diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h index 2807fa584c2b..d76aaf4ea117 100644 --- a/scripts/kconfig/lkc_proto.h +++ b/scripts/kconfig/lkc_proto.h @@ -34,6 +34,7 @@ bool sym_string_within_range(struct symbol *sym, const char *str); bool sym_set_string_value(struct symbol *sym, const char *newval); bool sym_is_changeable(struct symbol *sym); struct property * sym_get_choice_prop(struct symbol *sym); +struct menu *sym_get_choice_menu(struct symbol *sym); const char * sym_get_string_value(struct symbol *sym); const char * prop_get_type_name(enum prop_type type); diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 8512c29c84bb..23829f44b8f8 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -78,6 +78,41 @@ struct property *sym_get_choice_prop(struct symbol *sym) return NULL; } +/** + * sym_get_choice_menu - get the parent choice menu if present + * + * @sym: a symbol pointer + * + * Return: a choice menu if this function is called against a choice member. + */ +struct menu *sym_get_choice_menu(struct symbol *sym) +{ + struct menu *menu = NULL; + struct menu *m; + + /* + * Choice members must have a prompt. Find a menu entry with a prompt, + * and assume it resides inside a choice block. + */ + list_for_each_entry(m, &sym->menus, link) + if (m->prompt) { + menu = m; + break; + } + + if (!menu) + return NULL; + + do { + menu = menu->parent; + } while (menu && !menu->sym); + + if (menu && menu->sym && sym_is_choice(menu->sym)) + return menu; + + return NULL; +} + static struct property *sym_get_default_prop(struct symbol *sym) { struct property *prop;