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authorRussell King <rmk+kernel@arm.linux.org.uk>2015-07-07 12:35:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-07-07 12:35:33 +0100
commit06be5eefe1192eb8ce8d07497f67595b6bfe9741 (patch)
tree80f1987d4970f8079681f8be0c135cafc8d6329a /drivers/pinctrl/berlin/berlin.c
parentARM: fix lockdep unannotated irqs-off warning (diff)
parentARM: avoid unwanted GCC memset()/memcpy() optimisations for IO variants (diff)
downloadlinux-dev-06be5eefe1192eb8ce8d07497f67595b6bfe9741.tar.xz
linux-dev-06be5eefe1192eb8ce8d07497f67595b6bfe9741.zip
Merge branches 'fixes' and 'ioremap' into for-linus
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 7f0b0f93242b..f49580617055 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;