[media] media: videobuf2: Move timestamp to vb2_buffer

Move timestamp from struct vb2_v4l2_buffer to struct vb2_buffer
for common use, and change its type to u64 in order to handling
y2038 problem. This patch also includes all device drivers' changes related to
this restructuring.

Signed-off-by: Junghak Sung <jh1009.sung@samsung.com>
Signed-off-by: Geunyoung Kim <nenggun.kim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index 518d511..b5595ca 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -316,7 +316,7 @@
 		len = airspy_convert_stream(s, ptr, urb->transfer_buffer,
 				urb->actual_length);
 		vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, len);
-		v4l2_get_timestamp(&fbuf->vb.timestamp);
+		fbuf->vb.vb2_buf.timestamp = ktime_get_ns();
 		fbuf->vb.sequence = s->sequence++;
 		vb2_buffer_done(&fbuf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 	}
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index 427d58e..0a725a1 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -314,7 +314,7 @@
 		vb->sequence = dev->vbi_frame_count++;
 
 	vb->field = V4L2_FIELD_INTERLACED;
-	v4l2_get_timestamp(&vb->timestamp);
+	vb->vb2_buf.timestamp = ktime_get_ns();
 	vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
 }
 
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 235a038..0e86ff4 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -438,7 +438,7 @@
 		buf->vb.field = V4L2_FIELD_NONE;
 	else
 		buf->vb.field = V4L2_FIELD_INTERLACED;
-	v4l2_get_timestamp(&buf->vb.timestamp);
+	buf->vb.vb2_buf.timestamp = ktime_get_ns();
 
 	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 }
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index ae1cfa7..05b1126 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -466,7 +466,7 @@
 	else
 		go7007_set_motion_regions(go, vb, 0);
 
-	v4l2_get_timestamp(&vb->vb.timestamp);
+	vb->vb.vb2_buf.timestamp = ktime_get_ns();
 	vb_tmp = vb;
 	spin_lock(&go->spinlock);
 	list_del(&vb->list);
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index d0c416d..d7a3aa2 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -517,7 +517,7 @@
 		    urb->transfer_buffer, len);
 	vb2_set_plane_payload(&buffer->vb.vb2_buf, 0, len);
 	buffer->vb.sequence = dev->sequence++;
-	v4l2_get_timestamp(&buffer->vb.timestamp);
+	buffer->vb.vb2_buf.timestamp = ktime_get_ns();
 	vb2_buffer_done(&buffer->vb.vb2_buf, VB2_BUF_STATE_DONE);
 exit_usb_submit_urb:
 	usb_submit_urb(urb, GFP_ATOMIC);
@@ -562,7 +562,7 @@
 			   vb2_plane_vaddr(&buffer->vb.vb2_buf, 0), len);
 	urb->actual_length = len;
 	buffer->vb.sequence = dev->sequence++;
-	v4l2_get_timestamp(&buffer->vb.timestamp);
+	buffer->vb.vb2_buf.timestamp = ktime_get_ns();
 	vb2_buffer_done(&buffer->vb.vb2_buf, VB2_BUF_STATE_DONE);
 exit_usb_submit_urb:
 	usb_submit_urb(urb, GFP_ATOMIC);
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index e90e494..086cf1c 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -316,8 +316,7 @@
 			struct pwc_frame_buf *fbuf = pdev->fill_buf;
 
 			if (pdev->vsync == 1) {
-				v4l2_get_timestamp(
-					&fbuf->vb.timestamp);
+				fbuf->vb.vb2_buf.timestamp = ktime_get_ns();
 				pdev->vsync = 2;
 			}
 
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index 82bdd42..9acdaa3 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -574,7 +574,7 @@
 	buf = list_entry(vc->buf_list.next,
 			 struct s2255_buffer, list);
 	list_del(&buf->list);
-	v4l2_get_timestamp(&buf->vb.timestamp);
+	buf->vb.vb2_buf.timestamp = ktime_get_ns();
 	buf->vb.field = vc->field;
 	buf->vb.sequence = vc->frame_count;
 	spin_unlock_irqrestore(&vc->qlock, flags);
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 75654e6..46191d5 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -99,7 +99,7 @@
 	buf->vb.sequence = dev->sequence++;
 	buf->vb.field = V4L2_FIELD_INTERLACED;
 	buf->vb.vb2_buf.planes[0].bytesused = buf->bytesused;
-	v4l2_get_timestamp(&buf->vb.timestamp);
+	buf->vb.vb2_buf.timestamp = ktime_get_ns();
 
 	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->bytesused);
 	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c
index 05cbd2f..4ebb339 100644
--- a/drivers/media/usb/usbtv/usbtv-video.c
+++ b/drivers/media/usb/usbtv/usbtv-video.c
@@ -322,7 +322,7 @@
 
 		buf->vb.field = V4L2_FIELD_INTERLACED;
 		buf->vb.sequence = usbtv->sequence++;
-		v4l2_get_timestamp(&buf->vb.timestamp);
+		buf->vb.vb2_buf.timestamp = ktime_get_ns();
 		vb2_set_plane_payload(&buf->vb.vb2_buf, 0, size);
 		vb2_buffer_done(&buf->vb.vb2_buf, state);
 		list_del(&buf->list);
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 2b276ab..f126859 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -694,19 +694,16 @@
 		ts.tv_nsec -= NSEC_PER_SEC;
 	}
 
-	uvc_trace(UVC_TRACE_CLOCK, "%s: SOF %u.%06llu y %llu ts %lu.%06lu "
-		  "buf ts %lu.%06lu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n",
+	uvc_trace(UVC_TRACE_CLOCK, "%s: SOF %u.%06llu y %llu ts %llu "
+		  "buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n",
 		  stream->dev->name,
 		  sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
-		  y, ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC,
-		  vbuf->timestamp.tv_sec,
-		  (unsigned long)vbuf->timestamp.tv_usec,
+		  y, timespec_to_ns(&ts), vbuf->vb2_buf.timestamp,
 		  x1, first->host_sof, first->dev_sof,
 		  x2, last->host_sof, last->dev_sof, y1, y2);
 
 	/* Update the V4L2 buffer. */
-	vbuf->timestamp.tv_sec = ts.tv_sec;
-	vbuf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+	vbuf->vb2_buf.timestamp = timespec_to_ns(&ts);
 
 done:
 	spin_unlock_irqrestore(&stream->clock.lock, flags);
@@ -1034,9 +1031,7 @@
 
 		buf->buf.field = V4L2_FIELD_NONE;
 		buf->buf.sequence = stream->sequence;
-		buf->buf.timestamp.tv_sec = ts.tv_sec;
-		buf->buf.timestamp.tv_usec =
-			ts.tv_nsec / NSEC_PER_USEC;
+		buf->buf.vb2_buf.timestamp = timespec_to_ns(&ts);
 
 		/* TODO: Handle PTS and SCR. */
 		buf->state = UVC_BUF_STATE_ACTIVE;