[U-Boot] [PATCH 3/3] Powerpc: pcie: Make pcie link state judgement more specific

[York Sun]

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