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/serial_core.h b/include/linux/serial_core.h
index a23fa29d4eb0..758c5b0c6fd3 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -212,6 +212,7 @@
 #include <linux/tty.h>
 #include <linux/mutex.h>
 #include <linux/sysrq.h>
+#include <linux/pps_kernel.h>
 
 struct uart_port;
 struct serial_struct;
@@ -528,10 +529,10 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
         struct uart_state *state = uport->state;
         struct tty_port *port = &state->port;
         struct tty_ldisc *ld = tty_ldisc_ref(port->tty);
-        struct timespec ts;
+        struct pps_event_time ts;
 
         if (ld && ld->ops->dcd_change)
-                getnstimeofday(&ts);
+                pps_get_ts(&ts);
 
         uport->icount.dcd++;
 #ifdef CONFIG_HARD_PPS