add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/iommu/omap-iommu.h
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@@ -1,13 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * omap iommu: main structures
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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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@@ -76,16 +73,22 @@
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 	void *ctx; /* iommu context: registres saved area */
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+	struct cr_regs *cr_ctx;
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+	u32 num_cr_ctx;
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+
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 	int has_bus_err_back;
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 	u32 id;
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 	struct iommu_device iommu;
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 	struct iommu_group *group;
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+
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+	u8 pwrst;
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 };
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 /**
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  * struct omap_iommu_arch_data - omap iommu private data
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- * @iommu_dev: handle of the iommu device
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+ * @iommu_dev: handle of the OMAP iommu device
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+ * @dev: handle of the iommu device
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  *
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  * This is an omap iommu private data object, which binds an iommu user
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  * to its iommu device. This object should be placed at the iommu user's
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@@ -94,6 +97,7 @@
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  */
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 struct omap_iommu_arch_data {
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 	struct omap_iommu *iommu_dev;
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+	struct device *dev;
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 };
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 struct cr_regs {