Re: [PATCH v3] PCI/portdrv: Allow AER service only for Root Ports & RCECs

[Christoph Hellwig]

On Fri, Dec 09, 2022 at 06:29:22PM -0600, Bjorn Helgaas wrote:
> +	if ((pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT ||
> +             pci_pcie_type(dev) == PCI_EXP_TYPE_RC_EC) &&
> +	    dev->aer_cap && pci_aer_available() &&
>  	    (pcie_ports_native || host->native_aer))

Eww, this is really hard to follow.  Can you split this out into
a little helper, that actually documents the decisions based
on some of the wording you have in the current comit message?