rcar-vin: use monotonic timestamps

Even though the rcar-vin driver tells userspace that it will give a monotonic timestamp, it is actually using gettimeofday. Replace this with a proper monotonic timestamp.

drivers/media/platform/soc_camera/rcar_vin.c +1 -2

index 35deed8..b64dfea 100644
@@ -894,7 +894,7 @@ static irqreturn_t rcar_vin_irq(int irq, void *data)
 
 		priv->queue_buf[slot]->v4l2_buf.field = priv->field;
 		priv->queue_buf[slot]->v4l2_buf.sequence = priv->sequence++;
-		do_gettimeofday(&priv->queue_buf[slot]->v4l2_buf.timestamp);
+		v4l2_get_timestamp(&priv->queue_buf[slot]->v4l2_buf.timestamp);
 		vb2_buffer_done(priv->queue_buf[slot], VB2_BUF_STATE_DONE);
 		priv->queue_buf[slot] = NULL;
 
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Quoted 3 lines · Hans Verkuil

Even though the rcar-vin driver tells userspace that it will give a monotonic timestamp, it is actually using gettimeofday. Replace this with a proper monotonic timestamp.

It was clearly too early in the day for me, but here is my Signed-off-by:

Signed-off-by Hans Verkuil <[email protected]>

Quoted 15 lines

(quoted diff) +0 -0

b/drivers/media/platform/soc_camera/rcar_vin.c index 35deed8..b64dfea 100644

drivers/media/platform/soc_camera/rcar_vin.c +1 -1

@@ -894,7 +894,7 @@ static irqreturn_t rcar_vin_irq(int irq, void *data)
 
 		priv->queue_buf[slot]->v4l2_buf.field = priv->field;
 		priv->queue_buf[slot]->v4l2_buf.sequence = priv->sequence++;
 
-		do_gettimeofday(&priv->queue_buf[slot]->v4l2_buf.timestamp);
+		v4l2_get_timestamp(&priv->queue_buf[slot]->v4l2_buf.timestamp);
 
 		vb2_buffer_done(priv->queue_buf[slot], VB2_BUF_STATE_DONE);

priv->queue_buf[slot] = NULL;