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[PATCH v3 2/7] arm/virt/acpi: remove meaningless sub device "RP0" from P

From: Heyi Guo
Subject: [PATCH v3 2/7] arm/virt/acpi: remove meaningless sub device "RP0" from PCI0
Date: Tue, 4 Feb 2020 09:43:20 +0800

The sub device "RP0" under PCI0 in ACPI/DSDT does not contain any
method or property other than "_ADR", so it is safe to remove it.

Signed-off-by: Heyi Guo <address@hidden>
Acked-by: "Michael S. Tsirkin" <address@hidden>

Cc: Peter Maydell <address@hidden>
Cc: "Michael S. Tsirkin" <address@hidden>
Cc: Igor Mammedov <address@hidden>
Cc: Shannon Zhao <address@hidden>
Cc: address@hidden
Cc: address@hidden
 hw/arm/virt-acpi-build.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index bd5f771e9b..9f4c7d1889 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -317,10 +317,6 @@ static void acpi_dsdt_add_pci(Aml *scope, const 
MemMapEntry *memmap,
     aml_append(method, aml_return(buf));
     aml_append(dev, method);
-    Aml *dev_rp0 = aml_device("%s", "RP0");
-    aml_append(dev_rp0, aml_name_decl("_ADR", aml_int(0)));
-    aml_append(dev, dev_rp0);
     Aml *dev_res0 = aml_device("%s", "RES0");
     aml_append(dev_res0, aml_name_decl("_HID", aml_string("PNP0C02")));
     crs = aml_resource_template();

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