int init_display_pm(struct display_driver *dispdrv)
{
init_display_pm_status(dispdrv);
spin_lock_init(&dispdrv->pm_status.slock);
mutex_init(&dispdrv->pm_status.pm_lock);
mutex_init(&dispdrv->pm_status.clk_lock);
#ifdef CONFIG_FB_HIBERNATION_DISPLAY
set_default_hibernation_mode(dispdrv);
#else
dispdrv->pm_status.clock_gating_on = false;
dispdrv->pm_status.power_gating_on = false;
dispdrv->pm_status.hotplug_gating_on = false;
#endif
init_kthread_worker(&dispdrv->pm_status.control_clock_gating);
dispdrv->pm_status.control_clock_gating_thread = kthread_run(kthread_worker_fn,
&dispdrv->pm_status.control_clock_gating,
"decon_clk_thread");
if (IS_ERR(dispdrv->pm_status.control_clock_gating_thread)) {
int err = PTR_ERR(dispdrv->pm_status.control_clock_gating_thread);
dispdrv->pm_status.control_clock_gating_thread = NULL;
pr_err("failed to run control_clock_gating_thread\n");
return err;
}
init_kthread_work(&dispdrv->pm_status.control_clock_gating_work,
decon_clock_gating_handler);
init_kthread_worker(&dispdrv->pm_status.control_power_gating);
dispdrv->pm_status.control_power_gating_thread = kthread_run(kthread_worker_fn,
&dispdrv->pm_status.control_power_gating,
"decon_power_thread");
if (IS_ERR(dispdrv->pm_status.control_power_gating_thread)) {
int err = PTR_ERR(dispdrv->pm_status.control_power_gating_thread);
dispdrv->pm_status.control_power_gating_thread = NULL;
pr_err("failed to run control_power_gating_thread\n");
return err;
}
init_kthread_work(&dispdrv->pm_status.control_power_gating_work,
decon_power_gating_handler);
#ifdef CONFIG_FB_HIBERNATION_DISPLAY
dispdrv->pm_status.ops = &display_block_ops;
dispdrv->decon_driver.ops = &decon_pm_ops;
dispdrv->dsi_driver.ops = &dsi_pm_ops;
#ifdef CONFIG_DECON_MIC
dispdrv->mic_driver.ops = &mic_pm_ops;
#endif
#endif
return 0;
}
static struct mcuio_soft_hc *__setup_shc(const struct mcuio_soft_hc_ops *ops,
void *priv)
{
struct mcuio_soft_hc *shc = kzalloc(sizeof(*shc), GFP_KERNEL);
if (!shc)
return ERR_PTR(-ENOMEM);
init_kthread_worker(&shc->irq_kworker);
shc->irq_kworker_task = kthread_run(kthread_worker_fn,
&shc->irq_kworker,
"shc_irq");
if (IS_ERR(shc->irq_kworker_task)) {
pr_err("failed to create irq tsk for shc\n");
return ERR_PTR(PTR_ERR(shc->irq_kworker_task));
}
init_kthread_work(&shc->do_irq, __do_irq);
shc->ops = ops;
shc->priv = priv;
shc->rx_circ_buf.head = shc->rx_circ_buf.tail = 0;
shc->rx_circ_buf.buf = shc->rx_buf;
shc->chip.name = "MCUIO-SHC";
shc->chip.irq_mask = mcuio_soft_hc_irq_mask;
shc->chip.irq_unmask = mcuio_soft_hc_irq_unmask;
shc->irqno = irq_alloc_desc(0);
irq_set_chip(shc->irqno, &shc->chip);
irq_set_handler(shc->irqno, &handle_simple_irq);
irq_modify_status(shc->irqno,
IRQ_NOREQUEST | IRQ_NOAUTOEN,
IRQ_NOPROBE);
return shc;
}
/**
* rvt_driver_cq_init - Init cq resources on behalf of driver
* @rdi: rvt dev structure
*
* Return: 0 on success
*/
int rvt_driver_cq_init(struct rvt_dev_info *rdi)
{
int ret = 0;
int cpu;
struct task_struct *task;
if (rdi->worker)
return 0;
spin_lock_init(&rdi->n_cqs_lock);
rdi->worker = kzalloc(sizeof(*rdi->worker), GFP_KERNEL);
if (!rdi->worker)
return -ENOMEM;
init_kthread_worker(rdi->worker);
task = kthread_create_on_node(
kthread_worker_fn,
rdi->worker,
rdi->dparms.node,
"%s", rdi->dparms.cq_name);
if (IS_ERR(task)) {
kfree(rdi->worker);
rdi->worker = NULL;
return PTR_ERR(task);
}
set_user_nice(task, MIN_NICE);
cpu = cpumask_first(cpumask_of_node(rdi->dparms.node));
kthread_bind(task, cpu);
wake_up_process(task);
return ret;
}
/*
* Fully initialize a .request_fn request-based queue.
