diff --git a/drivers/media/video/ak881x.c b/drivers/media/video/ak881x.c
index 35390d4..f2e71d1 100644
--- a/drivers/media/video/ak881x.c
+++ b/drivers/media/video/ak881x.c
@@ -141,7 +141,7 @@ static int ak881x_s_mbus_fmt(struct v4l2_subdev *sd,
 	return ak881x_try_g_mbus_fmt(sd, mf);
 }
 
-static int ak881x_enum_mbus_fmt(struct v4l2_subdev *sd, int index,
+static int ak881x_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
 				enum v4l2_mbus_pixelcode *code)
 {
 	if (index)
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index b62c0bd..c55d766 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -701,13 +701,13 @@ static struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = {
 #endif
 };
 
-static int mt9m001_enum_fmt(struct v4l2_subdev *sd, int index,
+static int mt9m001_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			    enum v4l2_mbus_pixelcode *code)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9m001 *mt9m001 = to_mt9m001(client);
 
-	if ((unsigned int)index >= mt9m001->num_fmts)
+	if (index >= mt9m001->num_fmts)
 		return -EINVAL;
 
 	*code = mt9m001->fmts[index].code;
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index d35f536..78dbb5d 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -999,10 +999,10 @@ static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
 #endif
 };
 
-static int mt9m111_enum_fmt(struct v4l2_subdev *sd, int index,
+static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			    enum v4l2_mbus_pixelcode *code)
 {
-	if ((unsigned int)index >= ARRAY_SIZE(mt9m111_colour_fmts))
+	if (index >= ARRAY_SIZE(mt9m111_colour_fmts))
 		return -EINVAL;
 
 	*code = mt9m111_colour_fmts[index].code;
diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
index 78b4e09..c1d12a0 100644
--- a/drivers/media/video/mt9t031.c
+++ b/drivers/media/video/mt9t031.c
@@ -798,7 +798,7 @@ static struct v4l2_subdev_core_ops mt9t031_subdev_core_ops = {
 #endif
 };
 
-static int mt9t031_enum_fmt(struct v4l2_subdev *sd, int index,
+static int mt9t031_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			    enum v4l2_mbus_pixelcode *code)
 {
 	if (index)
diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
index 7438f8d..802312e 100644
--- a/drivers/media/video/mt9t112.c
+++ b/drivers/media/video/mt9t112.c
@@ -1017,10 +1017,10 @@ static int mt9t112_try_fmt(struct v4l2_subdev *sd,
 	return 0;
 }
 
-static int mt9t112_enum_fmt(struct v4l2_subdev *sd, int index,
+static int mt9t112_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			   enum v4l2_mbus_pixelcode *code)
 {
-	if ((unsigned int)index >= ARRAY_SIZE(mt9t112_cfmts))
+	if (index >= ARRAY_SIZE(mt9t112_cfmts))
 		return -EINVAL;
 
 	*code = mt9t112_cfmts[index].code;
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index e5bae4c..9699c38 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -838,13 +838,13 @@ static struct v4l2_subdev_core_ops mt9v022_subdev_core_ops = {
 #endif
 };
 
-static int mt9v022_enum_fmt(struct v4l2_subdev *sd, int index,
+static int mt9v022_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			    enum v4l2_mbus_pixelcode *code)
 {
 	struct i2c_client *client = sd->priv;
 	struct mt9v022 *mt9v022 = to_mt9v022(client);
 
-	if ((unsigned int)index >= mt9v022->num_fmts)
+	if (index >= mt9v022->num_fmts)
 		return -EINVAL;
 
 	*code = mt9v022->fmts[index].code;
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c
index d477e30..5b908fb 100644
--- a/drivers/media/video/mx3_camera.c
+++ b/drivers/media/video/mx3_camera.c
@@ -672,7 +672,7 @@ static bool mx3_camera_packing_supported(const struct soc_mbus_pixelfmt *fmt)
 		 fmt->packing == SOC_MBUS_PACKING_EXTEND16);
 }
 
-static int mx3_camera_get_formats(struct soc_camera_device *icd, int idx,
+static int mx3_camera_get_formats(struct soc_camera_device *icd, unsigned idx,
 				  struct soc_camera_format_xlate *xlate)
 {
 	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
@@ -689,7 +689,7 @@ static int mx3_camera_get_formats(struct soc_camera_device *icd, int idx,
 	fmt = soc_mbus_get_fmtdesc(code);
 	if (!fmt) {
 		dev_err(icd->dev.parent,
-			"Invalid format code #%d: %d\n", idx, code);
+			"Invalid format code #%u: %d\n", idx, code);
 		return 0;
 	}
 
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c
index 7f8ece3..a235067 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -1092,10 +1092,10 @@ static struct v4l2_subdev_core_ops ov772x_subdev_core_ops = {
 #endif
 };
 
-static int ov772x_enum_fmt(struct v4l2_subdev *sd, int index,
+static int ov772x_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			   enum v4l2_mbus_pixelcode *code)
 {
-	if ((unsigned int)index >= ARRAY_SIZE(ov772x_cfmts))
+	if (index >= ARRAY_SIZE(ov772x_cfmts))
 		return -EINVAL;
 
 	*code = ov772x_cfmts[index].code;
diff --git a/drivers/media/video/ov9640.c b/drivers/media/video/ov9640.c
index 36599a6..e36fa65 100644
--- a/drivers/media/video/ov9640.c
+++ b/drivers/media/video/ov9640.c
@@ -614,10 +614,10 @@ static int ov9640_try_fmt(struct v4l2_subdev *sd,
 	return 0;
 }
 
