Index: src/drivers/net/ethernet/pensando/ionic/ionic_backport_compat.h
===================================================================
--- src.orig/drivers/net/ethernet/pensando/ionic/ionic_backport_compat.h	2020-06-28 15:23:55.318836007 +0200
+++ src/drivers/net/ethernet/pensando/ionic/ionic_backport_compat.h	2020-06-28 15:29:46.854330796 +0200
@@ -1,6 +1,8 @@
 #ifndef IONIC_BACKPORT_COMPAT_H
 #define IONIC_BACKPORT_COMPAT_H
 
+#include <linux/dynamic_debug.h>
+#include <linux/printk.h>
 #include <linux/sfp.h>
 
 /* SFF8024 defined constants */
@@ -58,4 +60,15 @@
 	SFF8024_ECC_2_5GBASE_T          = 0x1e,
 };
 
+
+#ifndef dynamic_hex_dump
+# define dynamic_hex_dump(prefix_str, prefix_type, rowsize,		\
+			 groupsize, buf, len, ascii)			\
+	do { if (0)							\
+		print_hex_dump(KERN_DEBUG, prefix_str, prefix_type,	\
+				rowsize, groupsize, buf, len, ascii);	\
+	} while (0)
+#endif
+
+
 #endif /* IONIC_BACKPORT_COMPAT_H */