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Diffstat (limited to 'include/linux/rtc.h')
-rw-r--r--include/linux/rtc.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 877ece45426..b27ebea2566 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__