From 8c93650890a33318263880dec36603a6d5749b7e Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 28 Dec 2004 09:09:19 +0000 Subject: [PATCH] Dummy ISA DMA functions for systems that don't have ISA but share drivers with ISA such as legacy free PCI. Signed-off-by: Ralf Baechle --- arch/mips/kernel/dma-no-isa.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/mips/kernel/dma-no-isa.c diff --git a/arch/mips/kernel/dma-no-isa.c b/arch/mips/kernel/dma-no-isa.c new file mode 100644 index 0000000..6df8b07 --- /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 +#include +#include + +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); -- 2.7.4