For a shared timers, the mct_init_dt() should not initialize the clock
even with global comparator. This is not an error, thus the function
should simply return 0, not 'ret'.
This also fixes smatch warning:
drivers/clocksource/exynos_mct.c:635 mct_init_dt() warn: missing error code? 'ret'
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <error27@xxxxxxxxx>
Link: https://lore.kernel.org/r/202304021446.46XVKag0-lkp@xxxxxxxxx/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
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