Signed-off-by: Richard Cochran <richardcoch...@gmail.com> --- phc2sys.8 | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/phc2sys.8 b/phc2sys.8 index b3a3de3..66007eb 100644 --- a/phc2sys.8 +++ b/phc2sys.8 @@ -1,4 +1,4 @@ -.TH PHC2SYS 8 "April 2018" "linuxptp" +.TH PHC2SYS 8 "January 2021" "linuxptp" .SH NAME phc2sys \- synchronize two or more clocks @@ -83,18 +83,10 @@ default. .TP .BI \-d " pps-device" Specify the PPS device of the master clock (e.g. /dev/pps0). With this option -the PPS synchronization mode is used instead of the direct mode. As the PPS -signal does not specify time and only marks start of a second, the slave clock -should be already close to the correct time before -.B phc2sys -is started or the -.B \-s -option should be used too. With the +the PPS synchronization mode is used instead of the direct mode. The +matching PHC must be specified using the .B \-s -option the PPS signal of the master clock is enabled automatically, otherwise -it has to be enabled before -.B phc2sys -is started (e.g. by running \f(CWecho 1 > /sys/class/ptp/ptp0/pps_enable\fP). +command line option. This option can be used only with the system clock as the slave clock. Not compatible with the .B \-a -- 2.20.1 _______________________________________________ Linuxptp-devel mailing list Linuxptp-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-devel
