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kconfig: allow symbols implied by y to become m

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The 'imply' keyword restricts a symbol to y or n, excluding m
when it is implied by y. This is the original behavior since
commit 237e3ad0f1 ("Kconfig: Introduce the "imply" keyword").

However, the author of this feature, Nicolas Pitre, stated that
the 'imply' keyword should not impose any restrictions.
(https://lkml.org/lkml/2020/2/19/714)

I agree, and want to get rid of this tricky behavior.

Suggested-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
This commit is contained in:
Masahiro Yamada 2020-03-02 15:23:39 +09:00
parent 1cd9b3abf5
commit def2fbffe6
2 changed files with 12 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

5
scripts/kconfig/symbol.c
View file

@ -401,8 +401,7 @@ void sym_calc_value(struct symbol *sym)
sym_warn_unmet_dep(sym);
newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
}
if (newval.tri == mod &&
(sym_get_type(sym) == S_BOOLEAN || sym->implied.tri == yes))
if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
newval.tri = yes;
break;
case S_STRING:
@ -484,8 +483,6 @@ 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;