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Subject: Re: [RFC 3/8] cfg80211: pass DFS region to drivers through
 reg_notifier()
From: Johannes Berg <johannes@sipsolutions.net>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: linux-wireless@vger.kernel.org
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Date: Fri, 17 Dec 2010 10:50:57 +0100
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On Thu, 2010-12-16 at 19:23 -0800, Luis R. Rodriguez wrote:

>  	/* Lets us get back the wiphy on the callback */
>  	int (*reg_notifier)(struct wiphy *wiphy,
> -			    struct regulatory_request *request);
> +			    struct regulatory_request *request,
> +			    u8 dfs_region);

So does that mean we need to implement a reg_notifier if we want to have
radar detection? Doesn't an empty reg_notifier already alter behaviour
somewhere which would make this not feasible?

johannes