From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> [ Upstream commit f1b690261247c9895f7a4b05d14a4026739134eb ] Add a dev_dbg() log for both enumeration and initialization completion to better track suspend-resume issues. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx> Reviewed-by: Chao Song <chao.song@xxxxxxxxx> Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210126085402.4264-1-yung-chuan.liao@xxxxxxxxxxxxxxx Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> Stable-dep-of: c40d6b3249b1 ("soundwire: fix enumeration completion") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/soundwire/bus.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 3317a02bcc170..9c7c8fa7f53e4 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -797,7 +797,7 @@ static void sdw_modify_slave_status(struct sdw_slave *slave, if (status == SDW_SLAVE_UNATTACHED) { dev_dbg(&slave->dev, - "%s: initializing completion for Slave %d\n", + "%s: initializing enumeration and init completion for Slave %d\n", __func__, slave->dev_num); init_completion(&slave->enumeration_complete); @@ -806,7 +806,7 @@ static void sdw_modify_slave_status(struct sdw_slave *slave, } else if ((status == SDW_SLAVE_ATTACHED) && (slave->status == SDW_SLAVE_UNATTACHED)) { dev_dbg(&slave->dev, - "%s: signaling completion for Slave %d\n", + "%s: signaling enumeration completion for Slave %d\n", __func__, slave->dev_num); complete(&slave->enumeration_complete); @@ -1734,8 +1734,13 @@ int sdw_handle_slave_status(struct sdw_bus *bus, if (ret) dev_err(slave->bus->dev, "Update Slave status failed:%d\n", ret); - if (attached_initializing) + if (attached_initializing) { + dev_dbg(&slave->dev, + "%s: signaling initialization completion for Slave %d\n", + __func__, slave->dev_num); + complete(&slave->initialization_complete); + } } return ret; -- 2.40.1
