3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/most/cdev/Kconfig b/drivers/staging/most/cdev/Kconfig
index 2b04e26bcbea..330c95fe6550 100644
--- a/drivers/staging/most/cdev/Kconfig
+++ b/drivers/staging/most/cdev/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # MOST Cdev configuration
 #
diff --git a/drivers/staging/most/cdev/Makefile b/drivers/staging/most/cdev/Makefile
index 21b0bd72c01d..9f4a8b8c9c27 100644
--- a/drivers/staging/most/cdev/Makefile
+++ b/drivers/staging/most/cdev/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_MOST_CDEV) += most_cdev.o
 
 most_cdev-objs := cdev.o
diff --git a/drivers/staging/most/cdev/cdev.c b/drivers/staging/most/cdev/cdev.c
index f2b347cda8b7..d0cc0b746107 100644
--- a/drivers/staging/most/cdev/cdev.c
+++ b/drivers/staging/most/cdev/cdev.c
@@ -425,7 +425,7 @@ static int comp_tx_completion(struct most_interface *iface, int channel_id)
  * Returns 0 on success or error code otherwise.
  */
 static int comp_probe(struct most_interface *iface, int channel_id,
-		      struct most_channel_config *cfg, char *name)
+		      struct most_channel_config *cfg, char *name, char *args)
 {
 	struct comp_channel *c;
 	unsigned long cl_flags;
@@ -527,8 +527,13 @@ static int __init mod_init(void)
 	err = most_register_component(&comp.cc);
 	if (err)
 		goto free_cdev;
+	err = most_register_configfs_subsys(&comp.cc);
+	if (err)
+		goto deregister_comp;
 	return 0;
 
+deregister_comp:
+	most_deregister_component(&comp.cc);
 free_cdev:
 	unregister_chrdev_region(comp.devno, CHRDEV_REGION_SIZE);
 dest_ida:
@@ -543,13 +548,14 @@ static void __exit mod_exit(void)
 
 	pr_info("exit module\n");
 
+	most_deregister_configfs_subsys(&comp.cc);
 	most_deregister_component(&comp.cc);
 
 	list_for_each_entry_safe(c, tmp, &channel_list, list) {
 		destroy_cdev(c);
 		destroy_channel(c);
 	}
-	unregister_chrdev_region(comp.devno, 1);
+	unregister_chrdev_region(comp.devno, CHRDEV_REGION_SIZE);
 	ida_destroy(&comp.minor_id);
 	class_destroy(comp.class);
 }