From 83bbc5ac63326433755592829caf02920b3d8dc0 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Thu, 8 Mar 2018 00:13:52 +0100 Subject: [PATCH] rtc: Add useful timestamp definitions Add commonly used timestamps for range definition. Signed-off-by: Alexandre Belloni --- include/linux/rtc.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 82a3038f16ab..4c007f69082f 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -169,6 +169,11 @@ struct rtc_device { }; #define to_rtc_device(d) container_of(d, struct rtc_device, dev) +/* useful timestamps */ +#define RTC_TIMESTAMP_BEGIN_1900 -2208989361LL /* 1900-01-01 00:00:00 */ +#define RTC_TIMESTAMP_BEGIN_2000 946684800LL /* 2000-01-01 00:00:00 */ +#define RTC_TIMESTAMP_END_2099 4102444799LL /* 2099-12-31 23:59:59 */ + extern struct rtc_device *rtc_device_register(const char *name, struct device *dev, const struct rtc_class_ops *ops, -- 2.11.0