XIO2213B: can't read back PCIE register value in Linux

And how are you trying to do this?

I use command lspci -xxx -s 06:00 as follow  , and I plug-in the hard drive, nothing happens in the system.

But I do it in UEFI shell or windows , it can work normally and hard drive can be read/write.

This device contains both a PCIe/PCI bridge and an OHCI controller. Both are supported by drivers built into the OS.

It appears that the device gets disabled some time after the PC was booted up. (It would not have been possible to enumerate it without these registers.) Does the OHCI controller device also show up? How is this device connected to the root complex? Please show the output of "lspci -t".

The same, the OHCI controller no show up in Linux, but the OHCI controller can be show up in Windows.

Thanks

I already solved my issue .Thank you.