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sh: Add support for DMA API debugging.

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This wires up support for the generic DMA API debugging.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2009-04-09 10:36:54 -07:00
parent b35346fd25
commit f802d969b6
4 changed files with 51 additions and 16 deletions
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11
arch/sh/include/asm/scatterlist.h
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@@ -5,12 +5,13 @@
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;/* for highmem, page offset */
dma_addr_t dma_address;
unsigned int length;
unsigned long page_link;
unsigned int offset; /* for highmem, page offset */
unsigned int length;
dma_addr_t dma_address;
unsigned int dma_length;
};
#define ISA_DMA_THRESHOLD PHYS_ADDR_MASK