*/
int dm_old_init_request_queue(struct mapped_device *md)
{
/* Fully initialize the queue */
if (!blk_init_allocated_queue(md->queue, dm_old_request_fn, NULL))
return -EINVAL;
/* disable dm_old_request_fn's merge heuristic by default */
md->seq_rq_merge_deadline_usecs = 0;
dm_init_normal_md_queue(md);
blk_queue_softirq_done(md->queue, dm_softirq_done);
blk_queue_prep_rq(md->queue, dm_old_prep_fn);
/* Initialize the request-based DM worker thread */
init_kthread_worker(&md->kworker);
md->kworker_task = kthread_run(kthread_worker_fn, &md->kworker,
"kdmwork-%s", dm_device_name(md));
elv_register_queue(md->queue);
return 0;
}
static int __devinit bq2419x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct bq2419x_chip *bq2419x;
struct bq2419x_platform_data *pdata;
int ret = 0;
pdata = client->dev.platform_data;
if (!pdata) {
dev_err(&client->dev, "No Platform data");
return -EINVAL;
}
bq2419x = devm_kzalloc(&client->dev, sizeof(*bq2419x), GFP_KERNEL);
if (!bq2419x) {
dev_err(&client->dev, "Memory allocation failed\n");
return -ENOMEM;
}
bq2419x->regmap = devm_regmap_init_i2c(client, &bq2419x_regmap_config);
if (IS_ERR(bq2419x->regmap)) {
ret = PTR_ERR(bq2419x->regmap);
dev_err(&client->dev, "regmap init failed with err %d\n", ret);
return ret;
}
bq2419x->dev = &client->dev;
if (pdata->bcharger_pdata) {
bq2419x->update_status = pdata->bcharger_pdata->update_status;
bq2419x->rtc_alarm_time = pdata->bcharger_pdata->rtc_alarm_time;
bq2419x->wdt_time_sec = pdata->bcharger_pdata->wdt_timeout;
bq2419x->chg_restart_time =
pdata->bcharger_pdata->chg_restart_time;
bq2419x->chg_enable = true;
}
bq2419x->wdt_refresh_timeout = 25;
i2c_set_clientdata(client, bq2419x);
bq2419x->irq = client->irq;
if (bq2419x->rtc_alarm_time)
bq2419x->rtc = alarmtimer_get_rtcdev();
mutex_init(&bq2419x->mutex);
bq2419x->suspended = 0;
bq2419x->chg_restart_timeout = 0;
ret = bq2419x_show_chip_version(bq2419x);
if (ret < 0) {
dev_err(&client->dev, "version read failed %d\n", ret);
return ret;
}
ret = bq2419x_charger_init(bq2419x);
if (ret < 0) {
dev_err(bq2419x->dev, "Charger init failed: %d\n", ret);
return ret;
}
ret = bq2419x_init_charger_regulator(bq2419x, pdata);
if (ret < 0) {
dev_err(&client->dev,
"Charger regualtor init failed %d\n", ret);
return ret;
}
ret = bq2419x_init_vbus_regulator(bq2419x, pdata);
if (ret < 0) {
dev_err(&client->dev,
"VBUS regualtor init failed %d\n", ret);
goto scrub_chg_reg;
}
init_kthread_worker(&bq2419x->bq_kworker);
bq2419x->bq_kworker_task = kthread_run(kthread_worker_fn,
&bq2419x->bq_kworker,
dev_name(bq2419x->dev));
if (IS_ERR(bq2419x->bq_kworker_task)) {
ret = PTR_ERR(bq2419x->bq_kworker_task);
dev_err(&client->dev, "Kworker task creation failed %d\n", ret);
goto scrub_vbus_reg;
}
init_kthread_work(&bq2419x->bq_wdt_work, bq2419x_work_thread);
sched_setscheduler(bq2419x->bq_kworker_task,
SCHED_FIFO, &bq2419x_param);
queue_kthread_work(&bq2419x->bq_kworker, &bq2419x->bq_wdt_work);
ret = bq2419x_watchdog_init(bq2419x, bq2419x->wdt_time_sec, "PROBE");
