https://github.com/torvalds/linux
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Tip revision: 7111951b8d4973bda27ff663f2cf18b663d15b48 authored by Linus Torvalds on 29 March 2020, 22:25:41 UTC
Linux 5.6
Tip revision: 7111951
omap-iommu.h
/* 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
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