Re: [PATCH v2] of: base: Skip CPU nodes with "fail"/"fail-..." status

[Rob Herring <robh@kernel.org>]

On Mon, 22 Nov 2021 12:45:36 +0100, Matthias Schiffer wrote:
> Allow fully disabling CPU nodes using status = "fail".
> 
> This allows a bootloader to change the number of available CPUs (for
> example when a common DTS is used for SoC variants with different numbers
> of cores) without deleting the nodes altogether, which could require
> additional fixups to avoid dangling phandle references.
> 
> Unknown status values (everything that is not "okay"/"ok", "disabled" or
> "fail"/"fail-...") will continue to be interpreted like "disabled",
> meaning that the CPU can be enabled during boot.
> 
> References:
> - https://www.lkml.org/lkml/2020/8/26/1237
> - https://www.spinics.net/lists/devicetree-spec/msg01007.html
> - https://github.com/devicetree-org/dt-schema/pull/61
> 
> Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
> ---
> 
> v2: Treat unknown status values like "disabled", not like "fail"
> 
> 
>  drivers/of/base.c | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 

Applied, thanks!