Re: [PATCH] Documentation: PCI: pci-error-recovery: rearrange the general sequence
From: Oliver O'Halloran
Date: Fri Jun 18 2021 - 03:21:46 EST
On Fri, Jun 18, 2021 at 4:05 PM Wesley Sheng <wesley.sheng@xxxxxxx> 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.