1 files changed, 23 insertions, 26 deletions

diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index 5bbeb43e453..b40bc2e5ba4 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -236,7 +236,6 @@ enum mx2_camera_type {
 struct mx2_camera_dev {
 	struct device		*dev;
 	struct soc_camera_host	soc_host;
-	struct soc_camera_device *icd;
 	struct clk		*clk_emma_ahb, *clk_emma_ipg;
 	struct clk		*clk_csi_ahb, *clk_csi_per;
 
@@ -394,8 +393,8 @@ static void mx27_update_emma_buf(struct mx2_camera_dev *pcdev,
 		writel(phys, pcdev->base_emma +
 			PRP_DEST_Y_PTR - 0x14 * bufnum);
 		if (prp->out_fmt == V4L2_PIX_FMT_YUV420) {
-			u32 imgsize = pcdev->icd->user_height *
-					pcdev->icd->user_width;
+			u32 imgsize = pcdev->soc_host.icd->user_height *
+					pcdev->soc_host.icd->user_width;
 
 			writel(phys + imgsize, pcdev->base_emma +
 				PRP_DEST_CB_PTR - 0x14 * bufnum);
@@ -413,20 +412,30 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev)
 	writel(0, pcdev->base_emma + PRP_CNTL);
 }
 
+static int mx2_camera_add_device(struct soc_camera_device *icd)
+{
+	dev_info(icd->parent, "Camera driver attached to camera %d\n",
+		 icd->devnum);
+
+	return 0;
+}
+
+static void mx2_camera_remove_device(struct soc_camera_device *icd)
+{
+	dev_info(icd->parent, "Camera driver detached from camera %d\n",
+		 icd->devnum);
+}
+
 /*
  * The following two functions absolutely depend on the fact, that
  * there can be only one camera on mx2 camera sensor interface
  */
-static int mx2_camera_add_device(struct soc_camera_device *icd)
+static int mx2_camera_clock_start(struct soc_camera_host *ici)
 {
-	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
 	struct mx2_camera_dev *pcdev = ici->priv;
 	int ret;
 	u32 csicr1;
 
-	if (pcdev->icd)
-		return -EBUSY;
-
 	ret = clk_prepare_enable(pcdev->clk_csi_ahb);
 	if (ret < 0)
 		return ret;
@@ -441,12 +450,8 @@ static int mx2_camera_add_device(struct soc_camera_device *icd)
 	pcdev->csicr1 = csicr1;
 	writel(pcdev->csicr1, pcdev->base_csi + CSICR1);
 
-	pcdev->icd = icd;
 	pcdev->frame_count = 0;
 
-	dev_info(icd->parent, "Camera driver attached to camera %d\n",
-		 icd->devnum);
-
 	return 0;
 
 exit_csi_ahb:
@@ -455,19 +460,11 @@ exit_csi_ahb:
 	return ret;
 }
 
-static void mx2_camera_remove_device(struct soc_camera_device *icd)
+static void mx2_camera_clock_stop(struct soc_camera_host *ici)
 {
-	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
 	struct mx2_camera_dev *pcdev = ici->priv;
 
-	BUG_ON(icd != pcdev->icd);
-
-	dev_info(icd->parent, "Camera driver detached from camera %d\n",
-		 icd->devnum);
-
 	mx2_camera_deactivate(pcdev);
-
-	pcdev->icd = NULL;
 }
 
 /*
@@ -662,7 +659,7 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
 	unsigned long flags;
 
 	if (count < 2)
-		return -EINVAL;
+		return -ENOBUFS;
 
 	spin_lock_irqsave(&pcdev->lock, flags);
 
@@ -744,7 +741,7 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
 	return 0;
 }
 
-static int mx2_stop_streaming(struct vb2_queue *q)
+static void mx2_stop_streaming(struct vb2_queue *q)
 {
 	struct soc_camera_device *icd = soc_camera_from_vb2q(q);
 	struct soc_camera_host *ici =
@@ -776,8 +773,6 @@ static int mx2_stop_streaming(struct vb2_queue *q)
 
 	dma_free_coherent(ici->v4l2_dev.dev,
 			  pcdev->discard_size, b, pcdev->discard_buffer_dma);
-
-	return 0;
 }
 
 static struct vb2_ops mx2_videobuf_ops = {
@@ -797,7 +792,7 @@ static int mx2_camera_init_videobuf(struct vb2_queue *q,
 	q->ops = &mx2_videobuf_ops;
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->buf_struct_size = sizeof(struct mx2_buffer);
-	q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 
 	return vb2_queue_init(q);
 }
@@ -1280,6 +1275,8 @@ static struct soc_camera_host_ops mx2_soc_camera_host_ops = {
 	.owner		= THIS_MODULE,
 	.add		= mx2_camera_add_device,
 	.remove		= mx2_camera_remove_device,
+	.clock_start	= mx2_camera_clock_start,
+	.clock_stop	= mx2_camera_clock_stop,
 	.set_fmt	= mx2_camera_set_fmt,
 	.set_crop	= mx2_camera_set_crop,
 	.get_formats	= mx2_camera_get_formats,