diff options
Diffstat (limited to 'drivers/gpio/gpio-syscon.c')
| -rw-r--r-- | drivers/gpio/gpio-syscon.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c index 537cec7583fc..8b0a69c5ba88 100644 --- a/drivers/gpio/gpio-syscon.c +++ b/drivers/gpio/gpio-syscon.c @@ -182,20 +182,15 @@ MODULE_DEVICE_TABLE(of, syscon_gpio_ids); static int syscon_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct of_device_id *of_id; struct syscon_gpio_priv *priv; struct device_node *np = dev->of_node; int ret; - of_id = of_match_device(syscon_gpio_ids, dev); - if (!of_id) - return -ENODEV; - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - priv->data = of_id->data; + priv->data = of_device_get_match_data(dev); if (priv->data->compatible) { priv->syscon = syscon_regmap_lookup_by_compatible( @@ -205,6 +200,8 @@ static int syscon_gpio_probe(struct platform_device *pdev) } else { priv->syscon = syscon_regmap_lookup_by_phandle(np, "gpio,syscon-dev"); + if (IS_ERR(priv->syscon) && np->parent) + priv->syscon = syscon_node_to_regmap(np->parent); if (IS_ERR(priv->syscon)) return PTR_ERR(priv->syscon); |