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

From: Sakari Ailus
Date: Wed Mar 23 2022 - 09:57:46 EST


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@xxxxxxxxxxxxxxx> 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