From: Shannon Zhao <shannon.zhao@xxxxxxxxxxxxxxxxx> Like commit f2ddaf8(PCI: Apply Cavium ThunderX ACS quirk to more Root Ports), it should apply ACS quirk to ThunderX 2 root port devices. Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxxxxxxxxx> --- drivers/pci/quirks.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 28c64f8..ea7848b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4224,10 +4224,12 @@ static bool pci_quirk_cavium_acs_match(struct pci_dev *dev) * family by 0xf800 mask (which represents 8 SoCs), while the lower * bits of device ID are used to indicate which subdevice is used * within the SoC. + * Effectively selects the ThunderX 2 root ports whose device ID + * is 0xaf84. */ return (pci_is_pcie(dev) && (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) && - ((dev->device & 0xf800) == 0xa000)); + ((dev->device & 0xf800) == 0xa000 || dev->device == 0xaf84)); } static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags) -- 1.8.3.1