Re: [alsa-devel] [PATCH 2/4] soundwire: add enumeration_complete structure

[Pierre-Louis Bossart]

On 11/3/19 12:22 AM, Vinod Koul wrote:
> 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..?

[PATCH 00/18] soundwire: code hardening and suspend-resume support