gpio: max77620: Fix missing release of interrupt

The requested interrupt is never released by the driver. Fix this by
using the resource-managed variant of request_threaded_irq().

Fixes: ab3dd9cc ("gpio: max77620: Fix interrupt handling")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: <stable@vger.kernel.org> # 5.5+
Link: https://lore.kernel.org/r/20200709171203.12950-3-digetx@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-max77620.c

@@ -305,8 +305,9 @@ static int max77620_gpio_probe(struct platform_device *pdev)
 	gpiochip_irqchip_add_nested(&mgpio->gpio_chip, &max77620_gpio_irqchip,
 				    0, handle_edge_irq, IRQ_TYPE_NONE);
 
-	ret = request_threaded_irq(gpio_irq, NULL, max77620_gpio_irqhandler,
-				   IRQF_ONESHOT, "max77620-gpio", mgpio);
+	ret = devm_request_threaded_irq(&pdev->dev, gpio_irq, NULL,
+					max77620_gpio_irqhandler, IRQF_ONESHOT,
+					"max77620-gpio", mgpio);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to request IRQ: %d\n", ret);
 		return ret;