drm/linux/compat-pre24.h

51 lines
1.9 KiB
C

/* compat-pre24.h -- Linux pre-2.4.0 compatibility
* Created: Mon Aug 28 15:31:43 2000 by faith@acm.org
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
*
*/
#ifndef _COMPAT_PRE24_H_
#define _COMPAT_PRE24_H_
/* virt_to_page added in 2.4.0-test6 */
#if LINUX_VERSION_CODE < 0x020400
#define virt_to_page(kaddr) (mem_map + MAP_NR(kaddr))
#endif
#define block_all_signals(a,b,c)
#define unblock_all_signals()
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
#define __exit
#endif
/* This is a hack that only works for
this code base -- because we always
call this with dev->tq.* */
#define INIT_LIST_HEAD(pointer) dev->tq.next = NULL
#endif