ptp_groups        396 drivers/ptp/ptp_clock.c 	ptp_class->dev_groups = ptp_groups;
ptp_groups         87 drivers/ptp/ptp_private.h extern const struct attribute_group *ptp_groups[];
ptp_groups        196 drivers/ptp/ptp_sysfs.c const struct attribute_group *ptp_groups[] = {