linux-kernel - [PATCH v2] PCI: Add ACS quirk for NXP LX2160 and LX2162 C/E/N platforms

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Date:   Mon,  2 Aug 2021 17:56:44 +0200
From:   Wasim Khan <wasim.khan@....nxp.com>
To:     bhelgaas@...gle.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     V.Sethi@....com, Wasim Khan <wasim.khan@....com>
Subject: [PATCH v2] PCI: Add ACS quirk for NXP LX2160 and LX2162 C/E/N platforms

From: Wasim Khan <wasim.khan@....com>

LX2160C : security features + CAN-FD
LX2160E : security features + CAN
LX2160N : without security features + CAN
LX2162C : security features + CAN-FD
LX2162E : security features + CAN
LX2162N : without security features + CAN

Root Ports in NXP LX2160 and LX2162 where each Root Port
is a Root Complex with unique segment numbers do provide
isolation features to disable peer transactions and
validate bus numbers in requests, but do not provide an
actual PCIe ACS capability.

Enable ACS quirk for NXP LX2160C/E/N and LX2162C/E/N platforms

Signed-off-by: Wasim Khan <wasim.khan@....com>
---
Changes in v2:
- removed duplicate entry of 0x8d80 and 0x8d88

 drivers/pci/quirks.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 24343a76c034..1ad158066d39 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4787,6 +4787,23 @@ static const struct pci_dev_acs_enabled {
 	{ PCI_VENDOR_ID_NXP, 0x8d80, pci_quirk_nxp_rp_acs },
 	{ PCI_VENDOR_ID_NXP, 0x8d88, pci_quirk_nxp_rp_acs },
 	{ PCI_VENDOR_ID_NXP, 0x8d89, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d90, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d91, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8da1, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8db0, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d92, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d82, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d93, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8da0, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8db1, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d99, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d8a, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d9b, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8da8, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8db9, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d98, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8db8, pci_quirk_nxp_rp_acs },
+	{ PCI_VENDOR_ID_NXP, 0x8d9a, pci_quirk_nxp_rp_acs },
 	/* Zhaoxin Root/Downstream Ports */
 	{ PCI_VENDOR_ID_ZHAOXIN, PCI_ANY_ID, pci_quirk_zhaoxin_pcie_ports_acs },
 	{ 0 }
-- 
2.25.1