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27 lines
658 B
27 lines
658 B
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright (C) 2009 Lemote Inc. |
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* Author: Wu Zhangjin, [email protected] |
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*/ |
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#include <linux/err.h> |
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#include <linux/smp.h> |
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#include <linux/platform_device.h> |
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static struct platform_device loongson2_cpufreq_device = { |
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.name = "loongson2_cpufreq", |
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.id = -1, |
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}; |
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static int __init loongson2_cpufreq_init(void) |
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{ |
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struct cpuinfo_mips *c = ¤t_cpu_data; |
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/* Only 2F revision and it's successors support CPUFreq */ |
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if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON2F) |
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return platform_device_register(&loongson2_cpufreq_device); |
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return -ENODEV; |
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} |
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arch_initcall(loongson2_cpufreq_init);
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