1 files changed, 14 insertions, 12 deletions

diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 8abc7d022ff7..207b64c0a2fe 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -20,7 +20,9 @@
 
 #include "rpmsg_internal.h"
 
-struct class *rpmsg_class;
+const struct class rpmsg_class = {
+	.name = "rpmsg",
+};
 EXPORT_SYMBOL(rpmsg_class);
 
 /**
@@ -375,9 +377,9 @@ EXPORT_SYMBOL(rpmsg_get_mtu);
  * this is used to make sure we're not creating rpmsg devices for channels
  * that already exist.
  */
-static int rpmsg_device_match(struct device *dev, void *data)
+static int rpmsg_device_match(struct device *dev, const void *data)
 {
-	struct rpmsg_channel_info *chinfo = data;
+	const struct rpmsg_channel_info *chinfo = data;
 	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
 
 	if (chinfo->src != RPMSG_ADDR_ANY && chinfo->src != rpdev->src)
@@ -491,10 +493,10 @@ static inline int rpmsg_id_match(const struct rpmsg_device *rpdev,
 }
 
 /* match rpmsg channel and rpmsg driver */
-static int rpmsg_dev_match(struct device *dev, struct device_driver *drv)
+static int rpmsg_dev_match(struct device *dev, const struct device_driver *drv)
 {
 	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
-	struct rpmsg_driver *rpdrv = to_rpmsg_driver(drv);
+	const struct rpmsg_driver *rpdrv = to_rpmsg_driver(drv);
 	const struct rpmsg_device_id *ids = rpdrv->id_table;
 	unsigned int i;
 
@@ -605,7 +607,7 @@ static void rpmsg_dev_remove(struct device *dev)
 		rpmsg_destroy_ept(rpdev->ept);
 }
 
-static struct bus_type rpmsg_bus = {
+static const struct bus_type rpmsg_bus = {
 	.name		= "rpmsg",
 	.match		= rpmsg_dev_match,
 	.dev_groups	= rpmsg_dev_groups,
@@ -715,16 +717,16 @@ static int __init rpmsg_init(void)
 {
 	int ret;
 
-	rpmsg_class = class_create("rpmsg");
-	if (IS_ERR(rpmsg_class)) {
-		pr_err("failed to create rpmsg class\n");
-		return PTR_ERR(rpmsg_class);
+	ret = class_register(&rpmsg_class);
+	if (ret) {
+		pr_err("failed to register rpmsg class\n");
+		return ret;
 	}
 
 	ret = bus_register(&rpmsg_bus);
 	if (ret) {
 		pr_err("failed to register rpmsg bus: %d\n", ret);
-		class_destroy(rpmsg_class);
+		class_destroy(&rpmsg_class);
 	}
 	return ret;
 }
@@ -733,7 +735,7 @@ postcore_initcall(rpmsg_init);
 static void __exit rpmsg_fini(void)
 {
 	bus_unregister(&rpmsg_bus);
-	class_destroy(rpmsg_class);
+	class_destroy(&rpmsg_class);
 }
 module_exit(rpmsg_fini);