--- zzzz-none-000/linux-3.10.107/drivers/char/hw_random/octeon-rng.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/char/hw_random/octeon-rng.c	2021-02-04 17:41:59.000000000 +0000
@@ -10,7 +10,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/device.h>
 #include <linux/hw_random.h>
@@ -96,8 +95,8 @@
 
 	rng->ops = ops;
 
-	dev_set_drvdata(&pdev->dev, &rng->ops);
-	ret = hwrng_register(&rng->ops);
+	platform_set_drvdata(pdev, &rng->ops);
+	ret = devm_hwrng_register(&pdev->dev, &rng->ops);
 	if (ret)
 		return -ENOENT;
 
@@ -106,22 +105,11 @@
 	return 0;
 }
 
-static int __exit octeon_rng_remove(struct platform_device *pdev)
-{
-	struct hwrng *rng = dev_get_drvdata(&pdev->dev);
-
-	hwrng_unregister(rng);
-
-	return 0;
-}
-
 static struct platform_driver octeon_rng_driver = {
 	.driver = {
 		.name		= "octeon_rng",
-		.owner		= THIS_MODULE,
 	},
 	.probe		= octeon_rng_probe,
-	.remove		= __exit_p(octeon_rng_remove),
 };
 
 module_platform_driver(octeon_rng_driver);