# Re: \[PATCH v3 2/2\] powerpc/powermac: constify device\_node in of\_irq\_parse\_oldworld()

- From: Rob Herring \<robh@kernel.org\>
- Date: 2021-10-04 17:00:19 
- List: linux-devicetree
- Page: https://ratatoskr.run/linux-devicetree/2021/10/1530331
- Thread: https://ratatoskr.run/linux-devicetree/2021/09/1520531/t.md

```text
On Fri, 24 Sep 2021 12:56:53 +0200, Krzysztof Kozlowski wrote:
> The of_irq_parse_oldworld() does not modify passed device_node so make
> it a pointer to const for safety.  Drop the extern while modifying the
> line.
> 
> Signed-off-by: Krzysztof Kozlowski <redacted>
> 
> ---
> 
> Changes since v1:
> 1. Drop extern.
> ---
>  arch/powerpc/platforms/powermac/pic.c | 2 +-
>  include/linux/of_irq.h                | 6 +++---
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 

Acked-by: Rob Herring <robh@kernel.org>
```