/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2004 by Ralf Baechle * * Dummy ISA DMA functions for systems that don't have ISA but share drivers * with ISA such as legacy free PCI. */ #include <linux/errno.h> #include <linux/module.h> #include <linux/spinlock.h> DEFINE_SPINLOCK(dma_spin_lock); int request_dma(unsigned int dmanr, const char * device_id) { return -EINVAL; } void free_dma(unsigned int dmanr) { } EXPORT_SYMBOL(dma_spin_lock); EXPORT_SYMBOL(request_dma); EXPORT_SYMBOL(free_dma);