diff mbox

[3/3] thermal/powerclamp: add back module device table

Message ID 20170413082455.6973-4-kai.heng.feng@canonical.com
State New
Headers show

Commit Message

Kai-Heng Feng April 13, 2017, 8:24 a.m. UTC 
From: Jacob Pan <jacob.jun.pan@linux.intel.com>

BugLink: https://bugs.launchpad.net/bugs/1591641

Commit 3105f234e0aba43e44e277c20f9b32ee8add43d4 replaced module
cpu id table with a cpu feature check, which is logically correct.
But we need the module device table to allow module auto loading.

Cc: stable@vger.kernel.org # 4.8
Fixes:3105f234 thermal/powerclamp: correct cpu support check
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
(cherry picked from commit ec638db8cb9ddd5ca08b23f2835b6c9c15eb616d)
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
 drivers/thermal/intel_powerclamp.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index 4b61c89b42d3..5306add74838 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -666,9 +666,16 @@  static struct thermal_cooling_device_ops powerclamp_cooling_ops = {
 	.set_cur_state = powerclamp_set_cur_state,
 };
 
+static const struct x86_cpu_id __initconst intel_powerclamp_ids[] = {
+	{ X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_MWAIT },
+	{}
+};
+MODULE_DEVICE_TABLE(x86cpu, intel_powerclamp_ids);
+
 static int __init powerclamp_probe(void)
 {
-	if (!boot_cpu_has(X86_FEATURE_MWAIT)) {
+
+	if (!x86_match_cpu(intel_powerclamp_ids)) {
 		pr_err("CPU does not support MWAIT");
 		return -ENODEV;
 	}