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Commit 93e9ad98 authored by Richard Cochran's avatar Richard Cochran Committed by David S. Miller
Browse files

ptp: Fix documentation to match code. 



Ever since commit 3a06c7ac ("posix-clocks: Remove interval timer
facility and mmap/fasync callbacks") the possibility of PHC based
posix timers has been removed.  In addition it will probably never
make sense to implement this functionality.

This patch removes the misleading text which seems to suggest that
posix timers for PHC devices will ever be a thing.

Signed-off-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 99f2241c

Documentation/ptp/ptp.txt

+1 −4
Original line number Diff line number Diff line
@@ -18,7 +18,6 @@ 
    - Adjust clock frequency



  + Ancillary clock features

    - One short or periodic alarms, with signal delivery to user program

    - Time stamp external events

    - Period output signals configurable from user space

    - Synchronization of the Linux system time via the PPS subsystem
@@ -48,9 +47,7 @@ 
   User space programs may control the clock using standardized

   ioctls. A program may query, enable, configure, and disable the

   ancillary clock features. User space can receive time stamped

   events via blocking read() and poll(). One shot and periodic

   signals may be configured via the POSIX timer_settime() system

   call.

   events via blocking read() and poll().



** Writing clock drivers