diff options
| -rw-r--r-- | sound/firewire/amdtp-stream.c | 24 | ||||
| -rw-r--r-- | sound/firewire/amdtp-stream.h | 3 | ||||
| -rw-r--r-- | sound/firewire/bebob/bebob_pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/dice/dice-pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/digi00x/digi00x-pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/fireface/ff-pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/fireworks/fireworks_pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/motu/motu-pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/oxfw/oxfw-pcm.c | 4 | ||||
| -rw-r--r-- | sound/firewire/tascam/tascam-pcm.c | 4 |
10 files changed, 33 insertions, 26 deletions
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 23677b805b05..3d27d4ce2b45 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -1139,23 +1139,29 @@ unsigned long amdtp_domain_stream_pcm_pointer(struct amdtp_domain *d, EXPORT_SYMBOL_GPL(amdtp_domain_stream_pcm_pointer); /** - * amdtp_stream_pcm_ack - acknowledge queued PCM frames + * amdtp_domain_stream_pcm_ack - acknowledge queued PCM frames + * @d: the AMDTP domain. * @s: the AMDTP stream that transfers the PCM frames * * Returns zero always. */ -int amdtp_stream_pcm_ack(struct amdtp_stream *s) +int amdtp_domain_stream_pcm_ack(struct amdtp_domain *d, struct amdtp_stream *s) { - /* - * Process isochronous packets for recent isochronous cycle to handle - * queued PCM frames. - */ - if (amdtp_stream_running(s)) - fw_iso_context_flush_completions(s->context); + struct amdtp_stream *irq_target = d->irq_target; + + // Process isochronous packets for recent isochronous cycle to handle + // queued PCM frames. + if (irq_target && amdtp_stream_running(irq_target)) { + // Queued packet should be processed without any kernel + // preemption to keep latency against bus cycle. + preempt_disable(); + fw_iso_context_flush_completions(irq_target->context); + preempt_enable(); + } return 0; } -EXPORT_SYMBOL(amdtp_stream_pcm_ack); +EXPORT_SYMBOL_GPL(amdtp_domain_stream_pcm_ack); /** * amdtp_stream_update - update the stream after a bus reset diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index ba0bbeddfdcb..470e77ca0061 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -198,7 +198,6 @@ int amdtp_stream_add_pcm_hw_constraints(struct amdtp_stream *s, struct snd_pcm_runtime *runtime); void amdtp_stream_pcm_prepare(struct amdtp_stream *s); -int amdtp_stream_pcm_ack(struct amdtp_stream *s); void amdtp_stream_pcm_abort(struct amdtp_stream *s); extern const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT]; @@ -303,4 +302,6 @@ static inline int amdtp_domain_set_events_per_period(struct amdtp_domain *d, unsigned long amdtp_domain_stream_pcm_pointer(struct amdtp_domain *d, struct amdtp_stream *s); +int amdtp_domain_stream_pcm_ack(struct amdtp_domain *d, struct amdtp_stream *s); + #endif diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index dc15ea8d0dc5..1b100159f4c5 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -332,14 +332,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; - return amdtp_stream_pcm_ack(&bebob->tx_stream); + return amdtp_domain_stream_pcm_ack(&bebob->domain, &bebob->tx_stream); } static int pcm_playback_ack(struct snd_pcm_substream *substream) { struct snd_bebob *bebob = substream->private_data; - return amdtp_stream_pcm_ack(&bebob->rx_stream); + return amdtp_domain_stream_pcm_ack(&bebob->domain, &bebob->rx_stream); } int snd_bebob_create_pcm_devices(struct snd_bebob *bebob) diff --git a/sound/firewire/dice/dice-pcm.c b/sound/firewire/dice/dice-pcm.c index 81b78e7d181d..f1848fb39bd0 100644 --- a/sound/firewire/dice/dice-pcm.c +++ b/sound/firewire/dice/dice-pcm.c @@ -394,7 +394,7 @@ static int capture_ack(struct snd_pcm_substream *substream) struct snd_dice *dice = substream->private_data; struct amdtp_stream *stream = &dice->tx_stream[substream->pcm->device]; - return amdtp_stream_pcm_ack(stream); + return amdtp_domain_stream_pcm_ack(&dice->domain, stream); } static int playback_ack(struct snd_pcm_substream *substream) @@ -402,7 +402,7 @@ static int playback_ack(struct snd_pcm_substream *substream) struct snd_dice *dice = substream->private_data; struct amdtp_stream *stream = &dice->rx_stream[substream->pcm->device]; - return amdtp_stream_pcm_ack(stream); + return amdtp_domain_stream_pcm_ack(&dice->domain, stream); } int