[U-Boot] [PATCH] tegra: config: Add 'pci enum' to preboot when PCI is enabled

[Alban Bedel]

On Wed, 3 Aug 2016 19:16:57 -0600
Simon Glass <sjg at chromium.org> wrote:

> Hi,
> 
> On 3 August 2016 at 09:37, Stephen Warren <swarren at wwwdotorg.org> wrote:
> > On 08/03/2016 03:35 AM, Alban Bedel wrote:
> >>
> >> For simplicity and backward compatibility automatically run 'pci enum'
> >> via preboot when PCI is enabled. As preboot is already used for the
> >> USB keyboard support this rework how CONFIG_PREBOOT is set to allow
> >> combining several commands.
> >
> >
> > For better or worse, this was a deliberate change, so I don't think this
> > patch will be accepted.
> >
> > If it is, then you should apply it to all boards, not just Tegra boards, and
> > adjust include/config_distro_bootcmd.h since it will no longer need to run
> > "pci enum", and also test/py/tests/test_net.py won't need to either.
> 
> The boards which need PCI to boot are still few... we've talked about
> this before. It would be great if we could find a way to detect or be
> told that boot devices are on PCI and probe it accordingly. Perhaps we
> should have a driver flag?

In my case I needed this for network boot. However I just found out
that with a properly reseted environment this is already handled, so
this is not needed. Sorry for the noise.

Alban

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