rtc: clarify the RTC offset correction
authorRussell King <rmk+kernel@armlinux.org.uk>
Fri, 29 Sep 2017 10:23:25 +0000 (11:23 +0100)
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>
Wed, 25 Oct 2017 21:05:52 +0000 (23:05 +0200)
commit8a25c8f66c46077bd5ae8ea5f6fd6fa08ea8231a
treed91e95f91a5e933778317c5880b5a87c31c2747e
parent9d7ed21ff4af20628bad39689ff946d4649472d6
rtc: clarify the RTC offset correction

The RTC offset correction documentation is not very clear about the
exact relationship between "offset" and the effect it has on the RTC.
Supplement the documentation with an equation giving the relationship.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
drivers/rtc/interface.c