#include <linux/cpumask.h>
#include <linux/export.h>
#include <linux/of_platform.h>
-#include <linux/opp.h>
+#include <linux/pm_opp.h>
#include <linux/slab.h>
#include <linux/topology.h>
#include <linux/types.h>
return clk_get_rate(clk[cur_cluster]) / 1000;
}
-/* Validate policy frequency range */
-static int bL_cpufreq_verify_policy(struct cpufreq_policy *policy)
-{
- u32 cur_cluster = cpu_to_cluster(policy->cpu);
-
- return cpufreq_frequency_table_verify(policy, freq_table[cur_cluster]);
-}
-
/* Set clock frequency */
static int bL_cpufreq_set_target(struct cpufreq_policy *policy,
unsigned int target_freq, unsigned int relation)
if (!atomic_dec_return(&cluster_usage[cluster])) {
clk_put(clk[cluster]);
- opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]);
+ dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]);
dev_dbg(cpu_dev, "%s: cluster: %d\n", __func__, cluster);
}
}
goto atomic_dec;
}
- ret = opp_init_cpufreq_table(cpu_dev, &freq_table[cluster]);
+ ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table[cluster]);
if (ret) {
dev_err(cpu_dev, "%s: failed to init cpufreq table, cpu: %d, err: %d\n",
__func__, cpu_dev->id, ret);
}
name[12] = cluster + '0';
- clk[cluster] = clk_get_sys(name, NULL);
+ clk[cluster] = clk_get(cpu_dev, name);
if (!IS_ERR(clk[cluster])) {
dev_dbg(cpu_dev, "%s: clk: %p & freq table: %p, cluster: %d\n",
__func__, clk[cluster], freq_table[cluster],
dev_err(cpu_dev, "%s: Failed to get clk for cpu: %d, cluster: %d\n",
__func__, cpu_dev->id, cluster);
ret = PTR_ERR(clk[cluster]);
- opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]);
+ dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]);
atomic_dec:
atomic_dec(&cluster_usage[cluster]);
else
policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
- policy->cur = bL_cpufreq_get(policy->cpu);
-
cpumask_copy(policy->cpus, topology_core_cpumask(policy->cpu));
dev_info(cpu_dev, "%s: CPU %d initialized\n", __func__, policy->cpu);
return -ENODEV;
}
+ cpufreq_frequency_table_put_attr(policy->cpu);
put_cluster_clk_and_freq_table(cpu_dev);
dev_dbg(cpu_dev, "%s: Exited, cpu: %d\n", __func__, policy->cpu);
return 0;
}
-/* Export freq_table to sysfs */
-static struct freq_attr *bL_cpufreq_attr[] = {
- &cpufreq_freq_attr_scaling_available_freqs,
- NULL,
-};
-
static struct cpufreq_driver bL_cpufreq_driver = {
.name = "arm-big-little",
- .flags = CPUFREQ_STICKY,
- .verify = bL_cpufreq_verify_policy,
+ .flags = CPUFREQ_STICKY |
+ CPUFREQ_HAVE_GOVERNOR_PER_POLICY,
+ .verify = cpufreq_generic_frequency_table_verify,
.target = bL_cpufreq_set_target,
.get = bL_cpufreq_get,
.init = bL_cpufreq_init,
.exit = bL_cpufreq_exit,
- .have_governor_per_policy = true,
- .attr = bL_cpufreq_attr,
+ .attr = cpufreq_generic_attr,
};
int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops)