From: Zheng Liang <zhengliang6@huawei.com>
Date: Tue, 24 Nov 2020 03:06:06 +0000 (+0800)
Subject: gpio: arizona: disable pm_runtime in case of failure
X-Git-Tag: v5.10~16^2~1^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0ac22098de6f9fd460ac1b1cbf6dbd324312161c;p=thirdparty%2Fkernel%2Flinux.git

gpio: arizona: disable pm_runtime in case of failure

pm_runtime_enable will increase power disable depth. Thus a
pairing decrement is needed on the error handling path to keep
it balanced.

Fixes:27a49ed17e224(gpio: arizona: Add support for GPIOs that)
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Liang <zhengliang6@huawei.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---

diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index 5bda38e0780f2..2bc173c352ce5 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -192,6 +192,7 @@ static int arizona_gpio_probe(struct platform_device *pdev)
 	ret = devm_gpiochip_add_data(&pdev->dev, &arizona_gpio->gpio_chip,
 				     arizona_gpio);
 	if (ret < 0) {
+		pm_runtime_disable(&pdev->dev);
 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
 			ret);
 		return ret;