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-rw-r--r--drivers/cpufreq/intel_pstate.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index e87996355da0..096fde0ebcb5 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -773,11 +773,16 @@ static void intel_pstate_exit(void)
}
module_exit(intel_pstate_exit);
+static int __initdata no_load;
+
static int __init intel_pstate_init(void)
{
int rc = 0;
const struct x86_cpu_id *id;
+ if (no_load)
+ return -ENODEV;
+
id = x86_match_cpu(intel_pstate_cpu_ids);
if (!id)
return -ENODEV;
@@ -802,6 +807,17 @@ out:
}
device_initcall(intel_pstate_init);
+static int __init intel_pstate_setup(char *str)
+{
+ if (!str)
+ return -EINVAL;
+
+ if (!strcmp(str, "disable"))
+ no_load = 1;
+ return 0;
+}
+early_param("intel_pstate", intel_pstate_setup);
+
MODULE_AUTHOR("Dirk Brandewie <dirk.j.brandewie@intel.com>");
MODULE_DESCRIPTION("'intel_pstate' - P state driver Intel Core processors");
MODULE_LICENSE("GPL");