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    vrtc: change its year offset from 1960 to 1972 · 57e6319d
    Feng Tang 提交于
    Real world year equals the value in vrtc YEAR register plus an offset.
    We used 1960 as the offset to make leap year consistent, but for a
    device's first use, its YEAR register is 0 and the system year will
    be parsed as 1960 which is not a valid UNIX time and will cause many
    applications to fail mysteriously. So we use 1972 instead to fix this
    issue.
    
    Updated patch which adds a sanity check suggested by Mathias
    
    This isn't a change in behaviour for systems, because 1972 is the one we
    actually use. It's the old version in upstream which is out of sync with
    all devices.
    Signed-off-by: NFeng Tang <feng.tang@intel.com>
    Signed-off-by: NAlan Cox <alan@linux.intel.com>
    Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
    57e6319d
rtc-mrst.c 13.0 KB