From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/linux/omap-iommu.h | 20 ++++++++++++++++----
1 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/kernel/include/linux/omap-iommu.h b/kernel/include/linux/omap-iommu.h
index ce1b7c6..2c32ca0 100644
--- a/kernel/include/linux/omap-iommu.h
+++ b/kernel/include/linux/omap-iommu.h
@@ -1,24 +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>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#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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