linux-kernel - [PATCH AUTOSEL 6.2 57/64] PCI: loongson: Add more devices that need MRRS quirk

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Date:   Fri,  3 Mar 2023 16:40:59 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Huacai Chen <chenhuacai@...ngson.cn>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Sasha Levin <sashal@...nel.org>, lpieralisi@...nel.org,
        kw@...ux.com, linux-pci@...r.kernel.org
Subject: [PATCH AUTOSEL 6.2 57/64] PCI: loongson: Add more devices that need MRRS quirk

From: Huacai Chen <chenhuacai@...ngson.cn>

[ Upstream commit c768f8c5f40fcdc6f058cc2f02592163d6c6716c ]

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@...ngson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/controller/pci-loongson.c | 33 +++++++++++++++++++--------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c
index 759ec211c17bf..fe0f732f6e434 100644
--- a/drivers/pci/controller/pci-loongson.c
+++ b/drivers/pci/controller/pci-loongson.c
@@ -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)
 {
-- 
2.39.2