/**
* fw_iso_resources_destroy - destroy a resource manager
* @r: the resource manager that is no longer needed
*/
void fw_iso_resources_destroy(struct fw_iso_resources *r)
{
WARN_ON(r->allocated);
kfree(r->buffer);
mutex_destroy(&r->mutex);
fw_unit_put(r->unit);
}
static void dg00x_free(struct snd_dg00x *dg00x)
{
snd_dg00x_stream_destroy_duplex(dg00x);
snd_dg00x_transaction_unregister(dg00x);
fw_unit_put(dg00x->unit);
mutex_destroy(&dg00x->mutex);
}
static void tscm_free(struct snd_tscm *tscm)
{
snd_tscm_transaction_unregister(tscm);
snd_tscm_stream_destroy_duplex(tscm);
fw_unit_put(tscm->unit);
mutex_destroy(&tscm->mutex);
}
static void bebob_free(struct snd_bebob *bebob)
{
snd_bebob_stream_destroy_duplex(bebob);
fw_unit_put(bebob->unit);
kfree(bebob->maudio_special_quirk);
mutex_destroy(&bebob->mutex);
kfree(bebob);
}
static void motu_free(struct snd_motu *motu)
{
snd_motu_transaction_unregister(motu);
snd_motu_stream_destroy_duplex(motu);
fw_unit_put(motu->unit);
mutex_destroy(&motu->mutex);
kfree(motu);
}
/*
* This module releases the FireWire unit data after all ALSA character devices
* are released by applications. This is for releasing stream data or finishing
* transactions safely. Thus at returning from .remove(), this module still keep
* references for the unit.
*/
static void
bebob_card_free(struct snd_card *card)
{
struct snd_bebob *bebob = card->private_data;
snd_bebob_stream_destroy_duplex(bebob);
fw_unit_put(bebob->unit);
kfree(bebob->maudio_special_quirk);
if (bebob->card_index >= 0) {
mutex_lock(&devices_mutex);
clear_bit(bebob->card_index, devices_used);
mutex_unlock(&devices_mutex);
}
mutex_destroy(&bebob->mutex);
}
/*
* This module releases the FireWire unit data after all ALSA character devices
* are released by applications. This is for releasing stream data or finishing
* transactions safely. Thus at returning from .remove(), this module still keep
* references for the unit.
*/
static void oxfw_card_free(struct snd_card *card)
{
struct snd_oxfw *oxfw = card->private_data;
unsigned int i;
snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
if (oxfw->has_output)
snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
fw_unit_put(oxfw->unit);
for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
kfree(oxfw->tx_stream_formats[i]);
kfree(oxfw->rx_stream_formats[i]);
}
mutex_destroy(&oxfw->mutex);
}
static void oxfw_free(struct snd_oxfw *oxfw)
{
unsigned int i;
snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
if (oxfw->has_output)
snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
fw_unit_put(oxfw->unit);
for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
kfree(oxfw->tx_stream_formats[i]);
kfree(oxfw->rx_stream_formats[i]);
}
kfree(oxfw->spec);
mutex_destroy(&oxfw->mutex);
}
static void snd_ff_remove(struct fw_unit *unit)
{
struct snd_ff *ff = dev_get_drvdata(&unit->device);
/*
* Confirm to stop the work for registration before the sound card is
* going to be released. The work is not scheduled again because bus
* reset handler is not called anymore.
*/
cancel_work_sync(&ff->dwork.work);
if (ff->registered) {
// Block till all of ALSA character devices are released.
snd_card_free(ff->card);
}
mutex_destroy(&ff->mutex);
fw_unit_put(ff->unit);
}
/*
* This module releases the FireWire unit data after all ALSA character devices
* are released by applications. This is for releasing stream data or finishing
* transactions safely. Thus at returning from .remove(), this module still keep
* references for the unit.
*/
static void
efw_card_free(struct snd_card *card)
{
struct snd_efw *efw = card->private_data;
snd_efw_stream_destroy_duplex(efw);
snd_efw_transaction_remove_instance(efw);
fw_unit_put(efw->unit);
kfree(efw->resp_buf);
if (efw->card_index >= 0) {
mutex_lock(&devices_mutex);
clear_bit(efw->card_index, devices_used);
mutex_unlock(&devices_mutex);
}
mutex_destroy(&efw->mutex);
}
/**
* amdtp_out_stream_destroy - free stream resources
* @s: the AMDTP output stream to destroy
*/
void amdtp_out_stream_destroy(struct amdtp_out_stream *s)
{
WARN_ON(!IS_ERR(s->context));
mutex_destroy(&s->mutex);
fw_unit_put(s->unit);
}