gpio: da9055: Use devm_gpiochip_add_data() for gpio registration

Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Support Opensource <support.opensource@diasemi.com>

drivers/gpio/gpio-da9055.c

@@ -151,31 +151,19 @@ static int da9055_gpio_probe(struct platform_device *pdev)
 	if (pdata && pdata->gpio_base)
 		gpio->gp.base = pdata->gpio_base;
 
-	ret = gpiochip_add_data(&gpio->gp, gpio);
+	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
-		goto err_mem;
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, gpio);
 
 	return 0;
-
-err_mem:
-	return ret;
-}
-
-static int da9055_gpio_remove(struct platform_device *pdev)
-{
-	struct da9055_gpio *gpio = platform_get_drvdata(pdev);
-
-	gpiochip_remove(&gpio->gp);
-	return 0;
 }
 
 static struct platform_driver da9055_gpio_driver = {
 	.probe = da9055_gpio_probe,
-	.remove = da9055_gpio_remove,
 	.driver = {
 		.name	= "da9055-gpio",
 	},