arch/arm/include/asm/device.h

   1 /*
   2  * Arch specific extensions to struct device
   3  *
   4  * This file is released under the GPLv2
   5  */
   6 #ifndef ASMARM_DEVICE_H
   7 #define ASMARM_DEVICE_H
   8
   9 struct dev_archdata {
  10         struct dma_map_ops      *dma_ops;
  11 #ifdef CONFIG_DMABOUNCE
  12         struct dmabounce_device_info *dmabounce;
  13 #endif
  14 #ifdef CONFIG_IOMMU_API
  15         void *iommu; /* private IOMMU data */
  16 #endif
  17 #ifdef CONFIG_ARM_DMA_USE_IOMMU
  18         struct dma_iommu_mapping        *mapping;
  19 #endif
  20         bool dma_coherent;
  21 };
  22
  23 struct omap_device;
  24
  25 struct pdev_archdata {
  26 #ifdef CONFIG_ARCH_OMAP
  27         struct omap_device *od;
  28 #endif
  29 };
  30
  31 #ifdef CONFIG_ARM_DMA_USE_IOMMU
  32 #define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
  33 #else
  34 #define to_dma_iommu_mapping(dev) NULL
  35 #endif
  36
  37 #endif