LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP -------------------------------- Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn> --- drivers/pci/controller/pci-loongson.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c index cfc4633f2b86..5b74c397cee7 100644 --- a/drivers/pci/controller/pci-loongson.c +++ b/drivers/pci/controller/pci-loongson.c @@ -81,6 +81,20 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, DEV_LS7A_LPC, system_bus_quirk); +static void loongson_d3_quirk(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3; + pdev->no_d1d2 = 1; +} +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON, + DEV_LS7A_PCIE_PORT3, loongson_d3_quirk); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON, + DEV_LS7A_PCIE_PORT4, loongson_d3_quirk); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON, + DEV_LS7A_PCIE_PORT5, loongson_d3_quirk); +DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON, + DEV_LS7A_PCIE_PORT6, loongson_d3_quirk); + static void loongson_mrrs_quirk(struct pci_dev *pdev) { /* -- 2.33.0