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authorJaroslav Kysela <perex@perex.cz>2010-01-08 09:11:18 +0100
committerJaroslav Kysela <perex@perex.cz>2010-01-08 09:11:18 +0100
commita4ad68d57e4dc4138304df23d1817eb094149389 (patch)
treeca7d8c4ce5377c4251560de06e15dd7be7063351 /arch/mips/loongson/common/platform.c
parentcd9d95a55550555da8e587ead9cbba5f98a371a3 (diff)
parentc97259df3f2e163c72f4d0685c61fb2e026dc989 (diff)
Merge branch 'topic/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel
Diffstat (limited to 'arch/mips/loongson/common/platform.c')
-rw-r--r--arch/mips/loongson/common/platform.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/mips/loongson/common/platform.c b/arch/mips/loongson/common/platform.c
new file mode 100644
index 000000000000..be81777eb94d
--- /dev/null
+++ b/arch/mips/loongson/common/platform.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin, wuzj@lemote.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+static struct platform_device loongson2_cpufreq_device = {
+ .name = "loongson2_cpufreq",
+ .id = -1,
+};
+
+static int __init loongson2_cpufreq_init(void)
+{
+ struct cpuinfo_mips *c = &current_cpu_data;
+
+ /* Only 2F revision and it's successors support CPUFreq */
+ if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON2F)
+ return platform_device_register(&loongson2_cpufreq_device);
+
+ return -ENODEV;
+}
+
+arch_initcall(loongson2_cpufreq_init);