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LoongArch: pci root bridige set acpi companion only when not acpi_disabled. 

Upstream: no

Fix patch "LoongArch: Add PCI controller support"

Signed-off-by: Tianli Xiong <xiongtianli@loongson.cn>
Signed-off-by: Ming Wang <wangming01@loongson.cn>
This commit is contained in:
Tianli Xiong 2023-12-18 10:20:21 +08:00 committed by aurelianliu
parent 3aa7d2b12c
commit 15d29ccac6
1 changed files with 8 additions and 7 deletions
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15
arch/loongarch/pci/acpi.c
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@ -26,16 +26,17 @@ void pcibios_add_bus(struct pci_bus *bus)
int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
{
struct acpi_device *adev = NULL;
struct device *bus_dev = &bridge->bus->dev;
struct pci_config_window *cfg = bridge->bus->sysdata;
if (!acpi_disabled)
if (!acpi_disabled) {
struct acpi_device *adev = NULL;
struct device *bus_dev = &bridge->bus->dev;
struct pci_config_window *cfg = bridge->bus->sysdata;
adev = to_acpi_device(cfg->parent);
ACPI_COMPANION_SET(&bridge->dev, adev);
set_dev_node(bus_dev, pa_to_nid(cfg->res.start));
ACPI_COMPANION_SET(&bridge->dev, adev);
set_dev_node(bus_dev, pa_to_nid(cfg->res.start));
}
return 0;
}