include/linux/ptp_clock_kernel.h:237: warning: No description found for return value of 'scaled_ppm_to_ppb'
include/linux/ptp_clock_kernel.h:294: warning: No description found for return value of 'adjust_by_scaled_ppm'
include/linux/ptp_clock_kernel.h:318: warning: No description found for return value of 'ptp_clock_register'
include/linux/ptp_clock_kernel.h:326: warning: No description found for return value of 'ptp_clock_unregister'
include/linux/ptp_clock_kernel.h:344: warning: No description found for return value of 'ptp_clock_index'
include/linux/ptp_clock_kernel.h:391: warning: No description found for return value of 'ptp_schedule_worker'
include/linux/ptp_clock_kernel.h:441: warning: No description found for return value of 'ptp_get_vclocks_index'
include/linux/ptp_clock_kernel.h:451: warning: No description found for return value of 'ptp_convert_timestamp'
include/linux/ptp_clock_kernel.h:267: warning: No description found for return value of 'scaled_ppm_to_ppb'
include/linux/ptp_clock_kernel.h:324: warning: No description found for return value of 'adjust_by_scaled_ppm'
include/linux/ptp_clock_kernel.h:348: warning: No description found for return value of 'ptp_clock_register'
include/linux/ptp_clock_kernel.h:356: warning: No description found for return value of 'ptp_clock_unregister'
include/linux/ptp_clock_kernel.h:374: warning: No description found for return value of 'ptp_clock_index'
include/linux/ptp_clock_kernel.h:421: warning: No description found for return value of 'ptp_schedule_worker'
include/linux/ptp_clock_kernel.h:471: warning: No description found for return value of 'ptp_get_vclocks_index'
include/linux/ptp_clock_kernel.h:481: warning: No description found for return value of 'ptp_convert_timestamp'