diff options
Diffstat (limited to 'include/linux/mc146818rtc.h')
| -rw-r--r-- | include/linux/mc146818rtc.h | 7 |
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 */ |