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authorTakashi Sakamoto <o-takashi@sakamocchi.jp>2021-06-10 12:17:33 +0900
committerTakashi Iwai <tiwai@suse.de>2021-06-10 09:50:37 +0200
commitb5b519965c4c364ae65c49fe9f11d222dd70a9c2 (patch)
treea540dd408d5dc158bab55fe50df80f0ad78caf96
parent7ba5ca32fe6e8d2e153fb5602997336517b34743 (diff)
downloadlinux-b5b519965c4c364ae65c49fe9f11d222dd70a9c2.tar.gz
ALSA: firewire-lib: obsolete workqueue for period update
The workqueue to notify PCM period elapse is not used anymore.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210610031733.56297-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/firewire/amdtp-stream.c15
-rw-r--r--sound/firewire/amdtp-stream.h1
2 files changed, 0 insertions, 16 deletions
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
index 426a85b56cf1..1d9bc7b07df1 100644
--- a/sound/firewire/amdtp-stream.c
+++ b/sound/firewire/amdtp-stream.c
@@ -77,8 +77,6 @@
 // overrun. Actual device can skip more, then this module stops the packet streaming.
 #define IR_JUMBO_PAYLOAD_MAX_SKIP_CYCLES	5
 
-static void pcm_period_work(struct work_struct *work);
-
 /**
  * amdtp_stream_init - initialize an AMDTP stream structure
  * @s: the AMDTP stream to initialize
@@ -107,7 +105,6 @@ int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit,
 	s->flags = flags;
 	s->context = ERR_PTR(-1);
 	mutex_init(&s->mutex);
-	INIT_WORK(&s->period_work, pcm_period_work);
 	s->packet_index = 0;
 
 	init_waitqueue_head(&s->ready_wait);
@@ -346,7 +343,6 @@ EXPORT_SYMBOL(amdtp_stream_get_max_payload);
  */
 void amdtp_stream_pcm_prepare(struct amdtp_stream *s)
 {
-	cancel_work_sync(&s->period_work);
 	s->pcm_buffer_pointer = 0;
 	s->pcm_period_pointer = 0;
 }
@@ -626,16 +622,6 @@ static void update_pcm_pointers(struct amdtp_stream *s,
 	}
 }
 
-static void pcm_period_work(struct work_struct *work)
-{
-	struct amdtp_stream *s = container_of(work, struct amdtp_stream,
-					      period_work);
-	struct snd_pcm_substream *pcm = READ_ONCE(s->pcm);
-
-	if (pcm)
-		snd_pcm_period_elapsed(pcm);
-}
-
 static int queue_packet(struct amdtp_stream *s, struct fw_iso_packet *params,
 			bool sched_irq)
 {
@@ -1808,7 +1794,6 @@ static void amdtp_stream_stop(struct amdtp_stream *s)
 		return;
 	}
 
-	cancel_work_sync(&s->period_work);
 	fw_iso_context_stop(s->context);
 	fw_iso_context_destroy(s->context);
 	s->context = ERR_PTR(-1);
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index b25592d5f6af..1f957c946c95 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -186,7 +186,6 @@ struct amdtp_stream {
 
 	/* For a PCM substream processing. */
 	struct snd_pcm_substream *pcm;
-	struct work_struct period_work;
 	snd_pcm_uframes_t pcm_buffer_pointer;
 	unsigned int pcm_period_pointer;