diff options
| -rw-r--r-- | drivers/soc/qcom/msm_performance.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/drivers/soc/qcom/msm_performance.c b/drivers/soc/qcom/msm_performance.c index cc8faf63515c..71d6defb6af8 100644 --- a/drivers/soc/qcom/msm_performance.c +++ b/drivers/soc/qcom/msm_performance.c @@ -25,14 +25,14 @@ static struct mutex managed_cpus_lock; /* Maximum number to clusters that this module will manage*/ static unsigned int num_clusters; -struct cpu_hp { +struct cluster { cpumask_var_t cpus; /* Number of CPUs to maintain online */ int max_cpu_request; /* To track CPUs that the module decides to offline */ cpumask_var_t offlined_cpus; }; -static struct cpu_hp **managed_clusters; +static struct cluster **managed_clusters; static bool clusters_inited; /* Work to evaluate the onlining/offlining CPUs */ @@ -47,7 +47,7 @@ static DEFINE_PER_CPU(struct cpu_status, cpu_stats); static unsigned int num_online_managed(struct cpumask *mask); static int init_cluster_control(void); -static int rm_high_pwr_cost_cpus(struct cpu_hp *cl); +static int rm_high_pwr_cost_cpus(struct cluster *cl); static DEFINE_PER_CPU(unsigned int, cpu_power_cost); @@ -194,17 +194,17 @@ static int get_managed_online_cpus(char *buf, const struct kernel_param *kp) { int i, cnt = 0; struct cpumask tmp_mask; - struct cpu_hp *i_cpu_hp; + struct cluster *i_cl; if (!clusters_inited) return cnt; for (i = 0; i < num_clusters; i++) { - i_cpu_hp = managed_clusters[i]; + i_cl = managed_clusters[i]; cpumask_clear(&tmp_mask); - cpumask_complement(&tmp_mask, i_cpu_hp->offlined_cpus); - cpumask_and(&tmp_mask, i_cpu_hp->cpus, &tmp_mask); + cpumask_complement(&tmp_mask, i_cl->offlined_cpus); + cpumask_and(&tmp_mask, i_cl->cpus, &tmp_mask); cnt += cpulist_scnprintf(buf + cnt, PAGE_SIZE - cnt, &tmp_mask); @@ -423,7 +423,7 @@ static struct notifier_block perf_cpufreq_nb = { * Attempt to offline CPUs based on their power cost. * CPUs with higher power costs are offlined first. */ -static int __ref rm_high_pwr_cost_cpus(struct cpu_hp *cl) +static int __ref rm_high_pwr_cost_cpus(struct cluster *cl) { unsigned int cpu, i; struct cpu_pwr_stats *per_cpu_info = get_cpu_pwr_stats(); @@ -495,7 +495,7 @@ end: * It loops through the currently managed CPUs and tries to online/offline * them until the max_cpu_request criteria is met. */ -static void __ref try_hotplug(struct cpu_hp *data) +static void __ref try_hotplug(struct cluster *data) { unsigned int i; @@ -567,23 +567,23 @@ static void __ref release_cluster_control(struct cpumask *off_cpus) static void check_cluster_status(struct work_struct *work) { int i; - struct cpu_hp *i_chp; + struct cluster *i_cl; for (i = 0; i < num_clusters; i++) { - i_chp = managed_clusters[i]; + i_cl = managed_clusters[i]; - if (cpumask_empty(i_chp->cpus)) + if (cpumask_empty(i_cl->cpus)) continue; - if (i_chp->max_cpu_request < 0) { - if (!cpumask_empty(i_chp->offlined_cpus)) - release_cluster_control(i_chp->offlined_cpus); + if (i_cl->max_cpu_request < 0) { + if (!cpumask_empty(i_cl->offlined_cpus)) + release_cluster_control(i_cl->offlined_cpus); continue; } - if (num_online_managed(i_chp->cpus) != - i_chp->max_cpu_request) - try_hotplug(i_chp); + if (num_online_managed(i_cl->cpus) != + i_cl->max_cpu_request) + try_hotplug(i_cl); } } @@ -592,19 +592,19 @@ static int __ref msm_performance_cpu_callback(struct notifier_block *nfb, { uint32_t cpu = (uintptr_t)hcpu; unsigned int i; - struct cpu_hp *i_hp = NULL; + struct cluster *i_cl = NULL; if (!clusters_inited) return NOTIFY_OK; for (i = 0; i < num_clusters; i++) { if (cpumask_test_cpu(cpu, managed_clusters[i]->cpus)) { - i_hp = managed_clusters[i]; + i_cl = managed_clusters[i]; break; } } - if (i_hp == NULL) + if (i_cl == NULL) return NOTIFY_OK; if (action == CPU_UP_PREPARE || action == CPU_UP_PREPARE_FROZEN) { @@ -612,16 +612,16 @@ static int __ref msm_performance_cpu_callback(struct notifier_block *nfb, * Prevent onlining of a managed CPU if max_cpu criteria is * already satisfied */ - if (i_hp->max_cpu_request <= - num_online_managed(i_hp->cpus)) { + if (i_cl->max_cpu_request <= + num_online_managed(i_cl->cpus)) { pr_debug("msm_perf: Prevent CPU%d onlining\n", cpu); - cpumask_set_cpu(cpu, i_hp->offlined_cpus); + cpumask_set_cpu(cpu, i_cl->offlined_cpus); return NOTIFY_BAD; } - cpumask_clear_cpu(cpu, i_hp->offlined_cpus); + cpumask_clear_cpu(cpu, i_cl->offlined_cpus); } else if (action == CPU_DEAD) { - if (cpumask_test_cpu(cpu, i_hp->offlined_cpus)) + if (cpumask_test_cpu(cpu, i_cl->offlined_cpus)) return NOTIFY_OK; /* * Schedule a re-evaluation to check if any more CPUs can be @@ -629,8 +629,8 @@ static int __ref msm_performance_cpu_callback(struct notifier_block *nfb, * work is delayed to account for CPU hotplug latencies */ if (schedule_delayed_work(&evaluate_hotplug_work, 0)) { - trace_reevaluate_hotplug(cpumask_bits(i_hp->cpus)[0], - i_hp->max_cpu_request); + trace_reevaluate_hotplug(cpumask_bits(i_cl->cpus)[0], + i_cl->max_cpu_request); pr_debug("msm_perf: Re-evaluation scheduled %d\n", cpu); } else { pr_debug("msm_perf: Work scheduling failed %d\n", cpu); @@ -648,12 +648,12 @@ static int init_cluster_control(void) { unsigned int i; - managed_clusters = kcalloc(num_clusters, sizeof(struct cpu_hp *), + managed_clusters = kcalloc(num_clusters, sizeof(struct cluster *), GFP_KERNEL); if (!managed_clusters) return -ENOMEM; for (i = 0; i < num_clusters; i++) { - managed_clusters[i] = kcalloc(1, sizeof(struct cpu_hp), + managed_clusters[i] = kcalloc(1, sizeof(struct cluster), GFP_KERNEL); if (!managed_clusters[i]) return -ENOMEM; |
