kconfig: remove allnoconfig_y option

Now that the only user, CONFIG_EMBEDDED has stopped using this option,
remove it entirely.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Documentation/kbuild/kconfig-language.rst

@@ -234,10 +234,6 @@ applicable everywhere (see syntax).
     enables the third modular state for all config symbols.
     At most one symbol may have the "modules" option set.
 
-  - "allnoconfig_y"
-    This declares the symbol as one that should have the value y when
-    using "allnoconfig". Used for symbols that hide other symbols.
-
 Menu dependencies
 -----------------
 

scripts/kconfig/conf.c

@@ -242,10 +242,7 @@ static bool conf_set_all_new_symbols(enum conf_def_mode mode)
 				sym->def[S_DEF_USER].tri = mod;
 				break;
 			case def_no:
-				if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
-					sym->def[S_DEF_USER].tri = yes;
-				else
-					sym->def[S_DEF_USER].tri = no;
+				sym->def[S_DEF_USER].tri = no;
 				break;
 			case def_random:
 				sym->def[S_DEF_USER].tri = no;

scripts/kconfig/expr.h

@@ -156,9 +156,6 @@ struct symbol {
 /* choice values need to be set before calculating this symbol value */
 #define SYMBOL_NEED_SET_CHOICE_VALUES  0x100000
 
-/* Set symbol to y if allnoconfig; used for symbols that hide others */
-#define SYMBOL_ALLNOCONFIG_Y 0x200000
-
 #define SYMBOL_MAXLENGTH	256
 #define SYMBOL_HASHSIZE		9973
 

scripts/kconfig/lexer.l

@@ -91,7 +91,6 @@ n	[A-Za-z0-9_-]
 [ \t]*			/* whitespaces */
 \\\n			/* escaped new line */
 \n			return T_EOL;
-"allnoconfig_y"		return T_ALLNOCONFIG_Y;
 "bool"			return T_BOOL;
 "choice"		return T_CHOICE;
 "comment"		return T_COMMENT;

scripts/kconfig/lkc.h

@@ -96,7 +96,6 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
 void menu_add_option_modules(void);
-void menu_add_option_allnoconfig_y(void);
 void menu_finalize(struct menu *parent);
 void menu_set_type(int type);
 

scripts/kconfig/menu.c

@@ -219,11 +219,6 @@ void menu_add_option_modules(void)
 	modules_sym = current_entry->sym;
 }
 
-void menu_add_option_allnoconfig_y(void)
-{
-	current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
-}
-
 static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
 {
 	return sym2->type == S_INT || sym2->type == S_HEX ||

scripts/kconfig/parser.y

@@ -45,7 +45,6 @@ static struct menu *current_menu, *current_entry;
 %token <string> T_HELPTEXT
 %token <string> T_WORD
 %token <string> T_WORD_QUOTE
-%token T_ALLNOCONFIG_Y
 %token T_BOOL
 %token T_CHOICE
 %token T_CLOSE_PAREN
@@ -222,11 +221,6 @@ config_option: T_OPTION T_MODULES T_EOL
 	menu_add_option_modules();
 };
 
-config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL
-{
-	menu_add_option_allnoconfig_y();
-};
-
 /* choice entry */
 
 choice: T_CHOICE word_opt T_EOL