Re: [PATCH v2 1/7] device property: add fwnode_property_read_string_index()

[Sakari Ailus <sakari.ailus@linux.intel.com>]

Hi Clément,

On Wed, Mar 23, 2022 at 12:39:02PM +0100, Clément Léger wrote:
> Le Wed, 23 Mar 2022 13:34:07 +0200,
> Sakari Ailus <sakari.ailus@linux.intel.com> a écrit :
> 
> > >   * @get_parent: Return the parent of an fwnode.
> > > @@ -123,6 +126,9 @@ struct fwnode_operations {
> > >  	(*property_read_string_array)(const struct fwnode_handle *fwnode_handle,
> > >  				      const char *propname, const char **val,
> > >  				      size_t nval);
> > > +	int (*property_read_string_index)(const struct fwnode_handle *fwnode,
> > > +					  const char *propname, int index,
> > > +					  const char **string);  
> > 
> > Could this instead be done by adding an index argument to the
> > property_read_string_array?
> 
> Hi Sakari,
> 
> I guess I could do that. Do you expect the string pointer to be
> returned in "val" ? Guess a -1 index would mean that we don't care
> about the index but want the array to be returned. And if index is
> specified, nval will be ignored.

I'd keep the behaviour the same independently of the value of index.

-- 
Sakari Ailus