device property: Constify fwnode connection match APIs

The fwnode and device parameters are not altered in the fwnode
connection match APIs, constify them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20221004092129.19412-3-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/property.c

@@ -1213,7 +1213,7 @@ const void *device_get_match_data(const struct device *dev)
 }
 EXPORT_SYMBOL_GPL(device_get_match_data);
 
-static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode,
+static unsigned int fwnode_graph_devcon_matches(const struct fwnode_handle *fwnode,
 						const char *con_id, void *data,
 						devcon_match_fn_t match,
 						void **matches,
@@ -1247,7 +1247,7 @@ static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode,
 	return count;
 }
 
-static unsigned int fwnode_devcon_matches(struct fwnode_handle *fwnode,
+static unsigned int fwnode_devcon_matches(const struct fwnode_handle *fwnode,
 					  const char *con_id, void *data,
 					  devcon_match_fn_t match,
 					  void **matches,
@@ -1289,7 +1289,7 @@ static unsigned int fwnode_devcon_matches(struct fwnode_handle *fwnode,
  * device node. @match will be used to convert the connection description to
  * data the caller is expecting to be returned.
  */
-void *fwnode_connection_find_match(struct fwnode_handle *fwnode,
+void *fwnode_connection_find_match(const struct fwnode_handle *fwnode,
 				   const char *con_id, void *data,
 				   devcon_match_fn_t match)
 {
@@ -1326,7 +1326,7 @@ EXPORT_SYMBOL_GPL(fwnode_connection_find_match);
  *
  * Return: Number of matches resolved, or negative errno.
  */
-int fwnode_connection_find_matches(struct fwnode_handle *fwnode,
+int fwnode_connection_find_matches(const struct fwnode_handle *fwnode,
 				   const char *con_id, void *data,
 				   devcon_match_fn_t match,
 				   void **matches, unsigned int matches_len)

drivers/usb/roles/class.c

@@ -87,7 +87,7 @@ enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
 }
 EXPORT_SYMBOL_GPL(usb_role_switch_get_role);
 
-static void *usb_role_switch_match(struct fwnode_handle *fwnode, const char *id,
+static void *usb_role_switch_match(const struct fwnode_handle *fwnode, const char *id,
 				   void *data)
 {
 	struct device *dev;

drivers/usb/typec/mux.c

@@ -32,8 +32,8 @@ static int switch_fwnode_match(struct device *dev, const void *fwnode)
 	return device_match_fwnode(dev, fwnode);
 }
 
-static void *typec_switch_match(struct fwnode_handle *fwnode, const char *id,
-				void *data)
+static void *typec_switch_match(const struct fwnode_handle *fwnode,
+				const char *id, void *data)
 {
 	struct device *dev;
 
@@ -262,8 +262,8 @@ static int mux_fwnode_match(struct device *dev, const void *fwnode)
 	return device_match_fwnode(dev, fwnode);
 }
 
-static void *typec_mux_match(struct fwnode_handle *fwnode, const char *id,
-			     void *data)
+static void *typec_mux_match(const struct fwnode_handle *fwnode,
+			     const char *id, void *data)
 {
 	const struct typec_altmode_desc *desc = data;
 	struct device *dev;

drivers/usb/typec/retimer.c

@@ -34,7 +34,7 @@ static int retimer_fwnode_match(struct device *dev, const void *fwnode)
 	return device_match_fwnode(dev, fwnode) && dev_name_ends_with(dev, "-retimer");
 }
 
-static void *typec_retimer_match(struct fwnode_handle *fwnode, const char *id, void *data)
+static void *typec_retimer_match(const struct fwnode_handle *fwnode, const char *id, void *data)
 {
 	struct device *dev;
 

include/linux/property.h

@@ -442,21 +442,21 @@ unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode,
 int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
 				struct fwnode_endpoint *endpoint);
 
-typedef void *(*devcon_match_fn_t)(struct fwnode_handle *fwnode, const char *id,
+typedef void *(*devcon_match_fn_t)(const struct fwnode_handle *fwnode, const char *id,
 				   void *data);
 
-void *fwnode_connection_find_match(struct fwnode_handle *fwnode,
+void *fwnode_connection_find_match(const struct fwnode_handle *fwnode,
 				   const char *con_id, void *data,
 				   devcon_match_fn_t match);
 
-static inline void *device_connection_find_match(struct device *dev,
+static inline void *device_connection_find_match(const struct device *dev,
 						 const char *con_id, void *data,
 						 devcon_match_fn_t match)
 {
 	return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match);
 }
 
-int fwnode_connection_find_matches(struct fwnode_handle *fwnode,
+int fwnode_connection_find_matches(const struct fwnode_handle *fwnode,
 				   const char *con_id, void *data,
 				   devcon_match_fn_t match,
 				   void **matches, unsigned int matches_len);