arch/arm/include/asm/device.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Arch specific extensions to struct device
   4  */
   5 #ifndef ASMARM_DEVICE_H
   6 #define ASMARM_DEVICE_H
   7
   8 struct dev_archdata {
   9 #ifdef CONFIG_DMABOUNCE
  10         struct dmabounce_device_info *dmabounce;
  11 #endif
  12 #ifdef CONFIG_IOMMU_API
  13         void *iommu; /* private IOMMU data */
  14 #endif
  15 #ifdef CONFIG_ARM_DMA_USE_IOMMU
  16         struct dma_iommu_mapping        *mapping;
  17 #endif
  18         unsigned int dma_coherent:1;
  19         unsigned int dma_ops_setup:1;
  20 };
  21
  22 struct omap_device;
  23
  24 struct pdev_archdata {
  25 #ifdef CONFIG_ARCH_OMAP
  26         struct omap_device *od;
  27 #endif
  28 };
  29
  30 #ifdef CONFIG_ARM_DMA_USE_IOMMU
  31 #define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
  32 #else
  33 #define to_dma_iommu_mapping(dev) NULL
  34 #endif
  35
  36 #endif