refclock: update comment in PHC driver

Since Linux 6.7 external timestamping events are no longer shared among
all descriptors of a PHC. Each descriptor gets its own copy of each
timestamp.
This commit is contained in:
Miroslav Lichvar 2024-04-10 12:02:50 +02:00
parent 5235c51801
commit 28e4eec1c4

View file

@ -175,7 +175,7 @@ static void read_ext_pulse(int fd, int event, void *anything)
instance = anything; instance = anything;
phc1 = RCL_GetDriverData(instance); phc1 = RCL_GetDriverData(instance);
/* The Linux kernel (as of 6.2) has one shared queue of timestamps for all /* Linux versions before 6.7 had one shared queue of timestamps for all
descriptors of the same PHC. Search for all refclocks that expect descriptors of the same PHC. Search for all refclocks that expect
the timestamp. */ the timestamp. */