diff --git a/sys/compat/linuxkpi/common/include/linux/device.h b/sys/compat/linuxkpi/common/include/linux/device.h
--- a/sys/compat/linuxkpi/common/include/linux/device.h
+++ b/sys/compat/linuxkpi/common/include/linux/device.h
@@ -188,6 +188,7 @@
 #define	dev_warn(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 #define	dev_info(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 #define	dev_notice(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
+#define	dev_emerg(dev, fmt, ...)	device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)
 #define	dev_dbg(dev, fmt, ...)	do { } while (0)
 #define	dev_printk(lvl, dev, fmt, ...)					\
 	    device_printf((dev)->bsddev, fmt, ##__VA_ARGS__)