diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 10:45:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 10:45:25 -0800 |
| commit | 42a0a1b0fd343888c59afc8b243a77bcec2cc11c (patch) | |
| tree | b136c088a244be8e0970767035c93d15127e8c83 /arch/arm/include/asm | |
| parent | 52caa59ed335616c5254adff7911465a57ed9f14 (diff) | |
| parent | d589829107c5528164a9b7dfe50d0001780865ed (diff) | |
Merge branch 'for-v3.9' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping updates from Marek Szyprowski:
"This time all patches are related only to ARM DMA-mapping subsystem.
The main extension provided by this pull request is highmem support.
Besides that it contains a bunch of small bugfixes and cleanups."
* 'for-v3.9' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: DMA-mapping: fix memory leak in IOMMU dma-mapping implementation
ARM: dma-mapping: Add maximum alignment order for dma iommu buffers
ARM: dma-mapping: use himem for DMA buffers for IOMMU-mapped devices
ARM: dma-mapping: add support for CMA regions placed in highmem zone
arm: dma mapping: export arm iommu functions
ARM: dma-mapping: Add arm_iommu_detach_device()
ARM: dma-mapping: Add macro to_dma_iommu_mapping()
ARM: dma-mapping: Set arm_dma_set_mask() for iommu->set_dma_mask()
ARM: iommu: Include linux/kref.h in asm/dma-iommu.h
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/device.h | 6 | ||||
| -rw-r--r-- | arch/arm/include/asm/dma-iommu.h | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index b69c0d3285f..dc662fca923 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -27,4 +27,10 @@ struct pdev_archdata { #endif }; +#ifdef CONFIG_ARM_DMA_USE_IOMMU +#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping) +#else +#define to_dma_iommu_mapping(dev) NULL +#endif + #endif diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h index 799b09409fa..a8c56acc8c9 100644 --- a/arch/arm/include/asm/dma-iommu.h +++ b/arch/arm/include/asm/dma-iommu.h @@ -7,6 +7,7 @@ #include <linux/scatterlist.h> #include <linux/dma-debug.h> #include <linux/kmemcheck.h> +#include <linux/kref.h> struct dma_iommu_mapping { /* iommu specific data */ @@ -29,6 +30,7 @@ void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping); int arm_iommu_attach_device(struct device *dev, struct dma_iommu_mapping *mapping); +void arm_iommu_detach_device(struct device *dev); #endif /* __KERNEL__ */ #endif |