b08a5809a026
diff --git a/trunk/arch/x86_64/Kconfig b/trunk/arch/x86_64/Kconfig
index 0f430d9d3632..289f448ac89c 100644
--- a/trunk/arch/x86_64/Kconfig
+++ b/trunk/arch/x86_64/Kconfig
@@ -305,6 +305,7 @@ config HPET_TIMER
 
 config X86_PM_TIMER
 	bool "PM timer"
+	depends on ACPI
 	default y
 	help
 	  Support the ACPI PM timer for time keeping. This is slow,