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Power management fix for 6.2-rc8

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Fix the incorrect value returned by cpufreq driver's ->get() callback
 for Qualcomm platforms (Douglas Anderson).
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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
This commit is contained in:
Linus Torvalds 2023-02-09 10:54:57 -08:00
commit e544a07438
1 changed files with 17 additions and 15 deletions
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32
drivers/cpufreq/qcom-cpufreq-hw.c
View file

@ -143,21 +143,6 @@ 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)
{
struct qcom_cpufreq_data *data;
struct cpufreq_policy *policy;
policy = cpufreq_cpu_get_raw(cpu);
if (!policy)
return 0;
data = policy->driver_data;
return qcom_lmh_get_throttle_freq(data) / HZ_PER_KHZ;
}
/* Get the frequency requested by the cpufreq core for the CPU */
static unsigned int qcom_cpufreq_get_freq(unsigned int cpu)
{
@ -179,6 +164,23 @@ static unsigned int qcom_cpufreq_get_freq(unsigned int cpu)
return policy->freq_table[index].frequency;
}
static unsigned int qcom_cpufreq_hw_get(unsigned int cpu)
{
struct qcom_cpufreq_data *data;
struct cpufreq_policy *policy;
policy = cpufreq_cpu_get_raw(cpu);
if (!policy)
return 0;
data = policy->driver_data;
if (data->throttle_irq >= 0)
return qcom_lmh_get_throttle_freq(data) / HZ_PER_KHZ;
return qcom_cpufreq_get_freq(cpu);
}
static unsigned int qcom_cpufreq_hw_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{