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(parent: 1253620) | patch
rtc: sirfsoc: set range
authorAlexandre Belloni <alexandre.belloni@bootlin.com>
Thu, 5 Mar 2020 16:04:51 +0000 (17:04 +0100)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Mon, 16 Mar 2020 10:12:09 +0000 (11:12 +0100)
commitb0fd91df81f07f684bd59a9efd5233e709d55126
tree3fad5fb24ebf324145589223bc79ed79889de929tree | snapshot
parent1253620113cc5dfe1ccc06d8d224a778aba10334commit | diff
rtc: sirfsoc: set range

This RTC is a 32bit counter running at 16Hz. This overflows every eight
years and a half. However, the driver uses the SW_VALUE register to store
the overflow, extending the counter to 64bit as long as the update happens
before the overflow.

Link: https://lore.kernel.org/r/20200305160452.27808-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/rtc/rtc-sirfsoc.c diff | blob | history
Linux Kernel Source Tree.