From: Piotr Maziarz <piotrx.maziarz@xxxxxxxxxxxxxxx> ACPICA commit 961221a76814ffa0ecc92219ddf857579b0f7d54 Undocumented bytes at the end of Endpoint Descriptor can be present independently of Linux-specific structures. Their size can also vary. Link: https://github.com/acpica/acpica/commit/961221a7 Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- include/acpi/actbl2.h | 4 ---- 1 file changed, 4 deletions(-) Index: linux-pm/include/acpi/actbl2.h =================================================================== --- linux-pm.orig/include/acpi/actbl2.h +++ linux-pm/include/acpi/actbl2.h @@ -1685,10 +1685,6 @@ struct acpi_nhlt_linux_specific_data { u8 device_port_id; }; -struct acpi_nhlt_linux_specific_data_b { - u8 specific_data[18]; -}; - /******************************************************************************* * * PCCT - Platform Communications Channel Table (ACPI 5.0)