[PATCH -next] gpio: mockup: remove gpio debugfs when remove device

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GPIO mockup debugfs is created in gpio_mockup_probe() but
forgot to remove when remove device. This patch add a devm
managed callback for removing them.

Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/gpio/gpio-mockup.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 8943cea92764..1fdc444b093b 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -373,6 +373,13 @@ static void gpio_mockup_debugfs_setup(struct device *dev,
 	}
 }
 
+static void gpio_mockup_debugfs_cleanup(void *data)
+{
+	struct gpio_mockup_chip *chip = data;
+
+	debugfs_remove_recursive(chip->dbg_dir);
+}
+
 static void gpio_mockup_dispose_mappings(void *data)
 {
 	struct gpio_mockup_chip *chip = data;
@@ -455,6 +462,10 @@ static int gpio_mockup_probe(struct platform_device *pdev)
 
 	gpio_mockup_debugfs_setup(dev, chip);
 
+	rv = devm_add_action_or_reset(dev, gpio_mockup_debugfs_cleanup, chip);
+	if (rv)
+		return rv;
+
 	return 0;
 }
 
-- 
2.34.1




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