1 files changed, 23 insertions, 12 deletions

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 59c88d2..845d8a3 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -140,25 +140,25 @@ struct property *sym_get_default_prop(struct symbol *sym)
 void sym_calc_visibility(struct symbol *sym)
 {
 	struct property *prop;
 	tristate visible, oldvisible;
 
 	/* any prompt visible? */
 	oldvisible = sym->visible;
 	visible = no;
 	for_all_prompts(sym, prop)
 		visible = E_OR(visible, E_CALC(prop->visible));
 	if (oldvisible != visible) {
 		sym->visible = visible;
-		sym->flags |= SYMBOL_CHANGED;
+		sym_set_changed(sym);
 	}
 }
 
 void sym_calc_value(struct symbol *sym)
 {
 	struct symbol_value newval, oldval;
 	struct property *prop, *def_prop;
 	struct symbol *def_sym;
 	struct expr *e;
 
 	if (sym->flags & SYMBOL_VALID)
 		return;
@@ -195,25 +195,26 @@ void sym_calc_value(struct symbol *sym)
 	/* set default if recursively called */
 	sym->curr = newval;
 
 	if (sym->visible != no) {
 		sym->flags |= SYMBOL_WRITE;
 		if (!sym_has_value(sym)) {
 			if (!sym_is_choice(sym)) {
 				prop = sym_get_default_prop(sym);
 				if (prop) {
 					sym_calc_value(prop->def);
 					newval = prop->def->curr;
 				}
-			}
+			} else
+				S_TRI(newval) = S_TRI(sym->def);
 		} else
 			newval = sym->def;
 
 		S_TRI(newval) = E_AND(S_TRI(newval), sym->visible);
 		/* if the symbol is visible and not optionial,
 		 * possibly ignore old user choice. */
 		if (!sym_is_optional(sym) && S_TRI(newval) == no)
 			S_TRI(newval) = sym->visible;
 		if (sym_is_choice_value(sym) && sym->visible == yes) {
 			prop = sym_get_choice_prop(sym);
 			S_TRI(newval) = (S_VAL(prop->def->curr) == sym) ? yes : no;
 		}
@@ -267,52 +268,66 @@ out:
 				sym_calc_visibility(e->right.sym);
 				if (e->right.sym->visible != no) {
 					def_sym = e->right.sym;
 					break;
 				}
 			}
 		}
 
 		S_VAL(newval) = def_sym;
 	}
 
 	if (memcmp(&oldval, &newval, sizeof(newval)))
-		sym->flags |= SYMBOL_CHANGED;
+		sym_set_changed(sym);
 	sym->curr = newval;
 
 	if (sym_is_choice(sym)) {
 		int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
 		prop = sym_get_choice_prop(sym);
-		for (e = prop->dep; e; e = e->left.expr)
+		for (e = prop->dep; e; e = e->left.expr) {
 			e->right.sym->flags |= flags;
+			if (flags & SYMBOL_CHANGED)
+				sym_set_changed(e->right.sym);
+		}
 	}
 }
 
 void sym_clear_all_valid(void)
 {
 	struct symbol *sym;
 	int i;
 
 	for_all_symbols(i, sym)
 		sym->flags &= ~SYMBOL_VALID;
 	sym_change_count++;
 }
 
+void sym_set_changed(struct symbol *sym)
+{
+	struct property *prop;
+
+	sym->flags |= SYMBOL_CHANGED;
+	for (prop = sym->prop; prop; prop = prop->next) {
+		if (prop->menu)
+			prop->menu->flags |= MENU_CHANGED;
+	}
+}
+
 void sym_set_all_changed(void)
 {
 	struct symbol *sym;
 	int i;
 
 	for_all_symbols(i, sym)
-		sym->flags |= SYMBOL_CHANGED;
+		sym_set_changed(sym);
 }
 
 bool sym_tristate_within_range(struct symbol *sym, tristate val)
 {
 	int type = sym_get_type(sym);
 
 	if (sym->visible == no)
 		return false;
 
 	if (type != S_BOOLEAN && type != S_TRISTATE)
 		return false;
 
