4.9-stable review patch. If anyone has any objections, please let me know.
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From: Mika Westerberg mika.westerberg@linux.intel.com
commit f154a718e6cc0d834f5ac4dc4c3b174e65f3659e upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/pci/quirks.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4236,6 +4236,11 @@ static int pci_quirk_qcom_rp_acs(struct * * 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... * [2] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-datasheet... * [3] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-spec-upda... @@ -4253,6 +4258,7 @@ static bool pci_quirk_intel_spt_pch_acs_ 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; }