From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alexander Koskovich <zvnexus@outlook.com>
Date: Wed, 12 Feb 2020 22:47:12 +0000
Subject: [PATCH] don't report an error if PowerClamp run on other CPU

---
 drivers/thermal/intel/intel_powerclamp.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
index 14256421d98c..8df2e604ceef 100644
--- a/drivers/thermal/intel/intel_powerclamp.c
+++ b/drivers/thermal/intel/intel_powerclamp.c
@@ -647,6 +647,11 @@ static const 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;
-- 
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