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diff --git a/kernel/drivers/isdn/hisax/hisax_debug.h b/kernel/drivers/isdn/hisax/hisax_debug.h
new file mode 100644
index 000000000..7b3093d08
--- /dev/null
+++ b/kernel/drivers/isdn/hisax/hisax_debug.h
@@ -0,0 +1,80 @@
+/*
+ * Common debugging macros for use with the hisax driver
+ *
+ * Author       Frode Isaksen
+ * Copyright    2001 by Frode Isaksen      <fisaksen@bewan.com>
+ *              2001 by Kai Germaschewski  <kai.germaschewski@gmx.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ * How to use:
+ *
+ * Before including this file, you need to
+ *   #define __debug_variable my_debug
+ * where my_debug is a variable in your code which
+ * determines the debug bitmask.
+ *
+ * If CONFIG_HISAX_DEBUG is not set, all macros evaluate to nothing
+ *
+ */
+
+#ifndef __HISAX_DEBUG_H__
+#define __HISAX_DEBUG_H__
+
+
+#ifdef CONFIG_HISAX_DEBUG
+
+#define DBG(level, format, arg...) do {					\
+		if (level & __debug_variable)				\
+			printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
+	} while (0)
+
+#define DBG_PACKET(level, data, count)					\
+	if (level & __debug_variable) dump_packet(__func__, data, count)
+
+#define DBG_SKB(level, skb)						\
+	if ((level & __debug_variable) && skb) dump_packet(__func__, skb->data, skb->len)
+
+
+static void __attribute__((unused))
+dump_packet(const char *name, const u_char *data, int pkt_len)
+{
+#define DUMP_HDR_SIZE 20
+#define DUMP_TLR_SIZE 8
+	if (pkt_len) {
+		int i, len1, len2;
+
+		printk(KERN_DEBUG "%s: length=%d,data=", name, pkt_len);
+
+		if (pkt_len > DUMP_HDR_SIZE + DUMP_TLR_SIZE) {
+			len1 = DUMP_HDR_SIZE;
+			len2 = DUMP_TLR_SIZE;
+		} else {
+			len1 = pkt_len > DUMP_HDR_SIZE ? DUMP_HDR_SIZE : pkt_len;
+			len2 = 0;
+		}
+		for (i = 0; i < len1; ++i) {
+			printk("%.2x", data[i]);
+		}
+		if (len2) {
+			printk("..");
+			for (i = pkt_len-DUMP_TLR_SIZE; i < pkt_len; ++i) {
+				printk("%.2x", data[i]);
+			}
+		}
+		printk("\n");
+	}
+#undef DUMP_HDR_SIZE
+#undef DUMP_TLR_SIZE
+}
+
+#else
+
+#define DBG(level, format, arg...) do {} while (0)
+#define DBG_PACKET(level, data, count) do {} while (0)
+#define DBG_SKB(level, skb) do {} while (0)
+
+#endif
+
+#endif