-static int ov9640_enum_fmt(struct v4l2_subdev *sd, int index,
+static int ov9640_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			   enum v4l2_mbus_pixelcode *code)
 {
-	if ((unsigned int)index >= ARRAY_SIZE(ov9640_codes))
+	if (index >= ARRAY_SIZE(ov9640_codes))
 		return -EINVAL;
 
 	*code = ov9640_codes[index];
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index 520a35b..2d9eb57 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -1245,7 +1245,7 @@ static bool pxa_camera_packing_supported(const struct soc_mbus_pixelfmt *fmt)
 		 fmt->packing == SOC_MBUS_PACKING_EXTEND16);
 }
 
-static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
+static int pxa_camera_get_formats(struct soc_camera_device *icd, unsigned idx,
 				  struct soc_camera_format_xlate *xlate)
 {
 	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
@@ -1262,7 +1262,7 @@ static int pxa_camera_get_formats(struct soc_camera_device *icd, int idx,
 
 	fmt = soc_mbus_get_fmtdesc(code);
 	if (!fmt) {
-		dev_err(dev, "Invalid format code #%d: %d\n", idx, code);
+		dev_err(dev, "Invalid format code #%u: %d\n", idx, code);
 		return 0;
 	}
 
diff --git a/drivers/media/video/rj54n1cb0c.c b/drivers/media/video/rj54n1cb0c.c
index bbd9c11..a107574 100644
--- a/drivers/media/video/rj54n1cb0c.c
+++ b/drivers/media/video/rj54n1cb0c.c
@@ -481,10 +481,10 @@ static int reg_write_multiple(struct i2c_client *client,
 	return 0;
 }
 
-static int rj54n1_enum_fmt(struct v4l2_subdev *sd, int index,
+static int rj54n1_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			   enum v4l2_mbus_pixelcode *code)
 {
-	if ((unsigned int)index >= ARRAY_SIZE(rj54n1_colour_fmts))
+	if (index >= ARRAY_SIZE(rj54n1_colour_fmts))
 		return -EINVAL;
 
 	*code = rj54n1_colour_fmts[index].code;
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 1604034..a426470 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -877,7 +877,7 @@ static bool sh_mobile_ceu_packing_supported(const struct soc_mbus_pixelfmt *fmt)
 
 static int client_g_rect(struct v4l2_subdev *sd, struct v4l2_rect *rect);
 
-static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, int idx,
+static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, unsigned idx,
 				     struct soc_camera_format_xlate *xlate)
 {
 	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
@@ -896,7 +896,7 @@ static int sh_mobile_ceu_get_formats(struct soc_camera_device *icd, int idx,
 	fmt = soc_mbus_get_fmtdesc(code);
 	if (!fmt) {
 		dev_err(icd->dev.parent,
-			"Invalid format code #%d: %d\n", idx, code);
+			"Invalid format code #%u: %d\n", idx, code);
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index 95cb336..7e8d106 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -199,7 +199,8 @@ static int soc_camera_init_user_formats(struct soc_camera_device *icd)
 {
 	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
-	int i, fmts = 0, raw_fmts = 0, ret;
+	unsigned i, fmts = 0, raw_fmts = 0;
+	int ret;
 	enum v4l2_mbus_pixelcode code;
 
 	while (!v4l2_subdev_call(sd, video, enum_mbus_fmt, raw_fmts, &code))
diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c
index 10b003a..09e1d68 100644
--- a/drivers/media/video/soc_camera_platform.c
+++ b/drivers/media/video/soc_camera_platform.c
@@ -71,7 +71,7 @@ static int soc_camera_platform_try_fmt(struct v4l2_subdev *sd,
 
 static struct v4l2_subdev_core_ops platform_subdev_core_ops;
 
-static int soc_camera_platform_enum_fmt(struct v4l2_subdev *sd, int index,
+static int soc_camera_platform_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 					enum v4l2_mbus_pixelcode *code)
 {
 	struct soc_camera_platform_info *p = v4l2_get_subdevdata(sd);
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c
index 76be733..0e1cc08 100644
--- a/drivers/media/video/tw9910.c
+++ b/drivers/media/video/tw9910.c
@@ -903,7 +903,7 @@ static struct v4l2_subdev_core_ops tw9910_subdev_core_ops = {
 #endif
 };
 
-static int tw9910_enum_fmt(struct v4l2_subdev *sd, int index,
+static int tw9910_enum_fmt(struct v4l2_subdev *sd, unsigned index,
 			   enum v4l2_mbus_pixelcode *code)
 {
 	if (index)
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index c9a5bbf..79b2e21 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -66,7 +66,7 @@ struct soc_camera_host_ops {
 	 * .get_formats() fail, .put_formats() will not be called at all, the
 	 * failing .get_formats() must then clean up internally.
 	 */
-	int (*get_formats)(struct soc_camera_device *, int,
+	int (*get_formats)(struct soc_camera_device *, unsigned,
 			   struct soc_camera_format_xlate *);
 	void (*put_formats)(struct soc_camera_device *);
 	int (*cropcap)(struct soc_camera_device *, struct v4l2_cropcap *);
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index a888893..a3b2e58 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -246,7 +246,7 @@ struct v4l2_subdev_video_ops {
 			struct v4l2_dv_timings *timings);
 	int (*g_dv_timings)(struct v4l2_subdev *sd,
 			struct v4l2_dv_timings *timings);
-	int (*enum_mbus_fmt)(struct v4l2_subdev *sd, int index,
+	int (*enum_mbus_fmt)(struct v4l2_subdev *sd, unsigned index,
 			     enum v4l2_mbus_pixelcode *code);
 	int (*g_mbus_fmt)(struct v4l2_subdev *sd,
 			  struct v4l2_mbus_framefmt *fmt);
