Re: [PATCH] PCI: dwc: Added link up check in map_bus of dw_child_pcie_ops

[Lorenzo Pieralisi]

On Thu, Oct 01, 2020 at 07:02:04PM +0530, Kishon Vijay Abraham I wrote:

[...]

> >> Yeah, I don't see any registers in the DRA7x PCIe wrapper for disabling
> >> error forwarding.
> > 
> > It's a DWC port logic register AFAICT, but perhaps not present in all versions.
> 
> Okay. I see there's a register PCIECTRL_PL_AXIS_SLV_ERR_RESP which has a
> reset value of 0.
> 
> It has four bit-fields, RESET_TIMEOUT_ERR_MAP, NO_VID_ERR_MAP,
> DBI_ERR_MAP and SLAVE_ERR_MAP. I'm not seeing any difference in behavior
> if I set all these bits. Maybe it requires platform support too. I'll
> check this with our design team.
> 
> Meanwhile would it be okay to add linkup check atleast for DRA7X so that
> we could have it booting in linux-next?

Do you mind sending a patch on top of my pci/dwc please ?

Thanks,
Lorenzo