On 12/5/23 19:18, Andy Shevchenko wrote: > On Tue, Dec 05, 2023 at 06:12:18PM +0200, Ceclan Dumitru wrote: >> On 12/5/23 17:28, Andy Shevchenko wrote: >>>> + ref_label = >>>> + ad7173_ref_sel_str[AD7173_SETUP_REF_SEL_INT_REF]; >>>> + >>>> + fwnode_property_read_string(child, "adi,reference-select", >>>> + &ref_label); >>>> + ref_sel = match_string(ad7173_ref_sel_str, >>>> + ARRAY_SIZE(ad7173_ref_sel_str), ref_label); >>>> + if (ref_sel < 0) { >>> Can we use fwnode_property_match_property_string()? >> >> fwnode_property_match_string() searches a given string in a >> device-tree string array and returns the index. I do not think that >> this function fits here as the DT attribute is a single string. > > I'm not talking about that. I mentioned different API call. > > /** > * fwnode_property_match_property_string - find a property string value in an array and return index > * @fwnode: Firmware node to get the property of > * @propname: Name of the property holding the string value > * @array: String array to search in > * @n: Size of the @array > * > * Find a property string value in a given @array and if it is found return > * the index back. > * > * Return: index, starting from %0, if the string value was found in the @array (success), > * %-ENOENT when the string value was not found in the @array, > * %-EINVAL if given arguments are not valid, > * %-ENODATA if the property does not have a value, > * %-EPROTO or %-EILSEQ if the property is not a string, > * %-ENXIO if no suitable firmware interface is present. > */ > > -- > With Best Regards, > Andy Shevchenko > > Yep, it can be used. I cannot seem to find it upstream but found the thread, when the patch containing that function will be applied I'll change to that.