ALSA: ua101: convert tasklets to use new tasklet_setup() API (07da90b0) · Commits · 戴 / test

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/20200902040221.354941-11-allen.lkml@gmail.com Signed-off-by:

Takashi Iwai <tiwai@suse.de>

sound/usb/misc/ua101.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -247,9 +247,9 @@ static inline void add_with_wraparound(struct ua101 *ua,
		*value -= ua->playback.queue_length;
		}

		static void playback_tasklet(unsigned long data)
		static void playback_tasklet(struct tasklet_struct *t)
		{
		struct ua101 ua = (void )data;
		struct ua101 *ua = from_tasklet(ua, t, playback_tasklet);
		unsigned long flags;
		unsigned int frames;
		struct ua101_urb *urb;
		@@ -1218,8 +1218,7 @@ static int ua101_probe(struct usb_interface *interface,
		spin_lock_init(&ua->lock);
		mutex_init(&ua->mutex);
		INIT_LIST_HEAD(&ua->ready_playback_urbs);
		tasklet_init(&ua->playback_tasklet,
		playback_tasklet, (unsigned long)ua);
		tasklet_setup(&ua->playback_tasklet, playback_tasklet);
		init_waitqueue_head(&ua->alsa_capture_wait);
		init_waitqueue_head(&ua->rate_feedback_wait);
		init_waitqueue_head(&ua->alsa_playback_wait);

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