clk: rk808: use managed version of of_provider registration

Simplify clean-up for rk808 by using managed version of of_provider
registration.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-rk808.c

@@ -138,23 +138,12 @@ static int rk808_clkout_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	return of_clk_add_hw_provider(node, of_clk_rk808_get, rk808_clkout);
-}
-
-static int rk808_clkout_remove(struct platform_device *pdev)
-{
-	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
-	struct i2c_client *client = rk808->i2c;
-	struct device_node *node = client->dev.of_node;
-
-	of_clk_del_provider(node);
-
-	return 0;
+	return devm_of_clk_add_hw_provider(&pdev->dev, of_clk_rk808_get,
+					   rk808_clkout);
 }
 
 static struct platform_driver rk808_clkout_driver = {
 	.probe = rk808_clkout_probe,
-	.remove = rk808_clkout_remove,
 	.driver		= {
 		.name	= "rk808-clkout",
 	},