Re: [PATCH v20 2/5] driver core: Export device_is_bound()

Matthias Kaehlcke
2022-01-20T15:25:11Z

On Thu, Jan 20, 2022 at 08:45:24AM +0100, Greg Kroah-Hartman wrote:
> On Wed, Jan 19, 2022 at 11:29:18PM -0800, Christoph Hellwig wrote:
> > On Wed, Jan 19, 2022 at 12:43:42PM -0800, Matthias Kaehlcke wrote:
> > > Export device_is_bound() to enable its use by drivers that are
> > > built as modules.
> > >
> > > Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> > > Reviewed-by: Douglas Anderson <dianders@chromium.org>
> > > Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> >
> > Didn't Greg clearly NAK this the last few times it came up?
>
> Yes, which is why this series is _WAY_ on the bottom of my list for
> reviews...

I wasn't aware of that prior discussion, it would have helped to know
that this is a major concern for you ...

If using device_is_bound() is a no-go then _find_onboard_hub() of
the onboard_hub driver could make it's decision based on the
presence (or absence) of drvdata, which is what the function ultimately
returns.