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kernel/linux-rt-4.4.41/arch/arm/include/asm/device.h 695 Bytes
5113f6f70   김현기   kernel add
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  /*
   * 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
  	bool dma_coherent;
  };
  
  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