ACPI: scan: Do not add device IDs from _CID if _HID is not valid

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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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

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Rafael J. Wysocki 2021-10-26 20:57:31 +02:00

parent 1360572566

commit e38f9ff63e

1 changed files with 5 additions and 5 deletions

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drivers/acpi/scan.c

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