don't report an error if PowerClamp run on other CPU

kakra · Jan 18, 2021 · 98225d8 · 98225d8
1 parent 7cd4912
commit 98225d8
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
@@ -647,6 +647,11 @@ static struct thermal_cooling_device_ops powerclamp_cooling_ops = {
 	.set_cur_state = powerclamp_set_cur_state,
 };
 
+static const struct x86_cpu_id amd_cpu[] = {
+	{ X86_VENDOR_AMD },
+	{},
+};
+
 static const struct x86_cpu_id __initconst intel_powerclamp_ids[] = {
 	X86_MATCH_VENDOR_FEATURE(INTEL, X86_FEATURE_MWAIT, NULL),
 	{}
@@ -656,6 +661,11 @@ MODULE_DEVICE_TABLE(x86cpu, intel_powerclamp_ids);
 static int __init powerclamp_probe(void)
 {
 
+	if (x86_match_cpu(amd_cpu)){
+		pr_info("Intel PowerClamp does not support AMD CPUs\n");
+		return -ENODEV;
+	}
+
 	if (!x86_match_cpu(intel_powerclamp_ids)) {
 		pr_err("CPU does not support MWAIT\n");
 		return -ENODEV;