The function check_node_name_chars_strict issues a false alarm when compiling an overlay dts. /fragment@0/__overlay__: Character '_' not recommended in node name This workaround will fix it by skip checking for node named __overlay__. Signed-off-by: Qun-Wei Lin <qun-wei.lin@xxxxxxxxxxxx> --- scripts/dtc/checks.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c index 781ba1129a8e..6ef4f2cd67b9 100644 --- a/scripts/dtc/checks.c +++ b/scripts/dtc/checks.c @@ -325,6 +325,11 @@ static void check_node_name_chars_strict(struct check *c, struct dt_info *dti, { int n = strspn(node->name, c->data); + if (streq(node->name, "__overlay__")) { + /* HACK: Overlay fragments are a special case */ + return; + } + if (n < node->basenamelen) FAIL(c, dti, node, "Character '%c' not recommended in node name", node->name[n]); -- 2.18.0