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 <[email protected]>
> ---
>  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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