diff options
| -rw-r--r-- | arch/mips/kernel/dma-no-isa.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/mips/kernel/dma-no-isa.c b/arch/mips/kernel/dma-no-isa.c new file mode 100644 index 00000000000..6df8b07741e --- /dev/null +++ b/arch/mips/kernel/dma-no-isa.c @@ -0,0 +1,28 @@ +/* + * 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); |