Signed-off-by: Tomeu Vizoso <tomeu.viz...@collabora.com>
---
drivers/base/property.c | 17 +++++++++++++++++
include/linux/property.h | 10 ++++++++++
2 files changed, 27 insertions(+)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index d88539c31c67..cc823b283f49 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -580,3 +580,20 @@ bool fwnode_is_compatible(struct fwnode_handle *fwnode,
const char *compatible)
return false;
}
EXPORT_SYMBOL_GPL(fwnode_is_compatible);
+
+int devm_acquire_fwnode(struct device *dev,
+ const struct devm_resource *resource)
+{
+ struct device_node *np;
+ struct fwnode_handle **nodep;
+
+ np = of_parse_phandle(dev->of_node, resource->name, 0);
+ if (IS_ERR(np))
+ return PTR_ERR(np);
+
+ nodep = dev_get_drvdata(dev) + resource->offset;
+ *nodep = &np->fwnode;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devm_acquire_fwnode);
\ No newline at end of file
diff --git a/include/linux/property.h b/include/linux/property.h
index 3fd5fd58ebe9..1c6d5eb65516 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -17,6 +17,7 @@
#include <linux/types.h>
struct device;
+struct devm_resource;
enum dev_prop_type {
DEV_PROP_U8,
@@ -172,4 +173,13 @@ void device_add_property_set(struct device *dev, struct
property_set *pset);
bool device_dma_is_coherent(struct device *dev);
+int devm_acquire_fwnode(struct device *dev,
+ const struct devm_resource *resource);
+
+#define DEVM_FWNODE(_struct, _member, _name) { \
+ .initfunc = devm_acquire_fwnode, \
+ .offset = offsetof_t(struct _struct, _member, struct fwnode_handle *),\
+ .name = _name, \
+}
+
#endif /* _LINUX_PROPERTY_H_ */
--
2.4.3
--
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