device.h

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#ifndef _ASM_X86_DEVICE_H
#define _ASM_X86_DEVICE_H

struct dev_archdata {
#ifdef CONFIG_ACPI
    void    *acpi_handle;
#endif
#ifdef CONFIG_X86_DEV_DMA_OPS
    struct dma_map_ops *dma_ops;
#endif
#if defined(CONFIG_INTEL_IOMMU) || defined(CONFIG_AMD_IOMMU)
    void *iommu; /* hook for IOMMU specific extension */
#endif
};

struct pdev_archdata {
};

#endif /* _ASM_X86_DEVICE_H */