diff --git a/sys/compat/linuxkpi/common/include/linux/debugfs.h b/sys/compat/linuxkpi/common/include/linux/debugfs.h
index abda2d149582..734682cd7013 100644
--- a/sys/compat/linuxkpi/common/include/linux/debugfs.h
+++ b/sys/compat/linuxkpi/common/include/linux/debugfs.h
@@ -1,113 +1,120 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (c) 2016-2018, Matthew Macy <mmacy@freebsd.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #ifndef _LINUXKPI_LINUX_DEBUGFS_H_
 #define _LINUXKPI_LINUX_DEBUGFS_H_
 
 #include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/seq_file.h>
 #include <linux/types.h>
 
 MALLOC_DECLARE(M_DFSINT);
 
 struct debugfs_reg32 {
 	char *name;
 	unsigned long offset;
 };
 
 struct debugfs_regset32 {
 	const struct debugfs_reg32 *regs;
 	int nregs;
 };
 
 struct debugfs_blob_wrapper {
 	void			*data;
 	size_t			size;
 };
 
+static inline bool
+debugfs_initialized(void)
+{
+
+	return (true);
+}
+
 struct dentry *debugfs_create_file(const char *name, umode_t mode,
     struct dentry *parent, void *data,
     const struct file_operations *fops);
 
 /* TODO: We currently ignore the `file_size` argument. */
 struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
     struct dentry *parent, void *data,
     const struct file_operations *fops,
     loff_t file_size);
 
 struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode,
 struct dentry *parent, void *data,
     const struct file_operations *fops);
 
 struct dentry *debugfs_create_mode_unsafe(const char *name, umode_t mode,
     struct dentry *parent, void *data,
     const struct file_operations *fops,
     const struct file_operations *fops_ro,
     const struct file_operations *fops_wo);
 
 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
 
 struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
     const char *dest);
 
 void debugfs_remove(struct dentry *dentry);
 
 void debugfs_remove_recursive(struct dentry *dentry);
 
 #define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \
 	DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt)
 
 void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent,
     bool *value);
 void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
     uint8_t *value);
 void debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent,
     uint16_t *value);
 void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
     uint32_t *value);
 void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent,
     uint64_t *value);
 void debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent,
     uint8_t *value);
 void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent,
     uint16_t *value);
 void debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent,
     uint32_t *value);
 void debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent,
     uint64_t *value);
 void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent,
     unsigned long *value);
 void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent,
     atomic_t *value);
 
 struct dentry *debugfs_create_blob(const char *name, umode_t mode,
     struct dentry *parent, struct debugfs_blob_wrapper *value);
 
 #endif /* _LINUXKPI_LINUX_DEBUGFS_H_ */