Hi Bin, On Sat, 8 Feb 2020 at 08:15, Bin Meng <bmeng...@gmail.com> wrote: > > Hi Simon, > > On Mon, Jan 27, 2020 at 1:08 PM Simon Glass <s...@chromium.org> wrote: > > > > Add a means to avoid configuring a device when needed. Add an explanation > > of why this is useful to the binding file. > > > > Does disabling CONFIG_PCI_PNP not help?
That is for all devices. Here we just want the UART to stay where it is so that we can debug serial drivers, FSP-S, etc. If the UART moves then any output after that hangs the machine until we reinit the serial driver. > > > Signed-off-by: Simon Glass <s...@chromium.org> > > --- > > > > doc/device-tree-bindings/pci/x86-pci.txt | 24 ++++++++++++++++++++++++ > > drivers/pci/pci-uclass.c | 2 ++ > > 2 files changed, 26 insertions(+) > > Regards, SImon