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krishnachaitanya-linuxSasha Levin
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PCI: Add ACS quirk for Qualcomm Hamoa & Glymur
[ Upstream commit 44d2f70 ] 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 Signed-off-by: Sasha Levin <sashal@kernel.org>
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drivers/pci/quirks.c

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@@ -5117,6 +5117,10 @@ static const struct pci_dev_acs_enabled {
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{ PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs },
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/* QCOM SA8775P root port */
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{ PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs },
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/* QCOM Hamoa root port */
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{ PCI_VENDOR_ID_QCOM, 0x0111, pci_quirk_qcom_rp_acs },
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/* QCOM Glymur root port */
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{ PCI_VENDOR_ID_QCOM, 0x0120, pci_quirk_qcom_rp_acs },
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/* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */
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{ PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs },
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/* Intel PCH root ports */

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