snd_dice_create_pcm(struct snd_dice *dice) diff --git a/sound/firewire/digi00x/digi00x-pcm.c b/sound/firewire/digi00x/digi00x-pcm.c index f6a2053d5f10..8befc5d2ef22 100644 --- a/sound/firewire/digi00x/digi00x-pcm.c +++ b/sound/firewire/digi00x/digi00x-pcm.c @@ -315,14 +315,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream) { struct snd_dg00x *dg00x = substream->private_data; - return amdtp_stream_pcm_ack(&dg00x->tx_stream); + return amdtp_domain_stream_pcm_ack(&dg00x->domain, &dg00x->tx_stream); } static int pcm_playback_ack(struct snd_pcm_substream *substream) { struct snd_dg00x *dg00x = substream->private_data; - return amdtp_stream_pcm_ack(&dg00x->rx_stream); + return amdtp_domain_stream_pcm_ack(&dg00x->domain, &dg00x->rx_stream); } int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x) diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c index 5af1dce90921..c29f87a65c0f 100644 --- a/sound/firewire/fireface/ff-pcm.c +++ b/sound/firewire/fireface/ff-pcm.c @@ -355,14 +355,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream) { struct snd_ff *ff = substream->private_data; - return amdtp_stream_pcm_ack(&ff->tx_stream); + return amdtp_domain_stream_pcm_ack(&ff->domain, &ff->tx_stream); } static int pcm_playback_ack(struct snd_pcm_substream *substream) { struct snd_ff *ff = substream->private_data; - return amdtp_stream_pcm_ack(&ff->rx_stream); + return amdtp_domain_stream_pcm_ack(&ff->domain, &ff->rx_stream); } int snd_ff_create_pcm_devices(struct snd_ff *ff) diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c index 71f5057caa0d..64c1bcf28dfa 100644 --- a/sound/firewire/fireworks/fireworks_pcm.c +++ b/sound/firewire/fireworks/fireworks_pcm.c @@ -362,14 +362,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream) { struct snd_efw *efw = substream->private_data; - return amdtp_stream_pcm_ack(&efw->tx_stream); + return amdtp_domain_stream_pcm_ack(&efw->domain, &efw->tx_stream); } static int pcm_playback_ack(struct snd_pcm_substream *substream) { struct snd_efw *efw = substream->private_data; - return amdtp_stream_pcm_ack(&efw->rx_stream); + return amdtp_domain_stream_pcm_ack(&efw->domain, &efw->rx_stream); } int snd_efw_create_pcm_devices(struct snd_efw *efw) diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c index 13e2577c2a07..55d3d6661731 100644 --- a/sound/firewire/motu/motu-pcm.c +++ b/sound/firewire/motu/motu-pcm.c @@ -333,14 +333,14 @@ static int capture_ack(struct snd_pcm_substream *substream) { struct snd_motu *motu = substream->private_data; - return amdtp_stream_pcm_ack(&motu->tx_stream); + return amdtp_domain_stream_pcm_ack(&motu->domain, &motu->tx_stream); } static int playback_ack(struct snd_pcm_substream *substream) { struct snd_motu *motu = substream->private_data; - return amdtp_stream_pcm_ack(&motu->rx_stream); + return amdtp_domain_stream_pcm_ack(&motu->domain, &motu->rx_stream); } int snd_motu_create_pcm_devices(struct snd_motu *motu) diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c index 3be35dfcf270..74bd1811cec2 100644 --- a/sound/firewire/oxfw/oxfw-pcm.c +++ b/sound/firewire/oxfw/oxfw-pcm.c @@ -406,14 +406,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream) { struct snd_oxfw *oxfw = substream->private_data; - return amdtp_stream_pcm_ack(&oxfw->tx_stream); + return amdtp_domain_stream_pcm_ack(&oxfw->domain, &oxfw->tx_stream); } static int pcm_playback_ack(struct snd_pcm_substream *substream) { struct snd_oxfw *oxfw = substream->private_data; - return amdtp_stream_pcm_ack(&oxfw->rx_stream); + return amdtp_domain_stream_pcm_ack(&oxfw->domain, &oxfw->rx_stream); } int snd_oxfw_create_pcm(struct snd_oxfw *oxfw) diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c index 1f66c8be7528..cd45f20ba515 100644 --- a/sound/firewire/tascam/tascam-pcm.c +++ b/sound/firewire/tascam/tascam-pcm.c @@ -244,14 +244,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream) { struct snd_tscm *tscm = substream->private_data; - return amdtp_stream_pcm_ack(&tscm->tx_stream); + return amdtp_domain_stream_pcm_ack(&tscm->domain, &tscm->tx_stream); } static int pcm_playback_ack(struct snd_pcm_substream *substream) { struct snd_tscm *tscm = substream->private_data; - return amdtp_stream_pcm_ack(&tscm->rx_stream); + return amdtp_domain_stream_pcm_ack(&tscm->domain, &tscm->rx_stream); } int snd_tscm_create_pcm_devices(struct snd_tscm *tscm) |