summary refs log tree commit diff
path: root/scripts/kconfig
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-26 22:27:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-26 22:27:09 -0700
commitf429d35588847fa1048f9dbdcc3cc1ee1b530041 (patch)
tree9c54202c7beb91fa3b76b4f18dc759c570ff1ef9 /scripts/kconfig
parent5b26fc8824da15a2fe9df89338a5a3cad41ba8ee (diff)
parentfa64e5f6a35efd5e77d639125d973077ca506074 (diff)
downloadlinux-f429d35588847fa1048f9dbdcc3cc1ee1b530041.tar.gz
Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig update from Michal Marek:

 - fix for behavior of tristate choice items and fix for documentation
   of existing kconfig behavior [Dirk Gouders]

 - more helpful "unexpected data" kconfig warning [Paul Bolle]

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig/symbol.c: handle choice_values that depend on 'm' symbols
  kconfig-language: elaborate on the type of a choice
  kconfig-language: fix comment on dependency-generated menu structures.
  kconfig: add unexpected data itself to warning
Diffstat (limited to 'scripts/kconfig')
-rw-r--r--scripts/kconfig/confdata.c4
-rw-r--r--scripts/kconfig/symbol.c14
2 files changed, 17 insertions, 1 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index dd243d2abd87..297b079ae4d9 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -375,7 +375,9 @@ load:
 				continue;
 		} else {
 			if (line[0] != '\r' && line[0] != '\n')
-				conf_warning("unexpected data");
+				conf_warning("unexpected data: %.*s",
+					     (int)strcspn(line, "\r\n"), line);
+
 			continue;
 		}
 setsym:
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 25cf0c2c0c79..2432298487fb 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -209,12 +209,26 @@ static void sym_set_all_changed(void)
 static void sym_calc_visibility(struct symbol *sym)
 {
 	struct property *prop;
+	struct symbol *choice_sym = NULL;
 	tristate tri;
 
 	/* any prompt visible? */
 	tri = no;
+
+	if (sym_is_choice_value(sym))
+		choice_sym = prop_get_symbol(sym_get_choice_prop(sym));
+
 	for_all_prompts(sym, prop) {
 		prop->visible.tri = expr_calc_value(prop->visible.expr);
+		/*
+		 * Tristate choice_values with visibility 'mod' are
+		 * not visible if the corresponding choice's value is
+		 * 'yes'.
+		 */
+		if (choice_sym && sym->type == S_TRISTATE &&
+		    prop->visible.tri == mod && choice_sym->curr.tri == yes)
+			prop->visible.tri = no;
+
 		tri = EXPR_OR(tri, prop->visible.tri);
 	}
 	if (tri == mod && (sym->type != S_TRISTATE || modules_val == no))