[media] V4L: soc-camera: un-export the soc-camera bus

The soc-camera bus is now completely local again. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Author: lyakh

drivers/media/video/soc_camera.c

@@ -1207,12 +1207,11 @@ static int soc_camera_remove(struct device *dev)
 return 0;
 }
 
-struct bus_type soc_camera_bus_type = {
+static struct bus_type soc_camera_bus_type = {
 .name= "soc-camera",
 .probe= soc_camera_probe,
 .remove= soc_camera_remove,
 };
-EXPORT_SYMBOL_GPL(soc_camera_bus_type);
 
 static struct device_driver ic_drv = {
 .name= "camera",

include/media/soc_camera.h

@@ -20,12 +20,10 @@
 #include <media/videobuf2-core.h>
 #include <media/v4l2-device.h>
 
-extern struct bus_type soc_camera_bus_type;
-
 struct file;
 
 struct soc_camera_device {
-struct list_head list;
+struct list_head list;/* list of all registered devices */
 struct device dev;
 struct device *pdev;/* Platform device */
 s32 user_width;
@@ -126,8 +124,8 @@ struct soc_camera_link {
 int num_regulators;
 
 /*
- * For non-I2C devices platform platform has to provide methods to
- * add a device to the system and to remove
+ * For non-I2C devices platform has to provide methods to add a device
+ * to the system and to remove it
  */
 int (*add_device)(struct soc_camera_link *, struct device *);
 void (*del_device)(struct soc_camera_link *);