On 25-07-19, 18:40, Pierre-Louis Bossart wrote:
> update comments to provide better understanding of enumeration flows.
>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> ---
> drivers/soundwire/bus.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
> index bca378806d00..2354675ef104 100644
> --- a/drivers/soundwire/bus.c
> +++ b/drivers/soundwire/bus.c
> @@ -483,7 +483,8 @@ static int sdw_assign_device_num(struct sdw_slave *slave)
>
> ret = sdw_write(slave, SDW_SCP_DEVNUMBER, dev_num);
> if (ret < 0) {
> - dev_err(&slave->dev, "Program device_num failed: %d\n", ret);
> + dev_err(&slave->dev, "Program device_num %d failed: %d\n",
> + dev_num, ret);
> return ret;
> }
>
> @@ -540,6 +541,7 @@ static int sdw_program_device_num(struct sdw_bus *bus)
> do {
> ret = sdw_transfer(bus, &msg);
> if (ret == -ENODATA) { /* end of device id reads */
> + dev_dbg(bus->dev, "No more devices to enumerate\n");
> ret = 0;
> break;
> }
> @@ -982,6 +984,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus,
> int i, ret = 0;
>
> if (status[0] == SDW_SLAVE_ATTACHED) {
> + dev_err(bus->dev, "Slave attached, programming device number\n");
This should be debug level
--
~Vinod
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