From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from nbd.name ([88.198.39.176]:41387 "EHLO ds10.nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753584Ab0G1WDO (ORCPT ); Wed, 28 Jul 2010 18:03:14 -0400 Message-ID: <4C50A922.3010500@openwrt.org> Date: Thu, 29 Jul 2010 00:03:14 +0200 From: Felix Fietkau MIME-Version: 1.0 To: "Luis R. Rodriguez" CC: Luis Rodriguez , "linux-wireless@vger.kernel.org" , "linville@tuxdriver.com" , Jouni Malinen Subject: Re: [PATCH 2/3] ath9k_hw: clean up per-channel calibration data References: <1280339151-37084-1-git-send-email-nbd@openwrt.org> <1280339151-37084-2-git-send-email-nbd@openwrt.org> <4C509CE1.90503@openwrt.org> <4C50A170.1070902@openwrt.org> <20100728214041.GC8033@tux> In-Reply-To: <20100728214041.GC8033@tux> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2010-07-28 11:40 PM, Luis R. Rodriguez wrote: > On Wed, Jul 28, 2010 at 02:30:24PM -0700, Felix Fietkau wrote: >> My current patch should work just fine with virtual wiphy's, since I >> store the calibration data in the ath_wiphy struct. > > Ah neat, this approach seems fine in the long run then. My only remaining > questions is how effective our scans are in a noisy environemnt with what > I suppose are some default settings? Scans in noisy environments should be fine. The hardware reset kicks off an initial NF calibration that lets the baseband use the result immediately and unfiltered by software. That is much more appropriate than a calibration history of a channel that is almost never used. - Felix