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Commit e38f9ff6 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
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ACPI: scan: Do not add device IDs from _CID if _HID is not valid

Section 6.1.2 of ACPI 6.4 explicitly requires _HID to be present for
_CID to be defined, so don't add device IDs from _CID to the device
IDs list of a device if _HID is not valid.

Link: https://uefi.org/specs/ACPI/6.4/06_Device_Configuration/Device_Configuration.html#cid-compatible-id


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 13605725
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