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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/pinctrl/berlin/berlin.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/pinctrl/berlin/berlin.c')
-rw-r--r--drivers/pinctrl/berlin/berlin.c13
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;