| /* 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 |
