1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h
index bdc01127dced..580b3f4956ee 100644
--- a/include/linux/mc146818rtc.h
+++ b/include/linux/mc146818rtc.h
@@ -22,8 +22,15 @@ extern spinlock_t rtc_lock;		/* serialize CMOS RAM access */
 /* Some RTCs extend the mc146818 register set to support alarms of more
  * than 24 hours in the future; or dates that include a century code.
  * This platform_data structure can pass this information to the driver.
+ *
+ * Also, some platforms need suspend()/resume() hooks to kick in special
+ * handling of wake alarms, e.g. activating ACPI BIOS hooks or setting up
+ * a separate wakeup alarm used by some almost-clone chips.
  */
 struct cmos_rtc_board_info {
+        void    (*wake_on)(struct device *dev);
+        void    (*wake_off)(struct device *dev);
+
         u8      rtc_day_alarm;          /* zero, or register index */
         u8      rtc_mon_alarm;          /* zero, or register index */
         u8      rtc_century;            /* zero, or register index */