15 files changed, 126 insertions, 286 deletions

diff --git a/drivers/media/video/imx074.c b/drivers/media/video/imx074.c
index 3f5d4de8b91b..4f3ce7fa87df 100644
--- a/drivers/media/video/imx074.c
+++ b/drivers/media/video/imx074.c
@@ -298,8 +298,7 @@ static struct v4l2_subdev_ops imx074_subdev_ops = {
         .video  = &imx074_subdev_video_ops,
 };
 
-static int imx074_video_probe(struct soc_camera_device *icd,
-                              struct i2c_client *client)
+static int imx074_video_probe(struct i2c_client *client)
 {
         int ret;
         u16 id;
@@ -409,17 +408,10 @@ static int imx074_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
         struct imx074 *priv;
-        struct soc_camera_device *icd = client->dev.platform_data;
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "IMX074: missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "IMX074: missing platform data!\n");
                 return -EINVAL;
@@ -439,7 +431,7 @@ static int imx074_probe(struct i2c_client *client,
 
         priv->fmt       = &imx074_colour_fmts[0];
 
-        ret = imx074_video_probe(icd, client);
+        ret = imx074_video_probe(client);
         if (ret < 0) {
                 kfree(priv);
                 return ret;
@@ -451,8 +443,7 @@ static int imx074_probe(struct i2c_client *client,
 static int imx074_remove(struct i2c_client *client)
 {
         struct imx074 *priv = to_imx074(client);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         if (icl->free_bus)
                 icl->free_bus(icl);
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index 42bb3c89cfe6..58cdcedf53de 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -205,7 +205,7 @@ static int mt9m001_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 
         /*
          * The caller provides a supported format, as verified per
-         * call to icd->try_fmt()
+         * call to .try_mbus_fmt()
          */
         if (!ret)
                 ret = reg_write(client, MT9M001_COLUMN_START, rect.left);
@@ -474,19 +474,14 @@ static int mt9m001_s_ctrl(struct v4l2_ctrl *ctrl)
  * Interface active, can use i2c. If it fails, it can indeed mean, that
  * this wasn't our capture interface, so, we wait for the right one
  */
-static int mt9m001_video_probe(struct soc_camera_device *icd,
+static int mt9m001_video_probe(struct soc_camera_link *icl,
                                struct i2c_client *client)
 {
         struct mt9m001 *mt9m001 = to_mt9m001(client);
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
         s32 data;
         unsigned long flags;
         int ret;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /* Enable the chip */
         data = reg_write(client, MT9M001_CHIP_ENABLE, 1);
         dev_dbg(&client->dev, "write: %d\n", data);
@@ -544,12 +539,8 @@ static int mt9m001_video_probe(struct soc_camera_device *icd,
         return v4l2_ctrl_handler_setup(&mt9m001->hdl);
 }
 
-static void mt9m001_video_remove(struct soc_camera_device *icd)
+static void mt9m001_video_remove(struct soc_camera_link *icl)
 {
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
-
-        dev_dbg(icd->pdev, "Video removed: %p, %p\n",
-                icd->parent, icd->vdev);
         if (icl->free_bus)
                 icl->free_bus(icl);
 }
@@ -594,8 +585,7 @@ static int mt9m001_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         /* MT9M001 has all capture_format parameters fixed */
         cfg->flags = V4L2_MBUS_PCLK_SAMPLE_FALLING |
@@ -610,9 +600,9 @@ static int mt9m001_g_mbus_config(struct v4l2_subdev *sd,
 static int mt9m001_s_mbus_config(struct v4l2_subdev *sd,
                                 const struct v4l2_mbus_config *cfg)
 {
-        struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        const struct i2c_client *client = v4l2_get_subdevdata(sd);
+        struct soc_camera_device *icd = soc_camera_from_i2c(client);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         /*
          * Cannot use icd->current_fmt->host_fmt->bits_per_sample, because that
          * is the number of bits, that the host has to sample, not the number of
@@ -658,17 +648,10 @@ static int mt9m001_probe(struct i2c_client *client,
                          const struct i2c_device_id *did)
 {
         struct mt9m001 *mt9m001;
-        struct soc_camera_device *icd = client->dev.platform_data;
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "MT9M001: missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "MT9M001 driver needs platform data\n");
                 return -EINVAL;
@@ -716,7 +699,7 @@ static int mt9m001_probe(struct i2c_client *client,
         mt9m001->rect.width     = MT9M001_MAX_WIDTH;
         mt9m001->rect.height    = MT9M001_MAX_HEIGHT;
 
