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-rw-r--r--drivers/cpufreq/acpi-cpufreq.c18
-rw-r--r--drivers/cpufreq/cpufreq.c10
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c4
-rw-r--r--drivers/cpufreq/intel_pstate.c4
-rw-r--r--drivers/cpufreq/longhaul.c2
-rw-r--r--drivers/cpufreq/powernow-k8.c6
-rw-r--r--drivers/cpufreq/powernv-cpufreq.c4
-rw-r--r--drivers/cpufreq/sh-cpufreq.c11
8 files changed, 17 insertions, 42 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 7e7450453714..28467d83c745 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -163,9 +163,9 @@ static ssize_t store_cpb(struct cpufreq_policy *policy, const char *buf,
if (ret || val > 1)
return -EINVAL;
- get_online_cpus();
+ cpus_read_lock();
set_boost(policy, val);
- put_online_cpus();
+ cpus_read_unlock();
return count;
}
@@ -889,6 +889,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
policy->fast_switch_possible = !acpi_pstate_strict &&
!(policy_is_shared(policy) && policy->shared_type != CPUFREQ_SHARED_TYPE_ANY);
+ if (perf->states[0].core_frequency * 1000 != freq_table[0].frequency)
+ pr_warn(FW_WARN "P-state 0 is not max freq\n");
+
return result;
err_unreg:
@@ -918,16 +921,6 @@ static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy)
return 0;
}
-static void acpi_cpufreq_cpu_ready(struct cpufreq_policy *policy)
-{
- struct acpi_processor_performance *perf = per_cpu_ptr(acpi_perf_data,
- policy->cpu);
- unsigned int freq = policy->freq_table[0].frequency;
-
- if (perf->states[0].core_frequency * 1000 != freq)
- pr_warn(FW_WARN "P-state 0 is not max freq\n");
-}
-
static int acpi_cpufreq_resume(struct cpufreq_policy *policy)
{
struct acpi_cpufreq_data *data = policy->driver_data;
@@ -955,7 +948,6 @@ static struct cpufreq_driver acpi_cpufreq_driver = {
.bios_limit = acpi_processor_get_bios_limit,
.init = acpi_cpufreq_cpu_init,
.exit = acpi_cpufreq_cpu_exit,
- .ready = acpi_cpufreq_cpu_ready,
.resume = acpi_cpufreq_resume,
.name = "acpi-cpufreq",
.attr = acpi_cpufreq_attr,
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d301f39248a0..5782b15a8caa 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1517,10 +1517,6 @@ static int cpufreq_online(unsigned int cpu)
kobject_uevent(&policy->kobj, KOBJ_ADD);
- /* Callback for handling stuff after policy is ready */
- if (cpufreq_driver->ready)
- cpufreq_driver->ready(policy);
-
if (cpufreq_thermal_control_enabled(cpufreq_driver))
policy->cdev = of_cpufreq_cooling_register(policy);
@@ -2667,18 +2663,18 @@ int cpufreq_boost_trigger_state(int state)
cpufreq_driver->boost_enabled = state;
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
- get_online_cpus();
+ cpus_read_lock();
for_each_active_policy(policy) {
ret = cpufreq_driver->set_boost(policy, state);
if (ret)
goto err_reset_state;
}
- put_online_cpus();
+ cpus_read_unlock();
return 0;
err_reset_state:
- put_online_cpus();
+ cpus_read_unlock();
write_lock_irqsave(&cpufreq_driver_lock, flags);
cpufreq_driver->boost_enabled = !state;
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index ac361a8b1d3b..eb4320b619c9 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -418,7 +418,7 @@ static void od_set_powersave_bias(unsigned int powersave_bias)
default_powersave_bias = powersave_bias;
cpumask_clear(&done);
- get_online_cpus();
+ cpus_read_lock();
for_each_online_cpu(cpu) {
struct cpufreq_policy *policy;
struct policy_dbs_info *policy_dbs;
