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    Subject[PATCH 07/10] tty: new PPS line discipline.
    Add a new line discipline for "pulse per second" devices connected to
    a serial port.

    Signed-off-by: Rodolfo Giometti <giometti@linux.it>
    ---
    include/linux/tty.h | 3 ++-
    1 files changed, 2 insertions(+), 1 deletions(-)

    diff --git a/include/linux/tty.h b/include/linux/tty.h
    index 826d695..1857db2 100644
    --- a/include/linux/tty.h
    +++ b/include/linux/tty.h
    @@ -24,7 +24,7 @@
    */
    #define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */
    #define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
    -#define NR_LDISCS 18
    +#define NR_LDISCS 19

    /* line disciplines */
    #define N_TTY 0
    @@ -46,6 +46,7 @@
    #define N_HCI 15 /* Bluetooth HCI UART */
    #define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */
    #define N_SLCAN 17 /* Serial / USB serial CAN Adaptors */
    +#define N_PPS 18 /* Pulse per Second */

    /*
    * This character is the same as _POSIX_VDISABLE: it cannot be used as
    --
    1.5.4.3


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