Hasso Tepper <[EMAIL PROTECTED]> wrote: > http://leaf.dragonflybsd.org/~hasso/pci-detatch-powerdown.patch > > With this tiny patch power is turned off for PCI devices during detach > (ie. when you unload module). It makes is possible to preserve power in > laptops (and make them cooler) with unloading network and/or sound device > modules not in use and load them only if really needed. > > However, I'm really not sure about all consequences this patch might > cause, might knowledge about newbus and friends are still quite limited. > Any objections to commit this? > > Tested with em(4), ath(4) and snd_hda(4). >
Nice! Do the modules have to be loaded (and then unloaded) for this to take effect or is it enough to just not load them in the first place? Thanks, Johannes
