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

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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.

> 
> The ACPI case is a bit more work but it guess it could be implemented later
> as part of a more general cleanup there.

-- 
Clément Léger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com




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