media: zoran: use u64 for the timestamp internally

Just like vb2 does, use u64 internally to store the timestamps
of the buffers. Only convert to timeval when interfacing with
userspace.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/zoran/zoran.h

@@ -35,7 +35,7 @@ struct zoran_sync {
 	unsigned long frame;	/* number of buffer that has been free'd */
 	unsigned long length;	/* number of code bytes in buffer (capture only) */
 	unsigned long seq;	/* frame sequence number */
-	struct timeval timestamp;	/* timestamp */
+	u64 ts;			/* timestamp */
 };
 
 

drivers/staging/media/zoran/zoran_device.c

@@ -1151,7 +1151,7 @@ zoran_reap_stat_com (struct zoran *zr)
 		}
 		frame = zr->jpg_pend[zr->jpg_dma_tail & BUZ_MASK_FRAME];
 		buffer = &zr->jpg_buffers.buffer[frame];
-		v4l2_get_timestamp(&buffer->bs.timestamp);
+		buffer->bs.ts = ktime_get_ns();
 
 		if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) {
 			buffer->bs.length = (stat_com & 0x7fffff) >> 1;
@@ -1389,7 +1389,7 @@ zoran_irq (int             irq,
 
 						zr->v4l_buffers.buffer[zr->v4l_grab_frame].state = BUZ_STATE_DONE;
 						zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.seq = zr->v4l_grab_seq;
-						v4l2_get_timestamp(&zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.timestamp);
+						zr->v4l_buffers.buffer[zr->v4l_grab_frame].bs.ts = ktime_get_ns();
 						zr->v4l_grab_frame = NO_GRAB_ACTIVE;
 						zr->v4l_pend_tail++;
 					}

drivers/staging/media/zoran/zoran_driver.c

@@ -1354,7 +1354,7 @@ static int zoran_v4l2_buffer_status(struct zoran_fh *fh,
 		    fh->buffers.buffer[num].state == BUZ_STATE_USER) {
 			buf->sequence = fh->buffers.buffer[num].bs.seq;
 			buf->flags |= V4L2_BUF_FLAG_DONE;
-			buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
+			buf->timestamp = ns_to_timeval(fh->buffers.buffer[num].bs.ts);
 		} else {
 			buf->flags |= V4L2_BUF_FLAG_QUEUED;
 		}
@@ -1388,7 +1388,7 @@ static int zoran_v4l2_buffer_status(struct zoran_fh *fh,
 		if (fh->buffers.buffer[num].state == BUZ_STATE_DONE ||
 		    fh->buffers.buffer[num].state == BUZ_STATE_USER) {
 			buf->sequence = fh->buffers.buffer[num].bs.seq;
-			buf->timestamp = fh->buffers.buffer[num].bs.timestamp;
+			buf->timestamp = ns_to_timeval(fh->buffers.buffer[num].bs.ts);
 			buf->bytesused = fh->buffers.buffer[num].bs.length;
 			buf->flags |= V4L2_BUF_FLAG_DONE;
 		} else {