Original-patch-by: Sören Brinkmann <soren.brinkm...@xilinx.com>
Signed-off-by: Joe Perches <j...@perches.com>
Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
---
I didn't send this out yesterday, did I?
Anyway, this is Joe's patch. I thought I just submit it as proper patch which is
easier to handle than assembling this from all the pieces in the original
thread.
Thanks,
Sören
drivers/cpufreq/cpufreq.c | 85 ++++++++++++++++++++++-------------------------
1 file changed, 40 insertions(+), 45 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 08ca8c9f41cd..9eb1bd924817 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -181,8 +181,8 @@ unsigned int cpufreq_generic_get(unsigned int cpu)
struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu);
if (!policy || IS_ERR(policy->clk)) {
- pr_err("%s: No %s associated to cpu: %d\n", __func__,
- policy ? "clk" : "policy", cpu);
+ pr_err("%s: No %s associated to cpu: %d\n",
+ __func__, policy ? "clk" : "policy", cpu);
return 0;
}
@@ -254,15 +254,15 @@ static void adjust_jiffies(unsigned long val, struct
cpufreq_freqs *ci)
if (!l_p_j_ref_freq) {
l_p_j_ref = loops_per_jiffy;
l_p_j_ref_freq = ci->old;
- pr_debug("saving %lu as reference value for loops_per_jiffy; "
- "freq is %u kHz\n", l_p_j_ref, l_p_j_ref_freq);
+ pr_debug("saving %lu as reference value for loops_per_jiffy; freq is
%u kHz\n",
+ l_p_j_ref, l_p_j_ref_freq);
}
if ((val == CPUFREQ_POSTCHANGE && ci->old != ci->new) ||
(val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE)) {
loops_per_jiffy = cpufreq_scale(l_p_j_ref, l_p_j_ref_freq,
ci->new);
- pr_debug("scaling loops_per_jiffy to %lu "
- "for frequency %u kHz\n", loops_per_jiffy, ci->new);
+ pr_debug("scaling loops_per_jiffy to %lu for frequency %u
kHz\n",
+ loops_per_jiffy, ci->new);
}
}
#else
@@ -282,7 +282,7 @@ static void __cpufreq_notify_transition(struct
cpufreq_policy *policy,
freqs->flags = cpufreq_driver->flags;
pr_debug("notification %u of frequency transition to %u kHz\n",
- state, freqs->new);
+ state, freqs->new);
switch (state) {
@@ -294,9 +294,8 @@ static void __cpufreq_notify_transition(struct
cpufreq_policy *policy,
if (!(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) {
if ((policy) && (policy->cpu == freqs->cpu) &&
(policy->cur) && (policy->cur != freqs->old)) {
- pr_debug("Warning: CPU frequency is"
- " %u, cpufreq assumed %u kHz.\n",
- freqs->old, policy->cur);
+ pr_debug("Warning: CPU frequency is %u, cpufreq
assumed %u kHz\n",
+ freqs->old, policy->cur);
freqs->old = policy->cur;
}
}
@@ -307,8 +306,8 @@ static void __cpufreq_notify_transition(struct
cpufreq_policy *policy,
case CPUFREQ_POSTCHANGE:
adjust_jiffies(CPUFREQ_POSTCHANGE, freqs);
- pr_debug("FREQ: %lu - CPU: %lu", (unsigned long)freqs->new,
- (unsigned long)freqs->cpu);
+ pr_debug("FREQ: %lu - CPU: %lu\n",
+ (unsigned long)freqs->new, (unsigned long)freqs->cpu);
trace_cpu_frequency(freqs->new, freqs->cpu);
srcu_notifier_call_chain(&cpufreq_transition_notifier_list,
CPUFREQ_POSTCHANGE, freqs);
@@ -368,13 +367,13 @@ static ssize_t store_boost(struct kobject *kobj, struct
attribute *attr,
return -EINVAL;
if (cpufreq_boost_trigger_state(enable)) {
