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PCI: Add ACS quirk for Intel 300 series

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commit f154a718e6 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>
This commit is contained in:
Mika Westerberg 2018-04-27 13:06:30 -05:00 committed by Greg Kroah-Hartman
parent 78923ba967
commit fc0096bcea
1 changed files with 6 additions and 0 deletions
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6
drivers/pci/quirks.c
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@ -4388,6 +4388,11 @@ 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
@ -4405,6 +4410,7 @@ 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;
}