From d23f78349fd8048e137cc96f99cb56110212bfe5 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann <kraxel@redhat.com> Date: Fri, 19 Jun 2020 11:19:02 +0200 Subject: [PATCH] acpi: drop serial/parallel enable bits from dsdt The _STA methods for COM+LPT used to reference them, but that isn't the case any more. piix4 DSDT changes: Scope (_SB.PCI0) { Device (ISA) { Name (_ADR, 0x00010000) // _ADR: Address OperationRegion (P40C, PCI_Config, 0x60, 0x04) - Field (^PX13.P13C, AnyAcc, NoLock, Preserve) - { - Offset (0x5F), - , 7, - LPEN, 1, - Offset (0x67), - , 3, - CAEN, 1, - , 3, - CBEN, 1 - } } } 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 } - - OperationRegion (LPCE, PCI_Config, 0x82, 0x02) - Field (LPCE, AnyAcc, NoLock, Preserve) - { - CAEN, 1, - CBEN, 1, - LPEN, 1 - } } } Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20200619091905.21676-10-kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- hw/i386/acpi-build.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index d27cecc877..ffbdbee51a 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1360,15 +1360,6 @@ static void build_q35_isa_bridge(Aml *table) aml_append(field, aml_named_field("LPTD", 2)); aml_append(dev, field); - aml_append(dev, aml_operation_region("LPCE", AML_PCI_CONFIG, - aml_int(0x82), 0x02)); - /* enable bits */ - field = aml_field("LPCE", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); - aml_append(field, aml_named_field("CAEN", 1)); - aml_append(field, aml_named_field("CBEN", 1)); - aml_append(field, aml_named_field("LPEN", 1)); - aml_append(dev, field); - aml_append(scope, dev); aml_append(table, scope); } @@ -1392,7 +1383,6 @@ static void build_piix4_isa_bridge(Aml *table) { Aml *dev; Aml *scope; - Aml *field; scope = aml_scope("_SB.PCI0"); dev = aml_device("ISA"); @@ -1401,19 +1391,6 @@ static void build_piix4_isa_bridge(Aml *table) /* PIIX PCI to ISA irq remapping */ aml_append(dev, aml_operation_region("P40C", AML_PCI_CONFIG, aml_int(0x60), 0x04)); - /* enable bits */ - field = aml_field("^PX13.P13C", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE); - /* Offset(0x5f),, 7, */ - aml_append(field, aml_reserved_field(0x2f8)); - aml_append(field, aml_reserved_field(7)); - aml_append(field, aml_named_field("LPEN", 1)); - /* Offset(0x67),, 3, */ - aml_append(field, aml_reserved_field(0x38)); - aml_append(field, aml_reserved_field(3)); - aml_append(field, aml_named_field("CAEN", 1)); - aml_append(field, aml_reserved_field(3)); - aml_append(field, aml_named_field("CBEN", 1)); - aml_append(dev, field); aml_append(scope, dev); aml_append(table, scope);