The quirk_retrain_flag = true is to retrain link for Gen2 training, however this will cause LINKDOWN and below call trace, here set the flag to false to fix this issue.
ERROR: Unhandled External Abort received on 0x80000000 from S-EL1 ERROR: exception reason=0 syndrome=0xbf000000 Unhandled Exception from EL1 x0 = 0xfffffe0018ab0000 x1 = 0x0000000000000000 x2 = 0xfffffe001a400008 x3 = 0x0000000000000001 x4 = 0x000000000000000b x5 = 0xfffffc0805588000 x6 = 0xfffffc08010ae130 x7 = 0x0000000000000000 x8 = 0xfffffe0012e66c28 x9 = 0xfffffe00109ad980 x10 = 0x0000000006aa84f3 x11 = 0x00000000000c0266 x12 = 0xfffffc0805aa829a x13 = 0xfffffc0805aa8a1c x14 = 0xffffffffffffffff x15 = 0xfffffc08010adc98 x16 = 0x0000000000000002 x17 = 0x0000000000000001 x18 = 0x0000000000000020 x19 = 0xfffffe00149cf734 x20 = 0x0000000000000004 x21 = 0xfffffc080418b000 x22 = 0x0000000000000087 x23 = 0xfffffe00149cf7e4 x24 = 0x0000000000000000 x25 = 0xfffffe0012d5aea8 x26 = 0x0000000000000001 x27 = 0xfffffc0805588000 x28 = 0xfffffc080418b000 x29 = 0xfffffe00149cf6b0 x30 = 0xfffffe001097dbd4 scr_el3 = 0x000000000000073d sctlr_el3 = 0x0000000030cd183f cptr_el3 = 0x0000000000000000 tcr_el3 = 0x0000000080803520 daif = 0x00000000000002c0 mair_el3 = 0x00000000004404ff Signed-off-by: Xulin Sun <[email protected]> --- drivers/pci/controller/cadence/pci-j721e.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c index e2256be5ad2a..59eb8065f247 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -433,7 +433,7 @@ static struct pci_ops cdns_ti_pcie_host_ops = { static const struct j721e_pcie_data j721e_pcie_rc_data = { .mode = PCI_MODE_RC, - .quirk_retrain_flag = true, + .quirk_retrain_flag = false, .byte_access_allowed = false, .linkdown_irq_regfield = LINK_DOWN, .is_intc_v1 = true, -- 2.36.0
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