ALSA: core: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200902040221.354941-2-allen.lkml@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/timer.c b/sound/core/timer.c
index d9f85f2..6e27d87 100644 (file)
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -816,9 +816,9 @@ static void snd_timer_clear_callbacks(struct snd_timer *timer,
  * timer tasklet
  *
  */
-static void snd_timer_tasklet(unsigned long arg)
+static void snd_timer_tasklet(struct tasklet_struct *t)
 {
-       struct snd_timer *timer = (struct snd_timer *) arg;
+       struct snd_timer *timer = from_tasklet(timer, t, task_queue);
        unsigned long flags;
 
        if (timer->card && timer->card->shutdown) {
@@ -967,8 +967,7 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
        INIT_LIST_HEAD(&timer->ack_list_head);
        INIT_LIST_HEAD(&timer->sack_list_head);
        spin_lock_init(&timer->lock);
-       tasklet_init(&timer->task_queue, snd_timer_tasklet,
-                    (unsigned long)timer);
+       tasklet_setup(&timer->task_queue, snd_timer_tasklet);
        timer->max_instances = 1000; /* default limit per timer */
        if (card != NULL) {
                timer->module = card->module;