From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-pci@vger.kernel.org
Subject: [PATCH] PCI: Add ACS quirk for Intel 300 series chipset
Date: Fri, 27 Apr 2018 13:44:23 +0300 [thread overview]
Message-ID: <20180427104423.2203-1-mika.westerberg@linux.intel.com> (raw)
Intel 300 series chipset still has the same ACS issue than the previous
generations so extend the ACS quirk to cover it as well.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/pci/quirks.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 2990ad1e7c99..7a0f41176369 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4230,6 +4230,11 @@ static int pci_quirk_qcom_rp_acs(struct pci_dev *dev, u16 acs_flags)
* 0xa290-0xa29f PCI Express Root port #{0-16}
* 0xa2e7-0xa2ee PCI Express Root port #{17-24}
*
+ * 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
@@ -4244,6 +4249,7 @@ static bool pci_quirk_intel_spt_pch_acs_match(struct pci_dev *dev)
switch (dev->device) {
case 0xa110 ... 0xa11f: case 0xa167 ... 0xa16a: /* Sunrise Point */
case 0xa290 ... 0xa29f: case 0xa2e7 ... 0xa2ee: /* Union Point */
+ case 0xa32c ... 0xa343: /* 300 series */
return true;
}
--
2.17.0
next reply other threads:[~2018-04-27 10:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-27 10:44 Mika Westerberg [this message]
2018-04-27 18:10 ` [PATCH] PCI: Add ACS quirk for Intel 300 series chipset Bjorn Helgaas
2018-04-29 7:03 ` Mika Westerberg
2018-08-15 21:21 ` Alex Williamson
2018-08-15 22:43 ` Alex Williamson
2018-08-16 6:10 ` Mika Westerberg
2018-08-16 15:13 ` Alex Williamson
2018-08-16 19:28 ` Mika Westerberg
2018-08-16 20:25 ` Alex Williamson
2018-08-17 9:37 ` Mika Westerberg
2018-09-05 9:58 ` Mika Westerberg
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