Unverified Commit 026f84d3 authored by Subramanian Ananthanarayanan's avatar Subramanian Ananthanarayanan Committed by Krzysztof Wilczyński
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PCI: Add ACS quirk for Qualcomm SA8775P 

The Qualcomm SA8775P 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.

Thus, add an ACS quirk for the SA8775P.

Link: https://lore.kernel.org/linux-pci/20240906052228.1829485-1-quic_skananth@quicinc.com


Signed-off-by: default avatarSubramanian Ananthanarayanan <quic_skananth@quicinc.com>
Signed-off-by: default avatarKrzysztof Wilczyński <kwilczynski@kernel.org>
parent 8400291e

drivers/pci/quirks.c

+2 −0
Original line number Diff line number Diff line
@@ -5070,6 +5070,8 @@ static const struct pci_dev_acs_enabled { 
	/* QCOM QDF2xxx root ports */

	{ PCI_VENDOR_ID_QCOM, 0x0400, pci_quirk_qcom_rp_acs },

	{ PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs },

	/* QCOM SA8775P root port */

	{ PCI_VENDOR_ID_QCOM, 0x0115, 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 */