From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
[ Upstream commit 644ee70267a934be27370f9aa618b29af7290544 ]
Uwe Kleine-König pointed out we still have one resource leak in the mvebu
driver triggered on driver detach. Let's address it with a custom devm
action.
Fixes: 812d47889a8e ("gpio/mvebu: Use irq_domain_add_linear")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpio/gpio-mvebu.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 4d64b3358c50c..b965513f44fea 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -1112,6 +1112,13 @@ static int mvebu_gpio_probe_syscon(struct platform_device *pdev,
return 0;
}
+static void mvebu_gpio_remove_irq_domain(void *data)
+{
+ struct irq_domain *domain = data;
+
+ irq_domain_remove(domain);
+}
+
static int mvebu_gpio_probe(struct platform_device *pdev)
{
struct mvebu_gpio_chip *mvchip;
@@ -1247,13 +1254,18 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
+ err = devm_add_action_or_reset(&pdev->dev, mvebu_gpio_remove_irq_domain,
+ mvchip->domain);
+ if (err)
+ return err;
+
err = irq_alloc_domain_generic_chips(
mvchip->domain, ngpios, 2, np->name, handle_level_irq,
IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_LEVEL, 0, 0);
if (err) {
dev_err(&pdev->dev, "couldn't allocate irq chips %s (DT).\n",
mvchip->chip.label);
- goto err_domain;
+ return err;
}
/*
@@ -1293,10 +1305,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
}
return 0;
-
-err_domain:
- irq_domain_remove(mvchip->domain);
- return err;
}
static struct platform_driver mvebu_gpio_driver = {
--
2.39.2
