diff options
Diffstat (limited to 'include/linux/omap-iommu.h')
| -rw-r--r-- | include/linux/omap-iommu.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/omap-iommu.h b/include/linux/omap-iommu.h new file mode 100644 index 000000000..2c32ca09d --- /dev/null +++ b/include/linux/omap-iommu.h @@ -0,0 +1,36 @@ +/* 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 |