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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/linux/omap-iommu.h
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@@ -1,24 +1,36 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * omap iommu: simple virtual address space management
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  *
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  * Copyright (C) 2008-2009 Nokia Corporation
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  *
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  * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #ifndef _OMAP_IOMMU_H_
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 #define _OMAP_IOMMU_H_
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+struct iommu_domain;
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+
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 #ifdef CONFIG_OMAP_IOMMU
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 extern void omap_iommu_save_ctx(struct device *dev);
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 extern void omap_iommu_restore_ctx(struct device *dev);
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+
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+int omap_iommu_domain_deactivate(struct iommu_domain *domain);
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+int omap_iommu_domain_activate(struct iommu_domain *domain);
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 #else
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 static inline void omap_iommu_save_ctx(struct device *dev) {}
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 static inline void omap_iommu_restore_ctx(struct device *dev) {}
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+
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+static inline int omap_iommu_domain_deactivate(struct iommu_domain *domain)
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+{
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+	return -ENODEV;
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+}
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+
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+static inline int omap_iommu_domain_activate(struct iommu_domain *domain)
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+{
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+	return -ENODEV;
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+}
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 #endif
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 #endif