-        ret = mt9m001_video_probe(icd, client);
+        ret = mt9m001_video_probe(icl, client);
         if (ret) {
                 v4l2_ctrl_handler_free(&mt9m001->hdl);
                 kfree(mt9m001);
@@ -728,11 +711,11 @@ static int mt9m001_probe(struct i2c_client *client,
 static int mt9m001_remove(struct i2c_client *client)
 {
         struct mt9m001 *mt9m001 = to_mt9m001(client);
-        struct soc_camera_device *icd = client->dev.platform_data;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         v4l2_device_unregister_subdev(&mt9m001->subdev);
         v4l2_ctrl_handler_free(&mt9m001->hdl);
-        mt9m001_video_remove(icd);
+        mt9m001_video_remove(icl);
         kfree(mt9m001);
 
         return 0;
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 8cacbf016848..9feeb0cb6722 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -784,19 +784,12 @@ static int mt9m111_init(struct mt9m111 *mt9m111)
  * Interface active, can use i2c. If it fails, it can indeed mean, that
  * this wasn't our capture interface, so, we wait for the right one
  */
-static int mt9m111_video_probe(struct soc_camera_device *icd,
-                               struct i2c_client *client)
+static int mt9m111_video_probe(struct i2c_client *client)
 {
         struct mt9m111 *mt9m111 = to_mt9m111(client);
         s32 data;
         int ret;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
-        mt9m111->lastpage = -1;
-
         data = reg_read(CHIP_VERSION);
 
         switch (data) {
@@ -883,8 +876,7 @@ static int mt9m111_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
                 V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
@@ -915,17 +907,10 @@ static int mt9m111_probe(struct i2c_client *client,
                          const struct i2c_device_id *did)
 {
         struct mt9m111 *mt9m111;
-        struct soc_camera_device *icd = client->dev.platform_data;
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "mt9m111: soc-camera data missing!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "mt9m111: driver needs platform data\n");
                 return -EINVAL;
@@ -968,8 +953,9 @@ static int mt9m111_probe(struct i2c_client *client,
         mt9m111->rect.width     = MT9M111_MAX_WIDTH;
         mt9m111->rect.height    = MT9M111_MAX_HEIGHT;
         mt9m111->fmt            = &mt9m111_colour_fmts[0];
+        mt9m111->lastpage       = -1;
 
-        ret = mt9m111_video_probe(icd, client);
+        ret = mt9m111_video_probe(client);
         if (ret) {
                 v4l2_ctrl_handler_free(&mt9m111->hdl);
                 kfree(mt9m111);
diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
index 7ce37990a446..95cd602ae4ec 100644
--- a/drivers/media/video/mt9t031.c
+++ b/drivers/media/video/mt9t031.c
@@ -265,7 +265,7 @@ static int mt9t031_set_params(struct i2c_client *client,
 
         /*
          * The caller provides a supported format, as guaranteed by
-         * icd->try_fmt_cap(), soc_camera_s_crop() and soc_camera_cropcap()
+         * .try_mbus_fmt(), soc_camera_s_crop() and soc_camera_cropcap()
          */
         if (ret >= 0)
                 ret = reg_write(client, MT9T031_COLUMN_START, rect->left);
@@ -573,8 +573,7 @@ static int mt9t031_runtime_suspend(struct device *dev)
 static int mt9t031_runtime_resume(struct device *dev)
 {
         struct video_device *vdev = to_video_device(dev);
-        struct soc_camera_device *icd = dev_get_drvdata(vdev->parent);
-        struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
+        struct v4l2_subdev *sd = soc_camera_vdev_to_subdev(vdev);
         struct i2c_client *client = v4l2_get_subdevdata(sd);
         struct mt9t031 *mt9t031 = to_mt9t031(client);
 
@@ -684,8 +683,7 @@ static int mt9t031_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
                 V4L2_MBUS_PCLK_SAMPLE_FALLING | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
@@ -700,8 +698,7 @@ static int mt9t031_s_mbus_config(struct v4l2_subdev *sd,
                                 const struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         if (soc_camera_apply_board_flags(icl, cfg) &
             V4L2_MBUS_PCLK_SAMPLE_FALLING)
@@ -737,16 +734,13 @@ static int mt9t031_probe(struct i2c_client *client,
                          const struct i2c_device_id *did)
 {
         struct mt9t031 *mt9t031;
-        struct soc_camera_device *icd = client->dev.platform_data;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
         int ret;
 
