[PATCH] cpufreq: governor: Rename skip_work to work_count

From: Rafael J. Wysocki
Date: Mon Feb 08 2016 - 17:40:07 EST


From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

The skip_work field in struct policy_dbs_info technically is a
counter, so give it a new name to reflect that.

No functional changes.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---

On top of the bleeding-edge branch on linux-pm.git.

Thanks,
Rafael

---
drivers/cpufreq/cpufreq_governor.c | 14 +++++++-------
drivers/cpufreq/cpufreq_governor.h | 2 +-
2 files changed, 8 insertions(+), 8 deletions(-)

Index: linux-pm/drivers/cpufreq/cpufreq_governor.c
===================================================================
--- linux-pm.orig/drivers/cpufreq/cpufreq_governor.c
+++ linux-pm/drivers/cpufreq/cpufreq_governor.c
@@ -196,16 +196,16 @@ static inline void gov_clear_update_util
static void gov_cancel_work(struct policy_dbs_info *policy_dbs)
{
/* Tell dbs_update_util_handler() to skip queuing up work items. */
- atomic_inc(&policy_dbs->skip_work);
+ atomic_inc(&policy_dbs->work_count);
/*
* If dbs_update_util_handler() is already running, it may not notice
- * the incremented skip_work, so wait for it to complete to prevent its
+ * the incremented work_count, so wait for it to complete to prevent its
* work item from being queued up after the cancel_work_sync() below.
*/
gov_clear_update_util(policy_dbs->policy);
irq_work_sync(&policy_dbs->irq_work);
cancel_work_sync(&policy_dbs->work);
- atomic_set(&policy_dbs->skip_work, 0);
+ atomic_set(&policy_dbs->work_count, 0);
}

static void dbs_work_handler(struct work_struct *work)
@@ -234,7 +234,7 @@ static void dbs_work_handler(struct work
* up using a stale sample delay value.
*/
smp_mb__before_atomic();
- atomic_dec(&policy_dbs->skip_work);
+ atomic_dec(&policy_dbs->work_count);
}

static void dbs_irq_work(struct irq_work *irq_work)
@@ -266,7 +266,7 @@ static void dbs_update_util_handler(stru
* - The governor is being stopped.
* - It is too early (too little time from the previous sample).
*/
- if (atomic_inc_return(&policy_dbs->skip_work) == 1) {
+ if (atomic_inc_return(&policy_dbs->work_count) == 1) {
u64 delta_ns;

delta_ns = time - policy_dbs->last_sample_time;
@@ -276,7 +276,7 @@ static void dbs_update_util_handler(stru
return;
}
}
- atomic_dec(&policy_dbs->skip_work);
+ atomic_dec(&policy_dbs->work_count);
}

static void set_sampling_rate(struct dbs_data *dbs_data,
@@ -304,7 +304,7 @@ static struct policy_dbs_info *alloc_pol
return NULL;

mutex_init(&policy_dbs->timer_mutex);
- atomic_set(&policy_dbs->skip_work, 0);
+ atomic_set(&policy_dbs->work_count, 0);
init_irq_work(&policy_dbs->irq_work, dbs_irq_work);
INIT_WORK(&policy_dbs->work, dbs_work_handler);

Index: linux-pm/drivers/cpufreq/cpufreq_governor.h
===================================================================
--- linux-pm.orig/drivers/cpufreq/cpufreq_governor.h
+++ linux-pm/drivers/cpufreq/cpufreq_governor.h
@@ -149,7 +149,7 @@ struct policy_dbs_info {

u64 last_sample_time;
s64 sample_delay_ns;
- atomic_t skip_work;
+ atomic_t work_count;
struct irq_work irq_work;
struct work_struct work;
/* dbs_data may be shared between multiple policy objects */