[PATCH v10 01/40] components: multiple components for a device

[Greg Kroah-Hartman]

On Thu, Jan 31, 2019 at 09:00:30AM +0100, Daniel Vetter wrote:
> On Thu, Jan 31, 2019 at 08:50:20AM +0100, Greg Kroah-Hartman wrote:
> > On Thu, Jan 31, 2019 at 12:29:17PM +0530, Ramalingam C wrote:
> > > +void component_match_add_typed(struct device *master,
> > > +	struct component_match **matchptr,
> > > +	int (*compare_typed)(struct device *, int, void *), void *compare_data)
> > > +{
> > > +	__component_match_add(master, matchptr, NULL, NULL, compare_typed,
> > > +			      compare_data);
> > > +}
> > > +EXPORT_SYMBOL(component_match_add_typed);
> > 
> > No comment at all as to what this new global function does?
> > 
> > > +int component_add_typed(struct device *dev, const struct component_ops *ops,
> > > +	int subcomponent)
> > > +{
> > > +	if (WARN_ON(subcomponent == 0))
> > > +		return -EINVAL;
> > > +
> > > +	return __component_add(dev, ops, subcomponent);
> > > +}
> > > +EXPORT_SYMBOL_GPL(component_add_typed);
> > 
> > Same here, no comments at all?
> > 
> > Please at the very least, document new things that you add, I thought I
> > asked for this the last time this patch was posted :(
> 
> I replied and asked whether you insist on the docs for this or not, since
> nothing has docs (and documenting these two alone is not going to explain
> anything frankly). It's also defacto the drm component thing, other
> subsystems didn't push their own solution into the core ...

I thought I responded that I would love to have something for the new
stuff at the very least.

And it's not nice to create new global functions without a single line
of comment for them as to what they are supposed to be used for.  So I'm
going to insist on that happening here at the very least.

thanks,

greg k-h