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Re: [RFC 2/5] cfg80211: add support to immediately apply reg settings

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On Thu, Nov 24, 2011 at 11:44 AM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
> On Wed, 2011-11-23 at 10:40 -0500, Luis R. Rodriguez wrote:
>> It is useful to apply reguatory settings immediately. We already
>> handle applying regulatory hints immediatey for most hints but
>> for user hints and country IE hints we want to kick hardware
>> immediately to make these changes take effect. This adds supports
>> to let us kick hardware to make the changes take effect as soon
>> as possible.
>
> Can't say I like this -- wouldn't we rather call the regulatory update
> callback or so?

I'm not a fan either, at first I considered doing that on the
reg_notifier() but then that also means every driver must implement a
reg_notifier() callback, or a new reg_apply() callback. If we do it
within cfg80211 it means all drivers get this for free and that was
the tradeoff I wanted to review through these RFCs. Unfortunately
setting the tx power was the only thing I saw cfg80211 could do right
now.

I'm still "meh" about this too.

  Luis
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