[media] media: use unsigned for pad index

The pad index is unsigned. Replace the occurences of it where
pertinent.

Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/omap3isp/ispccdc.c

@@ -2513,7 +2513,7 @@ static int ccdc_link_setup(struct media_entity *entity,
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct isp_ccdc_device *ccdc = v4l2_get_subdevdata(sd);
 	struct isp_device *isp = to_isp_device(ccdc);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/media/platform/omap3isp/ispccp2.c

@@ -956,7 +956,7 @@ static int ccp2_link_setup(struct media_entity *entity,
 {
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/media/platform/omap3isp/ispcsi2.c

@@ -1144,7 +1144,7 @@ static int csi2_link_setup(struct media_entity *entity,
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct isp_csi2_device *csi2 = v4l2_get_subdevdata(sd);
 	struct isp_csi2_ctrl_cfg *ctrl = &csi2->ctrl;
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/*
 	 * The ISP core doesn't support pipelines with multiple video outputs.

drivers/media/platform/omap3isp/isppreview.c

@@ -2144,7 +2144,7 @@ static int preview_link_setup(struct media_entity *entity,
 {
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct isp_prev_device *prev = v4l2_get_subdevdata(sd);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/media/platform/omap3isp/ispresizer.c

@@ -1623,7 +1623,7 @@ static int resizer_link_setup(struct media_entity *entity,
 {
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct isp_res_device *res = v4l2_get_subdevdata(sd);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/staging/media/davinci_vpfe/dm365_ipipeif.c

@@ -885,7 +885,7 @@ ipipeif_link_setup(struct media_entity *entity, const struct media_pad *local,
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct vpfe_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd);
 	struct vpfe_device *vpfe = to_vpfe_device(ipipeif);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/staging/media/davinci_vpfe/dm365_isif.c

@@ -1707,7 +1707,7 @@ isif_link_setup(struct media_entity *entity, const struct media_pad *local,
 {
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct vpfe_isif_device *isif = v4l2_get_subdevdata(sd);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/staging/media/davinci_vpfe/dm365_resizer.c

@@ -1648,7 +1648,7 @@ static int resizer_link_setup(struct media_entity *entity,
 	struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
 	u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output;
 	u16 ipipe_source = vpfe_dev->vpfe_ipipe.output;
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/staging/media/omap4iss/iss_csi2.c

@@ -1170,7 +1170,7 @@ static int csi2_link_setup(struct media_entity *entity,
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd);
 	struct iss_csi2_ctrl_cfg *ctrl = &csi2->ctrl;
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/staging/media/omap4iss/iss_ipipeif.c

@@ -662,7 +662,7 @@ static int ipipeif_link_setup(struct media_entity *entity,
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd);
 	struct iss_device *iss = to_iss_device(ipipeif);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))

drivers/staging/media/omap4iss/iss_resizer.c

@@ -716,7 +716,7 @@ static int resizer_link_setup(struct media_entity *entity,
 	struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
 	struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd);
 	struct iss_device *iss = to_iss_device(resizer);
-	int index = local->index;
+	unsigned int index = local->index;
 
 	/* FIXME: this is actually a hack! */
 	if (is_media_entity_v4l2_subdev(remote->entity))