From: Subramanian Ananthanarayanan Date: Fri, 6 Sep 2024 05:22:27 +0000 (+0530) Subject: PCI: Add ACS quirk for Qualcomm SA8775P X-Git-Tag: v5.15.168~83 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=351a97d9f8e712c640fb9045cc14cbc0c3ad5dbc;p=thirdparty%2Fkernel%2Fstable.git PCI: Add ACS quirk for Qualcomm SA8775P [ Upstream commit 026f84d3fa62d215b11cbeb5a5d97df941e93b5c ] 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: Subramanian Ananthanarayanan Signed-off-by: Krzysztof Wilczyński Signed-off-by: Sasha Levin --- diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 2d648967aa85f..965e2c9406dbd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4946,6 +4946,8 @@ 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 */