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[v2,01/17] PM: EM: Refactor em_cpufreq_update_efficiencies() arguments

Message ID 20230512095743.3393563-2-lukasz.luba@arm.com
State Superseded
Headers show
Series Introduce runtime modifiable Energy Model | expand

Commit Message

Lukasz Luba May 12, 2023, 9:57 a.m. UTC 
In order to prepare the code for the modifiable EM perf_state table,
refactor existing function em_cpufreq_update_efficiencies().

Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
---
 kernel/power/energy_model.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
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Patch

diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 7b44f5b89fa1..0d037f3c4e58 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -237,10 +237,10 @@  static int em_create_pd(struct device *dev, int nr_states,
 	return 0;
 }
 
-static void em_cpufreq_update_efficiencies(struct device *dev)
+static void
+em_cpufreq_update_efficiencies(struct device *dev, struct em_perf_state *table)
 {
 	struct em_perf_domain *pd = dev->em_pd;
-	struct em_perf_state *table;
 	struct cpufreq_policy *policy;
 	int found = 0;
 	int i;
@@ -254,8 +254,6 @@  static void em_cpufreq_update_efficiencies(struct device *dev)
 		return;
 	}
 
-	table = pd->table;
-
 	for (i = 0; i < pd->nr_perf_states; i++) {
 		if (!(table[i].flags & EM_PERF_STATE_INEFFICIENT))
 			continue;
@@ -397,7 +395,7 @@  int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
 
 	dev->em_pd->flags |= flags;
 
-	em_cpufreq_update_efficiencies(dev);
+	em_cpufreq_update_efficiencies(dev, dev->em_pd->table);
 
 	em_debug_create_pd(dev);
 	dev_info(dev, "EM: created perf domain\n");