#define SNDRV_TIMER_HW_STOP 0x00000002 /* call stop before start */
#define SNDRV_TIMER_HW_SLAVE 0x00000004 /* only slave timer (variable resolution) */
#define SNDRV_TIMER_HW_FIRST 0x00000008 /* first tick can be incomplete */
-#define SNDRV_TIMER_HW_TASKLET 0x00000010 /* timer is called from tasklet */
+#define SNDRV_TIMER_HW_WORK 0x00000010 /* timer is called from work */
#define SNDRV_TIMER_IFLG_SLAVE 0x00000001
#define SNDRV_TIMER_IFLG_RUNNING 0x00000002
#define SNDRV_TIMER_IFLG_START 0x00000004
#define SNDRV_TIMER_IFLG_AUTO 0x00000008 /* auto restart */
-#define SNDRV_TIMER_IFLG_FAST 0x00000010 /* fast callback (do not use tasklet) */
+#define SNDRV_TIMER_IFLG_FAST 0x00000010 /* fast callback (do not use work) */
#define SNDRV_TIMER_IFLG_CALLBACK 0x00000020 /* timer callback is active */
#define SNDRV_TIMER_IFLG_EXCLUSIVE 0x00000040 /* exclusive owner - no more instances */
#define SNDRV_TIMER_IFLG_EARLY_EVENT 0x00000080 /* write early event to the poll queue */
struct list_head active_list_head;
struct list_head ack_list_head;
struct list_head sack_list_head; /* slow ack list head */
- struct tasklet_struct task_queue;
+ struct work_struct task_work;
int max_instances; /* upper limit of timer instances */
int num_instances; /* current number of timer instances */
};
unsigned long ticks; /* auto-load ticks when expired */
unsigned long cticks; /* current ticks */
unsigned long pticks; /* accumulated ticks for callback */
- unsigned long resolution; /* current resolution for tasklet */
+ unsigned long resolution; /* current resolution for work */
unsigned long lost; /* lost ticks */
int slave_class;
unsigned int slave_id;
}
static const struct snd_timer_hardware hrtimer_hw __initconst = {
- .flags = SNDRV_TIMER_HW_AUTO | SNDRV_TIMER_HW_TASKLET,
+ .flags = SNDRV_TIMER_HW_AUTO | SNDRV_TIMER_HW_WORK,
.open = snd_hrtimer_open,
.close = snd_hrtimer_close,
.start = snd_hrtimer_start,
}
/*
- * timer tasklet
+ * timer work
*
*/
-static void snd_timer_tasklet(struct tasklet_struct *t)
+static void snd_timer_work(struct work_struct *work)
{
- struct snd_timer *timer = from_tasklet(timer, t, task_queue);
+ struct snd_timer *timer = container_of(work, struct snd_timer, task_work);
unsigned long flags;
if (timer->card && timer->card->shutdown) {
unsigned long resolution;
struct list_head *ack_list_head;
unsigned long flags;
- int use_tasklet = 0;
+ bool use_work = false;
if (timer == NULL)
return;
--timer->running;
list_del_init(&ti->active_list);
}
- if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
+ if ((timer->hw.flags & SNDRV_TIMER_HW_WORK) ||
(ti->flags & SNDRV_TIMER_IFLG_FAST))
ack_list_head = &timer->ack_list_head;
else
snd_timer_process_callbacks(timer, &timer->ack_list_head);
/* do we have any slow callbacks? */
- use_tasklet = !list_empty(&timer->sack_list_head);
+ use_work = !list_empty(&timer->sack_list_head);
spin_unlock_irqrestore(&timer->lock, flags);
- if (use_tasklet)
- tasklet_schedule(&timer->task_queue);
+ if (use_work)
+ queue_work(system_highpri_wq, &timer->task_work);
}
EXPORT_SYMBOL(snd_timer_interrupt);
INIT_LIST_HEAD(&timer->ack_list_head);
INIT_LIST_HEAD(&timer->sack_list_head);
spin_lock_init(&timer->lock);
- tasklet_setup(&timer->task_queue, snd_timer_tasklet);
+ INIT_WORK(&timer->task_work, snd_timer_work);
timer->max_instances = 1000; /* default limit per timer */
if (card != NULL) {
timer->module = card->module;
static const struct snd_timer_hardware snd_timer_system =
{
- .flags = SNDRV_TIMER_HW_FIRST | SNDRV_TIMER_HW_TASKLET,
+ .flags = SNDRV_TIMER_HW_FIRST | SNDRV_TIMER_HW_WORK,
.resolution = 1000000000L / HZ,
.ticks = 10000000L,
.close = snd_timer_s_close,