On Tue, Jul 27, 2010 at 12:17:13AM +0300, Maxim Levitsky wrote: > However, it is possible, (and that what I asked you) that some ath5k > devices aren't 'pre 1.1 pcie devices' so linux won't disable ASPM L0s > for them. > So indeed for 'good feeling' it is ok to disable L0s from ath5k > explicitly, but most of the time (or always) it will be no-op. > > In *addition* to that, since you said that ASPM L1 *does* work, and is > enabled by BIOS, but linux disables it, that it might be worthy to > enable it again from ath5k driver explicitly. > As long as wireless works I don't really care if this done or not. This may need to be done on a chip by chip basis. Take a look at http://www.atheros.cz/inffile.php?inf=68&bit=32&atheros=AR5002G&system=4 and some of the other inf files on that site to see which devices provide the PciASPMOptIn flag - those should support ASPM states even if they're pre-1.1 devices. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
