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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/hexagon/Kconfig
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@ -27,7 +27,6 @@ config HEXAGON
select GENERIC_CLOCKEVENTS_BROADCAST
select MODULES_USE_ELF_RELA
select GENERIC_CPU_DEVICES
select HAVE_DMA_ATTRS
---help---
Qualcomm Hexagon is a processor architecture designed for high
performance and low power across a wide variety of applications.

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

@ -49,8 +49,6 @@ extern int dma_is_consistent(struct device *dev, dma_addr_t dma_handle);
extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction);
#include <asm-generic/dma-mapping-common.h>
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
{
if (!dev->dma_mask)