merged.

Bruce

In message: [linux-yocto][linux-yocto v5.15/standard/ti-sdk-5.10/ti-j72xx & 
v5.15/standard/preempt-rt/ti-sdk-5.10/ti-j72xx][PATCH]  PCI: j721e: j784s4 
disables retrain Link for Gen2 training
on 09/03/2023 Xulin Sun wrote:

> 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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