Several cpufreq drivers register themselves as thermal cooling devices.
Adding a pointer to struct cpufreq_policy removes the need for them to
store this pointer in a private data structure.
We can then auto-register the cpufreq driver as a thermal cooling device
from cpufreq core code.
Signed-off-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>
---
include/linux/cpufreq.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index c86d6d8bdfed..7d0cf54125fa 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -95,6 +95,11 @@ struct cpufreq_policy {
struct cpufreq_frequency_table *freq_table;
enum cpufreq_table_sorting freq_table_sorted;
+#ifdef CONFIG_CPU_THERMAL
+ /* Pointer to the cooling device if used for thermal mitigation */
+ struct thermal_cooling_device *cooldev;
+#endif
+
struct list_head policy_list;
struct kobject kobj;
struct completion kobj_unregister;
--
2.17.1
