cpufreq: pxa: call cpufreq_frequency_table_get_attr()
This exposes frequency table of driver to cpufreq core and is required for core to guess what the index for a target frequency is, when it calls cpufreq_frequency_table_target(). And so this driver needs to expose it. Cc: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -453,20 +453,31 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy)
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find_freq_tables(&pxa255_freq_table, &pxa255_freqs);
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pr_info("PXA255 cpufreq using %s frequency table\n",
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pxa255_turbo_table ? "turbo" : "run");
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cpufreq_frequency_table_cpuinfo(policy, pxa255_freq_table);
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cpufreq_frequency_table_get_attr(pxa255_freq_table, policy->cpu);
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}
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else if (cpu_is_pxa27x())
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else if (cpu_is_pxa27x()) {
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cpufreq_frequency_table_cpuinfo(policy, pxa27x_freq_table);
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cpufreq_frequency_table_get_attr(pxa27x_freq_table, policy->cpu);
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}
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printk(KERN_INFO "PXA CPU frequency change support initialized\n");
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return 0;
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}
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static int pxa_cpufreq_exit(struct cpufreq_policy *policy)
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{
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cpufreq_frequency_table_put_attr(policy->cpu);
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return 0;
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}
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static struct cpufreq_driver pxa_cpufreq_driver = {
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.verify = pxa_verify_policy,
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.target = pxa_set_target,
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.init = pxa_cpufreq_init,
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.exit = pxa_cpufreq_exit,
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.get = pxa_cpufreq_get,
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.name = "PXA2xx",
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};
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@ -91,7 +91,7 @@ static int setup_freqs_table(struct cpufreq_policy *policy,
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struct pxa3xx_freq_info *freqs, int num)
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{
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struct cpufreq_frequency_table *table;
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int i;
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int i, ret;
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table = kzalloc((num + 1) * sizeof(*table), GFP_KERNEL);
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if (table == NULL)
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@ -108,7 +108,11 @@ static int setup_freqs_table(struct cpufreq_policy *policy,
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pxa3xx_freqs_num = num;
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pxa3xx_freqs_table = table;
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return cpufreq_frequency_table_cpuinfo(policy, table);
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ret = cpufreq_frequency_table_cpuinfo(policy, table);
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if (!ret)
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cpufreq_frequency_table_get_attr(table, policy->cpu);
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return ret;
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}
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static void __update_core_freq(struct pxa3xx_freq_info *info)
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@ -229,10 +233,17 @@ static int pxa3xx_cpufreq_init(struct cpufreq_policy *policy)
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return 0;
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}
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static int pxa3xx_cpufreq_exit(struct cpufreq_policy *policy)
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{
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cpufreq_frequency_table_put_attr(policy->cpu);
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return 0;
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}
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static struct cpufreq_driver pxa3xx_cpufreq_driver = {
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.verify = pxa3xx_cpufreq_verify,
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.target = pxa3xx_cpufreq_set,
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.init = pxa3xx_cpufreq_init,
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.exit = pxa3xx_cpufreq_exit,
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.get = pxa3xx_cpufreq_get,
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.name = "pxa3xx-cpufreq",
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};
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