Xingyu Chen <xingyu.chen@xxxxxxxxxxx> writes: > The left time value is wrong when we get it by sysfs. The left time value > should be equal to preset timeout value minus elapsed time value. According > to the Meson-GXB/GXL datasheets which can be found at [0], the timeout value > is saved to BIT[0-15] of the WATCHDOG_TCNT, and elapsed time value is saved > to BIT[16-31] of the WATCHDOG_TCNT. > > [0]: http://linux-meson.com > > Fixes: 683fa50f0e18 ("watchdog: Add Meson GXBB Watchdog Driver") > Signed-off-by: Xingyu Chen <xingyu.chen@xxxxxxxxxxx> Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxxxx>