acpi/gpex: no reason to use a method for _CRS

... just to return something which is constant anyway.

-            Method (_CRS, 0, NotSerialized)  // _CRS: Current Resource Settings
-            {
-                Return (ResourceTemplate ()
-                {
-                    WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
[ ... ]

+            Name (_CRS, ResourceTemplate ()  // _CRS: Current Resource Settings
+            {
+                WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
[ ... ]

Signed-off-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Message-id: 20200928104256[email protected]

diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c
index 6fb951a0c19fc157cc8d5f81211783032cbaf5ef..dbb350a837f8e7f73adfd482b4c28d483f9bc59c 100644 (file)
--- a/hw/pci-host/gpex-acpi.c
+++ b/hw/pci-host/gpex-acpi.c
@@ -57,7 +57,6 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
     aml_append(method, aml_return(aml_int(cfg->ecam.base)));
     aml_append(dev, method);
 
-    method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
     Aml *rbuf = aml_resource_template();
     aml_append(rbuf,
         aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
@@ -89,8 +88,7 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg)
                                     0x0000,
                                     cfg->mmio64.size));
     }
-    aml_append(method, aml_return(rbuf));
-    aml_append(dev, method);
+    aml_append(dev, aml_name_decl("_CRS", rbuf));
 
     /* Declare an _OSC (OS Control Handoff) method */
     aml_append(dev, aml_name_decl("SUPP", aml_int(0)));