Re: [PATCH 1/2] ARM: tegra: Add stdout-path for various boards

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On Tue, Feb 9, 2016 at 10:51 PM, Jon Hunter <jonathanh@xxxxxxxxxx> wrote:
> For Tegra boards, the device-tree alias serial0 is used for the console
> and so add the stdout-path information so that the console no longer
> needs to be passed via the kernel boot parameters.
>
> This has been tested on boards, tegra20-trimslice, tegra30-beaver,
> tegra114-dalmore and tegra124-jetson-tk1.
>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
>
> The only boards that I have not modified are tegra114-roth and
> tegra114-tn7 because these boards have two entries for console
> in the *.dts file. AFAICT we cannot suppport multiple consoles
> via the stdout-path and if a console is specified by the kernel
> boot parameters then this sets the kernel variable
> "console_set_on_cmdline" and prevents the stdout-path console
> being registered. If there is a better way to handle these boards
> via device-tree let me know.

These two boards require a hardcoded command-line in the DT anyway,
since the bootloader's command-line cannot be overridden (due to bad
bootloader design). So it seems ok to me to keep specifying the boot
console there for them.
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