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