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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * omap iommu: simple virtual address space management
- *
- * Copyright (C) 2008-2009 Nokia Corporation
- *
- * Written by Hiroshi DOYU <[email protected]>
- */
- #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
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