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_ARM_DMA_USE_IOMMU
  13         struct dma_iommu_mapping        *mapping;
  14 #endif
  15         unsigned int dma_coherent:1;
  16         unsigned int dma_ops_setup:1;
  17 };
  18
  19 struct omap_device;
  20
  21 struct pdev_archdata {
  22 #ifdef CONFIG_ARCH_OMAP
  23         struct omap_device *od;
  24 #endif
  25 };
  26
  27 #ifdef CONFIG_ARM_DMA_USE_IOMMU
  28 #define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)
  29 #else
  30 #define to_dma_iommu_mapping(dev) NULL
  31 #endif
  32
  33 #endif