acpi: drop pointless _STA method
When returning a constant there is no point in having a method
in the first place, _STA can be a simple integer instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200429140003.7336-5-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 23c77ee..3a046b0 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1151,14 +1151,11 @@
{
Aml *dev;
Aml *crs;
- Aml *method;
dev = aml_device("KBD");
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0303")));
- method = aml_method("_STA", 0, AML_NOTSERIALIZED);
- aml_append(method, aml_return(aml_int(0x0f)));
- aml_append(dev, method);
+ aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
crs = aml_resource_template();
aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01));
@@ -1173,14 +1170,11 @@
{
Aml *dev;
Aml *crs;
- Aml *method;
dev = aml_device("MOU");
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
- method = aml_method("_STA", 0, AML_NOTSERIALIZED);
- aml_append(method, aml_return(aml_int(0x0f)));
- aml_append(dev, method);
+ aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
crs = aml_resource_template();
aml_append(crs, aml_irq_no_flags(12));
@@ -2238,9 +2232,7 @@
TPM_CRB_ADDR_SIZE, AML_READ_WRITE));
aml_append(dev, aml_name_decl("_CRS", crs));
- method = aml_method("_STA", 0, AML_NOTSERIALIZED);
- aml_append(method, aml_return(aml_int(0x0f)));
- aml_append(dev, method);
+ aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
tpm_build_ppi_acpi(tpm, dev);