-        if (icd) {
-                struct soc_camera_link *icl = to_soc_camera_link(icd);
-                if (!icl) {
-                        dev_err(&client->dev, "MT9T031 driver needs platform data\n");
-                        return -EINVAL;
-                }
+        if (!icl) {
+                dev_err(&client->dev, "MT9T031 driver needs platform data\n");
+                return -EINVAL;
         }
 
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index b8da7fe9a6bd..5b045a1097c6 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -89,7 +89,6 @@ struct mt9t112_priv {
         struct v4l2_subdev               subdev;
         struct mt9t112_camera_info      *info;
         struct i2c_client               *client;
-        struct soc_camera_device         icd;
         struct v4l2_rect                 frame;
         const struct mt9t112_format     *format;
         int                              model;
@@ -306,38 +305,38 @@ static int mt9t112_clock_info(const struct i2c_client *client, u32 ext)
         n = (n >> 8) & 0x003f;
 
         enable = ((6000 > ext) || (54000 < ext)) ? "X" : "";
-        dev_info(&client->dev, "EXTCLK          : %10u K %s\n", ext, enable);
+        dev_dbg(&client->dev, "EXTCLK          : %10u K %s\n", ext, enable);
 
         vco = 2 * m * ext / (n+1);
         enable = ((384000 > vco) || (768000 < vco)) ? "X" : "";
-        dev_info(&client->dev, "VCO             : %10u K %s\n", vco, enable);
+        dev_dbg(&client->dev, "VCO             : %10u K %s\n", vco, enable);
 
         clk = vco / (p1+1) / (p2+1);
         enable = (96000 < clk) ? "X" : "";
-        dev_info(&client->dev, "PIXCLK          : %10u K %s\n", clk, enable);
+        dev_dbg(&client->dev, "PIXCLK          : %10u K %s\n", clk, enable);
 
         clk = vco / (p3+1);
         enable = (768000 < clk) ? "X" : "";
-        dev_info(&client->dev, "MIPICLK         : %10u K %s\n", clk, enable);
+        dev_dbg(&client->dev, "MIPICLK         : %10u K %s\n", clk, enable);
 
         clk = vco / (p6+1);
         enable = (96000 < clk) ? "X" : "";
-        dev_info(&client->dev, "MCU CLK         : %10u K %s\n", clk, enable);
+        dev_dbg(&client->dev, "MCU CLK         : %10u K %s\n", clk, enable);
 
         clk = vco / (p5+1);
         enable = (54000 < clk) ? "X" : "";
-        dev_info(&client->dev, "SOC CLK         : %10u K %s\n", clk, enable);
+        dev_dbg(&client->dev, "SOC CLK         : %10u K %s\n", clk, enable);
 
         clk = vco / (p4+1);
         enable = (70000 < clk) ? "X" : "";
-        dev_info(&client->dev, "Sensor CLK      : %10u K %s\n", clk, enable);
+        dev_dbg(&client->dev, "Sensor CLK      : %10u K %s\n", clk, enable);
 
         clk = vco / (p7+1);
-        dev_info(&client->dev, "External sensor : %10u K\n", clk);
+        dev_dbg(&client->dev, "External sensor : %10u K\n", clk);
 
         clk = ext / (n+1);
         enable = ((2000 > clk) || (24000 < clk)) ? "X" : "";
-        dev_info(&client->dev, "PFD             : %10u K %s\n", clk, enable);
+        dev_dbg(&client->dev, "PFD             : %10u K %s\n", clk, enable);
 
         return 0;
 }
@@ -982,8 +981,7 @@ static int mt9t112_g_mbus_config(struct v4l2_subdev *sd,
                                  struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
                 V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_DATA_ACTIVE_HIGH |
@@ -998,8 +996,7 @@ static int mt9t112_s_mbus_config(struct v4l2_subdev *sd,
                                  const struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         struct mt9t112_priv *priv = to_mt9t112(client);
 
         if (soc_camera_apply_board_flags(icl, cfg) & V4L2_MBUS_PCLK_SAMPLE_RISING)
@@ -1029,17 +1026,12 @@ static struct v4l2_subdev_ops mt9t112_subdev_ops = {
         .video  = &mt9t112_subdev_video_ops,
 };
 
