PCI: Add ACS quirk for Intel 300 series

Intel 300 series chipset still has the same ACS issue as the previous
generations so extend the ACS quirk to cover it as well.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6d0dee40dbe53791e1ce2cd172c904a0115afe9c..785a29ba4f512b8bd8f81ef223c27d6b316c69fd 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4241,6 +4241,11 @@ static int pci_quirk_qcom_rp_acs(struct pci_dev *dev, u16 acs_flags)
  *
  * 0x9d10-0x9d1b PCI Express Root port #{1-12}
  *
+ * The 300 series chipset suffers from the same bug so include those root
+ * ports here as well.
+ *
+ * 0xa32c-0xa343 PCI Express Root port #{0-24}
+ *
  * [1] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-datasheet-vol-2.html
  * [2] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-datasheet-vol-1.html
  * [3] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-spec-update.html
@@ -4258,6 +4263,7 @@ static bool pci_quirk_intel_spt_pch_acs_match(struct pci_dev *dev)
        case 0xa110 ... 0xa11f: case 0xa167 ... 0xa16a: /* Sunrise Point */
        case 0xa290 ... 0xa29f: case 0xa2e7 ... 0xa2ee: /* Union Point */
        case 0x9d10 ... 0x9d1b: /* 7th & 8th Gen Mobile */
+       case 0xa32c ... 0xa343:                         /* 300 series */
                return true;
        }