First add the init_completion() and complete() calls to test their symmetry.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- drivers/soundwire/bus.c | 19 +++++++++++++++++++ drivers/soundwire/slave.c | 1 + 2 files changed, 20 insertions(+)
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 65521c2ed2e1..b18110726273 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -637,6 +637,25 @@ static void sdw_modify_slave_status(struct sdw_slave *slave, enum sdw_slave_status status) { mutex_lock(&slave->bus->bus_lock); + + dev_vdbg(&slave->dev, + "%s: changing status slave %d status %d new status %d\n", + __func__, slave->dev_num, slave->status, status); + + if (status == SDW_SLAVE_UNATTACHED) { + dev_dbg(&slave->dev, + "%s: initializing completion for Slave %d\n", + __func__, slave->dev_num); + + init_completion(&slave->enumeration_complete); + + } else if (status == SDW_SLAVE_ATTACHED) { + dev_dbg(&slave->dev, + "%s: signaling completion for Slave %d\n", + __func__, slave->dev_num); + + complete(&slave->enumeration_complete); + } slave->status = status; mutex_unlock(&slave->bus->bus_lock); } diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c index 81b94cd3985e..5c6c744e0713 100644 --- a/drivers/soundwire/slave.c +++ b/drivers/soundwire/slave.c @@ -51,6 +51,7 @@ static int sdw_slave_add(struct sdw_bus *bus, slave->dev.type = &sdw_slave_type; slave->bus = bus; slave->status = SDW_SLAVE_UNATTACHED; + init_completion(&slave->enumeration_complete); slave->dev_num = 0; init_completion(&slave->probe_complete); slave->probed = false;