[MIPS] Remove duplicate ISA DMA code for 0 DMA channel case.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 28 deletions

diff --git a/arch/mips/kernel/dma-no-isa.c b/arch/mips/kernel/dma-no-isa.c
deleted file mode 100644
index 6df8b07741e3..000000000000
--- a/arch/mips/kernel/dma-no-isa.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * 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);