Re: [PATCH v3 0/3] fw_devlink bug fixes

From: Greg Kroah-Hartman
Date: Fri Sep 24 2021 - 02:09:25 EST

On Thu, Sep 23, 2021 at 10:44:48PM +0300, Vladimir Oltean wrote:
> On Thu, Sep 23, 2021 at 07:30:04PM +0200, Greg Kroah-Hartman wrote:
> > It fixes the real problem where drivers were making the wrong assumption
> > that if they registered a device, it would be instantly bound to a
> > driver. Drivers that did this were getting lucky, as this was never a
> > guarantee of the driver core (think about if you enabled async
> > probing, and the mess with the bus specific locks that should be
> > preventing much of this)
> Since commit d173a137c5bd ("driver-core: enable drivers to opt-out of
> async probe") it is possible to opt out of async probing, and PHY
> drivers do opt out of it, at the time of writing.

That's good, but we are talking about system-wide enabling of async
probing in the future, which might cause problems here :)

Anyway, let's go with this option for now and Saravana has assured me
that he will work on fixing up these drivers/bus to work properly going


greg k-h