Add of_property_read_string_array_index() which allows to read a string array starting at a specific index. Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx> --- include/linux/of.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/linux/of.h b/include/linux/of.h index 2dc77430a91a..93f04c530bd1 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -1115,6 +1115,28 @@ static inline int of_property_read_string_array(const struct device_node *np, return of_property_read_string_helper(np, propname, out_strs, sz, 0); } +/** + * of_property_read_string_array_index() - Read an array of strings from a + * multiple strings property starting at a specified index + * @np: device node from which the property value is to be read. + * @propname: name of the property to be searched. + * @out_strs: output array of string pointers. + * @sz: number of array elements to read. + * @index: index to start reading from + * + * Search for a property in a device tree node and retrieve a list of + * terminated string values (pointer to data, not a copy) in that property + * starting at specified index. + * + * Return: If @out_strs is NULL, the number of strings in the property is returned. + */ +static inline int of_property_read_string_array_index(const struct device_node *np, + const char *propname, + const char **out_strs, + size_t sz, int index) +{ + return of_property_read_string_helper(np, propname, out_strs, sz, index); +} /** * of_property_count_strings() - Find and return the number of strings from a * multiple strings property. -- 2.34.1