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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * omap iommu: simple virtual address space management4 *5 * Copyright (C) 2008-2009 Nokia Corporation6 *7 * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>8 */9 10#ifndef _OMAP_IOMMU_H_11#define _OMAP_IOMMU_H_12 13struct iommu_domain;14 15#ifdef CONFIG_OMAP_IOMMU16extern void omap_iommu_save_ctx(struct device *dev);17extern void omap_iommu_restore_ctx(struct device *dev);18 19int omap_iommu_domain_deactivate(struct iommu_domain *domain);20int omap_iommu_domain_activate(struct iommu_domain *domain);21#else22static inline void omap_iommu_save_ctx(struct device *dev) {}23static inline void omap_iommu_restore_ctx(struct device *dev) {}24 25static inline int omap_iommu_domain_deactivate(struct iommu_domain *domain)26{27 return -ENODEV;28}29 30static inline int omap_iommu_domain_activate(struct iommu_domain *domain)31{32 return -ENODEV;33}34#endif35 36#endif37