On Fri, Jul 04, 2025 at 12:33:46PM +0530, Anup Patel wrote: > > Currently, acpi_fwnode_get_reference_args() delegates to the internal > function __acpi_node_get_property_reference() to retrieve property > references. However, this function does not handle the nargs_prop (cells > property) parameter, and instead expects the number of arguments (nargs) > to be known or hardcoded. > > As a result, when fwnode_property_get_reference_args() is used with a > valid nargs_prop, the ACPI backend ignores it, whereas the Device Tree > (DT) backend uses the #*-cells property from the reference node to > determine the number of arguments dynamically. > > To support the nargs_prop in ACPI, refactor the code as follows: > > - Move the implementation from __acpi_node_get_property_reference() > into acpi_fwnode_get_reference_args(). > > - Update __acpi_node_get_property_reference() to call the (now updated) > acpi_fwnode_get_reference_args() passing NULL as nargs_prop to keep > the behavior of __acpi_node_get_property_reference() intact. Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> -- With Best Regards, Andy Shevchenko
