[RFC 02/10] property: add fwnode_get_match_data()

Clément Léger
2022-02-21T16:38:54Z

Add fwnode_get_match_data() which is meant to be used as
device_get_match_data for fwnode_operations.

Signed-off-by: Clément Léger <clement.leger@bootlin.com>
---
drivers/base/property.c | 12 ++++++++++++
include/linux/property.h | 3 +++
2 files changed, 15 insertions(+)

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 434c2713fd99..6ffb3ac4509c 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -1181,6 +1181,18 @@ const struct of_device_id *fwnode_match_node(const struct fwnode_handle *fwnode,
}
EXPORT_SYMBOL(fwnode_match_node);

+const void *fwnode_get_match_data(const struct fwnode_handle *fwnode,
+ const struct device *dev)
+{
+ const struct of_device_id *match;
+
+ match = fwnode_match_node(fwnode, dev->driver->of_match_table);
+ if (!match)
+ return NULL;
+
+ return match->data;
+}
+
const void *device_get_match_data(struct device *dev)
{
return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev);
diff --git a/include/linux/property.h b/include/linux/property.h
index 978ecf6be34e..7f727c492602 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -449,6 +449,9 @@ static inline void *device_connection_find_match(struct device *dev,
const struct of_device_id *fwnode_match_node(const struct fwnode_handle *fwnode,
const struct of_device_id *matches);

+const void *fwnode_get_match_data(const struct fwnode_handle *fwnode,
+ const struct device *dev);
+
/* -------------------------------------------------------------------------- */
/* Software fwnode support - when HW description is incomplete or missing */

--
2.34.1