xtensa: use use asm-generic/scatterlist.h
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
d904c5bf8f
commit
6ba6867111
1 changed files with 1 additions and 22 deletions
|
@ -11,28 +11,7 @@
|
|||
#ifndef _XTENSA_SCATTERLIST_H
|
||||
#define _XTENSA_SCATTERLIST_H
|
||||
|
||||
#include <asm/types.h>
|
||||
|
||||
struct scatterlist {
|
||||
#ifdef CONFIG_DEBUG_SG
|
||||
unsigned long sg_magic;
|
||||
#endif
|
||||
unsigned long page_link;
|
||||
unsigned int offset;
|
||||
dma_addr_t dma_address;
|
||||
unsigned int length;
|
||||
};
|
||||
|
||||
/*
|
||||
* These macros should be used after a pci_map_sg call has been done
|
||||
* to get bus addresses of each of the SG entries and their lengths.
|
||||
* You should only work with the number of sg entries pci_map_sg
|
||||
* returns, or alternatively stop on the first sg_dma_len(sg) which
|
||||
* is 0.
|
||||
*/
|
||||
#define sg_dma_address(sg) ((sg)->dma_address)
|
||||
#define sg_dma_len(sg) ((sg)->length)
|
||||
|
||||
#include <asm-generic/scatterlist.h>
|
||||
|
||||
#define ISA_DMA_THRESHOLD (~0UL)
|
||||
|
||||
|
|
Loading…
Reference in a new issue