On Tue, Aug 20, 2019 at 12:45 PM Luciano Coelho <luciano.coelho@xxxxxxxxx> wrote: > > On Sat, 2019-08-17 at 17:44 -0400, Stuart Little wrote: > > After some private coaching from Serge Belyshev on git-revert I can > > confirm that reverting that commit atop the current tree resolves the > > issue (the wifi card scans for and finds networks just fine, no dmesg > > errors reported, etc.). > > Sorry for the delay in responding, I had to go and dig in our FW > sources to see what was going on. > > Unfortunately when this feature was implemented in the FW, we forgot to > add the usual flag (capabilities TLV) that we add to let the driver > know whether the command is supported or not. So we need to match on > the FW version instead, but apparently that doesn't work for all > different NICs. > > I'll have to look into all NIC/FW-version combinations that we have and > update the iwl_mvm_sar_geo_support() function accordingly, which is, > BTW, the easier place for you to change if you want to workaround the > issue. For the records (here: Linux v5.2.y) "iwlwifi: Add support for SAR South Korea limitation" https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=linux-5.2.y&id=2b9d99b399d5e4cd516973a4c56035fb0e2ee744 - Sedat -