Hi Michael, Thanks a lot for your comments! > -----Original Message----- > From: Michael Walle <michael@xxxxxxxx> > Sent: 2020年9月18日 19:14 > To: Z.q. Hou <zhiqiang.hou@xxxxxxx> > Cc: Rob Herring <robh@xxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; PCI > <linux-pci@xxxxxxxxxxxxxxx>; Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>; > Bjorn Helgaas <bhelgaas@xxxxxxxxxx>; Gustavo Pimentel > <gustavo.pimentel@xxxxxxxxxxxx>; Ard Biesheuvel <ardb@xxxxxxxxxx> > Subject: Re: [PATCH] PCI: dwc: Added link up check in map_bus of > dw_child_pcie_ops > > Hi Zhiqiang, > > > So the alternative solution seems to correct the PCIe enumeration, I > > will submit a patch to let the first access only read the Vendor ID. > > Please put me on CC of that patch. Saw more comments on this, I'll discuss more with Rob and Bjorn, and must act prudently. Regards, Zhiqiang > > Thanks, > -michael