diff options
Diffstat (limited to 'drivers/base/cpu.c')
| -rw-r--r-- | drivers/base/cpu.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index c8bfb6077224..118a4f245ad1 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -306,16 +306,56 @@ static ssize_t __ref store_sched_static_cluster_pwr_cost(struct device *dev, return err; } +static ssize_t show_sched_cluser_wake_idle(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cpu *cpu = container_of(dev, struct cpu, dev); + ssize_t rc; + int cpuid = cpu->dev.id; + unsigned int wake_up_idle; + + wake_up_idle = sched_get_cluster_wake_idle(cpuid); + + rc = scnprintf(buf, PAGE_SIZE-2, "%d\n", wake_up_idle); + + return rc; +} + +static ssize_t __ref store_sched_cluster_wake_idle(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct cpu *cpu = container_of(dev, struct cpu, dev); + int err; + int cpuid = cpu->dev.id; + unsigned int wake_up_idle; + + err = kstrtouint(strstrip((char *)buf), 0, &wake_up_idle); + if (err) + return err; + + err = sched_set_cluster_wake_idle(cpuid, wake_up_idle); + + if (err >= 0) + err = count; + + return err; +} + static DEVICE_ATTR(sched_static_cpu_pwr_cost, 0644, show_sched_static_cpu_pwr_cost, store_sched_static_cpu_pwr_cost); static DEVICE_ATTR(sched_static_cluster_pwr_cost, 0644, show_sched_static_cluster_pwr_cost, store_sched_static_cluster_pwr_cost); +static DEVICE_ATTR(sched_cluster_wake_up_idle, 0644, + show_sched_cluser_wake_idle, + store_sched_cluster_wake_idle); static struct attribute *hmp_sched_cpu_attrs[] = { &dev_attr_sched_static_cpu_pwr_cost.attr, &dev_attr_sched_static_cluster_pwr_cost.attr, + &dev_attr_sched_cluster_wake_up_idle.attr, NULL }; |