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Re: [PATCH 1/6] iwlwifi: schedule to deprecate software scan support

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On Thu, Oct 07, 2010 at 10:39:50AM +0200, Johannes Berg wrote:
> On Wed, 2010-10-06 at 15:03 -0400, John W. Linville wrote:
> 
> > > The current HW scan implementation was improve a lot and sw scan will
> > > cause problem, especially once we introduce P2P.
> > 
> > What support issues are caused by supporting software scanning?
> > 
> > Whatever issues are caused by scanning with P2P, doesn't mac80211
> > have to handle them anyway?
> 
> Technically, yes, but there are some things it doesn't handle today, and
> there are some things in mac80211's scan implementation that
> unfortunately make our firmware somewhat unhappy. Also, when we have two
> virtual interfaces (for p2p) the firmware can get completely confused by
> a software scan, especially when we were operating as a p2p-GO.
> 
> But isn't this the wrong way around -- shouldn't you be arguing why it
> should be kept and dig out bug reports about the HW scan implementation
> that weren't addressed? ;-)

Hmmm...not so sure about that.  Alan Cox has been quoted as saying
"a maintainer's job is to say no".

I suppose we can argue about this again when you actually try to
remove the option...

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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