-static int mt9t112_camera_probe(struct soc_camera_device *icd,
-                                struct i2c_client *client)
+static int mt9t112_camera_probe(struct i2c_client *client)
 {
         struct mt9t112_priv *priv = to_mt9t112(client);
         const char          *devname;
         int                  chipid;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /*
          * check and show chip ID
          */
@@ -1068,8 +1060,7 @@ static int mt9t112_probe(struct i2c_client *client,
                          const struct i2c_device_id *did)
 {
         struct mt9t112_priv *priv;
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         struct v4l2_rect rect = {
                 .width = VGA_WIDTH,
                 .height = VGA_HEIGHT,
@@ -1078,15 +1069,11 @@ static int mt9t112_probe(struct i2c_client *client,
         };
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "mt9t112: missing soc-camera data!\n");
+        if (!icl || !icl->priv) {
+                dev_err(&client->dev, "mt9t112: missing platform data!\n");
                 return -EINVAL;
         }
 
-        icl = to_soc_camera_link(icd);
-        if (!icl || !icl->priv)
-                return -EINVAL;
-
         priv = kzalloc(sizeof(*priv), GFP_KERNEL);
         if (!priv)
                 return -ENOMEM;
@@ -1095,7 +1082,7 @@ static int mt9t112_probe(struct i2c_client *client,
 
         v4l2_i2c_subdev_init(&priv->subdev, client, &mt9t112_subdev_ops);
 
-        ret = mt9t112_camera_probe(icd, client);
+        ret = mt9t112_camera_probe(client);
         if (ret)
                 kfree(priv);
 
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index 7e2aeda21752..72b179b2ad6c 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -332,7 +332,7 @@ static int mt9v022_s_fmt(struct v4l2_subdev *sd,
 
         /*
          * The caller provides a supported format, as verified per call to
-         * icd->try_fmt(), datawidth is from our supported format list
+         * .try_mbus_fmt(), datawidth is from our supported format list
          */
         switch (mf->code) {
         case V4L2_MBUS_FMT_Y8_1X8:
@@ -562,19 +562,14 @@ static int mt9v022_s_ctrl(struct v4l2_ctrl *ctrl)
  * Interface active, can use i2c. If it fails, it can indeed mean, that
  * this wasn't our capture interface, so, we wait for the right one
  */
-static int mt9v022_video_probe(struct soc_camera_device *icd,
-                               struct i2c_client *client)
+static int mt9v022_video_probe(struct i2c_client *client)
 {
         struct mt9v022 *mt9v022 = to_mt9v022(client);
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         s32 data;
         int ret;
         unsigned long flags;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /* Read out the chip version register */
         data = reg_read(client, MT9V022_CHIP_VERSION);
 
@@ -648,16 +643,6 @@ ei2c:
         return ret;
 }
 
-static void mt9v022_video_remove(struct soc_camera_device *icd)
-{
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
-
-        dev_dbg(icd->pdev, "Video removed: %p, %p\n",
-                icd->parent, icd->vdev);
-        if (icl->free_bus)
-                icl->free_bus(icl);
-}
-
 static int mt9v022_g_skip_top_lines(struct v4l2_subdev *sd, u32 *lines)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -698,8 +683,7 @@ static int mt9v022_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_SLAVE |
                 V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING |
@@ -730,8 +714,8 @@ static int mt9v022_s_mbus_config(struct v4l2_subdev *sd,
         int ret;
         u16 pixclk = 0;
 
-        dev_info(icd->pdev, "set %d: %s, %dbps\n", icd->current_fmt->code,
-                 icd->current_fmt->host_fmt->name, bps);
+        dev_dbg(icd->pdev, "set %d: %s, %dbps\n", icd->current_fmt->code,
+                icd->current_fmt->host_fmt->name, bps);
 
         if (icl->set_bus_param) {
                 ret = icl->set_bus_param(icl, 1 << (bps - 1));
@@ -798,17 +782,10 @@ static int mt9v022_probe(struct i2c_client *client,
                          const struct i2c_device_id *did)
 {
         struct mt9v022 *mt9v022;
-        struct soc_camera_device *icd = client->dev.platform_data;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link *icl;
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "MT9V022: missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "MT9V022 driver needs platform data\n");
                 return -EINVAL;
@@ -868,7 +845,7 @@ static int mt9v022_probe(struct i2c_client *client,
         mt9v022->rect.width     = MT9V022_MAX_WIDTH;
         mt9v022->rect.height    = MT9V022_MAX_HEIGHT;
 
