(version 3) LinuxPPS new functionalities

This patchset adds several PPS functionalities.

All patches have a specific comment but I prefer say something more:

* Patches 01-02 are just documentation about PPS support.

* Patch 03 adds PPS client support skeleton.

* Patches 04-06 add generic PPS serial support (with specific
  modifications requested by Alan Cox).

* Patches 07-08 add PPS serial support for specific hardware.

Changelog:

V3 -> V2

* On patch 01:
        - client name moved to pps-ktimer.
        - not needed continuation characters removed.
        - typos fix up.

V2 -> V1

* Old patches 01-02 removed due related to userland code and then
  managed elsewhere.

* char: n_tty.c: documentation in kerneldoc form added.

* pps: pps-ldisc: avoid using global functions over in n_tty.c

Ciao,

Rodolfo

--

 b/Documentation/serial/tty.txt     |    4 
 b/drivers/char/n_tty.c             |   17 ++++
 b/drivers/pps/Kconfig              |    2 
 b/drivers/pps/Makefile             |    1 
 b/drivers/pps/clients/Kconfig      |   18 ++++
 b/drivers/pps/clients/Makefile     |    9 ++
 b/drivers/pps/clients/pps-ktimer.c |  123 +++++++++++++++++++++++++++++
 b/drivers/pps/clients/pps-ldisc.c  |  154 +++++++++++++++++++++++++++++++++++++
 b/drivers/serial/8250.c            |   16 +++
 b/drivers/serial/amba-pl010.c      |   15 +++
 b/include/linux/serial_core.h      |   11 ++
 b/include/linux/tty.h              |    1 
 b/include/linux/tty_ldisc.h        |    8 +
 drivers/pps/clients/Kconfig        |    7 +
 drivers/pps/clients/Makefile       |    1 
 15 files changed, 386 insertions(+), 1 deletion(-)

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