diff options
Diffstat (limited to 'kernel/pm_qos_params.c')
| -rw-r--r-- | kernel/pm_qos_params.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c index 37f05d0f0793..06e74202a8b9 100644 --- a/kernel/pm_qos_params.c +++ b/kernel/pm_qos_params.c @@ -103,12 +103,23 @@ static struct pm_qos_object network_throughput_pm_qos = { .type = PM_QOS_MAX, }; +static BLOCKING_NOTIFIER_HEAD(max_online_cpus_notifier); +static struct pm_qos_object max_online_cpus_pm_qos = { + .requests = PLIST_HEAD_INIT(max_online_cpus_pm_qos.requests), + .notifiers = &max_online_cpus_notifier, + .name = "max_online_cpus", + .target_value = PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE, + .default_value = PM_QOS_MAX_ONLINE_CPUS_DEFAULT_VALUE, + .type = PM_QOS_MIN, +}; + static struct pm_qos_object *pm_qos_array[] = { &null_pm_qos, &cpu_dma_pm_qos, &network_lat_pm_qos, - &network_throughput_pm_qos + &network_throughput_pm_qos, + &max_online_cpus_pm_qos }; static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf, @@ -459,21 +470,18 @@ static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf, static int __init pm_qos_power_init(void) { int ret = 0; + int i; - ret = register_pm_qos_misc(&cpu_dma_pm_qos); - if (ret < 0) { - printk(KERN_ERR "pm_qos_param: cpu_dma_latency setup failed\n"); - return ret; - } - ret = register_pm_qos_misc(&network_lat_pm_qos); - if (ret < 0) { - printk(KERN_ERR "pm_qos_param: network_latency setup failed\n"); - return ret; + BUILD_BUG_ON(ARRAY_SIZE(pm_qos_array) != PM_QOS_NUM_CLASSES); + + for (i = 1; i < PM_QOS_NUM_CLASSES; i++) { + ret = register_pm_qos_misc(pm_qos_array[i]); + if (ret < 0) { + printk(KERN_ERR "pm_qos_param: %s setup failed\n", + pm_qos_array[i]->name); + return ret; + } } - ret = register_pm_qos_misc(&network_throughput_pm_qos); - if (ret < 0) - printk(KERN_ERR - "pm_qos_param: network_throughput setup failed\n"); return ret; } |