| Ralf Baechle | 8c93650 | 2004-12-28 09:09:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2004 by Ralf Baechle |
| 7 | * |
| 8 | * Dummy ISA DMA functions for systems that don't have ISA but share drivers |
| 9 | * with ISA such as legacy free PCI. |
| 10 | */ |
| 11 | #include <linux/errno.h> |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/spinlock.h> |
| 14 | |
| 15 | DEFINE_SPINLOCK(dma_spin_lock); |
| 16 | |
| 17 | int request_dma(unsigned int dmanr, const char * device_id) |
| 18 | { |
| 19 | return -EINVAL; |
| 20 | } |
| 21 | |
| 22 | void free_dma(unsigned int dmanr) |
| 23 | { |
| 24 | } |
| 25 | |
| 26 | EXPORT_SYMBOL(dma_spin_lock); |
| 27 | EXPORT_SYMBOL(request_dma); |
| 28 | EXPORT_SYMBOL(free_dma); |