I'm new to Ubuntu but somewhat familiar with PCI. I noticed that when I disable networking (by unchecking the 'Enable Networking') the eth controller moves to D3 state (sudo lspci -vv), but that also means I have no WiFi and it too moves to D3.
Is it possible to 'decouple' the two? I never use the eth, and would like to have it turned off / in D3 in order to save power, but would still like to have WiFi.
Thanks in advance...
rmmod
the driver the device is still on (D0).