1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 77bf4aa217a8..7ecffc9c738f 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -909,6 +909,8 @@ int hpet_alloc(struct hpet_data *hdp)
 
         hpetp->hp_delta = hpet_calibrate(hpetp);
 
+/* This clocksource driver currently only works on ia64 */
+#ifdef CONFIG_IA64
         if (!hpet_clocksource) {
                 hpet_mctr = (void __iomem *)&hpetp->hp_hpet->hpet_mc;
                 CLKSRC_FSYS_MMIO_SET(clocksource_hpet.fsys_mmio, hpet_mctr);
@@ -918,6 +920,7 @@ int hpet_alloc(struct hpet_data *hdp)
                 hpetp->hp_clocksource = &clocksource_hpet;
                 hpet_clocksource = &clocksource_hpet;
         }
+#endif
 
         return 0;
 }