Re: [PATCH] PCI: cadence: Fixed cdns_pcie_host_link_setup return value.

[Hans Zhang]

On 12/19/24 08:35, Manivannan Sadhasivam wrote:

> > We have 5 PCIe controllers, and if a few of them are not connected to the
> > device. And it will affect the boot time.
>
> Why are you enabling all controllers? Can't you just enable the ones you know
> the endpoints are going to be connected? I'm just trying to see if we can avoid
> having a quirk.

Our SOC has a PC product situation, and there may be PCIe slots on the 
PCB, but the device may not be plugged in. So we need to enable all ports.

> If you do not know, then you need to introduce a quirk for your platform.
> But that requires your controller driver to be upstreamed. We cannot provide
> hooks for downstream drivers in upstream.

Our controller driver currently has no plans for upstream and needs to 
wait for notification from the boss.


Regards
Hans