# Re: \[PATCH 3/6\] powerpc/fsl-pci: Determine primary bus by looking for ISA node

- From: Scott Wood \<hidden\>
- Date: 2012-07-27 01:34:32 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/07/9470532
- Thread: https://ratatoskr.run/linuxppc-dev/2012/07/9470407/t.md

```text
On 07/25/2012 09:20 PM, Jia Hongtao-B38951 wrote:
> All this recursion thing I will try another way.
> 
> But this is not the same as you did. If we use platform driver probe function
> will be called more than once. Your function is to find ISA node and check if
> the parent equal to this PCI controller. My function is to search ISA under
> each PCI controller.

The result is the same -- "does this PCI controller have an ISA node
under it?"

-Scott
```