rtc_freq_test_attr_group 1163 drivers/rtc/rtc-ds1307.c static const struct attribute_group rtc_freq_test_attr_group = { rtc_freq_test_attr_group 1175 drivers/rtc/rtc-ds1307.c err = rtc_add_group(ds1307->rtc, &rtc_freq_test_attr_group);