[PATCH 007/108] dm: pci: Allow disabling auto-config for a device

Bin Meng bmeng.cn at gmail.com
Sat Feb 8 16:54:38 CET 2020


Hi Simon,

On Sat, Feb 8, 2020 at 11:51 PM Simon Glass <sjg at chromium.org> wrote:
>
> Hi Bin,
>
> On Sat, 8 Feb 2020 at 08:15, Bin Meng <bmeng.cn at gmail.com> wrote:
> >
> > Hi Simon,
> >
> > On Mon, Jan 27, 2020 at 1:08 PM Simon Glass <sjg at 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.

OK, I think this is for debugging purpose, right? As you must have get
Coral boot for some time, and this is only for retaining the console
debug output?

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

Regards,
Bin


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