- pr_err("%s: Cannot %s BOOST!\n", __func__,
- enable ? "enable" : "disable");
+ pr_err("%s: Cannot %s BOOST!\n",
+ __func__, enable ? "enable" : "disable");
return -EINVAL;
}
- pr_debug("%s: cpufreq BOOST %s\n", __func__,
- enable ? "enabled" : "disabled");
+ pr_debug("%s: cpufreq BOOST %s\n",
+ __func__, enable ? "enabled" : "disabled");
return count;
}
@@ -1184,7 +1183,7 @@ static int __cpufreq_add_dev(struct device *dev, struct
subsys_interface *sif,
if (gov) {
policy->governor = gov;
pr_debug("Restoring governor %s for cpu %d\n",
- policy->governor->name, cpu);
+ policy->governor->name, cpu);
}
#endif
@@ -1263,7 +1262,7 @@ static int cpufreq_nominate_new_policy_cpu(struct
cpufreq_policy *policy,
sysfs_remove_link(&cpu_dev->kobj, "cpufreq");
ret = kobject_move(&policy->kobj, &cpu_dev->kobj);
if (ret) {
- pr_err("%s: Failed to move kobj: %d", __func__, ret);
+ pr_err("%s: Failed to move kobj: %d\n", __func__, ret);
down_write(&policy->rwsem);
cpumask_set_cpu(old_cpu, policy->cpus);
@@ -1332,7 +1331,7 @@ static int __cpufreq_remove_dev_prepare(struct device
*dev,
if (!frozen) {
pr_debug("%s: policy Kobject moved to cpu: %d from:
%d\n",
- __func__, new_cpu, cpu);
+ __func__, new_cpu, cpu);
}
}
}
@@ -1372,7 +1371,7 @@ static int __cpufreq_remove_dev_finish(struct device *dev,
CPUFREQ_GOV_POLICY_EXIT);
if (ret) {
pr_err("%s: Failed to exit governor\n",
- __func__);
+ __func__);
return ret;
}
}
@@ -1400,7 +1399,7 @@ static int __cpufreq_remove_dev_finish(struct device *dev,
if ((ret = __cpufreq_governor(policy,
CPUFREQ_GOV_START)) ||
(ret = __cpufreq_governor(policy,
CPUFREQ_GOV_LIMITS))) {
pr_err("%s: Failed to start governor\n",
- __func__);
+ __func__);
return ret;
}
}
@@ -1457,8 +1456,8 @@ static void cpufreq_out_of_sync(unsigned int cpu,
unsigned int old_freq,
struct cpufreq_freqs freqs;
unsigned long flags;
- pr_debug("Warning: CPU frequency out of sync: cpufreq and timing "
- "core thinks of %u, is %u kHz.\n", old_freq, new_freq);
+ pr_debug("Warning: CPU frequency out of sync: cpufreq and timing core thinks
of %u, is %u kHz\n",
+ old_freq, new_freq);
freqs.old = old_freq;
freqs.new = new_freq;
@@ -1599,8 +1598,8 @@ static int cpufreq_bp_suspend(void)
if (cpufreq_driver->suspend) {
ret = cpufreq_driver->suspend(policy);
if (ret)
- printk(KERN_ERR "cpufreq: suspend failed in ->suspend "
- "step on CPU %u\n", policy->cpu);
+ pr_err("suspend failed in ->suspend step on CPU %u\n",
+ policy->cpu);
}
cpufreq_cpu_put(policy);
@@ -1637,8 +1636,8 @@ static void cpufreq_bp_resume(void)
if (cpufreq_driver->resume) {
ret = cpufreq_driver->resume(policy);
if (ret) {
- printk(KERN_ERR "cpufreq: resume failed in ->resume "
- "step on CPU %u\n", policy->cpu);
+ pr_err("resume failed in ->resume step on CPU %u\n",
+ policy->cpu);
goto fail;
}
}
@@ -1768,7 +1767,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
target_freq = policy->min;
pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
- policy->cpu, target_freq, relation, old_target_freq);
+ policy->cpu, target_freq, relation, old_target_freq);
/*
* This might look like a redundant call as we are checking it again
@@ -1813,8 +1812,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