if (ret < 0) {
dev_err(bq2419x->dev, "BQWDT init failed %d\n", ret);
goto scrub_kthread;
}
ret = bq2419x_fault_clear_sts(bq2419x);
if (ret < 0) {
dev_err(bq2419x->dev, "fault clear status failed %d\n", ret);
goto scrub_kthread;
}
ret = request_threaded_irq(bq2419x->irq, NULL,
bq2419x_irq, IRQF_TRIGGER_FALLING,
dev_name(bq2419x->dev), bq2419x);
if (ret < 0) {
dev_err(bq2419x->dev, "request IRQ %d fail, err = %d\n",
bq2419x->irq, ret);
goto scrub_kthread;
}
/* enable charging */
ret = bq2419x_charger_enable(bq2419x);
if (ret < 0)
goto scrub_irq;
return 0;
scrub_irq:
free_irq(bq2419x->irq, bq2419x);
scrub_kthread:
bq2419x->stop_thread = true;
flush_kthread_worker(&bq2419x->bq_kworker);
kthread_stop(bq2419x->bq_kworker_task);
scrub_vbus_reg:
regulator_unregister(bq2419x->vbus_rdev);
scrub_chg_reg:
regulator_unregister(bq2419x->chg_rdev);
mutex_destroy(&bq2419x->mutex);
return ret;
}
int fimc_is_lib_vra_init_task(struct fimc_is_lib_vra *lib_vra)
{
s32 ret = 0, cnt = 0;
struct sched_param param = {.sched_priority = 0};
if (unlikely(!lib_vra)) {
err_lib("VRA library is NULL");
return -EINVAL;
}
spin_lock_init(&lib_vra->task_vra.work_lock);
init_kthread_worker(&lib_vra->task_vra.worker);
lib_vra->task_vra.task = kthread_run(kthread_worker_fn,
&lib_vra->task_vra.worker, "fimc_is_lib_vra");
if (unlikely(!lib_vra->task_vra.task)) {
err_lib("failed to create VRA task");
return -ENOMEM;
}
ret = sched_setscheduler_nocheck(lib_vra->task_vra.task,
SCHED_NORMAL, ¶m);
if (ret) {
err("sched_setscheduler_nocheck is fail(%d)", ret);
return ret;
}
lib_vra->task_vra.work_index = 0;
for (cnt = 0; cnt < FIMC_IS_MAX_TASK; cnt++) {
lib_vra->task_vra.work[cnt].func = NULL;
lib_vra->task_vra.work[cnt].params = NULL;
init_kthread_work(&lib_vra->task_vra.work[cnt].work,
fimc_is_lib_vra_task_work);
}
return 0;
}
void fimc_is_lib_vra_control_set_event(u32 event_type)
{
int ret;
struct fimc_is_lib_vra *lib_vra;
if (unlikely(!g_lib_vra)) {
err_lib("VRA library is NULL");
return;
}
lib_vra = g_lib_vra;
switch (event_type) {
case CTRL_TASK_SET_CH0_INT:
lib_vra->ctl_task_type = CTRL_TASK_SET_CH0_INT;
fimc_is_lib_vra_task_trigger(lib_vra,
fimc_is_lib_vra_invoke_contol_event);
break;
case CTRL_TASK_SET_CH1_INT:
lib_vra->ctl_task_type = CTRL_TASK_SET_CH1_INT;
fimc_is_lib_vra_task_trigger(lib_vra,
fimc_is_lib_vra_invoke_contol_event);
break;
case CTRL_TASK_SET_NEWFR:
lib_vra->ctl_task_type = CTRL_TASK_SET_NEWFR;
ret = fimc_is_lib_vra_invoke_contol_event(lib_vra);
if (ret) {
err_lib("vra control set is fail(%#x)", ret);
return;
}
break;
case CTRL_TASK_SET_ABORT:
lib_vra->ctl_task_type = CTRL_TASK_SET_ABORT;
ret = fimc_is_lib_vra_invoke_contol_event(lib_vra);
if (ret) {
err_lib("vra control set is fail(%d)", ret);
return;
}
break;
case CTRL_TASK_SET_FWALGS:
lib_vra->ctl_task_type = CTRL_TASK_SET_FWALGS;
fimc_is_lib_vra_task_trigger(lib_vra,
fimc_is_lib_vra_invoke_contol_event);
break;
default:
err_lib("vra_control_set_event is undefine (%d)", event_type);
break;
}
}