From 1faa11ed392d70bedbbe7443401e9259f216e0b6 Mon Sep 17 00:00:00 2001 From: Marc Jones Date: Wed, 15 Aug 2018 22:17:45 -0600 Subject: Fix PCI ACPI _OSC methods Fix the IASL build warnings: Object is not referenced (Name [CDW2] is within a method [_OSC]) Object is not referenced (Name [CDW3] is within a method [_OSC]) Remove the not referenced objects. They are not needed. BUG=b:112476331 TEST=IASL doesn't give the warning. Change-Id: I5b38d4de3f9875c5b013a49eb5146bf5916b96a6 Signed-off-by: Marc Jones Reviewed-on: https://review.coreboot.org/28121 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/northbridge/intel/i945/acpi/i945.asl | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'src/northbridge/intel/i945/acpi/i945.asl') diff --git a/src/northbridge/intel/i945/acpi/i945.asl b/src/northbridge/intel/i945/acpi/i945.asl index 5a932385d0..79fb371250 100644 --- a/src/northbridge/intel/i945/acpi/i945.asl +++ b/src/northbridge/intel/i945/acpi/i945.asl @@ -20,17 +20,13 @@ /* Operating System Capabilities Method */ Method (_OSC, 4) { - // Create DWord-addressable fields from the Capabilities Buffer - CreateDWordField(Arg3, 0, CDW1) - CreateDWordField(Arg3, 4, CDW2) - CreateDWordField(Arg3, 8, CDW3) - /* Check for proper PCI/PCIe UUID */ If (LEqual(Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) { /* Let OS control everything */ Return(Arg3) } Else { + CreateDWordField(Arg3, 0, CDW1) Or(CDW1, 4, CDW1) // Unrecognized UUID, so set bit 2 to 1 Return(Arg3) } -- cgit v1.2.3