Re: [PATCH v3 4/9] device property: add fwnode_property_read_string_index()

From: Andy Shevchenko
Date: Fri Mar 25 2022 - 10:34:38 EST


On Fri, Mar 25, 2022 at 12:31:43PM +0100, Clément Léger wrote:
> Add fwnode_property_read_string_index() function which allows to
> retrieve a single string from an array by its index. This function is
> the equivalent of of_property_read_string_index() but for fwnode
> support.

...

> + ret = fwnode_call_int_op(fwnode, property_read_string_array, propname,
> + string, 1, index);
> + if (ret == -EINVAL && !IS_ERR_OR_NULL(fwnode) &&
> + !IS_ERR_OR_NULL(fwnode->secondary))
> + ret = fwnode_call_int_op(fwnode->secondary,
> + property_read_string_array, propname,
> + string, 1, index);

This is not fully correct. See [1] for the details.
I hope to send the new version just after the merge window ends.

[1]: https://lore.kernel.org/lkml/20220308123712.18613-1-andriy.shevchenko@xxxxxxxxxxxxxxx/

--
With Best Regards,
Andy Shevchenko