Pali Rohár <pali.rohar@xxxxxxxxx> writes: > On Friday 27 January 2017 14:26:22 Kalle Valo wrote: >> Pali Rohár <pali.rohar@xxxxxxxxx> writes: >> >> > 2) It was already tested that example NVS data can be used for N900 e.g. >> > for SSH connection. If real correct data are not available it is better >> > to use at least those example (and probably log warning message) so user >> > can connect via SSH and start investigating where is problem. >> >> I disagree. Allowing default calibration data to be used can be >> unnoticed by user and left her wondering why wifi works so badly. > > So there are only two options: > > 1) Disallow it and so these users will have non-working wifi. > > 2) Allow those data to be used as fallback mechanism. > > And personally I'm against 1) because it will break wifi support for > *all* Nokia N900 devices right now. All two of them? :) But not working is exactly my point, if correct calibration data is not available wifi should not work. And it's not only about functionality problems, there's also the regulatory aspect. >> > 3) If we do rename *now* we will totally break wifi support on Nokia >> > N900. >> >> Then the distro should fix that when updating the linux-firmware >> packages. Can you provide details about the setup, what distro etc? > > Debian stable, Ubuntu LTSs 14.04, 16.04. You can run these out of box on N900? > And I think that other LTS distributions contains that example nvs > file too (I'm not going to verify others, but list will be probably > long). Upgrading linux-firmware is against policy of those > distributions. So no this is not an solution. So instead we should workaround distro policies in kernel? Come on. Seriously, just rename the file in linux-firmware and file a bug (with a patch) to distros. If they don't fix the bug you just have to do a custom hack for N900. But such is life. -- Kalle Valo