1 files changed, 2 insertions, 0 deletions

diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index f8ae709de0b5..26814de6c29a 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -118,7 +118,9 @@ static ia64_mc_info_t		ia64_mc_info;
 #define CPE_HISTORY_LENGTH    5
 #define CMC_HISTORY_LENGTH    5
 
+#ifdef CONFIG_ACPI
 static struct timer_list cpe_poll_timer;
+#endif
 static struct timer_list cmc_poll_timer;
 /*
  * This variable tells whether we are currently in polling mode.