diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
index 72b04214a3b5..3a5579cb3aa8 100644
--- a/sound/firewire/bebob/bebob.c
+++ b/sound/firewire/bebob/bebob.c
@@ -374,8 +374,8 @@ static void bebob_remove(struct fw_unit *unit)
 	cancel_delayed_work_sync(&bebob->dwork);
 
 	if (bebob->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(bebob->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(bebob->card);
 	} else {
 		/* Don't forget this case. */
 		bebob_free(bebob);
diff --git a/sound/firewire/digi00x/digi00x.c b/sound/firewire/digi00x/digi00x.c
index 654420f1c9bd..554d7ff737a2 100644
--- a/sound/firewire/digi00x/digi00x.c
+++ b/sound/firewire/digi00x/digi00x.c
@@ -172,8 +172,8 @@ static void snd_dg00x_remove(struct fw_unit *unit)
 	cancel_delayed_work_sync(&dg00x->dwork);
 
 	if (dg00x->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(dg00x->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(dg00x->card);
 	} else {
 		/* Don't forget this case. */
 		dg00x_free(dg00x);
diff --git a/sound/firewire/fireface/ff.c b/sound/firewire/fireface/ff.c
index 98731bd8816f..73425dfe63bf 100644
--- a/sound/firewire/fireface/ff.c
+++ b/sound/firewire/fireface/ff.c
@@ -145,8 +145,8 @@ static void snd_ff_remove(struct fw_unit *unit)
 	cancel_work_sync(&ff->dwork.work);
 
 	if (ff->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(ff->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(ff->card);
 	} else {
 		/* Don't forget this case. */
 		ff_free(ff);
diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c
index f680e2f27806..5a17ead86e61 100644
--- a/sound/firewire/fireworks/fireworks.c
+++ b/sound/firewire/fireworks/fireworks.c
@@ -358,8 +358,8 @@ static void efw_remove(struct fw_unit *unit)
 	cancel_delayed_work_sync(&efw->dwork);
 
 	if (efw->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(efw->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(efw->card);
 	} else {
 		/* Don't forget this case. */
 		efw_free(efw);
diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
index 30957477e005..1f591c8805ea 100644
--- a/sound/firewire/isight.c
+++ b/sound/firewire/isight.c
@@ -703,7 +703,8 @@ static void isight_remove(struct fw_unit *unit)
 	isight_stop_streaming(isight);
 	mutex_unlock(&isight->mutex);
 
-	snd_card_free_when_closed(isight->card);
+	// Block till all of ALSA character devices are released.
+	snd_card_free(isight->card);
 }
 
 static const struct ieee1394_device_id isight_id_table[] = {
diff --git a/sound/firewire/motu/motu.c b/sound/firewire/motu/motu.c
index fd5726424c7a..12680c85b37f 100644
--- a/sound/firewire/motu/motu.c
+++ b/sound/firewire/motu/motu.c
@@ -172,8 +172,8 @@ static void motu_remove(struct fw_unit *unit)
 	cancel_delayed_work_sync(&motu->dwork);
 
 	if (motu->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(motu->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(motu->card);
 	} else {
 		/* Don't forget this case. */
 		motu_free(motu);
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 6ac551786b93..36f905b371e6 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -327,8 +327,8 @@ static void oxfw_remove(struct fw_unit *unit)
 	cancel_delayed_work_sync(&oxfw->dwork);
 
 	if (oxfw->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(oxfw->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(oxfw->card);
 	} else {
 		/* Don't forget this case. */
 		oxfw_free(oxfw);
diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c
index 53f20153ba71..6f7aaa8c84aa 100644
--- a/sound/firewire/tascam/tascam.c
+++ b/sound/firewire/tascam/tascam.c
@@ -212,8 +212,8 @@ static void snd_tscm_remove(struct fw_unit *unit)
 	cancel_delayed_work_sync(&tscm->dwork);
 
 	if (tscm->registered) {
-		/* No need to wait for releasing card object in this context. */
-		snd_card_free_when_closed(tscm->card);
+		// Block till all of ALSA character devices are released.
+		snd_card_free(tscm->card);
 	} else {
 		/* Don't forget this case. */
 		tscm_free(tscm);