Hi Andrew,

> -----Original Message-----
> From: Andrew Rybchenko <[email protected]>
> Sent: Monday, July 5, 2021 5:19 PM
> To: Xueming(Steven) Li <[email protected]>
> Cc: [email protected]; Wang Haiyue <[email protected]>; NBU-Contact-Thomas 
> Monjalon <[email protected]>; Kinsella Ray
> <[email protected]>; Parav Pandit <[email protected]>; Neil Horman 
> <[email protected]>
> Subject: Re: [PATCH v8 2/2] bus/auxiliary: introduce auxiliary bus
> 
> On 7/5/21 9:45 AM, Xueming Li wrote:
> > Auxiliary bus [1] provides a way to split function into child-devices
> > representing sub-domains of functionality. Each auxiliary device
> > represents a part of its parent functionality.
> >
> > Auxiliary device is identified by unique device name, sysfs path:
> >   /sys/bus/auxiliary/devices/<name>
> >
> > Devargs legacy syntax of auxiliary device:
> >   -a auxiliary:<name>[,args...]
> > Devargs generic syntax of auxiliary device:
> >   -a bus=auxiliary,name=<name>/class=<class>/driver=<driver>[,args...]
> >
> > [1] kernel auxiliary bus document:
> > https://www.kernel.org/doc/html/latest/driver-api/auxiliary_bus.html
> >
> > Signed-off-by: Xueming Li <[email protected]>
> > Cc: Wang Haiyue <[email protected]>
> > Cc: Thomas Monjalon <[email protected]>
> > Cc: Kinsella Ray <[email protected]>
> > Acked-by: Andrew Rybchenko <[email protected]>
> 
> I still don't understand if we really need to make the API a part of stable 
> API/ABI in the future. Can it be internal?

There was some discussion on this with Thomas in earlier version. Users might 
want to register/unregister their own PMD driver,
Is this a valid scenario?

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