mfd: cros_ec_spi: 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: Lee Jones <lee.jones@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/mfd/cros_ec_spi.c b/drivers/mfd/cros_ec_spi.c
index 0b8d32829166..8c1c7cc373f8 100644
--- a/drivers/mfd/cros_ec_spi.c
+++ b/drivers/mfd/cros_ec_spi.c
@@ -225,7 +225,6 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
         u8 *ptr;
         int sum;
         int ret = 0, final_ret;
-        struct timespec ts;
 
         /*
          * We have the shared ec_dev buffer plus we do lots of separate spi_sync
@@ -239,11 +238,9 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
 
         /* If it's too soon to do another transaction, wait */
         if (ec_spi->last_transfer_ns) {
-                struct timespec ts;
                 unsigned long delay;    /* The delay completed so far */
 
-                ktime_get_ts(&ts);
-                delay = timespec_to_ns(&ts) - ec_spi->last_transfer_ns;
+                delay = ktime_get_ns() - ec_spi->last_transfer_ns;
                 if (delay < EC_SPI_RECOVERY_TIME_NS)
                         ndelay(EC_SPI_RECOVERY_TIME_NS - delay);
         }
@@ -280,8 +277,7 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
         }
 
         final_ret = spi_sync(ec_spi->spi, &msg);
-        ktime_get_ts(&ts);
-        ec_spi->last_transfer_ns = timespec_to_ns(&ts);
+        ec_spi->last_transfer_ns = ktime_get_ns();
         if (!ret)
                 ret = final_ret;
         if (ret < 0) {