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acpi: q35: drop _SB.PCI0.ISA.LPCD opregion. 

Seems to be unused.

ich9 DSDT changes:

     Scope (_SB.PCI0)
     {
         Device (ISA)
         {
             Name (_ADR, 0x001F0000)  // _ADR: Address
             OperationRegion (PIRQ, PCI_Config, 0x60, 0x0C)
-            OperationRegion (LPCD, PCI_Config, 0x80, 0x02)
-            Field (LPCD, AnyAcc, NoLock, Preserve)
-            {
-                COMA,   3,
-                    ,   1,
-                COMB,   3,
-                Offset (0x01),
-                LPTD,   2
-            }
         }
     }

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200619091905.21676-12-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2020-06-19 11:19:04 +02:00 committed by Michael S. Tsirkin
parent 9b3bff1f75
commit e0d1a82b12
1 changed files with 0 additions and 11 deletions
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11
hw/i386/acpi-build.c
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@ -1340,7 +1340,6 @@ static void build_q35_isa_bridge(Aml *table)
{
Aml *dev;
Aml *scope;
Aml *field;
scope = aml_scope("_SB.PCI0");
dev = aml_device("ISA");
@ -1350,16 +1349,6 @@ static void build_q35_isa_bridge(Aml *table)
aml_append(dev, aml_operation_region("PIRQ", AML_PCI_CONFIG,
aml_int(0x60), 0x0C));
aml_append(dev, aml_operation_region("LPCD", AML_PCI_CONFIG,
aml_int(0x80), 0x02));
field = aml_field("LPCD", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
aml_append(field, aml_named_field("COMA", 3));
aml_append(field, aml_reserved_field(1));
aml_append(field, aml_named_field("COMB", 3));
aml_append(field, aml_reserved_field(1));
aml_append(field, aml_named_field("LPTD", 2));
aml_append(dev, field);
aml_append(scope, dev);
aml_append(table, scope);
}