diff options
Diffstat (limited to 'tools/testing/selftests/ptp/testptp.c')
| -rw-r--r-- | tools/testing/selftests/ptp/testptp.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c index c9f6cca4feb4..011252fe238c 100644 --- a/tools/testing/selftests/ptp/testptp.c +++ b/tools/testing/selftests/ptp/testptp.c @@ -121,6 +121,7 @@ static void usage(char *progname) " -d name device to open\n" " -e val read 'val' external time stamp events\n" " -f val adjust the ptp clock frequency by 'val' ppb\n" + " -F chan Enable single channel mask and keep device open for debugfs verification.\n" " -g get the ptp clock time\n" " -h prints this message\n" " -i val index for event/trigger\n" @@ -187,6 +188,7 @@ int main(int argc, char *argv[]) int pps = -1; int seconds = 0; int settime = 0; + int channel = -1; int64_t t1, t2, tp; int64_t interval, offset; @@ -196,7 +198,7 @@ int main(int argc, char *argv[]) progname = strrchr(argv[0], '/'); progname = progname ? 1+progname : argv[0]; - while (EOF != (c = getopt(argc, argv, "cd:e:f:ghH:i:k:lL:n:o:p:P:sSt:T:w:x:Xz"))) { + while (EOF != (c = getopt(argc, argv, "cd:e:f:F:ghH:i:k:lL:n:o:p:P:sSt:T:w:x:Xz"))) { switch (c) { case 'c': capabilities = 1; @@ -210,6 +212,9 @@ int main(int argc, char *argv[]) case 'f': adjfreq = atoi(optarg); break; + case 'F': + channel = atoi(optarg); + break; case 'g': gettime = 1; break; @@ -604,6 +609,18 @@ int main(int argc, char *argv[]) free(xts); } + if (channel >= 0) { + if (ioctl(fd, PTP_MASK_CLEAR_ALL)) { + perror("PTP_MASK_CLEAR_ALL"); + } else if (ioctl(fd, PTP_MASK_EN_SINGLE, (unsigned int *)&channel)) { + perror("PTP_MASK_EN_SINGLE"); + } else { + printf("Channel %d exclusively enabled. Check on debugfs.\n", channel); + printf("Press any key to continue\n."); + getchar(); + } + } + close(fd); return 0; } |