rtc: Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900

[ Upstream commit d3062d1d7415cb5a37777220357aca51a491c3d7 ]

Printing "mktime64(1900, 1, 1, 0, 0, 0)" gives -2208988800.

Fixes: 83bbc5ac63326433 ("rtc: Add useful timestamp definitions")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 6aedc30..5a34f59 100644 (file)
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -163,7 +163,7 @@ 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_1900       -2208988800LL /* 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 */