omap-iommu.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * omap iommu: simple virtual address space management
 4 *
 5 * Copyright (C) 2008-2009 Nokia Corporation
 6 *
 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_IOMMU
16extern 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#else
22static 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#endif
35
36#endif