pinctrl: tz1090 Use devm_pinctrl_register() for pinctrl registration

Use devm_pinctrl_register() for pin control registration and
remove the need of .remove callback.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-tz1090.c

@@ -1962,7 +1962,8 @@ static int tz1090_pinctrl_probe(struct platform_device *pdev)
 	if (IS_ERR(pmx->regs))
 		return PTR_ERR(pmx->regs);
 
-	pmx->pctl = pinctrl_register(&tz1090_pinctrl_desc, &pdev->dev, pmx);
+	pmx->pctl = devm_pinctrl_register(&pdev->dev, &tz1090_pinctrl_desc,
+					  pmx);
 	if (IS_ERR(pmx->pctl)) {
 		dev_err(&pdev->dev, "Couldn't register pinctrl driver\n");
 		return PTR_ERR(pmx->pctl);
@@ -1975,15 +1976,6 @@ static int tz1090_pinctrl_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int tz1090_pinctrl_remove(struct platform_device *pdev)
-{
-	struct tz1090_pmx *pmx = platform_get_drvdata(pdev);
-
-	pinctrl_unregister(pmx->pctl);
-
-	return 0;
-}
-
 static const struct of_device_id tz1090_pinctrl_of_match[] = {
 	{ .compatible = "img,tz1090-pinctrl", },
 	{ },
@@ -1995,7 +1987,6 @@ static struct platform_driver tz1090_pinctrl_driver = {
 		.of_match_table	= tz1090_pinctrl_of_match,
 	},
 	.probe	= tz1090_pinctrl_probe,
-	.remove	= tz1090_pinctrl_remove,
 };
 
 static int __init tz1090_pinctrl_init(void)