static void powerdown_handler(struct work_struct *work)
{
struct nvhost_module *mod;
mod = container_of(to_delayed_work(work),
struct nvhost_module,
powerdown);
mutex_lock(&mod->lock);
if ((atomic_read(&mod->refcount) == 0) && mod->powered) {
if (mod->desc->prepare_poweroff
&& mod->desc->prepare_poweroff(mod)) {
/* If poweroff fails, retry */
mutex_unlock(&mod->lock);
schedule_delayed_work(&mod->powerdown,
msecs_to_jiffies(
mod->desc->powerdown_delay));
return;
}
clock_disable(mod);
powergate(mod);
mod->powered = false;
if (mod->parent)
nvhost_module_idle(mod->parent);
}
mutex_unlock(&mod->lock);
}
static void powerdown_handler(struct work_struct *work)
{
struct nvhost_module *mod;
mod = container_of(to_delayed_work(work),
struct nvhost_module,
powerdown);
mutex_lock(&mod->lock);
if ((atomic_read(&mod->refcount) == 0) && mod->powered) {
if (mod->desc->prepare_poweroff)
mod->desc->prepare_poweroff(mod);
clock_disable(mod);
powergate(mod);
mod->powered = false;
if (mod->parent)
nvhost_module_idle(mod->parent);
}
mutex_unlock(&mod->lock);
}
