diff options
Diffstat (limited to 'scripts/kconfig/symbol.c')
-rw-r--r-- | scripts/kconfig/symbol.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 2432298487fb..20136ffefb23 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -258,6 +258,15 @@ static void sym_calc_visibility(struct symbol *sym) sym->rev_dep.tri = tri; sym_set_changed(sym); } + tri = no; + if (sym->implied.expr && sym->dir_dep.tri != no) + tri = expr_calc_value(sym->implied.expr); + if (tri == mod && sym_get_type(sym) == S_BOOLEAN) + tri = yes; + if (sym->implied.tri != tri) { + sym->implied.tri = tri; + sym_set_changed(sym); + } } /* @@ -397,6 +406,10 @@ void sym_calc_value(struct symbol *sym) newval.tri = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri); } + if (sym->implied.tri != no) { + sym->flags |= SYMBOL_WRITE; + newval.tri = EXPR_OR(newval.tri, sym->implied.tri); + } } calc_newval: if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) { @@ -413,7 +426,8 @@ void sym_calc_value(struct symbol *sym) } newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri); } - if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN) + if (newval.tri == mod && + (sym_get_type(sym) == S_BOOLEAN || sym->implied.tri == yes)) newval.tri = yes; break; case S_STRING: @@ -498,6 +512,8 @@ bool sym_tristate_within_range(struct symbol *sym, tristate val) return false; if (sym->visible <= sym->rev_dep.tri) return false; + if (sym->implied.tri == yes && val == mod) + return false; if (sym_is_choice_value(sym) && sym->visible == yes) return val == yes; return val >= sym->rev_dep.tri && val <= sym->visible; @@ -750,6 +766,10 @@ const char *sym_get_string_default(struct symbol *sym) if (sym->type == S_BOOLEAN && val == mod) val = yes; + /* adjust the default value if this symbol is implied by another */ + if (val < sym->implied.tri) + val = sym->implied.tri; + switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: @@ -1352,6 +1372,8 @@ const char *prop_get_type_name(enum prop_type type) return "choice"; case P_SELECT: return "select"; + case P_IMPLY: + return "imply"; case P_RANGE: return "range"; case P_SYMBOL: |