linux/arch/ia64/include/asm/device.h

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/*
* Arch specific extensions to struct device
*
* This file is released under the GPLv2
*/
#ifndef _ASM_IA64_DEVICE_H
#define _ASM_IA64_DEVICE_H
struct dev_archdata {
#ifdef CONFIG_ACPI
void *acpi_handle;
#endif
#ifdef CONFIG_DMAR
void *iommu; /* hook for IOMMU specific extension */
#endif
};
#endif /* _ASM_IA64_DEVICE_H */