m41t93_set_reg
m41t93_set_reg(spi, M41T93_REG_ALM_HOUR_HT,
m41t93_set_reg(spi, M41T93_REG_FLAGS, tmp & ~M41T93_FLAG_OF);
m41t93_set_reg(spi, M41T93_REG_ST_SEC, reset_osc);
m41t93_set_reg(spi, M41T93_REG_ST_SEC, reset_osc);