Re: [PATCH v3 2/3] driver core: fw_devlink: Add support for FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD

From: Greg Kroah-Hartman
Date: Tue Sep 21 2021 - 12:15:24 EST


On Sun, Sep 19, 2021 at 03:16:34AM +0200, Andrew Lunn wrote:
> > > diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
> > > index 59828516ebaf..9f4ad719bfe3 100644
> > > --- a/include/linux/fwnode.h
> > > +++ b/include/linux/fwnode.h
> > > @@ -22,10 +22,15 @@ struct device;
> > > * LINKS_ADDED: The fwnode has already be parsed to add fwnode links.
> > > * NOT_DEVICE: The fwnode will never be populated as a struct device.
> > > * INITIALIZED: The hardware corresponding to fwnode has been initialized.
> > > + * NEEDS_CHILD_BOUND_ON_ADD: For this fwnode/device to probe successfully, its
> > > + * driver needs its child devices to be bound with
> > > + * their respective drivers as soon as they are
> > > + * added.
> >
> > The fact that this requires so much comment text here is a clear
> > band-aid indication to me.
>
> This whole patchset is a band aid, but it is for stable, to fix things
> which are currently broken. So we need to answer the question, is a
> bad aid good enough for stable, with the assumption a real fix will
> come along later?

Fix it properly first, don't worry about stable.

But what is wrong with this as-is? What needs to be done that is not
happening here that you feels still needs to be addressed?

thanks,

greg k-h