Input: amikbd - convert to use devm_* api

Use devm_* api to simplify code, this makes it unnecessary to explicitly
release resources.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Link: https://lore.kernel.org/r/20230714080611.81302-2-frank.li@vivo.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/keyboard/amikbd.c

@@ -196,7 +196,7 @@ static int __init amikbd_probe(struct platform_device *pdev)
 	struct input_dev *dev;
 	int i, err;
 
-	dev = input_allocate_device();
+	dev = devm_input_allocate_device(&pdev->dev);
 	if (!dev) {
 		dev_err(&pdev->dev, "Not enough memory for input device\n");
 		return -ENOMEM;
@@ -208,7 +208,6 @@ static int __init amikbd_probe(struct platform_device *pdev)
 	dev->id.vendor = 0x0001;
 	dev->id.product = 0x0001;
 	dev->id.version = 0x0100;
-	dev->dev.parent = &pdev->dev;
 
 	dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
 
@@ -218,35 +217,21 @@ static int __init amikbd_probe(struct platform_device *pdev)
 	amikbd_init_console_keymaps();
 
 	ciaa.cra &= ~0x41;	 /* serial data in, turn off TA */
-	err = request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
-			  dev);
+	err = devm_request_irq(&pdev->dev, IRQ_AMIGA_CIAA_SP, amikbd_interrupt,
+			       0, "amikbd", dev);
 	if (err)
-		goto fail2;
+		return err;
 
 	err = input_register_device(dev);
 	if (err)
-		goto fail3;
+		return err;
 
 	platform_set_drvdata(pdev, dev);
 
 	return 0;
-
- fail3:	free_irq(IRQ_AMIGA_CIAA_SP, dev);
- fail2:	input_free_device(dev);
-	return err;
-}
-
-static int __exit amikbd_remove(struct platform_device *pdev)
-{
-	struct input_dev *dev = platform_get_drvdata(pdev);
-
-	free_irq(IRQ_AMIGA_CIAA_SP, dev);
-	input_unregister_device(dev);
-	return 0;
 }
 
 static struct platform_driver amikbd_driver = {
-	.remove = __exit_p(amikbd_remove),
 	.driver   = {
 		.name	= "amiga-keyboard",
 	},