diff options
-rw-r--r-- | Documentation/pps/pps.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/pps/pps.txt b/Documentation/pps/pps.txt index a15a1169cbd9..a9f53bba910d 100644 --- a/Documentation/pps/pps.txt +++ b/Documentation/pps/pps.txt | |||
@@ -63,7 +63,7 @@ for instance) is a PPS source too, and if not they should provide the | |||
63 | possibility to open another device as PPS source. | 63 | possibility to open another device as PPS source. |
64 | 64 | ||
65 | In LinuxPPS the PPS sources are simply char devices usually mapped | 65 | In LinuxPPS the PPS sources are simply char devices usually mapped |
66 | into files /dev/pps0, /dev/pps1, etc.. | 66 | into files /dev/pps0, /dev/pps1, etc. |
67 | 67 | ||
68 | 68 | ||
69 | PPS with USB to serial devices | 69 | PPS with USB to serial devices |
@@ -71,7 +71,7 @@ PPS with USB to serial devices | |||
71 | 71 | ||
72 | It is possible to grab the PPS from an USB to serial device. However, | 72 | It is possible to grab the PPS from an USB to serial device. However, |
73 | you should take into account the latencies and jitter introduced by | 73 | you should take into account the latencies and jitter introduced by |
74 | the USB stack. Users has reported clock instability around +-1ms when | 74 | the USB stack. Users have reported clock instability around +-1ms when |
75 | synchronized with PPS through USB. This isn't suited for time server | 75 | synchronized with PPS through USB. This isn't suited for time server |
76 | synchronization. | 76 | synchronization. |
77 | 77 | ||