@@ -331,25 +346,25 @@ bool sym_tristate_within_range(struct symbol *sym, tristate val)
 	return false;
 }
 
 bool sym_set_tristate_value(struct symbol *sym, tristate val)
 {
 	tristate oldval = sym_get_tristate_value(sym);
 
 	if (oldval != val && !sym_tristate_within_range(sym, val))
 		return false;
 
 	if (sym->flags & SYMBOL_NEW) {
 		sym->flags &= ~SYMBOL_NEW;
-		sym->flags |= SYMBOL_CHANGED;
+		sym_set_changed(sym);
 	}
 	if (sym_is_choice_value(sym) && val == yes) {
 		struct property *prop = sym_get_choice_prop(sym);
 
 		S_VAL(prop->def->def) = sym;
 		prop->def->flags &= ~SYMBOL_NEW;
 	}
 
 	S_TRI(sym->def) = val;
 	if (oldval != val) {
 		sym_clear_all_valid();
 		if (sym == modules_sym)
@@ -451,25 +466,25 @@ bool sym_set_string_value(struct symbol *sym, const char *newval)
 			return sym_set_tristate_value(sym, no);
 		}
 		return false;
 	default:
 		;
 	}
 
 	if (!sym_string_valid(sym, newval))
 		return false;
 
 	if (sym->flags & SYMBOL_NEW) {
 		sym->flags &= ~SYMBOL_NEW;
-		sym->flags |= SYMBOL_CHANGED;
+		sym_set_changed(sym);
 	}
 
 	oldval = S_VAL(sym->def);
 	size = strlen(newval) + 1;
 	if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) {
 		size += 2;
 		S_VAL(sym->def) = val = malloc(size);
 		*val++ = '0';
 		*val++ = 'x';
 	} else if (!oldval || strcmp(oldval, newval))
 		S_VAL(sym->def) = val = malloc(size);
 	else
@@ -516,64 +531,60 @@ bool sym_is_changable(struct symbol *sym)
 	if (sym_get_type(sym) == S_TRISTATE && sym->visible == yes)
 		return true;
 	return false;
 }
 
 struct symbol *sym_lookup(const char *name, int isconst)
 {
 	struct symbol *symbol;
 	const char *ptr;
 	char *new_name;
 	int hash = 0;
 
-	//printf("lookup: %s -> ", name);
 	if (name) {
 		if (name[0] && !name[1]) {
 			switch (name[0]) {
 			case 'y': return &symbol_yes;
 			case 'm': return &symbol_mod;
 			case 'n': return &symbol_no;
 			}
 		}
 		for (ptr = name; *ptr; ptr++)
 			hash += *ptr;
 		hash &= 0xff;
 
 		for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
 			if (!strcmp(symbol->name, name)) {
 				if ((isconst && symbol->flags & SYMBOL_CONST) ||
-				    (!isconst && !(symbol->flags & SYMBOL_CONST))) {
-					//printf("h:%p\n", symbol);
+				    (!isconst && !(symbol->flags & SYMBOL_CONST)))
 					return symbol;
 				}
 			}
-		}
 		new_name = strdup(name);
 	} else {
 		new_name = NULL;
 		hash = 256;
 	}
 
 	symbol = malloc(sizeof(*symbol));
 	memset(symbol, 0, sizeof(*symbol));
 	symbol->name = new_name;
 	symbol->type = S_UNKNOWN;
 	symbol->flags = SYMBOL_NEW;
 	if (isconst)
 		symbol->flags |= SYMBOL_CONST;
 
 	symbol->next = symbol_hash[hash];
 	symbol_hash[hash] = symbol;
 
-	//printf("n:%p\n", symbol);
 	return symbol;
 }
 
 struct symbol *sym_find(const char *name)
 {
 	struct symbol *symbol = NULL;
 	const char *ptr;
 	int hash = 0;
 
 	if (!name)
 		return NULL;