--- zzzz-none-000/linux-2.6.39.4/drivers/uwb/lc-rc.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/drivers/uwb/lc-rc.c	2021-11-10 13:23:10.000000000 +0000
@@ -39,9 +39,9 @@
 
 #include "uwb-internal.h"
 
-static int uwb_rc_index_match(struct device *dev, void *data)
+static int uwb_rc_index_match(struct device *dev, const void *data)
 {
-	int *index = data;
+	const int *index = data;
 	struct uwb_rc *rc = dev_get_drvdata(dev);
 
 	if (rc->index == *index)
@@ -333,9 +333,9 @@
 }
 EXPORT_SYMBOL_GPL(uwb_rc_rm);
 
-static int find_rc_try_get(struct device *dev, void *data)
+static int find_rc_try_get(struct device *dev, const void *data)
 {
-	struct uwb_rc *target_rc = data;
+	const struct uwb_rc *target_rc = data;
 	struct uwb_rc *rc = dev_get_drvdata(dev);
 
 	if (rc == NULL) {
@@ -385,9 +385,9 @@
 	return rc;
 }
 
-static int find_rc_grandpa(struct device *dev, void *data)
+static int find_rc_grandpa(struct device *dev, const void *data)
 {
-	struct device *grandpa_dev = data;
+	const struct device *grandpa_dev = data;
 	struct uwb_rc *rc = dev_get_drvdata(dev);
 
 	if (rc->uwb_dev.dev.parent->parent == grandpa_dev) {
@@ -418,7 +418,7 @@
 	struct device *dev;
 	struct uwb_rc *rc = NULL;
 
-	dev = class_find_device(&uwb_rc_class, NULL, (void *)grandpa_dev,
+	dev = class_find_device(&uwb_rc_class, NULL, grandpa_dev,
 				find_rc_grandpa);
 	if (dev)
 		rc = dev_get_drvdata(dev);
@@ -431,9 +431,9 @@
  *
  * @returns the pointer to the radio controller, properly referenced
  */
-static int find_rc_dev(struct device *dev, void *data)
+static int find_rc_dev(struct device *dev, const void *data)
 {
-	struct uwb_dev_addr *addr = data;
+	const struct uwb_dev_addr *addr = data;
 	struct uwb_rc *rc = dev_get_drvdata(dev);
 
 	if (rc == NULL) {
@@ -452,8 +452,7 @@
 	struct device *dev;
 	struct uwb_rc *rc = NULL;
 
-	dev = class_find_device(&uwb_rc_class, NULL, (void *)addr,
-				find_rc_dev);
+	dev = class_find_device(&uwb_rc_class, NULL, addr, find_rc_dev);
 	if (dev)
 		rc = dev_get_drvdata(dev);