/*
* Generic routine to verify policy & frequency table, requires driver to call
* cpufreq_frequency_table_get_attr() prior to it.
*/
int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy)
{
struct cpufreq_frequency_table *table =
cpufreq_frequency_get_table(policy->cpu);
if (!table)
return -ENODEV;
return cpufreq_frequency_table_verify(policy, table);
}
static int tegra_verify_speed(struct cpufreq_policy *policy)
{
#if defined(CONFIG_USE_FAKE_SHMOO)
return cpufreq_frequency_table_verify(policy, freq_table);
#else
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
return 0;
#endif
}
static int powernow_cpufreq_verify(struct cpufreq_policy *policy)
{
struct acpi_cpufreq_data *data;
struct processor_performance *perf;
if (!policy || !(data = cpufreq_drv_data[policy->cpu]) ||
!processor_pminfo[policy->cpu])
return -EINVAL;
perf = &processor_pminfo[policy->cpu]->perf;
cpufreq_verify_within_limits(policy, 0,
perf->states[perf->platform_limit].core_frequency * 1000);
return cpufreq_frequency_table_verify(policy, data->freq_table);
}
static int davinci_verify_speed(struct cpufreq_policy *policy)
{
struct davinci_cpufreq_config *pdata = cpufreq.dev->platform_data;
struct cpufreq_frequency_table *freq_table = pdata->freq_table;
struct clk *armclk = cpufreq.armclk;
if (freq_table)
return cpufreq_frequency_table_verify(policy, freq_table);
if (policy->cpu)
return -EINVAL;
cpufreq_verify_within_cpu_limits(policy);
policy->min = clk_round_rate(armclk, policy->min * 1000) / 1000;
policy->max = clk_round_rate(armclk, policy->max * 1000) / 1000;
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
return 0;
}
static s32 balong_cpufreq_verify(struct cpufreq_policy *policy)
{
return cpufreq_frequency_table_verify(policy, &balong_clockrate_table[0]);
}