-        ret = mt9v022_video_probe(icd, client);
+        ret = mt9v022_video_probe(client);
         if (ret) {
                 v4l2_ctrl_handler_free(&mt9v022->hdl);
                 kfree(mt9v022);
@@ -880,10 +857,11 @@ static int mt9v022_probe(struct i2c_client *client,
 static int mt9v022_remove(struct i2c_client *client)
 {
         struct mt9v022 *mt9v022 = to_mt9v022(client);
-        struct soc_camera_device *icd = client->dev.platform_data;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         v4l2_device_unregister_subdev(&mt9v022->subdev);
-        mt9v022_video_remove(icd);
+        if (icl->free_bus)
+                icl->free_bus(icl);
         v4l2_ctrl_handler_free(&mt9v022->hdl);
         kfree(mt9v022);
 
diff --git a/drivers/media/video/ov2640.c b/drivers/media/video/ov2640.c
index 981767f2d8ea..d37a5cceebb6 100644
--- a/drivers/media/video/ov2640.c
+++ b/drivers/media/video/ov2640.c
@@ -942,18 +942,13 @@ static int ov2640_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
         return 0;
 }
 
-static int ov2640_video_probe(struct soc_camera_device *icd,
-                              struct i2c_client *client)
+static int ov2640_video_probe(struct i2c_client *client)
 {
         struct ov2640_priv *priv = to_ov2640(client);
         u8 pid, ver, midh, midl;
         const char *devname;
         int ret;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /*
          * check and show product ID and manufacturer ID
          */
@@ -1001,8 +996,7 @@ static int ov2640_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
                 V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
@@ -1035,18 +1029,11 @@ static struct v4l2_subdev_ops ov2640_subdev_ops = {
 static int ov2640_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
-        struct ov2640_priv        *priv;
-        struct soc_camera_device  *icd = client->dev.platform_data;
-        struct i2c_adapter        *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link    *icl;
-        int                        ret;
-
-        if (!icd) {
-                dev_err(&adapter->dev, "OV2640: missing soc-camera data!\n");
-                return -EINVAL;
-        }
+        struct ov2640_priv      *priv;
+        struct soc_camera_link  *icl = soc_camera_i2c_to_link(client);
+        struct i2c_adapter      *adapter = to_i2c_adapter(client->dev.parent);
+        int                     ret;
 
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&adapter->dev,
                         "OV2640: Missing platform_data for driver\n");
@@ -1080,7 +1067,7 @@ static int ov2640_probe(struct i2c_client *client,
                 return err;
         }
 
-        ret = ov2640_video_probe(icd, client);
+        ret = ov2640_video_probe(client);
         if (ret) {
                 v4l2_ctrl_handler_free(&priv->hdl);
                 kfree(priv);
diff --git a/drivers/media/video/ov5642.c b/drivers/media/video/ov5642.c
index 163a6f7ff8ef..2a26602fc86d 100644
--- a/drivers/media/video/ov5642.c
+++ b/drivers/media/video/ov5642.c
@@ -889,8 +889,7 @@ static struct v4l2_subdev_ops ov5642_subdev_ops = {
         .video  = &ov5642_subdev_video_ops,
 };
 
-static int ov5642_video_probe(struct soc_camera_device *icd,
-                              struct i2c_client *client)
+static int ov5642_video_probe(struct i2c_client *client)
 {
         int ret;
         u8 id_high, id_low;
@@ -921,16 +920,9 @@ static int ov5642_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
         struct ov5642 *priv;
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "OV5642: missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "OV5642: missing platform data!\n");
                 return -EINVAL;
@@ -944,7 +936,7 @@ static int ov5642_probe(struct i2c_client *client,
 
         priv->fmt       = &ov5642_colour_fmts[0];
 
-        ret = ov5642_video_probe(icd, client);
+        ret = ov5642_video_probe(client);
         if (ret < 0)
                 goto error;
 
@@ -958,8 +950,7 @@ error:
 static int ov5642_remove(struct i2c_client *client)
 {
         struct ov5642 *priv = to_ov5642(client);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         if (icl->free_bus)
                 icl->free_bus(icl);
diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c
index efa45132c992..f060eaaf916f 100644
--- a/drivers/media/video/ov6650.c
+++ b/drivers/media/video/ov6650.c
@@ -820,8 +820,7 @@ static int ov6650_prog_dflt(struct i2c_client *client)
         return ret;
 }
 
