linux_dsm_epyc7002/arch/arm/include/asm/device.h
Hiroshi Doyu fab112a394 ARM: dma-mapping: Add macro to_dma_iommu_mapping()
This can be built without CONFIG_ARM_DMA_USE_IOMMU.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2013-02-25 15:30:41 +01:00

37 lines
675 B
C

/*
* Arch specific extensions to struct device
*
* This file is released under the GPLv2
*/
#ifndef ASMARM_DEVICE_H
#define ASMARM_DEVICE_H
struct dev_archdata {
struct dma_map_ops *dma_ops;
#ifdef CONFIG_DMABOUNCE
struct dmabounce_device_info *dmabounce;
#endif
#ifdef CONFIG_IOMMU_API
void *iommu; /* private IOMMU data */
#endif
#ifdef CONFIG_ARM_DMA_USE_IOMMU
struct dma_iommu_mapping *mapping;
#endif
};
struct omap_device;
struct pdev_archdata {
#ifdef CONFIG_ARCH_OMAP
struct omap_device *od;
#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