Commit 9ed939d7d8 for qemu.org

commit 9ed939d7d8bb78d43cd4bcfc163c8f269c9d77f3
Author: pillow <waysorrypub@gmail.com>
Date:   Sun Oct 25 21:55:57 2026 +0800

    hw/loongarch/virt-acpi-build: Drop UART _CCA declaration

    Remove the _CCA property from the UART device. _CCA describes a
    device's DMA cache coherency attributes. This UART does not support
    DMA, so there is no need to declare this property.

    Signed-off-by: pillow <waysorrypub@gmail.com>
    Signed-off-by: Bibo Mao <maobibo@loongson.cn>
    Reviewed-by: Bibo Mao <maobibo@loongson.cn>

diff --git a/hw/loongarch/virt-acpi-build.c b/hw/loongarch/virt-acpi-build.c
index 981e609ffc..c560f25c0b 100644
--- a/hw/loongarch/virt-acpi-build.c
+++ b/hw/loongarch/virt-acpi-build.c
@@ -324,7 +324,6 @@ static void build_uart_device_aml(Aml *table, int index)
     dev = aml_device("COM%d", index);
     aml_append(dev, aml_name_decl("_HID", aml_string("PNP0501")));
     aml_append(dev, aml_name_decl("_UID", aml_int(index)));
-    aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
     crs = aml_resource_template();
     aml_append(crs,
         aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,