-static int ov6650_video_probe(struct soc_camera_device *icd,
-                                struct i2c_client *client)
+static int ov6650_video_probe(struct i2c_client *client)
 {
         u8              pidh, pidl, midh, midl;
         int             ret = 0;
@@ -875,8 +874,7 @@ static int ov6650_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_MASTER |
                 V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING |
@@ -894,8 +892,7 @@ static int ov6650_s_mbus_config(struct v4l2_subdev *sd,
                                 const struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         unsigned long flags = soc_camera_apply_board_flags(icl, cfg);
         int ret;
 
@@ -948,16 +945,9 @@ static int ov6650_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
         struct ov6650 *priv;
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "Missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "Missing platform_data for driver\n");
                 return -EINVAL;
@@ -1020,7 +1010,7 @@ static int ov6650_probe(struct i2c_client *client,
         priv->code        = V4L2_MBUS_FMT_YUYV8_2X8;
         priv->colorspace  = V4L2_COLORSPACE_JPEG;
 
-        ret = ov6650_video_probe(icd, client);
+        ret = ov6650_video_probe(client);
         if (!ret)
                 ret = v4l2_ctrl_handler_setup(&priv->hdl);
 
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c
index 9b540421e2cb..a2146c30771e 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -953,17 +953,12 @@ static int ov772x_try_fmt(struct v4l2_subdev *sd,
         return 0;
 }
 
-static int ov772x_video_probe(struct soc_camera_device *icd,
-                              struct i2c_client *client)
+static int ov772x_video_probe(struct i2c_client *client)
 {
         struct ov772x_priv *priv = to_ov772x(client);
         u8                  pid, ver;
         const char         *devname;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /*
          * check and show product ID and manufacturer ID
          */
@@ -1021,8 +1016,7 @@ static int ov772x_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
                 V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
@@ -1056,20 +1050,15 @@ static struct v4l2_subdev_ops ov772x_subdev_ops = {
 static int ov772x_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
-        struct ov772x_priv        *priv;
-        struct soc_camera_device  *icd = client->dev.platform_data;
-        struct i2c_adapter        *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link    *icl;
-        int                        ret;
-
-        if (!icd) {
-                dev_err(&client->dev, "OV772X: missing soc-camera data!\n");
-                return -EINVAL;
-        }
+        struct ov772x_priv      *priv;
+        struct soc_camera_link  *icl = soc_camera_i2c_to_link(client);
+        struct i2c_adapter      *adapter = to_i2c_adapter(client->dev.parent);
+        int                     ret;
 
-        icl = to_soc_camera_link(icd);
-        if (!icl || !icl->priv)
+        if (!icl || !icl->priv) {
+                dev_err(&client->dev, "OV772X: missing platform data!\n");
                 return -EINVAL;
+        }
 
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
                 dev_err(&adapter->dev,
@@ -1100,7 +1089,7 @@ static int ov772x_probe(struct i2c_client *client,
                 return err;
         }
 
-        ret = ov772x_video_probe(icd, client);
+        ret = ov772x_video_probe(client);
         if (ret) {
                 v4l2_ctrl_handler_free(&priv->hdl);
                 kfree(priv);
diff --git a/drivers/media/video/ov9640.c b/drivers/media/video/ov9640.c
index 12d33a9c07b0..f9babf39d802 100644
--- a/drivers/media/video/ov9640.c
+++ b/drivers/media/video/ov9640.c
@@ -578,8 +578,7 @@ static int ov9640_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
         return 0;
 }
 
-static int ov9640_video_probe(struct soc_camera_device *icd,
-                                struct i2c_client *client)
+static int ov9640_video_probe(struct i2c_client *client)
 {
         struct v4l2_subdev *sd = i2c_get_clientdata(client);
         struct ov9640_priv *priv = to_ov9640_sensor(sd);
@@ -587,10 +586,6 @@ static int ov9640_video_probe(struct soc_camera_device *icd,
         const char      *devname;
         int             ret = 0;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /*
          * check and show product ID and manufacturer ID
          */
@@ -644,8 +639,7 @@ static int ov9640_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
                 V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
@@ -678,16 +672,9 @@ static int ov9640_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
         struct ov9640_priv *priv;
-        struct soc_camera_device *icd   = client->dev.platform_data;
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "Missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "Missing platform_data for driver\n");
                 return -EINVAL;
@@ -715,7 +702,7 @@ static int ov9640_probe(struct i2c_client *client,
                 return err;
         }
 
