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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
soc/tegra: Implement runtime check for Tegra SoCs
Subsequent patches will move some of the initialization code from SoC
setup code to regular initcalls. To prevent breakage on other SoCs in
multi-platform builds, these initcalls need to check that they indeed
run on Tegra.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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drivers/soc/tegra/Makefile
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drivers/soc/tegra/Makefile
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drivers/soc/tegra/common.c
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drivers/soc/tegra/common.c
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/*
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* Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved.
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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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#include <linux/of.h>
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#include <soc/tegra/common.h>
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static const struct of_device_id tegra_machine_match[] = {
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{ .compatible = "nvidia,tegra20", },
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{ .compatible = "nvidia,tegra30", },
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{ .compatible = "nvidia,tegra114", },
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{ .compatible = "nvidia,tegra124", },
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{ }
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};
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bool soc_is_tegra(void)
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{
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struct device_node *root;
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root = of_find_node_by_path("/");
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if (!root)
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return false;
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return of_match_node(tegra_machine_match, root) != NULL;
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}
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include/soc/tegra/common.h
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include/soc/tegra/common.h
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/*
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* Copyright (C) 2014 NVIDIA Corporation
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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 __SOC_TEGRA_COMMON_H__
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#define __SOC_TEGRA_COMMON_H__
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bool soc_is_tegra(void);
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#endif /* __SOC_TEGRA_COMMON_H__ */