1 files changed, 4 insertions, 4 deletions

diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 877ece45426f..b27ebea25660 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -92,10 +92,10 @@ struct rtc_pll_info {
 #define RTC_PLL_SET     _IOW('p', 0x12, struct rtc_pll_info)  /* Set PLL correction */
 
 /* interrupt flags */
-#define RTC_IRQF 0x80 /* any of the following is active */
-#define RTC_PF 0x40
-#define RTC_AF 0x20
-#define RTC_UF 0x10
+#define RTC_IRQF 0x80   /* Any of the following is active */
+#define RTC_PF 0x40     /* Periodic interrupt */
+#define RTC_AF 0x20     /* Alarm interrupt */
+#define RTC_UF 0x10     /* Update interrupt for 1Hz RTC */
 
 #ifdef __KERNEL__