cpuidle: teo: Rename local variable in teo_select()

Rename a local variable in teo_select() in preparation for subsequent
code modifications, no intentional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+

diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c
index 8806db95a91388c5962595fb6794a8d9f5345cd2..de3139b17a504c4186eaf76989b33a5e6c4d0a86 100644 (file)
--- a/drivers/cpuidle/governors/teo.c
+++ b/drivers/cpuidle/governors/teo.c
@@ -233,7 +233,7 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 {
        struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, dev->cpu);
        int latency_req = cpuidle_governor_latency_req(dev->cpu);
-       unsigned int duration_us, count;
+       unsigned int duration_us, early_hits;
        int max_early_idx, constraint_idx, idx, i;
        ktime_t delta_tick;
 
@@ -247,7 +247,7 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
        cpu_data->sleep_length_ns = tick_nohz_get_sleep_length(&delta_tick);
        duration_us = ktime_to_us(cpu_data->sleep_length_ns);
 
-       count = 0;
+       early_hits = 0;
        max_early_idx = -1;
        constraint_idx = drv->state_count;
        idx = -1;
@@ -270,12 +270,12 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
                         * into account, because it would be a mistake to select
                         * a deeper state with lower "early hits" metric.  The
                         * index cannot be changed to point to it, however, so
-                        * just increase the max count alone and let the index
-                        * still point to a shallower idle state.
+                        * just increase the "early hits" count alone and let
+                        * the index still point to a shallower idle state.
                         */
                        if (max_early_idx >= 0 &&
-                           count < cpu_data->states[i].early_hits)
-                               count = cpu_data->states[i].early_hits;
+                           early_hits < cpu_data->states[i].early_hits)
+                               early_hits = cpu_data->states[i].early_hits;
 
                        continue;
                }
@@ -291,10 +291,10 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 
                idx = i;
 
-               if (count < cpu_data->states[i].early_hits &&
+               if (early_hits < cpu_data->states[i].early_hits &&
                    !(tick_nohz_tick_stopped() &&
                      drv->states[i].target_residency < TICK_USEC)) {
-                       count = cpu_data->states[i].early_hits;
+                       early_hits = cpu_data->states[i].early_hits;
                        max_early_idx = i;
                }
        }
@@ -323,10 +323,9 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
        if (idx < 0) {
                idx = 0; /* No states enabled. Must use 0. */
        } else if (idx > 0) {
+               unsigned int count = 0;
                u64 sum = 0;
 
-               count = 0;
-
                /*
                 * Count and sum the most recent idle duration values less than
                 * the current expected idle duration value.