提交 48c7cf47 编写于 作者: F FUJITA Tomonori 提交者: Linus Torvalds

alpha: use asm-generic/scatterlist.h

Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: NMatt Turner <mattst88@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 e32205eb
......@@ -61,6 +61,9 @@ config ZONE_DMA
config NEED_DMA_MAP_STATE
def_bool y
config NEED_SG_DMA_LENGTH
def_bool y
config GENERIC_ISA_DMA
bool
default y
......
#ifndef _ALPHA_SCATTERLIST_H
#define _ALPHA_SCATTERLIST_H
#include <asm/page.h>
#include <asm/types.h>
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;
unsigned int length;
dma_addr_t dma_address;
__u32 dma_length;
};
#define ISA_DMA_THRESHOLD (~0UL)
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->dma_length)
#include <asm-generic/scatterlist.h>
#define ISA_DMA_THRESHOLD (~0UL)
#undef ARCH_HAS_SG_CHAIN
#endif /* !(_ALPHA_SCATTERLIST_H) */
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