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hw/i386/acpi-build: Use AcpiPciHpState::root in acpi_set_pci_info

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pcihp acpi_set_pci_info() generic code currently uses
acpi_get_i386_pci_host() to retrieve the pci host bridge.

To make it work also on ARM we get rid of that call and
directly use AcpiPciHpState::root.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Message-Id: <20250714080639.2525563-16-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 e87ab64e8f
commit b9dc4e04c8
1 changed files with 4 additions and 7 deletions
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hw/acpi/pcihp.c
+4 -7
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@@ -99,10 +99,10 @@ static void *acpi_set_bsel(PCIBus *bus, void *opaque)
return info;
}
static void acpi_set_pci_info(bool has_bridge_hotplug)
static void acpi_set_pci_info(AcpiPciHpState *s)
{
static bool bsel_is_set;
Object *host = acpi_get_i386_pci_host();
bool has_bridge_hotplug = s->use_acpi_hotplug_bridge;
PCIBus *bus;
BSELInfo info = { .bsel_alloc = ACPI_PCIHP_BSEL_DEFAULT,
.has_bridge_hotplug = has_bridge_hotplug };
@@ -112,11 +112,8 @@ static void acpi_set_pci_info(bool has_bridge_hotplug)
}
bsel_is_set = true;
if (!host) {
return;
}
bus = PCI_HOST_BRIDGE(host)->bus;
bus = s->root;
if (bus) {
/* Scan all PCI buses. Set property to enable acpi based hotplug. */
pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &info);
@@ -266,7 +263,7 @@ static void acpi_pcihp_update(AcpiPciHpState *s)
void acpi_pcihp_reset(AcpiPciHpState *s)
{
acpi_set_pci_info(s->use_acpi_hotplug_bridge);
acpi_set_pci_info(s);
acpi_pcihp_update(s);
}