pinctrl: madera: Add missing call to pinctrl_unregister_mappings

pinctrl_register_mappings is called in the pdata case, however a call to
pinctrl_unregister_mappings is missing causing the mappings to be leaked
on driver unbind. Add the missing call to correct this issue.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200228154214.13916-1-ckeepax@opensource.cirrus.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/cirrus/pinctrl-madera-core.c b/drivers/pinctrl/cirrus/pinctrl-madera-core.c
index 7b6409e..dce2626 100644 (file)
--- a/drivers/pinctrl/cirrus/pinctrl-madera-core.c
+++ b/drivers/pinctrl/cirrus/pinctrl-madera-core.c
@@ -1073,13 +1073,26 @@ static int madera_pin_probe(struct platform_device *pdev)
                return ret;
        }
 
+       platform_set_drvdata(pdev, priv);
+
        dev_dbg(priv->dev, "pinctrl probed ok\n");
 
        return 0;
 }
 
+static int madera_pin_remove(struct platform_device *pdev)
+{
+       struct madera_pin_private *priv = platform_get_drvdata(pdev);
+
+       if (priv->madera->pdata.gpio_configs)
+               pinctrl_unregister_mappings(priv->madera->pdata.gpio_configs);
+
+       return 0;
+}
+
 static struct platform_driver madera_pin_driver = {
        .probe = madera_pin_probe,
+       .remove = madera_pin_remove,
        .driver = {
                .name = "madera-pinctrl",
        },