The ASMedia ASM1062 SATA controller advertises Max_Payload_Size_Supported of 512, but in fact it cannot handle TLPs with payload size of 512. We discovered this issue on PCIe controllers capable of MPS = 512 (Aardvark and DesignWare), where the issue presents itself as an External Abort. Bjorn Helgaas says: Probably ASM1062 reports a Malformed TLP error when it receives a data payload of 512 bytes, and Aardvark, DesignWare, etc convert this to an arm64 External Abort. Limiting Max Payload Size to 256 bytes solves this problem. Signed-off-by: Marek Behún <kabel@xxxxxxxxxx> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=212695 Reported-by: Rötti <espressobinboardarmbiantempmailaddress@xxxxxxxxx> Cc: Pali Rohár <pali@xxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 4d9b9d8fbc43..a4ba3e3b3c5e 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3239,6 +3239,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SOLARFLARE, PCI_DEVICE_ID_SOLARFLARE_SFC4000A_1, fixup_mpss_256); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SOLARFLARE, PCI_DEVICE_ID_SOLARFLARE_SFC4000B, fixup_mpss_256); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ASMEDIA, 0x0612, fixup_mpss_256); /* * Intel 5000 and 5100 Memory controllers have an erratum with read completion -- 2.31.1
