From: Tianli Xiong xiongtianli@loongson.cn
LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP
--------------------------------
Fix patch "LoongArch: Add PCI controller support"
Signed-off-by: Tianli Xiong xiongtianli@loongson.cn --- arch/loongarch/pci/acpi.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/loongarch/pci/acpi.c b/arch/loongarch/pci/acpi.c index c2219ac1d7e8..7dabf8d304eb 100644 --- a/arch/loongarch/pci/acpi.c +++ b/arch/loongarch/pci/acpi.c @@ -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) - adev = to_acpi_device(cfg->parent); + if (!acpi_disabled) { + struct acpi_device *adev = NULL; + struct device *bus_dev = &bridge->bus->dev; + struct pci_config_window *cfg = bridge->bus->sysdata;
- ACPI_COMPANION_SET(&bridge->dev, adev); - set_dev_node(bus_dev, pa_to_nid(cfg->res.start)); + adev = to_acpi_device(cfg->parent);
+ ACPI_COMPANION_SET(&bridge->dev, adev); + set_dev_node(bus_dev, pa_to_nid(cfg->res.start)); + } return 0; }