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PCI: loongson: Add more devices that need MRRS quirk

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[ Upstream commit c768f8c5f4 ]

Loongson-2K SOC and LS7A2000 chipset add new PCI IDs that need MRRS
quirk.  Add them.

Link: https://lore.kernel.org/r/20230211023321.3530080-1-chenhuacai@loongson.cn
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Huacai Chen 2023-02-11 10:33:21 +08:00 committed by Greg Kroah-Hartman
parent 94f68f3e05
commit 3dd596f248
1 changed files with 24 additions and 9 deletions
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33
drivers/pci/controller/pci-loongson.c
View file

@ -15,9 +15,14 @@
#include "../pci.h"
/* Device IDs */
#define DEV_PCIE_PORT_0 0x7a09
#define DEV_PCIE_PORT_1 0x7a19
#define DEV_PCIE_PORT_2 0x7a29
#define DEV_LS2K_PCIE_PORT0 0x1a05
#define DEV_LS7A_PCIE_PORT0 0x7a09
#define DEV_LS7A_PCIE_PORT1 0x7a19
#define DEV_LS7A_PCIE_PORT2 0x7a29
#define DEV_LS7A_PCIE_PORT3 0x7a39
#define DEV_LS7A_PCIE_PORT4 0x7a49
#define DEV_LS7A_PCIE_PORT5 0x7a59
#define DEV_LS7A_PCIE_PORT6 0x7a69
#define DEV_LS2K_APB 0x7a02
#define DEV_LS7A_GMAC 0x7a03
@ -53,11 +58,11 @@ static void bridge_class_quirk(struct pci_dev *dev)
dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_0, bridge_class_quirk);
DEV_LS7A_PCIE_PORT0, bridge_class_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_1, bridge_class_quirk);
DEV_LS7A_PCIE_PORT1, bridge_class_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_2, bridge_class_quirk);
DEV_LS7A_PCIE_PORT2, bridge_class_quirk);
static void system_bus_quirk(struct pci_dev *pdev)
{
@ -87,11 +92,21 @@ static void loongson_mrrs_quirk(struct pci_dev *pdev)
bridge->no_inc_mrrs = 1;
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_0, loongson_mrrs_quirk);
DEV_LS2K_PCIE_PORT0, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_1, loongson_mrrs_quirk);
DEV_LS7A_PCIE_PORT0, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_PCIE_PORT_2, loongson_mrrs_quirk);
DEV_LS7A_PCIE_PORT1, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT2, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT3, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT4, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT5, loongson_mrrs_quirk);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
DEV_LS7A_PCIE_PORT6, loongson_mrrs_quirk);
static void loongson_pci_pin_quirk(struct pci_dev *pdev)
{