| /* 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 |