Merge branch 'pm-cpufreq'

[firefly-linux-kernel-4.4.55.git] / drivers / cpufreq / acpi-cpufreq.c

diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index b8efacf01d694cb50a07115cc0a79a57d638c3e4..f4fef0acc1838e6505d3ccf8f29dc73977ce2ece 100644 (file)
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -232,7 +232,7 @@ static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data)
        perf = data->acpi_data;
 
        for (i = 0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
-               if (msr == perf->states[data->freq_table[i].index].status)
+               if (msr == perf->states[data->freq_table[i].driver_data].status)
                        return data->freq_table[i].frequency;
        }
        return data->freq_table[0].frequency;
@@ -442,7 +442,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
                goto out;
        }
 
-       next_perf_state = data->freq_table[next_state].index;
+       next_perf_state = data->freq_table[next_state].driver_data;
        if (perf->state == next_perf_state) {
                if (unlikely(data->resume)) {
                        pr_debug("Called after resume, resetting to P%d\n",
@@ -494,12 +494,14 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
                        pr_debug("acpi_cpufreq_target failed (%d)\n",
                                policy->cpu);
                        result = -EAGAIN;
-                       goto out;
+                       freqs.new = freqs.old;
                }
        }
 
        cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
-       perf->state = next_perf_state;
+
+       if (!result)
+               perf->state = next_perf_state;
 
 out:
        return result;
@@ -811,7 +813,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
                    data->freq_table[valid_states-1].frequency / 1000)
                        continue;
 
-               data->freq_table[valid_states].index = i;
+               data->freq_table[valid_states].driver_data = i;
                data->freq_table[valid_states].frequency =
                    perf->states[i].core_frequency * 1000;
                valid_states++;
@@ -947,7 +949,7 @@ static void __init acpi_cpufreq_boost_init(void)
        /* We create the boost file in any case, though for systems without
         * hardware support it will be read-only and hardwired to return 0.
         */
-       if (sysfs_create_file(cpufreq_global_kobject, &(global_boost.attr)))
+       if (cpufreq_sysfs_create_file(&(global_boost.attr)))
                pr_warn(PFX "could not register global boost sysfs file\n");
        else
                pr_debug("registered global boost sysfs file\n");
@@ -955,7 +957,7 @@ static void __init acpi_cpufreq_boost_init(void)
 
 static void __exit acpi_cpufreq_boost_exit(void)
 {
-       sysfs_remove_file(cpufreq_global_kobject, &(global_boost.attr));
+       cpufreq_sysfs_remove_file(&(global_boost.attr));
 
        if (msrs) {
                unregister_cpu_notifier(&boost_nb);