--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/ccat/compat.h	Wed Apr 23 13:15:10 2014 +0200
@@ -0,0 +1,48 @@
+/**
+    Network Driver for Beckhoff CCAT communication controller
+    Copyright (C) 2014  Beckhoff Automation GmbH
+    Author: Patrick Bruenn <p.bruenn@beckhoff.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef _CCAT_COMPAT_H_
+#define _CCAT_COMPAT_H_
+#include <linux/dma-mapping.h>
+#include <linux/sched.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 32)
+#define pr_warn pr_info
+
+#define netdev_info(DEV, ...) pr_info(__VA_ARGS__)
+#define netdev_err netdev_info
+
+static inline void *dma_zalloc_coherent(struct device *dev, size_t size,
+					dma_addr_t * dma_handle, gfp_t flag)
+{
+	void *result =
+	    dma_alloc_coherent(dev, size, dma_handle, flag | __GFP_ZERO);
+	if (result)
+		memset(result, 0, size);
+	return result;
+}
+
+static inline void usleep_range(unsigned long min, unsigned long max)
+{
+	msleep(min / 1000);
+}
+#endif
+#endif /* #ifndef _CCAT_COMPAT_H_ */