diff options
Diffstat (limited to 'drivers/pinctrl/berlin/berlin.c')
| -rw-r--r-- | drivers/pinctrl/berlin/berlin.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c index 7f0b0f932..f49580617 100644 --- a/drivers/pinctrl/berlin/berlin.c +++ b/drivers/pinctrl/berlin/berlin.c @@ -11,6 +11,7 @@ */ #include <linux/io.h> +#include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> @@ -295,13 +296,15 @@ int berlin_pinctrl_probe(struct platform_device *pdev, const struct berlin_pinctrl_desc *desc) { struct device *dev = &pdev->dev; + struct device_node *parent_np = of_get_parent(dev->of_node); struct berlin_pinctrl *pctrl; struct regmap *regmap; int ret; - regmap = dev_get_regmap(&pdev->dev, NULL); - if (!regmap) - return -ENODEV; + regmap = syscon_node_to_regmap(parent_np); + of_node_put(parent_np); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) @@ -320,9 +323,9 @@ int berlin_pinctrl_probe(struct platform_device *pdev, } pctrl->pctrl_dev = pinctrl_register(&berlin_pctrl_desc, dev, pctrl); - if (!pctrl->pctrl_dev) { + if (IS_ERR(pctrl->pctrl_dev)) { dev_err(dev, "failed to register pinctrl driver\n"); - return -EINVAL; + return PTR_ERR(pctrl->pctrl_dev); } return 0; |