관리-도구

편집 파일: omap-iommu.h

/* SPDX-License-Identifier: GPL-2.0-only */ /* * omap iommu: simple virtual address space management * * Copyright (C) 2008-2009 Nokia Corporation * * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> */ #ifndef _OMAP_IOMMU_H_ #define _OMAP_IOMMU_H_ struct iommu_domain; #ifdef CONFIG_OMAP_IOMMU extern void omap_iommu_save_ctx(struct device *dev); extern void omap_iommu_restore_ctx(struct device *dev); int omap_iommu_domain_deactivate(struct iommu_domain *domain); int omap_iommu_domain_activate(struct iommu_domain *domain); #else static inline void omap_iommu_save_ctx(struct device *dev) {} static inline void omap_iommu_restore_ctx(struct device *dev) {} static inline int omap_iommu_domain_deactivate(struct iommu_domain *domain) { return -ENODEV; } static inline int omap_iommu_domain_activate(struct iommu_domain *domain) { return -ENODEV; } #endif #endif