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| /linux/drivers/rtc/ |
| H A D | rtc-rv8803.c | diff a1e98e09704ad247bff3c0de1bef6a73dc88b6d0 Thu Jul 21 12:41:29 CEST 2016 Benoît Thébaudeau <benoit@wsystem.com> rtc: rv8803: Fix read day of week
The Weekday register is encoded as 2^tm_wday, with tm_wday in 0..6, so
using tm_wday = ffs(reg) to fill tm_wday from the register value is
wrong because this gives the expected value + 1. This could be fixed as
tm_wday = ffs(reg) - 1, but tm_wday = ilog2(reg) works as well and is
more direct.
Signed-off-by: Benoît Thébaudeau <benoit@wsystem.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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