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PCI: Add ACS quirk for Qualcomm Hamoa & Glymur

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The Qualcomm Hamoa & Glymur Root Ports don't advertise an ACS capability,
but they do provide ACS-like features to disable peer transactions and
validate bus numbers in requests.

Add an ACS quirk for Hamoa & Glymur.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260109-acs_quirk-v1-1-82adf95a89ae@oss.qualcomm.com
This commit is contained in:
Krishna Chaitanya Chundru 2026-01-09 13:53:32 +05:30 committed by Bjorn Helgaas
parent f06e0ad226
commit 44d2f70b1f
1 changed files with 4 additions and 0 deletions
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4
drivers/pci/quirks.c
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@ -5125,6 +5125,10 @@ static const struct pci_dev_acs_enabled {
{ PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs },
/* QCOM SA8775P root port */
{ PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs },
/* QCOM Hamoa root port */
{ PCI_VENDOR_ID_QCOM, 0x0111, pci_quirk_qcom_rp_acs },
/* QCOM Glymur root port */
{ PCI_VENDOR_ID_QCOM, 0x0120, pci_quirk_qcom_rp_acs },
/* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */
{ PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs },
/* Intel PCH root ports */