Hi Andy,

On Mon, Nov 30, 2020 at 07:53:19PM +0200, Andy Shevchenko wrote:
> On Mon, Nov 30, 2020 at 07:28:57PM +0200, Laurent Pinchart wrote:
> > On Mon, Nov 30, 2020 at 07:29:00PM +0200, Andy Shevchenko wrote:
> > > On Mon, Nov 30, 2020 at 01:31:13PM +0000, Daniel Scally wrote:
> 
> ...
> 
> > > > +       if (!best_ep && fwnode && !IS_ERR_OR_NULL(fwnode->secondary))
> > > > +               return 
> > > > fwnode_graph_get_endpoint_by_id(fwnode->secondary, port,
> > > > +                                                      endpoint, flags);
> > > 
> > > >         return best_ep;
> > > 
> > > Can we, please, do
> > > 
> > >   if (best_ep)
> > >           return best_ep;
> > > 
> > >   if (fwnode && !IS_ERR_OR_NULL(fwnode->secondary))
> > >           return fwnode_graph_get_endpoint_by_id(fwnode->secondary, port,
> > >                                                  endpoint, flags);
> > > 
> > >   return NULL;
> > > 
> > > ?
> > > 
> > > This 'if (fwnode && !IS_ERR_OR_NULL(fwnode->secondary))' becomes kinda
> > > idiomatic to the cases when we need to proceed primary followed by the
> > > secondary in cases where it's not already done.
> > 
> > We could also move the !fwnode check to the beginning of the function.
> 
> It's already there (1). What did I miss?

It is, but as we need an explicitly check at the end, it feels cleaner
to move it to the beginning. No big deal though.

> 1) via fwnode_graph_get_next_endpoint() -> fwnode_call_ptr_op()

-- 
Regards,

Laurent Pinchart

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