media: vimc: remove the helper function vimc_ent_sd_unregister

since this function only calls v4l2_device_unregister_subdev,
it is pointless.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/vimc/vimc-common.c

@@ -421,8 +421,3 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved,
 }
 EXPORT_SYMBOL_GPL(vimc_ent_sd_register);
 
-void vimc_ent_sd_unregister(struct vimc_ent_device *ved, struct v4l2_subdev *sd)
-{
-	v4l2_device_unregister_subdev(sd);
-}
-EXPORT_SYMBOL_GPL(vimc_ent_sd_unregister);

drivers/media/platform/vimc/vimc-common.h

@@ -251,18 +251,6 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved,
 			 const struct v4l2_subdev_internal_ops *sd_int_ops,
 			 const struct v4l2_subdev_ops *sd_ops);
 
-/**
- * vimc_ent_sd_unregister - cleanup and unregister a subdev node
- *
- * @ved:	the vimc_ent_device struct to be cleaned up
- * @sd:		the v4l2_subdev struct to be unregistered
- *
- * Helper function cleanup and unregister the struct vimc_ent_device and struct
- * v4l2_subdev which represents a subdev node in the topology
- */
-void vimc_ent_sd_unregister(struct vimc_ent_device *ved,
-			    struct v4l2_subdev *sd);
-
 /**
  * vimc_link_validate - validates a media link
  *

drivers/media/platform/vimc/vimc-debayer.c

@@ -491,7 +491,7 @@ void vimc_deb_rm(struct vimc_device *vimc, struct vimc_ent_device *ved)
 	struct vimc_deb_device *vdeb;
 
 	vdeb = container_of(ved, struct vimc_deb_device, ved);
-	vimc_ent_sd_unregister(ved, &vdeb->sd);
+	v4l2_device_unregister_subdev(&vdeb->sd);
 }
 
 struct vimc_ent_device *vimc_deb_add(struct vimc_device *vimc,

drivers/media/platform/vimc/vimc-scaler.c

@@ -350,7 +350,7 @@ void vimc_sca_rm(struct vimc_device *vimc, struct vimc_ent_device *ved)
 	struct vimc_sca_device *vsca;
 
 	vsca = container_of(ved, struct vimc_sca_device, ved);
-	vimc_ent_sd_unregister(ved, &vsca->sd);
+	v4l2_device_unregister_subdev(&vsca->sd);
 }
 
 struct vimc_ent_device *vimc_sca_add(struct vimc_device *vimc,

drivers/media/platform/vimc/vimc-sensor.c

@@ -305,7 +305,7 @@ void vimc_sen_rm(struct vimc_device *vimc, struct vimc_ent_device *ved)
 	struct vimc_sen_device *vsen;
 
 	vsen = container_of(ved, struct vimc_sen_device, ved);
-	vimc_ent_sd_unregister(ved, &vsen->sd);
+	v4l2_device_unregister_subdev(&vsen->sd);
 }
 
 /* Image Processing Controls */