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dma-mapping: always provide the dma_map_ops based implementation

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Move the generic implementation to <linux/dma-mapping.h> now that all
architectures support it and remove the HAVE_DMA_ATTR Kconfig symbol now
that everyone supports them.

[[email protected]: remove leftovers in Kconfig]
Signed-off-by: Christoph Hellwig <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Aurelien Jacquiot <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: David Howells <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Haavard Skinnemoen <[email protected]>
Cc: Hans-Christian Egtvedt <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Jesper Nilsson <[email protected]>
Cc: Koichi Yasutake <[email protected]>
Cc: Ley Foon Tan <[email protected]>
Cc: Mark Salter <[email protected]>
Cc: Mikael Starvik <[email protected]>
Cc: Steven Miao <[email protected]>
Cc: Vineet Gupta <[email protected]>
Cc: Christian Borntraeger <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: Sebastian Ott <[email protected]>
Signed-off-by: Valentin Rothberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Hellwig 2016-01-20 15:02:05 -08:00 • committed by Linus Torvalds
commit e1c7e32453
70 changed files with 369 additions and 633 deletions
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1
arch/arm64/Kconfig
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@ -64,7 +64,6 @@ config ARM64
select HAVE_DEBUG_BUGVERBOSE
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_API_DEBUG
select HAVE_DMA_ATTRS
select HAVE_DMA_CONTIGUOUS
select HAVE_DYNAMIC_FTRACE
select HAVE_EFFICIENT_UNALIGNED_ACCESS

2
arch/arm64/include/asm/dma-mapping.h
View file

@ -64,8 +64,6 @@ static inline bool is_device_dma_coherent(struct device *dev)
return dev->archdata.dma_coherent;
}
#include <asm-generic/dma-mapping-common.h>
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
return (dma_addr_t)paddr;