Index: sys/compat/linuxkpi/common/include/linux/device.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/device.h
+++ sys/compat/linuxkpi/common/include/linux/device.h
@@ -48,13 +48,13 @@
 #include <linux/pm.h>
 #include <linux/idr.h>
 #include <linux/ratelimit.h>	/* via linux/dev_printk.h */
+#include <linux/fwnode.h>
 #include <asm/atomic.h>
 
 #include <sys/bus.h>
 #include <sys/backlight.h>
 
 struct device;
-struct fwnode_handle;
 
 struct class {
 	const char	*name;
Index: sys/compat/linuxkpi/common/include/linux/fwnode.h
===================================================================
--- /dev/null
+++ sys/compat/linuxkpi/common/include/linux/fwnode.h
@@ -0,0 +1,10 @@
+/* Public domain. */
+
+#ifndef	_LINUXKPI_LINUX_FWNODE_H_
+#define	_LINUXKPI_LINUX_FWNODE_H_
+
+struct fwnode_handle {
+	struct fwnode_handle *secondary;
+};
+
+#endif /* _LINUXKPI_LINUX_FWNODE_H_ */