Commit d6ac51fc authored by Jianmin Lv's avatar Jianmin Lv Committed by Hongchen Zhang
Browse files

pci/quirks: ls7a2000: fix pm transition of devices under pcie port 

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



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

Signed-off-by: default avatarJianmin Lv <lvjianmin@loongson.cn>
Change-Id: Ie2c78cc46aa7bde00395906f7e6ab6a09e09a190
parent ef7e64c8

drivers/pci/controller/pci-loongson.c

+20 −0
Original line number Diff line number Diff line
@@ -19,6 +19,12 @@ 
#define DEV_PCIE_PORT_1	0x7a19

#define DEV_PCIE_PORT_2	0x7a29



#define DEV_PCIE_PORT_4 0x7a39

#define DEV_PCIE_PORT_5 0x7a49

#define DEV_PCIE_PORT_6 0x7a59

#define DEV_PCIE_PORT_7 0x7a69





#define DEV_LS2K_APB	0x7a02

#define DEV_LS7A_GMAC	0x7a03

#define DEV_LS7A_DC1	0x7a06
@@ -76,6 +82,20 @@ 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_PCIE_PORT_4, loongson_d3_quirk);

DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON,

			DEV_PCIE_PORT_5, loongson_d3_quirk);

DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON,

			DEV_PCIE_PORT_6, loongson_d3_quirk);

DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_LOONGSON,

			DEV_PCIE_PORT_7, loongson_d3_quirk);



static void loongson_mrrs_quirk(struct pci_dev *pdev)

{

	/*