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commit4dfe05bdc1upstream. In `ds1347_set_time()`, the wrong value is being written to the `DS1347_CENTURY_REG` register. It needs to be converted to BCD. Fix it. Fixes:147dae76db("rtc: ds1347: handle century register") Cc: <stable@vger.kernel.org> # v5.5+ Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20221027163249.447416-1-abbotti@mev.co.uk Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>