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Commit 89edce0b authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Paul Mackerras
Browse files

[PATCH] powerpc: merge scatterlist.h 



This depends on the 64bit dma_addr_t patch.

Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 8168f902

include/asm-ppc64/scatterlist.h→include/asm-powerpc/scatterlist.h

+18 −4
Original line number Diff line number Diff line 
#ifndef _PPC64_SCATTERLIST_H

#define _PPC64_SCATTERLIST_H



#ifndef _ASM_POWERPC_SCATTERLIST_H

#define _ASM_POWERPC_SCATTERLIST_H

/*

 * Copyright (C) 2001 PPC64 Team, IBM Corp

 *
@@ -10,6 +9,7 @@ 
 * 2 of the License, or (at your option) any later version.

 */



#ifdef __KERNEL__

#include <linux/types.h>

#include <asm/dma.h>
@@ -23,9 +23,23 @@ struct scatterlist { 
	u32 dma_length;

};



/*

 * These macros should be used after a dma_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)

#ifdef __powerpc64__

#define sg_dma_len(sg)		((sg)->dma_length)

#else

#define sg_dma_len(sg)		((sg)->length)

#endif



#ifdef __powerpc64__

#define ISA_DMA_THRESHOLD	(~0UL)

#endif



#endif /* !(_PPC64_SCATTERLIST_H) */
 
#endif /* __KERNEL__ */

#endif /* _ASM_POWERPC_SCATTERLIST_H */

include/asm-ppc/scatterlist.h

deleted100644 → 0
+0 −25
Original line number Diff line number Diff line 
#ifdef __KERNEL__

#ifndef _PPC_SCATTERLIST_H

#define _PPC_SCATTERLIST_H



#include <asm/dma.h>



struct scatterlist {

	struct page	*page;

	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)



#endif /* !(_PPC_SCATTERLIST_H) */

#endif /* __KERNEL__ */