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.
l Abort received on 0x80000000 from S-EL1 ERROR: exception reason=0 syndrome=0xbf000000 Unhandled Exception from EL1 x0 = 0xfffffe000c6c0000 x1 = 0x0000000000000000 x2 = 0xfffffe0010c00008 x3 = 0x0000000000000001 x4 = 0x000000000000000b x5 = 0xfffffc0804578800 x6 = 0x0000000000000001 x7 = 0x0000000000000000 x8 = 0xfffffe0009cef710 x9 = 0xfffffe00086536dc x10 = 0x0101010101010101 x11 = 0x0000000000000028 x12 = 0x666e6f636572202c x13 = 0xfffffc08001f229a x14 = 0xffffffffffffffff x15 = 0xfffffc08001f2a1c x16 = 0x000013dfbf08dc14 x17 = 0x0000000000000002 x18 = 0xffffffffffffffff x19 = 0x0000000000000004 x20 = 0xfffffe0009cef7b4 x21 = 0x0000000000000087 x22 = 0xfffffe0009cef854 x23 = 0x0000000000000000 x24 = 0xfffffe0009812fa0 x25 = 0x0000000000000001 x26 = 0xfffffc08045790e0 x27 = 0xfffffe0009658eb8 x28 = 0xfffffc0804578800 x29 = 0xfffffe0009cef740 x30 = 0xfffffe0008626aec scr_el3 = 0x000000000000073d sctlr_el3 = 0x0000000030cd183f cptr_el3 = 0x0000000000000000 tcr_el3 = 0x0000000080803520 daif = 0x00000000000002c0 mair_el3 = 0x00000000004404ff spsr_el3 = 0x00000000200000c5 elr_el3 = 0xfffffe0008626b04 ttbr0_el3 = 0x0000000070011cc0 esr_el3 = 0x00000000bf000000 far_el3 = 0x0000000000000000 spsr_el1 = 0x0000000000000005 elr_el1 = 0xfffffe0008073a90 spsr_abt = 0x0000000000000000 spsr_und = 0x0000000000000000 spsr_irq = 0x0000000000000000 spsr_fiq = 0x0000000000000000 sctlr_el1 = 0x0000000034d4d91d actlr_el1 = 0x0000000000000000 cpacr_el1 = 0x0000000000300000 csselr_el1 = 0x0000000000000000 sp_el1 = 0xfffffe0009cef740 esr_el1 = 0x0000000000000000 ttbr0_el1 = 0x0000000083070000 ttbr1_el1 = 0x0000000083080000 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 85b29403abec..8866ceffea2a 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -483,7 +483,7 @@ static const struct j721e_pcie_data am64_pcie_ep_data = { static const struct j721e_pcie_data j784s4_pcie_rc_data = { .mode = PCI_MODE_RC, - .quirk_retrain_flag = true, + .quirk_retrain_flag = false, .is_intc_v1 = true, .byte_access_allowed = false, .linkdown_irq_regfield = LINK_DOWN, -- 2.36.1
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