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Re: [PATCH 09/13] mac80211: remove hw_scan callback

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On Fri, 2007-04-27 at 17:22 +0200, Johannes Berg wrote:
> On Fri, 2007-04-27 at 16:16 +0100, Andy Green wrote:
> 
> > Yeah but this isn't "in hardware" -- it's in firmware: software that
> > runs of a different, vendor-specific, CPU.
> 
> [...]
> 
> Guys, this discussion is deteriorating rapidly!
> 
> The diff to rip out the hw_scan callback is tiny, and since it'd need to
> be worked on anyway to add notification when scanning is done, IMHO it
> is little more work to remove the scan now and add it back in one patch
> including the notification. That just pushes the problem back to those
> people who want/need it and then they can decide if it's worth the
> effort and if they can show that it brings enough advantages.

This discussion has made it pretty clear that if hw_scan ever goes out,
it's going to be really difficult to get it back _in_ at all, even if it
works.

Dan

> The current cfg80211 scanning API is pretty much modeled on the 802.11
> MLME interface and as such should be easy to push through to the
> firmware if necessary, even through mac80211.
> 
> johannes

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