On Wed, 2 Sep 2020 11:36:57 +1000, Oliver O'Halloran wrote:
> The pnv_phb->initialized flag is an odd beast. It was added back in 2012 in
> commit db1266c85261 ("powerpc/powernv: Skip check on PE if necessary") to
> allow devices to be enabled even if the device had not yet been assigned to
> a PE. Allowing the device to be enabled before the PE is configured may
> cause spurious EEH events since none of the IOMMU context has been setup.
>
> I'm not entirely sure why this was ever necessary. My best guess is that it
> was an workaround for a bug or some other undesireable behaviour from the
> PCI core. Either way, it's unnecessary now since as of commit dc3d8f85bb57
> ("powerpc/powernv/pci: Re-work bus PE configuration") we can guarantee that
> the PE will be configured before the PCI core will allow drivers to bind to
> the device.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/powernv/pci: Drop pnv_phb->initialized
https://git.kernel.org/powerpc/c/24b4c6b1a7fc79fe8142d50cb439944b81b659ff
cheers