freqs.flags = 0;
pr_debug("%s: cpu: %d, oldfreq: %u, new freq: %u\n",
- __func__, policy->cpu, freqs.old,
- freqs.new);
+ __func__, policy->cpu, freqs.old, freqs.new);
cpufreq_notify_transition(policy, &freqs,
CPUFREQ_PRECHANGE);
@@ -1823,7 +1821,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
retval = cpufreq_driver->target_index(policy, index);
if (retval)
pr_err("%s: Failed to change cpu frequency: %d\n",
- __func__, retval);
+ __func__, retval);
if (notify)
cpufreq_notify_post_transition(policy, &freqs, retval);
@@ -1875,11 +1873,8 @@ static int __cpufreq_governor(struct cpufreq_policy
*policy,
if (!gov)
return -EINVAL;
else {
- printk(KERN_WARNING "%s governor failed, too long"
- " transition latency of HW, fallback"
- " to %s governor\n",
- policy->governor->name,
- gov->name);
+ pr_warn("%s governor failed, too long transition latency of
HW, fallback to %s governor\n",
+ policy->governor->name, gov->name);
policy->governor = gov;
}
}
@@ -1889,7 +1884,7 @@ static int __cpufreq_governor(struct cpufreq_policy
*policy,
return -EINVAL;
pr_debug("__cpufreq_governor for CPU %u, event %u\n",
- policy->cpu, event);
+ policy->cpu, event);
mutex_lock(&cpufreq_governor_lock);
if ((policy->governor_enabled && event == CPUFREQ_GOV_START)
@@ -2020,8 +2015,8 @@ static int cpufreq_set_policy(struct cpufreq_policy
*policy,
{
int ret = 0, failed = 1;
- pr_debug("setting new policy for CPU %u: %u - %u kHz\n",
new_policy->cpu,
- new_policy->min, new_policy->max);
+ pr_debug("setting new policy for CPU %u: %u - %u kHz\n",
+ new_policy->cpu, new_policy->min, new_policy->max);
memcpy(&new_policy->cpuinfo, &policy->cpuinfo, sizeof(policy->cpuinfo));
@@ -2059,7 +2054,7 @@ static int cpufreq_set_policy(struct cpufreq_policy
*policy,
policy->max = new_policy->max;
pr_debug("new min and max freqs are %u - %u kHz\n",
- policy->min, policy->max);
+ policy->min, policy->max);
if (cpufreq_driver->setpolicy) {
policy->policy = new_policy->policy;
@@ -2152,7 +2147,7 @@ int cpufreq_update_policy(unsigned int cpu)
if (cpufreq_driver->get) {
new_policy.cur = cpufreq_driver->get(cpu);
if (!policy->cur) {
- pr_debug("Driver did not initialize current freq");
+ pr_debug("Driver did not initialize current freq\n");
policy->cur = new_policy.cur;
} else {
if (policy->cur != new_policy.cur && has_target())
@@ -2255,8 +2250,8 @@ int cpufreq_boost_trigger_state(int state)
cpufreq_driver->boost_enabled = !state;
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
- pr_err("%s: Cannot %s BOOST\n", __func__,
- state ? "enable" : "disable");
+ pr_err("%s: Cannot %s BOOST\n",
+ __func__, state ? "enable" : "disable");
}
return ret;
@@ -2328,7 +2323,7 @@ int cpufreq_register_driver(struct cpufreq_driver
*driver_data)
ret = cpufreq_sysfs_create_file(&boost.attr);
if (ret) {
pr_err("%s: cannot register global BOOST sysfs file\n",
- __func__);
+ __func__);
goto err_null_driver;
}
}
@@ -2351,7 +2346,7 @@ int cpufreq_register_driver(struct cpufreq_driver
*driver_data)
/* if all ->init() calls failed, unregister */
if (ret) {
pr_debug("no CPU initialized for driver %s\n",
- driver_data->name);
+ driver_data->name);
goto err_if_unreg;
}
}
