4.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
commit ec638db8cb9ddd5ca08b23f2835b6c9c15eb616d upstream.
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.
Fixes:3105f234 thermal/powerclamp: correct cpu support check
Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/thermal/intel_powerclamp.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -669,9 +669,16 @@ static struct thermal_cooling_device_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;
}
--
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