misc: ioc4: Use ktime_get_ns()
Replace the ever recurring:
ts = ktime_get_ts();
ns = timespec_to_ns(&ts);
with
ns = ktime_get_ns();
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/drivers/misc/ioc4.c b/drivers/misc/ioc4.c
index 06f6ad2..3336ddc 100644
--- a/drivers/misc/ioc4.c
+++ b/drivers/misc/ioc4.c
@@ -145,7 +145,6 @@
union ioc4_int_out int_out;
union ioc4_gpcr gpcr;
unsigned int state, last_state = 1;
- struct timespec start_ts, end_ts;
uint64_t start, end, period;
unsigned int count = 0;
@@ -174,10 +173,10 @@
if (!last_state && state) {
count++;
if (count == IOC4_CALIBRATE_END) {
- ktime_get_ts(&end_ts);
+ end = ktime_get_ns();
break;
} else if (count == IOC4_CALIBRATE_DISCARD)
- ktime_get_ts(&start_ts);
+ start = ktime_get_ns();
}
last_state = state;
} while (1);
@@ -192,8 +191,6 @@
* by which the IOC4 generates the square wave, to get the
* period of an IOC4 INT_OUT count.
*/
- end = end_ts.tv_sec * NSEC_PER_SEC + end_ts.tv_nsec;
- start = start_ts.tv_sec * NSEC_PER_SEC + start_ts.tv_nsec;
period = (end - start) /
(IOC4_CALIBRATE_CYCLES * 2 * (IOC4_CALIBRATE_COUNT + 1));