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ALSA: firewire: Remove unused cmp_connection_update

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cmp_connection_update() has been unused since 2019's commit
7eb7b18e9f ("ALSA: fireworks: code refactoring for bus reset handler")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20241009003653.254753-1-linux@treblig.org
This commit is contained in:
Dr. David Alan Gilbert 2024-10-09 01:36:53 +01:00 committed by Takashi Iwai
parent 504f052aa3
commit 1e280053dd
2 changed files with 0 additions and 48 deletions
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47
sound/firewire/cmp.c
View File

@ -333,53 +333,6 @@ int cmp_connection_establish(struct cmp_connection *c)
}
EXPORT_SYMBOL(cmp_connection_establish);
/**
* cmp_connection_update - update the connection after a bus reset
* @c: the connection manager
*
* This function must be called from the driver's .update handler to
* reestablish any connection that might have been active.
*
* Returns zero on success, or a negative error code. On an error, the
* connection is broken and the caller must stop transmitting iso packets.
*/
int cmp_connection_update(struct cmp_connection *c)
{
int err;
mutex_lock(&c->mutex);
if (!c->connected) {
mutex_unlock(&c->mutex);
return 0;
}
err = fw_iso_resources_update(&c->resources);
if (err < 0)
goto err_unconnect;
if (c->direction == CMP_OUTPUT)
err = pcr_modify(c, opcr_set_modify, pcr_set_check,
SUCCEED_ON_BUS_RESET);
else
err = pcr_modify(c, ipcr_set_modify, pcr_set_check,
SUCCEED_ON_BUS_RESET);
if (err < 0)
goto err_unconnect;
mutex_unlock(&c->mutex);
return 0;
err_unconnect:
c->connected = false;
mutex_unlock(&c->mutex);
return err;
}
EXPORT_SYMBOL(cmp_connection_update);
static __be32 pcr_break_modify(struct cmp_connection *c, __be32 pcr)
{
return pcr & ~cpu_to_be32(PCR_BCAST_CONN | PCR_P2P_CONN_MASK);

1
sound/firewire/cmp.h
View File

@ -47,7 +47,6 @@ int cmp_connection_reserve(struct cmp_connection *connection,
void cmp_connection_release(struct cmp_connection *connection);
int cmp_connection_establish(struct cmp_connection *connection);
int cmp_connection_update(struct cmp_connection *connection);
void cmp_connection_break(struct cmp_connection *connection);
#endif