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:266: warning: No description found for return value of 'scaled_ppm_to_ppb'
include/linux/ptp_clock_kernel.h:323: warning: No description found for return value of 'adjust_by_scaled_ppm'
include/linux/ptp_clock_kernel.h:347: warning: No description found for return value of 'ptp_clock_register'
include/linux/ptp_clock_kernel.h:355: warning: No description found for return value of 'ptp_clock_unregister'
include/linux/ptp_clock_kernel.h:373: warning: No description found for return value of 'ptp_clock_index'
include/linux/ptp_clock_kernel.h:420: warning: No description found for return value of 'ptp_schedule_worker'
include/linux/ptp_clock_kernel.h:470: warning: No description found for return value of 'ptp_get_vclocks_index'
include/linux/ptp_clock_kernel.h:480: warning: No description found for return value of 'ptp_convert_timestamp'