leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cpuidle: teo: Rename local variable in teo_select()

Browse Source 
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+
This commit is contained in:
Rafael J. Wysocki 2019-10-10 23:32:59 +02:00
parent 069ce2ef1a
commit 4f690bb8ce
1 changed files with 9 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/cpuidle/governors/teo.c
View File

@ -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.