SUNXI_WDT_PERIOD_DEFAULT
smw->smw_period = SUNXI_WDT_PERIOD_DEFAULT;
smw->smw_period = SUNXI_WDT_PERIOD_DEFAULT;
smw->smw_period = SUNXI_WDT_PERIOD_DEFAULT;
sc->sc_smw.smw_period = SUNXI_WDT_PERIOD_DEFAULT;