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drivers: rtc: resolve year 2038 problem in rtc_to_tm

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Our implementation of rtc_to_tm() cannot handle dates of more than
0x7fffffff seconds after 1970-01-01.

Adopt the Linux kernel implementation.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2018-07-07 23:39:11 +02:00
committed by Tom Rini
parent 0938cff737
commit 992c1db455
5 changed files with 90 additions and 47 deletions
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drivers/rtc/Makefile
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@@ -8,6 +8,7 @@ obj-$(CONFIG_DM_RTC) += rtc-uclass.o
obj-$(CONFIG_RTC_AT91SAM9_RTT) += at91sam9_rtt.o
obj-y += date.o
obj-y += rtc-lib.o
obj-$(CONFIG_RTC_DAVINCI) += davinci.o
obj-$(CONFIG_RTC_DS1302) += ds1302.o
obj-$(CONFIG_RTC_DS1306) += ds1306.o