# Re: \[PATCH\] Documentation: PCI: pci-error-recovery: rearrange the general sequence

- From: Oliver O'Halloran \<oohall@gmail.com\>
- Date: 2021-06-18 07:21:47 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2021/06/1418794
- Thread: https://ratatoskr.run/linux-pci/2021/06/1418667/t.md

```text
On Fri, Jun 18, 2021 at 4:05 PM Wesley Sheng [ref] wrote:
>
> Reset_link() callback function was called before mmio_enabled() in
> pcie_do_recovery() function actually, so rearrange the general
> sequence betwen step 2 and step 3 accordingly.

I don't think this is true in all cases. If pcie_do_recovery() is
called with state==pci_channel_io_normal (i.e. non-fatal AER) the link
won't be reset. EEH (ppc PCI error recovery thing) also uses
.mmio_enabled() as described.
```