Comment 57 for bug 404626

>since the pciehp hotplug bug exists you still won't see it in the pci
>listing unless you have the grub option set to force pciehp.

Hasn't this bug been fixed already?

> will the wifi card be visible with lspci, if the driver is not present?
>

Anyway, even if the bug is not fixed, the card should be visible after reboot with wifi enabled.

>Any suggestions on how to proceed to get wlan working, preferably so also

You could compile the kernel yourself and enable staging drivers there.