On 23-10-19, 16:06, Pierre-Louis Bossart wrote:
> We need an async mechanism to prevent access to Slaves that are not
> fully-enumerated.
>
> init_completion() will be invoked when the Slave becomes UNATTACHED,
> and complete() will be invoked when the state become ATTACHED. Any
> read/write before this status change will be delayed with a
> wait_for_completion().
>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> ---
> include/linux/soundwire/sdw.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
> index a381a596212b..1381edfaa206 100644
> --- a/include/linux/soundwire/sdw.h
> +++ b/include/linux/soundwire/sdw.h
> @@ -565,6 +565,7 @@ struct sdw_slave {
> u16 dev_num;
> bool probed;
> struct completion probe_complete;
> + struct completion enumeration_complete;
Which series/patch uses this..?
Thanks
--
~Vinod
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