Re: [PATCH 0/3] ARM: dts: Define stdout-patch for Exynos Chromebooks

Arnd Bergmann
2015-03-17T05:28:09Z

On Tuesday 17 March 2015 10:51:13 Kukjin Kim wrote:
> Javier Martinez Canillas wrote:
> >
> > The kernel can use as the default console a serial port if is defined
> > as stdout device in the Device Tree.
> >
> > This allows a board to be booted without the need of having a console
> > parameter in the kernel command line.
> >
> > This small series add a stdout-path property for Exynos5 Chromebooks and
> > is composed of the following patches:
> >
> > Javier Martinez Canillas (3):
> > ARM: dts: Define stdout-path property for Peach boards
> > ARM: dts: Define stdout-path property for Snow board
> > ARM: dts: Define stdout-path property for Spring board
> >
> > arch/arm/boot/dts/exynos5250-snow.dts | 1 +
> > arch/arm/boot/dts/exynos5250-spring.dts | 1 +
> > arch/arm/boot/dts/exynos5420-peach-pit.dts | 4 ++++
> > arch/arm/boot/dts/exynos5800-peach-pi.dts | 4 ++++
> > 4 files changed, 10 insertions(+)
> >
> + Arnd
>
> Basically, I have no objection to add stdout-path property on board DT but I
> need to ask other ARM guys how they think about? Always I'm questioned what
> should be defined in bootloader before entering kernel and IMHO kernel can do
> it, it should be defined in bootloader though
>
> Let's wait for other opinions...
>

We're trying to do this on all machines now so we can replace
debug_ll with earlycon for any normal use case aside from early
early boot debugging.

Please merge this patch set.

Arnd