On 5/31/22 17:49, Rob Herring wrote:

On Tue, May 31, 2022 at 04:43:18PM -0400, Frank Rowand wrote:

quoted

On 5/31/22 01:33, Qun-Wei Lin wrote:

quoted

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__.

This is not a false alarm.

Do not special case node name "__overlay__".  This node name should never
occur in a modern overlay source file.

A dtbo -> dts pass will give warnings, so handling these nodes is 
worthwhile. Though thinking a bit more about it, I think this one is off 
by default, but W=2 turns it on.

Yes, at least as of 5.18-rc1 the warning is only if
'-W node_name_chars_strict', so a dtbo -> dts pass will not give the
warning for node __overlay__ by default.

-Frank

Rob

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