Re: [PATCH v7 1/2] PCI: iproc: Retry request when CRS returned from EP

[Sinan Kaya]

Hi Oza,

> In working Enumuration case I get following:
> [    9.125976] pci 0000:00:00.0: bridge configuration invalid ([bus
> 00-00]), re-configuring
> [    9.134267] where=0x0 val=0xffff0001
> [    9.146946] where=0x0 val=0xffff0001
> [    9.158943] where=0x0 val=0xffff0001
> [    9.170945] where=0x0 val=0xffff0001
> [    9.186945] where=0x0 val=0xffff0001
> [    9.210944] where=0x0 val=0xffff0001
> [    9.250943] where=0x0 val=0xffff0001
> [    9.322942] where=0x0 val=0xffff0001
> [    9.458943] where=0x0 val=0xffff0001
> [    9.726942] where=0x0 val=0x9538086    >> actual vendor and device id.
> 
> so I think I have to retry in RC driver, so the old code still holds good.
> except that I have to do factoring out
You need to return 0xFFFF0001 for vendor ID register and return 0xFFFFFFFF for
other registers like COMMAND register during the CRS period.

> 
> please let me know If I missed anything, or you want me to try anything else.

Sinan