mfd: 88pm886: 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 <[email protected]>
Reviewed-by: Karel Balej <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: krzk

drivers/mfd/88pm886.c

@@ -124,7 +124,11 @@ static int pm886_probe(struct i2c_client *client)
 	if (err)
 		return dev_err_probe(dev, err, "Failed to register power off handler\n");
 
-	device_init_wakeup(dev, device_property_read_bool(dev, "wakeup-source"));
+	if (device_property_read_bool(dev, "wakeup-source")) {
+		err = devm_device_init_wakeup(dev);
+		if (err)
+			return dev_err_probe(dev, err, "Failed to init wakeup\n");
+	}
 
 	return 0;
 }