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rtc: rv8803: Fix read day of week
authorBenoît Thébaudeau <benoit@wsystem.com>
Thu, 21 Jul 2016 10:41:29 +0000 (12:41 +0200)
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>
Thu, 28 Jul 2016 07:59:37 +0000 (09:59 +0200)
commita1e98e09704ad247bff3c0de1bef6a73dc88b6d0
tree48f18d457aeffe90c1332d9d0592151b7b51b2b6tree | snapshot
parent96acb25c50e77355673b89765b96bd764abf487dcommit | diff
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>
drivers/rtc/rtc-rv8803.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)