--- zzzz-none-000/linux-3.10.107/drivers/media/i2c/tda9840.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/i2c/tda9840.c	2021-02-04 17:41:59.000000000 +0000
@@ -31,7 +31,6 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
 
 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 MODULE_DESCRIPTION("tda9840 driver");
@@ -145,26 +144,14 @@
 	return 0;
 }
 
-static int tda9840_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TDA9840, 0);
-}
-
 /* ----------------------------------------------------------------------- */
 
-static const struct v4l2_subdev_core_ops tda9840_core_ops = {
-	.g_chip_ident = tda9840_g_chip_ident,
-};
-
 static const struct v4l2_subdev_tuner_ops tda9840_tuner_ops = {
 	.s_tuner = tda9840_s_tuner,
 	.g_tuner = tda9840_g_tuner,
 };
 
 static const struct v4l2_subdev_ops tda9840_ops = {
-	.core = &tda9840_core_ops,
 	.tuner = &tda9840_tuner_ops,
 };
 
@@ -184,7 +171,7 @@
 	v4l_info(client, "chip found @ 0x%x (%s)\n",
 			client->addr << 1, client->adapter->name);
 
-	sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL);
+	sd = devm_kzalloc(&client->dev, sizeof(*sd), GFP_KERNEL);
 	if (sd == NULL)
 		return -ENOMEM;
 	v4l2_i2c_subdev_init(sd, client, &tda9840_ops);
@@ -201,7 +188,6 @@
 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
 
 	v4l2_device_unregister_subdev(sd);
-	kfree(sd);
 	return 0;
 }
 
@@ -213,7 +199,6 @@
 
 static struct i2c_driver tda9840_driver = {
 	.driver = {
-		.owner	= THIS_MODULE,
 		.name	= "tda9840",
 	},
 	.probe		= tda9840_probe,