pps: unify timestamp gathering

Add a helper function to gather timestamps.  This way clients don't have
to duplicate it.

Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 526d66f066a3..763e061e19f1 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -101,7 +101,7 @@
  *      any pending driver I/O is completed.
  *
  * void (*dcd_change)(struct tty_struct *tty, unsigned int status,
- *                      struct timespec *ts)
+ *                      struct pps_event_time *ts)
  *
  *      Tells the discipline that the DCD pin has changed its status and
  *      the relative timestamp. Pointer ts can be NULL.
@@ -109,6 +109,7 @@
 
 #include <linux/fs.h>
 #include <linux/wait.h>
+#include <linux/pps_kernel.h>
 
 struct tty_ldisc_ops {
         int     magic;
@@ -143,7 +144,7 @@ struct tty_ldisc_ops {
                                char *fp, int count);
         void    (*write_wakeup)(struct tty_struct *);
         void    (*dcd_change)(struct tty_struct *, unsigned int,
-                                struct timespec *);
+                                struct pps_event_time *);
 
         struct  module *owner;