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-rw-r--r--scripts/kconfig/expr.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index a290de3630..7866167552 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -397,35 +397,6 @@ static struct expr *expr_eliminate_yn(struct expr *e)
}
/*
- * bool FOO!=n => FOO
- */
-struct expr *expr_trans_bool(struct expr *e)
-{
- if (!e)
- return NULL;
- switch (e->type) {
- case E_AND:
- case E_OR:
- case E_NOT:
- e->left.expr = expr_trans_bool(e->left.expr);
- e->right.expr = expr_trans_bool(e->right.expr);
- break;
- case E_UNEQUAL:
- // FOO!=n -> FOO
- if (e->left.sym->type == S_TRISTATE) {
- if (e->right.sym == &symbol_no) {
- e->type = E_SYMBOL;
- e->right.sym = NULL;
- }
- }
- break;
- default:
- ;
- }
- return e;
-}
-
-/*
* e1 || e2 -> ?
*/
static struct expr *expr_join_or(struct expr *e1, struct expr *e2)