greybus: debugfs: we shouldn't care if debugfs is working or not

This removes the error checking for debugfs initialization as we really
don't care if it failed or not.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Reviewed-by: Alex Elder <elder@linaro.org>

drivers/staging/greybus/core.c

@@ -212,11 +212,7 @@ static int __init gb_init(void)
 
 	BUILD_BUG_ON(HOST_DEV_CPORT_ID_MAX >= (long)CPORT_ID_BAD);
 
-	retval = gb_debugfs_init();
-	if (retval) {
-		pr_err("debugfs failed\n");
-		return retval;
-	}
+	gb_debugfs_init();
 
 	retval = bus_register(&greybus_bus_type);
 	if (retval) {

drivers/staging/greybus/debugfs.c

@@ -15,13 +15,9 @@
 
 static struct dentry *gb_debug_root;
 
-int gb_debugfs_init(void)
+void gb_debugfs_init(void)
 {
 	gb_debug_root = debugfs_create_dir("greybus", NULL);
-	if (!gb_debug_root)
-		return -ENOENT;
-
-	return 0;
 }
 
 void gb_debugfs_cleanup(void)

drivers/staging/greybus/greybus.h

@@ -158,7 +158,7 @@ int greybus_disabled(void);
 int greybus_svc_in(struct greybus_host_device *hd, u8 *data, int length);
 int gb_ap_init(void);
 void gb_ap_exit(void);
-int gb_debugfs_init(void);
+void gb_debugfs_init(void);
 void gb_debugfs_cleanup(void);
 struct dentry *gb_debugfs_get(void);