1 /**

     2     Network Driver for Beckhoff CCAT communication controller

     3     Copyright (C) 2014  Beckhoff Automation GmbH

     4     Author: Patrick Bruenn <p.bruenn@beckhoff.com>

     5 

     6     This program is free software; you can redistribute it and/or modify

     7     it under the terms of the GNU General Public License as published by

     8     the Free Software Foundation; either version 2 of the License, or

     9     (at your option) any later version.

    10 

    11     This program is distributed in the hope that it will be useful,

    12     but WITHOUT ANY WARRANTY; without even the implied warranty of

    13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14     GNU General Public License for more details.

    15 

    16     You should have received a copy of the GNU General Public License along

    17     with this program; if not, write to the Free Software Foundation, Inc.,

    18     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

    19 */

    20 

    21 #ifndef _CCAT_COMPAT_H_

    22 #define _CCAT_COMPAT_H_

    23 #include <linux/dma-mapping.h>

    24 #include <linux/sched.h>

    25 #include <linux/version.h>

    26 

    27 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 32)

    28 #define pr_warn pr_info

    29 

    30 #define netdev_info(DEV, ...) pr_info(__VA_ARGS__)

    31 #define netdev_err netdev_info

    32 

    33 static inline void *dma_zalloc_coherent(struct device *dev, size_t size,

    34 					dma_addr_t * dma_handle, gfp_t flag)

    35 {

    36 	void *result =

    37 	    dma_alloc_coherent(dev, size, dma_handle, flag | __GFP_ZERO);

    38 	if (result)

    39 		memset(result, 0, size);

    40 	return result;

    41 }

    42 

    43 static inline void usleep_range(unsigned long min, unsigned long max)

    44 {

    45 	msleep(min / 1000);

    46 }

    47 #endif

    48 #endif /* #ifndef _CCAT_COMPAT_H_ */