-        ret = ov9640_video_probe(icd, client);
+        ret = ov9640_video_probe(client);
 
         if (ret) {
                 v4l2_ctrl_handler_free(&priv->hdl);
diff --git a/drivers/media/video/ov9740.c b/drivers/media/video/ov9740.c
index 3dd910dcc5b8..9558aca86818 100644
--- a/drivers/media/video/ov9740.c
+++ b/drivers/media/video/ov9740.c
@@ -836,18 +836,13 @@ static int ov9740_set_register(struct v4l2_subdev *sd,
 }
 #endif
 
-static int ov9740_video_probe(struct soc_camera_device *icd,
-                              struct i2c_client *client)
+static int ov9740_video_probe(struct i2c_client *client)
 {
         struct v4l2_subdev *sd = i2c_get_clientdata(client);
         struct ov9740_priv *priv = to_ov9740(sd);
         u8 modelhi, modello;
         int ret;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /*
          * check and show product ID and manufacturer ID
          */
@@ -893,8 +888,7 @@ static int ov9740_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
                 V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
@@ -940,16 +934,9 @@ static int ov9740_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
         struct ov9740_priv *priv;
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "Missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl) {
                 dev_err(&client->dev, "Missing platform_data for driver\n");
                 return -EINVAL;
@@ -975,7 +962,7 @@ static int ov9740_probe(struct i2c_client *client,
                 return err;
         }
 
-        ret = ov9740_video_probe(icd, client);
+        ret = ov9740_video_probe(client);
         if (!ret)
                 ret = v4l2_ctrl_handler_setup(&priv->hdl);
         if (ret < 0) {
diff --git a/drivers/media/video/rj54n1cb0c.c b/drivers/media/video/rj54n1cb0c.c
index 9a871537d233..fcb14d93a24c 100644
--- a/drivers/media/video/rj54n1cb0c.c
+++ b/drivers/media/video/rj54n1cb0c.c
@@ -1235,8 +1235,7 @@ static int rj54n1_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags =
                 V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING |
@@ -1252,8 +1251,7 @@ static int rj54n1_s_mbus_config(struct v4l2_subdev *sd,
                                 const struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         /* Figures 2.5-1 to 2.5-3 - default falling pixclk edge */
         if (soc_camera_apply_board_flags(icl, cfg) &
@@ -1285,17 +1283,12 @@ static struct v4l2_subdev_ops rj54n1_subdev_ops = {
  * Interface active, can use i2c. If it fails, it can indeed mean, that
  * this wasn't our capture interface, so, we wait for the right one
  */
-static int rj54n1_video_probe(struct soc_camera_device *icd,
-                              struct i2c_client *client,
+static int rj54n1_video_probe(struct i2c_client *client,
                               struct rj54n1_pdata *priv)
 {
         int data1, data2;
         int ret;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /* Read out the chip version register */
         data1 = reg_read(client, RJ54N1_DEV_CODE);
         data2 = reg_read(client, RJ54N1_DEV_CODE2);
@@ -1323,18 +1316,11 @@ static int rj54n1_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 {
         struct rj54n1 *rj54n1;
-        struct soc_camera_device *icd = client->dev.platform_data;
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link *icl;
         struct rj54n1_pdata *rj54n1_priv;
         int ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "RJ54N1CB0C: missing soc-camera data!\n");
-                return -EINVAL;
-        }
-
-        icl = to_soc_camera_link(icd);
         if (!icl || !icl->priv) {
                 dev_err(&client->dev, "RJ54N1CB0C: missing platform data!\n");
                 return -EINVAL;
@@ -1382,7 +1368,7 @@ static int rj54n1_probe(struct i2c_client *client,
         rj54n1->tgclk_mhz       = (rj54n1_priv->mclk_freq / PLL_L * PLL_N) /
                 (clk_div.ratio_tg + 1) / (clk_div.ratio_t + 1);
 
-        ret = rj54n1_video_probe(icd, client, rj54n1_priv);
+        ret = rj54n1_video_probe(client, rj54n1_priv);
         if (ret < 0) {
                 v4l2_ctrl_handler_free(&rj54n1->hdl);
                 kfree(rj54n1);
@@ -1394,8 +1380,7 @@ static int rj54n1_probe(struct i2c_client *client,
 static int rj54n1_remove(struct i2c_client *client)
 {
         struct rj54n1 *rj54n1 = to_rj54n1(client);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         v4l2_device_unregister_subdev(&rj54n1->subdev);
         if (icl->free_bus)
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c
index 2fddd1fbe529..5a3722b756c7 100644
--- a/drivers/media/video/tw9910.c
+++ b/drivers/media/video/tw9910.c
@@ -764,10 +764,6 @@ static int tw9910_video_probe(struct soc_camera_device *icd,
         struct tw9910_priv *priv = to_tw9910(client);
         s32 id;
 
