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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#define PCI_OSC_UUID "33DB4D5B-1FF7-401C-9657-7441C03DD766"
Scope (\_SB.PCI0) {
Method (_OSC, 4) {
/* Check for proper GUID */
If (LEqual (Arg0, ToUUID (PCI_OSC_UUID))) {
/* Let OS control everything */
Return (Arg3)
} Else {
/* Unrecognized UUID */
CreateDWordField (Arg3, 0, CDW1)
Or (CDW1, 4, CDW1)
Return (Arg3)
}
}
}
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