The Energy Model is able to use new power values coming from DT. Add a new
macro which is helpful in setting the .active_power() callback
conditionally in setup time. The dual-macro implementation handles both
kernel configurations: w/ EM and w/o EM built-in.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx>
---
include/linux/energy_model.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
index 6377adc3b78d..9f3c400bc52d 100644
--- a/include/linux/energy_model.h
+++ b/include/linux/energy_model.h
@@ -116,6 +116,7 @@ struct em_data_callback {
struct device *dev);
};
#define EM_DATA_CB(_active_power_cb) { .active_power = &_active_power_cb }
+#define EM_SET_ACTIVE_POWER_CB(em_cb, cb) ((em_cb).active_power = cb)
struct em_perf_domain *em_cpu_get(int cpu);
struct em_perf_domain *em_pd_get(struct device *dev);
@@ -264,6 +265,7 @@ static inline int em_pd_nr_perf_states(struct em_perf_domain *pd)
#else
struct em_data_callback {};
#define EM_DATA_CB(_active_power_cb) { }
+#define EM_SET_ACTIVE_POWER_CB(em_cb, cb) do { } while (0)
static inline
int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
--
2.17.1
