Commit 8c24766b authored by Tianli Xiong's avatar Tianli Xiong Committed by Hongchen Zhang
Browse files

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

LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP



--------------------------------

Fix patch "LoongArch: Add PCI controller support"

Signed-off-by: default avatarTianli Xiong <xiongtianli@loongson.cn>
parent 5bd43cec

arch/loongarch/pci/acpi.c

+8 −7
Original line number Diff line number Diff line
@@ -26,16 +26,17 @@ void pcibios_add_bus(struct pci_bus *bus) 


int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)

{



	if (!acpi_disabled) {

		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);



		ACPI_COMPANION_SET(&bridge->dev, adev);

		set_dev_node(bus_dev, pa_to_nid(cfg->res.start));



	}

	return 0;

}