diff --git a/drivers/clocksource/arc_timer.c b/drivers/clocksource/arc_timer.c
index b28970ca4a7a..b1f21bf3b83c 100644
--- a/drivers/clocksource/arc_timer.c
+++ b/drivers/clocksource/arc_timer.c
@@ -16,6 +16,7 @@
  */
 
 #include <linux/interrupt.h>
+#include <linux/bits.h>
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/clocksource.h>
@@ -142,7 +143,7 @@ static u64 arc_read_rtc(struct clocksource *cs)
 		l = read_aux_reg(AUX_RTC_LOW);
 		h = read_aux_reg(AUX_RTC_HIGH);
 		status = read_aux_reg(AUX_RTC_CTRL);
-	} while (!(status & _BITUL(31)));
+	} while (!(status & BIT(31)));
 
 	return (((u64)h) << 32) | l;
 }