On 11/08/2017 10:45 PM, Xiaowei Bao wrote: > > Hi York, > > For the general pcie devices, it will not bring delay, because the RC access > these > devices can get the link up state correctly, usually, if the slot have the > device, > return the L0 state, if the slot have not device, return DETECT state, but > for > a few device, the initial phase it may be polling state(this issue is > feedback from > customer, we have not this device), After a period of time, the device resume > the > L0 state, so for this type of device, we need wait a moment, and about the 1 > ms delay, > It is estimate value, in other words, if this type device resume the L0 > state within > the 1ms, we consider that it is link up. >
Joakim, Do you accept this reasoning? Can you test on your hardware? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
