b6d92b4a6b
Some MIPS controllers have hardware I/O coherency. This patch detects those and turns off software coherency. A new kernel command line option also allows the user to manually turn software coherency on or off. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
15 lines
362 B
C
15 lines
362 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
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*
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*/
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#ifndef __ASM_DMA_COHERENCE_H
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#define __ASM_DMA_COHERENCE_H
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extern int coherentio;
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extern int hw_coherentio;
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#endif
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