]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
PCI: Add ACS quirk for Qualcomm Hamoa & Glymur
authorKrishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Fri, 9 Jan 2026 08:23:32 +0000 (13:53 +0530)
committerBjorn Helgaas <bhelgaas@google.com>
Fri, 6 Feb 2026 22:54:11 +0000 (16:54 -0600)
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
drivers/pci/quirks.c

index 6e3b9d7ca7eebe94047a4e1c544a6ed2876e7cd5..eff77433fbc1d39825b4ca818d427a77aef98012 100644 (file)
@@ -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 */