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File: [Development] / linux-2.6-xfs / include / asm-generic / dma-mapping-broken.h (download)

Revision 1.4, Tue Mar 20 15:37:21 2007 UTC (10 years, 7 months ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.3: +3 -1 lines 

Merge up to 2.6.21-rc4
Merge of 2.6.x-xfs-melb:linux:28276b by kenmcd.

#ifndef _ASM_GENERIC_DMA_MAPPING_H
#define _ASM_GENERIC_DMA_MAPPING_H

/* This is used for archs that do not support DMA */

static inline void *
dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
		   gfp_t flag)
{
	BUG();
	return NULL;
}

static inline void
dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
		    dma_addr_t dma_handle)
{
	BUG();
}

#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)

#endif /* _ASM_GENERIC_DMA_MAPPING_H */