linux-kernel - [PATCH 3/8] mfd: max14577: Fix wakeup source leaks on device unbind

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Message-Id: <20250406-mfd-device-wakekup-leak-v1-3-318e14bdba0a@linaro.org>
Date: Sun, 06 Apr 2025 21:50:11 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Karel Balej <balejk@...fyz.cz>, Lee Jones <lee@...nel.org>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Krzysztof Kozlowski <krzk@...nel.org>, 
 Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>
Cc: linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 3/8] mfd: max14577: Fix wakeup source leaks on device
 unbind

Device can be unbound, so driver must also release memory for the wakeup
source.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/mfd/max14577.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index 6fce79ec2dc64682ef4d85f22d762ec8e2ce1adb..7e7e8af9af224660557e76c2b80d92b05c86d202 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -456,6 +456,7 @@ static void max14577_i2c_remove(struct i2c_client *i2c)
 {
 	struct max14577 *max14577 = i2c_get_clientdata(i2c);
 
+	device_init_wakeup(max14577->dev, false);
 	mfd_remove_devices(max14577->dev);
 	regmap_del_irq_chip(max14577->irq, max14577->irq_data);
 	if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836)

-- 
2.45.2