If I understood it right the ports should be numbered using the "port" property and not the "reg" property. I stumbled over it during extending the v4l2_fwnode_parse_link() helper which also use the "port" property. Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- Hi, I don't know if this is right since I'm not a ACPI guy *sorry* Anyway reading the doc description and the v4l2_fwnode_parse_link() code give me a 2/3 chance. Regards, Marco Documentation/firmware-guide/acpi/dsd/graph.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/firmware-guide/acpi/dsd/graph.rst b/Documentation/firmware-guide/acpi/dsd/graph.rst index 1a6ce7afba5e..dcf0102aeb29 100644 --- a/Documentation/firmware-guide/acpi/dsd/graph.rst +++ b/Documentation/firmware-guide/acpi/dsd/graph.rst @@ -97,7 +97,7 @@ A simple example of this is show below:: Name (PRT0, Package() { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { - Package () { "reg", 0 }, + Package () { "port", 0 }, }, ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), Package () { -- 2.20.1