Re: [PATCH v3 2/2] PCI: Don't treat ~0 as ready in pci_dev_wait() with RRS SV

[Lukas Wunner]

On Sun, Oct 11, 2026 at 09:01:45PM +0200, Alexander Gruhlke wrote:
> @@ -1235,8 +1237,12 @@ static int pci_dev_wait(struct pci_dev *dev, char *reset_type, int timeout)
>  
>  		if (root && root->config_rrs_sv) {
>  			pci_read_config_dword(dev, PCI_VENDOR_ID, &id);
> -			if (!pci_bus_rrs_vendor_id(id))
> -				break;
> +			if (!pci_bus_rrs_vendor_id(id)) {
> +				if (PCI_POSSIBLE_ERROR(id) && dev->is_virtfn)
> +					pci_read_config_dword(dev, PCI_COMMAND, &id);
> +				if (!PCI_POSSIBLE_ERROR(id))
> +					break;
> +			}
>  		} else {
>  			pci_read_config_dword(dev, PCI_COMMAND, &id);
>  			if (!PCI_POSSIBLE_ERROR(id))

Lean and clean, thank you.  The additional pci_read_config_dword()
exceeds 80 chars, but I guess Bjorn can fix that up when applying
if he dislikes it.

Reviewed-by: Lukas Wunner <lukas@xxxxxxxxx>