@@ -442,7 +442,7 @@ static void od_set_powersave_bias(unsigned int powersave_bias)
od_tuners = dbs_data->tuners;
od_tuners->powersave_bias = default_powersave_bias;
}
- put_online_cpus();
+ cpus_read_unlock();
}
void od_register_powersave_bias_handler(unsigned int (*f)
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index bb4549959b11..2d83a9f9651b 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -2969,7 +2969,7 @@ static void intel_pstate_driver_cleanup(void)
{
unsigned int cpu;
- get_online_cpus();
+ cpus_read_lock();
for_each_online_cpu(cpu) {
if (all_cpu_data[cpu]) {
if (intel_pstate_driver == &intel_pstate)
@@ -2979,7 +2979,7 @@ static void intel_pstate_driver_cleanup(void)
all_cpu_data[cpu] = NULL;
}
}
- put_online_cpus();
+ cpus_read_unlock();
intel_pstate_driver = NULL;
}
diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
index 182a4dbca095..c538a153ee82 100644
--- a/drivers/cpufreq/longhaul.c
+++ b/drivers/cpufreq/longhaul.c
@@ -942,8 +942,6 @@ static int __init longhaul_init(void)
return cpufreq_register_driver(&longhaul_driver);
case 10:
pr_err("Use acpi-cpufreq driver for VIA C7\n");
- default:
- ;
}
return -ENODEV;
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index b9ccb6a3dad9..12ab4014af71 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -1180,7 +1180,7 @@ static int powernowk8_init(void)
if (!x86_match_cpu(powernow_k8_ids))
return -ENODEV;
- get_online_cpus();
+ cpus_read_lock();
for_each_online_cpu(i) {
smp_call_function_single(i, check_supported_cpu, &ret, 1);
if (!ret)
@@ -1188,10 +1188,10 @@ static int powernowk8_init(void)
}
if (supported_cpus != num_online_cpus()) {
- put_online_cpus();
+ cpus_read_unlock();
return -ENODEV;
}
- put_online_cpus();
+ cpus_read_unlock();
ret = cpufreq_register_driver(&cpufreq_amd64_driver);
if (ret)
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index 005600cef273..23a06cba392c 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -918,7 +918,7 @@ static void powernv_cpufreq_work_fn(struct work_struct *work)
unsigned int cpu;
cpumask_t mask;
- get_online_cpus();
+ cpus_read_lock();
cpumask_and(&mask, &chip->mask, cpu_online_mask);
smp_call_function_any(&mask,
powernv_cpufreq_throttle_check, NULL, 0);
@@ -939,7 +939,7 @@ static void powernv_cpufreq_work_fn(struct work_struct *work)
cpufreq_cpu_put(policy);
}
out:
- put_online_cpus();
+ cpus_read_unlock();
}
static int powernv_cpufreq_occ_msg(struct notifier_block *nb,
diff --git a/drivers/cpufreq/sh-cpufreq.c b/drivers/cpufreq/sh-cpufreq.c
index 1a251e635ebd..b8704232c27b 100644
--- a/drivers/cpufreq/sh-cpufreq.c
+++ b/drivers/cpufreq/sh-cpufreq.c
@@ -145,16 +145,6 @@ static int sh_cpufreq_cpu_exit(struct cpufreq_policy *policy)
return 0;
}
-static void sh_cpufreq_cpu_ready(struct cpufreq_policy *policy)
-{
- struct device *dev = get_cpu_device(policy->cpu);
-
- dev_info(dev, "CPU Frequencies - Minimum %u.%03u MHz, "
- "Maximum %u.%03u MHz.\n",
- policy->min / 1000, policy->min % 1000,
- policy->max / 1000, policy->max % 1000);
-}
-
static struct cpufreq_driver sh_cpufreq_driver = {
.name = "sh",
.flags = CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
@@ -163,7 +153,6 @@ static struct cpufreq_driver sh_cpufreq_driver = {
.verify = sh_cpufreq_verify,
.init = sh_cpufreq_cpu_init,
.exit = sh_cpufreq_cpu_exit,
- .ready = sh_cpufreq_cpu_ready,
.attr = cpufreq_generic_attr,
};