[Trusty][PATCH] iwlwifi: 7000: bump firmware API version to 9

[Grumbach, Emmanuel]

> 
> On Mon, Nov 17, 2014 at 07:30:54PM +0000, Grumbach, Emmanuel wrote:
> > >
> > > Cc Emmanuel Grumbach.
> > >
> > > Hi, Emmanuel
> > >
> > > BugLink: https://bugs.launchpad.net/bugs/1393317
> > >
> > > I'm fixing the disconnecting issue of latest 7625 wireless adapter
> > > in Ubuntu, it needs the latest firmware, so I wanna bump the
> > > firmware version to 9 in Ubuntu 14.04. But I'm not sure if it's OK
> > > to simply bump the version but not upgrade the iwlwifi driver to
> > > latest, especially
> > > 3160 and 7260's firmware version will also be bumped by this patch,
> > > could you please review it?
> > >
> > > Great thanks.
> >
> > I remember that back then, I did touch test -9.ucode on 3.13 and it was
> working.
> > I didn't do thorough testing though.
> > I suggest to check that scheduled scan is disabled in the kernel.
> >
> > This is the code I have in later kernel:
> >
> > 	if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) {
> > 		hw->wiphy->flags |=
> WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
> > 		hw->wiphy->max_sched_scan_ssids =
> PROBE_OPTION_MAX;
> > 		hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
> > 		/* we create the 802.11 header and zero length SSID IE. */
> > 		hw->wiphy->max_sched_scan_ie_len =
> > 			SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2;
> > 	}
> >
> > Please make sure you won't set WIPHY_FLAG_SUPPORTS_SCHED_SCAN
> for -9.ucode.
> 
> Thanks for the feedback, Emmanuel.
> 
> Adam: We don't have the check above in trusty, so you'll need to resubmit
> including a backport of the above change. Please test as thoroughly as you
> can with any Intel 3xxx or 7xxx hardware you've got access to. If you'll point
> me at a build I can help test it as well (but not until next week as I'm travelling
> atm).
> 

Please add profile and then switch off the AP - this is the flow that should go to scheduled scan and that flow was problematic.