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https://gitee.com/bianbu-linux/linux-6.6
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597b89d30b
The context bus is a "dummy" bus that contains struct devices that correspond to IOMMU contexts assigned through Host1x to processes. Even when host1x itself is built as a module, the bus is registered in built-in code so that the built-in ARM SMMU driver is able to reference it. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
15 lines
331 B
C
15 lines
331 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2021, NVIDIA Corporation. All rights reserved.
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*/
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#ifndef __LINUX_HOST1X_CONTEXT_BUS_H
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#define __LINUX_HOST1X_CONTEXT_BUS_H
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#include <linux/device.h>
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#ifdef CONFIG_TEGRA_HOST1X_CONTEXT_BUS
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extern struct bus_type host1x_context_device_bus_type;
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#endif
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#endif
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