On Wed, 2015-02-18 at 09:50 -0600, Rob Herring wrote:
> On Wed, Feb 18, 2015 at 7:51 AM, Julien Grall <julien.gr...@linaro.org> wrote:
> > From: Ard Biesheuvel <ard.biesheu...@linaro.org>
> >
> > This patch registers hvc0 as the preferred console if no console
> > has been specified explicitly on the kernel command line.
> >
> > The purpose is to allow platform agnostic kernels and boot images
> > (such as distro installers) to boot in a Xen/ARM domU without the
> > need to modify the command line by hand.
> 
> How does this interact with DT chosen stdout-path?

I think it shouldn't any more than the existing calls from e.g. the 8250
driver to preferred_console do.

> Is there a node for hvc0?

Not a direct one, it is inferred from the presence of the general Xen
node. I did vaguely consider handling a stdout-path pointing to that --
but it seemed a bit of an abuse.

Ian.


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