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hw/acpi/pcihp: Remove root arg in acpi_pcihp_init

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Let pass the root bus to ich9 and piix4 through a property link
instead of through an argument passed to acpi_pcihp_init().

Also make sure the root bus is set at the entry of acpi_pcihp_init().

The rationale of that change is to be consistent with the forecoming ARM
implementation where the machine passes the root bus (steming from GPEX)
to the GED device through a link property.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20250714080639.2525563-28-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eric Auger
2025-07-15 02:56:40 -04:00
committed by Michael S. Tsirkin
parent 8c58dc0531
commit b8c7ebbb70
5 changed files with 14 additions and 6 deletions
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include/hw/acpi/pcihp.h
+1 -1
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@@ -62,7 +62,7 @@ typedef struct AcpiPciHpState {
bool use_acpi_root_pci_hotplug;
} AcpiPciHpState;
void acpi_pcihp_init(Object *owner, AcpiPciHpState *, PCIBus *root,
void acpi_pcihp_init(Object *owner, AcpiPciHpState *,
MemoryRegion *io, uint16_t io_base);
bool acpi_pcihp_is_hotpluggable_bus(AcpiPciHpState *s, BusState *bus);