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:249: warning: No description found for return value of 'scaled_ppm_to_ppb'
include/linux/ptp_clock_kernel.h:306: warning: No description found for return value of 'adjust_by_scaled_ppm'
include/linux/ptp_clock_kernel.h:330: warning: No description found for return value of 'ptp_clock_register'
include/linux/ptp_clock_kernel.h:338: warning: No description found for return value of 'ptp_clock_unregister'
include/linux/ptp_clock_kernel.h:356: warning: No description found for return value of 'ptp_clock_index'
include/linux/ptp_clock_kernel.h:403: warning: No description found for return value of 'ptp_schedule_worker'
include/linux/ptp_clock_kernel.h:453: warning: No description found for return value of 'ptp_get_vclocks_index'
include/linux/ptp_clock_kernel.h:463: warning: No description found for return value of 'ptp_convert_timestamp'