From: Krishna Chaitanya Chundru Date: Fri, 9 Jan 2026 08:23:32 +0000 (+0530) Subject: PCI: Add ACS quirk for Qualcomm Hamoa & Glymur X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44d2f70b1fd72c339c72983fcffa181beae3e113;p=thirdparty%2Fkernel%2Flinux.git PCI: Add ACS quirk for Qualcomm Hamoa & Glymur 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 Signed-off-by: Bjorn Helgaas Link: https://patch.msgid.link/20260109-acs_quirk-v1-1-82adf95a89ae@oss.qualcomm.com --- diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6e3b9d7ca7ee..eff77433fbc1 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -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 */