Re: [RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399

[Chen-Yu Tsai]

On Wed, Sep 8, 2021 at 12:46 AM Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
>
> Per Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt.
>
> This IP block can be used for sampling the PC of any given CPU, which is
> useful in certain panic scenarios where you can't get the CPU to stop
> cleanly (e.g., hard lockup).
>
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>

The datasheet isn't clear on whether the debug subsystem has a separate
power domain or not, so that may bug us later. Otherwise,

Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>