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b49efd7624
And unlike the other helpers we don't require a <asm/dma-direct.h> as this helper is a special case for ia64 only, and this keeps it as simple as possible. Signed-off-by: Christoph Hellwig <hch@lst.de>
24 lines
419 B
C
24 lines
419 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_IA64_DMA_H
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#define _ASM_IA64_DMA_H
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/*
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* Copyright (C) 1998-2002 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*/
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#include <asm/io.h> /* need byte IO */
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extern unsigned long MAX_DMA_ADDRESS;
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#ifdef CONFIG_PCI
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extern int isa_dma_bridge_buggy;
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#else
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# define isa_dma_bridge_buggy (0)
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#endif
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#define free_dma(x)
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#endif /* _ASM_IA64_DMA_H */
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