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Merge "cpufreq: qcom-hw: use no_log when reading cpu counter val"

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qctecmdr 2019-12-14 03:51:35 -08:00 • committed by Gerrit - the friendly Code Review server
commit 5cde937fee
1 changed files with 33 additions and 1 deletions
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34
drivers/cpufreq/qcom-cpufreq-hw.c
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@ -12,6 +12,7 @@
#include <linux/pm_opp.h>
#include <linux/energy_model.h>
#include <linux/sched.h>
#include <linux/cpu_cooling.h>
#define LUT_MAX_ENTRIES 40U
#define CORE_COUNT_VAL(val) (((val) & (GENMASK(18, 16))) >> 16)
@ -70,7 +71,8 @@ static u64 qcom_cpufreq_get_cpu_cycle_counter(int cpu)
spin_lock_irqsave(&cpu_counter->lock, flags);
offset = CYCLE_CNTR_OFFSET(cpu, &cpu_domain->related_cpus);
val = readl_relaxed(cpu_domain->reg_bases[REG_CYCLE_CNTR] + offset);
val = readl_relaxed_no_log(cpu_domain->reg_bases[REG_CYCLE_CNTR] +
offset);
if (val < cpu_counter->prev_cycle_counter) {
/* Handle counter overflow */
@ -178,6 +180,35 @@ static struct freq_attr *qcom_cpufreq_hw_attr[] = {
NULL
};
static void qcom_cpufreq_ready(struct cpufreq_policy *policy)
{
static struct thermal_cooling_device *cdev[NR_CPUS];
struct device_node *np;
unsigned int cpu = policy->cpu;
if (cdev[cpu])
return;
np = of_cpu_device_node_get(cpu);
if (WARN_ON(!np))
return;
/*
* For now, just loading the cooling device;
* thermal DT code takes care of matching them.
*/
if (of_find_property(np, "#cooling-cells", NULL)) {
cdev[cpu] = of_cpufreq_cooling_register(policy);
if (IS_ERR(cdev[cpu])) {
pr_err("running cpufreq for CPU%d without cooling dev: %ld\n",
cpu, PTR_ERR(cdev[cpu]));
cdev[cpu] = NULL;
}
}
of_node_put(np);
}
static struct cpufreq_driver cpufreq_qcom_hw_driver = {
.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
CPUFREQ_HAVE_GOVERNOR_PER_POLICY,
@ -189,6 +220,7 @@ static struct cpufreq_driver cpufreq_qcom_hw_driver = {
.name = "qcom-cpufreq-hw",
.attr = qcom_cpufreq_hw_attr,
.boost_enabled = true,
.ready = qcom_cpufreq_ready,
};
static int qcom_cpufreq_hw_read_lut(struct platform_device *pdev,