Signed-off-by: Richard Cochran <richardcoch...@gmail.com>
---
phc2sys.c | 10 +++++-----
ptp4l.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/phc2sys.c b/phc2sys.c
index 64bdf26..18d9a9c 100644
--- a/phc2sys.c
+++ b/phc2sys.c
@@ -1319,10 +1319,10 @@ static void usage(char *progname)
" -r synchronize system (realtime) clock\n"
" repeat -r to consider it also as a time
source\n"
" manual configuration:\n"
- " -c [dev|name] slave clock (CLOCK_REALTIME)\n"
- " -d [dev] master PPS device\n"
- " -s [dev|name] master clock\n"
- " -O [offset] slave-master time offset (0)\n"
+ " -c [dev|name] time sink device (CLOCK_REALTIME)\n"
+ " -d [dev] time source PPS device\n"
+ " -s [dev|name] time source device\n"
+ " -O [offset] sink-source time offset in seconds (0)\n"
" -w wait for ptp4l\n"
" common options:\n"
" -f [file] configuration file\n"
@@ -1331,7 +1331,7 @@ static void usage(char *progname)
" -I [ki] integration constant (0.3)\n"
" -S [step] step threshold (disabled)\n"
" -F [step] step threshold only on start (0.00002)\n"
- " -R [rate] slave clock update rate in HZ (1.0)\n"
+ " -R [rate] update rate for the time sink devices in HZ
(1.0)\n"
" -N [num] number of master clock readings per update
(5)\n"
" -L [limit] sanity frequency limit in ppb (200000000)\n"
" -M [num] NTP SHM segment number (0)\n"
diff --git a/ptp4l.c b/ptp4l.c
index 84661c5..a411c87 100644
--- a/ptp4l.c
+++ b/ptp4l.c
@@ -58,7 +58,7 @@ static void usage(char *progname)
" (may be specified multiple times)\n"
" -p [dev] Clock device to use, default auto\n"
" (ignored for SOFTWARE/LEGACY HW time stamping)\n"
- " -s slave only mode (overrides configuration file)\n"
+ " -s time sink only mode (overrides configuration
file)\n"
" -l [num] set the logging level to 'num'\n"
" -m print messages to stdout\n"
" -q do not print messages to the syslog\n"
--
2.20.1
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