firewire: Use ktime_get_ts()

do_posix_clock_monotonic_gettime() is a leftover from the initial
posix timer implementation which maps to ktime_get_ts()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Link: http://lkml.kernel.org/r/20140611234607.351283464@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index d7d5c8a..5d997a3 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -1214,9 +1214,9 @@
 	cycle_time = card->driver->read_csr(card, CSR_CYCLE_TIME);
 
 	switch (a->clk_id) {
-	case CLOCK_REALTIME:      getnstimeofday(&ts);                   break;
-	case CLOCK_MONOTONIC:     do_posix_clock_monotonic_gettime(&ts); break;
-	case CLOCK_MONOTONIC_RAW: getrawmonotonic(&ts);                  break;
+	case CLOCK_REALTIME:      getnstimeofday(&ts);	break;
+	case CLOCK_MONOTONIC:     ktime_get_ts(&ts);	break;
+	case CLOCK_MONOTONIC_RAW: getrawmonotonic(&ts);	break;
 	default:
 		ret = -EINVAL;
 	}