Merge tag 'pm-6.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix the incorrect value returned by cpufreq driver's ->get() callback
  for Qualcomm platforms (Douglas Anderson)"

* tag 'pm-6.2-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: qcom-hw: Fix cpufreq_driver->get() for non-LMH systems

1 files changed, 13 insertions, 11 deletions

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 9505a812d6a1..957cf6bb8c05 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -143,40 +143,42 @@ static unsigned long qcom_lmh_get_throttle_freq(struct qcom_cpufreq_data *data)
 	return lval * xo_rate;
 }
 
-/* Get the current frequency of the CPU (after throttling) */
-static unsigned int qcom_cpufreq_hw_get(unsigned int cpu)
+/* Get the frequency requested by the cpufreq core for the CPU */
+static unsigned int qcom_cpufreq_get_freq(unsigned int cpu)
 {
 	struct qcom_cpufreq_data *data;
+	const struct qcom_cpufreq_soc_data *soc_data;
 	struct cpufreq_policy *policy;
+	unsigned int index;
 
 	policy = cpufreq_cpu_get_raw(cpu);
 	if (!policy)
 		return 0;
 
 	data = policy->driver_data;
+	soc_data = qcom_cpufreq.soc_data;
 
-	return qcom_lmh_get_throttle_freq(data) / HZ_PER_KHZ;
+	index = readl_relaxed(data->base + soc_data->reg_perf_state);
+	index = min(index, LUT_MAX_ENTRIES - 1);
+
+	return policy->freq_table[index].frequency;
 }
 
-/* Get the frequency requested by the cpufreq core for the CPU */
-static unsigned int qcom_cpufreq_get_freq(unsigned int cpu)
+static unsigned int qcom_cpufreq_hw_get(unsigned int cpu)
 {
 	struct qcom_cpufreq_data *data;
-	const struct qcom_cpufreq_soc_data *soc_data;
 	struct cpufreq_policy *policy;
-	unsigned int index;
 
 	policy = cpufreq_cpu_get_raw(cpu);
 	if (!policy)
 		return 0;
 
 	data = policy->driver_data;
-	soc_data = qcom_cpufreq.soc_data;
 
-	index = readl_relaxed(data->base + soc_data->reg_perf_state);
-	index = min(index, LUT_MAX_ENTRIES - 1);
+	if (data->throttle_irq >= 0)
+		return qcom_lmh_get_throttle_freq(data) / HZ_PER_KHZ;
 
-	return policy->freq_table[index].frequency;
+	return qcom_cpufreq_get_freq(cpu);
 }
 
 static unsigned int qcom_cpufreq_hw_fast_switch(struct cpufreq_policy *policy,