Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:58350 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936375AbdADOdn (ORCPT ); Wed, 4 Jan 2017 09:33:43 -0500 From: Kalle Valo To: =?utf-8?Q?Rafa=C5=82_Mi=C5=82ecki?= Cc: Rob Herring , "linux-wireless\@vger.kernel.org" , Martin Blumenstingl , Felix Fietkau , Arnd Bergmann , "devicetree\@vger.kernel.org" , =?utf-8?Q?Rafa=C5=82_Mi=C5=82ecki?= Subject: Re: [PATCH 1/2] dt-bindings: document common IEEE 802.11 frequency properties References: <20161228155955.25518-1-zajec5@gmail.com> <20170103195514.vf4psb6qw2bd2lcw@rob-hp-laptop> Date: Wed, 04 Jan 2017 16:32:44 +0200 In-Reply-To: (=?utf-8?Q?=22Rafa=C5=82_Mi=C5=82ecki=22's?= message of "Tue, 3 Jan 2017 21:20:49 +0100") Message-ID: <874m1ej3oz.fsf@kamboji.qca.qualcomm.com> (sfid-20170104_153724_409612_F9D125CC) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Rafa=C5=82 Mi=C5=82ecki writes: > On 3 January 2017 at 20:55, Rob Herring wrote: >> On Wed, Dec 28, 2016 at 04:59:54PM +0100, Rafa=C5=82 Mi=C5=82ecki wrote: >>> From: Rafa=C5=82 Mi=C5=82ecki >>> >>> This new file should be used for properties handled at higher level and >>> so usable with all drivers. >> >> Why is this needed? Where would this data normally come from? > > Vendors limit choice of channels at their web user interface level. I > want to do better and report proper channels directly at kernel level > instead of masking them in every possible configuration tool. Why do vendors limit the channels? Is it because of a hardware limitation (antenna does not support, or not calibrated, for a certain band etc) or something else? --=20 Kalle Valo