struct generic_pm_domain *dev_to_genpd(struct device *dev)
{
if (IS_ERR_OR_NULL(dev->pm_domain))
return ERR_PTR(-EINVAL);
return pd_to_genpd(dev->pm_domain);
}
static bool scpsys_active_wakeup(struct device *dev)
{
struct generic_pm_domain *genpd;
struct scp_domain *scpd;
genpd = pd_to_genpd(dev->pm_domain);
scpd = container_of(genpd, struct scp_domain, genpd);
return scpd->data->active_wakeup;
}
static ssize_t railgate_delay_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct gk20a_platform *platform = dev_get_drvdata(dev);
int railgate_delay = 0, ret = 0;
if (!platform->can_railgate) {
dev_info(dev, "does not support power-gating\n");
return count;
}
ret = sscanf(buf, "%d", &railgate_delay);
if (ret == 1 && railgate_delay >= 0) {
struct generic_pm_domain *genpd = pd_to_genpd(dev->pm_domain);
platform->railgate_delay = railgate_delay;
pm_genpd_set_poweroff_delay(genpd, platform->railgate_delay);
} else
dev_err(dev, "Invalid powergate delay\n");
return count;
}