-        /* We must have a parent by now. And it cannot be a wrong one. */
-        BUG_ON(!icd->parent ||
-               to_soc_camera_host(icd->parent)->nr != icd->iface);
-
         /*
          * tw9910 only use 8 or 16 bit bus width
          */
@@ -825,8 +821,7 @@ static int tw9910_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
 
         cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
                 V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW |
@@ -842,8 +837,7 @@ static int tw9910_s_mbus_config(struct v4l2_subdev *sd,
                                 const struct v4l2_mbus_config *cfg)
 {
         struct i2c_client *client = v4l2_get_subdevdata(sd);
-        struct soc_camera_device *icd = client->dev.platform_data;
-        struct soc_camera_link *icl = to_soc_camera_link(icd);
+        struct soc_camera_link *icl = soc_camera_i2c_to_link(client);
         u8 val = VSSL_VVALID | HSSL_DVALID;
         unsigned long flags = soc_camera_apply_board_flags(icl, cfg);
 
@@ -887,23 +881,19 @@ static int tw9910_probe(struct i2c_client *client,
                         const struct i2c_device_id *did)
 
 {
-        struct tw9910_priv             *priv;
-        struct tw9910_video_info       *info;
-        struct soc_camera_device       *icd = client->dev.platform_data;
-        struct i2c_adapter             *adapter =
+        struct tw9910_priv              *priv;
+        struct tw9910_video_info        *info;
+        struct soc_camera_device        *icd = client->dev.platform_data;
+        struct i2c_adapter              *adapter =
                 to_i2c_adapter(client->dev.parent);
-        struct soc_camera_link         *icl;
-        int                             ret;
+        struct soc_camera_link          *icl = soc_camera_i2c_to_link(client);
+        int                             ret;
 
-        if (!icd) {
-                dev_err(&client->dev, "TW9910: missing soc-camera data!\n");
+        if (!icl || !icl->priv) {
+                dev_err(&client->dev, "TW9910: missing platform data!\n");
                 return -EINVAL;
         }
 
-        icl = to_soc_camera_link(icd);
-        if (!icl || !icl->priv)
-                return -EINVAL;
-
         info = icl->priv;
 
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
@@ -921,8 +911,6 @@ static int tw9910_probe(struct i2c_client *client,
 
         v4l2_i2c_subdev_init(&priv->subdev, client, &tw9910_subdev_ops);
 
-        icd->iface   = icl->bus_id;
-
         ret = tw9910_video_probe(icd, client);
         if (ret)
                 kfree(priv);
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 6398ff0f08ab..67a52c729eff 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -251,18 +251,35 @@ unsigned long soc_camera_apply_board_flags(struct soc_camera_link *icl,
 
 /* This is only temporary here - until v4l2-subdev begins to link to video_device */
 #include <linux/i2c.h>
-static inline struct video_device *soc_camera_i2c_to_vdev(struct i2c_client *client)
+static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)
 {
         struct soc_camera_device *icd = client->dev.platform_data;
-        return icd->vdev;
+        return icd ? icd->vdev : NULL;
 }
 
-static inline struct soc_camera_device *soc_camera_from_vb2q(struct vb2_queue *vq)
+static inline struct soc_camera_link *soc_camera_i2c_to_link(const struct i2c_client *client)
+{
+        struct soc_camera_device *icd = client->dev.platform_data;
+        return icd ? to_soc_camera_link(icd) : NULL;
+}
+
+static inline struct v4l2_subdev *soc_camera_vdev_to_subdev(const struct video_device *vdev)
+{
+        struct soc_camera_device *icd = dev_get_drvdata(vdev->parent);
+        return soc_camera_to_subdev(icd);
+}
+
+static inline struct soc_camera_device *soc_camera_from_i2c(const struct i2c_client *client)
+{
+        return client->dev.platform_data;
+}
+
+static inline struct soc_camera_device *soc_camera_from_vb2q(const struct vb2_queue *vq)
 {
         return container_of(vq, struct soc_camera_device, vb2_vidq);
 }
 
-static inline struct soc_camera_device *soc_camera_from_vbq(struct videobuf_queue *vq)
+static inline struct soc_camera_device *soc_camera_from_vbq(const struct videobuf_queue *vq)
 {
         return container_of(vq, struct soc_camera_device, vb_vidq);
 }