# \[PATCH 2/8\] irqdomain: Take interrupt-parent property into account if specified

- From: Linus Walleij \<hidden\>
- Date: 2012-08-14 08:19:11 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2012/08/3907905
- Thread: https://ratatoskr.run/linux-arm-kernel/2012/08/3906104/t.md

```text
On Thu, Aug 9, 2012 at 5:53 PM, Lee Jones [ref] wrote:

> irq_find_host() currently ignores the 'interrupt-parent' property
> even if it's specified in the Device Tree. Meaning that a node can
> match to a domain in its hierarchy even if it doesn't belong to it.
> By searching for the parent first using of_irq_find_parent() we
> insist that the 'interrupt-parent' property is taken into account
> ensuring a greater chance of returning the correct domain.
>
> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> CC: Grant Likely <redacted>
> Signed-off-by: Lee Jones <redacted>

This (with 1/8) is the right solution. Thanks, and I think
Mark may want to look at this too since I recognize he asked
you to work in this direction.

Acked-by: Linus Walleij <redacted>

Yours,
Linus Walleij
```