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From: Kalle Valo <kvalo@codeaurora.org>
To: "Rafał Miłecki" <zajec5@gmail.com>
Cc: "Rob Herring" <robh@kernel.org>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
	"Felix Fietkau" <nbd@nbd.name>, "Arnd Bergmann" <arnd@arndb.de>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"Rafał Miłecki" <rafal@milecki.pl>
Subject: Re: [PATCH 1/2] dt-bindings: document common IEEE 802.11 frequency properties
Date: Wed, 04 Jan 2017 16:32:44 +0200	[thread overview]
Message-ID: <874m1ej3oz.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <CACna6rxmgN2zz-Fc1-Uu02oqMQreNkMJt0jGjLOMrXM=6iujFw@mail.gmail.com> (=?utf-8?Q?=22Rafa=C5=82_Mi=C5=82ecki=22's?= message of "Tue, 3 Jan 2017 21:20:49 +0100")

Rafa=C5=82 Mi=C5=82ecki <zajec5@gmail.com> writes:

> On 3 January 2017 at 20:55, Rob Herring <robh@kernel.org> 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 <rafal@milecki.pl>
>>>
>>> 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

WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: "Rafał Miłecki" <zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "Rob Herring" <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"linux-wireless@vger.kernel.org"
	<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Martin Blumenstingl"
	<martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>,
	"Felix Fietkau" <nbd-Vt+b4OUoWG0@public.gmane.org>,
	"Arnd Bergmann" <arnd-r2nGTMty4D4@public.gmane.org>,
	"devicetree@vger.kernel.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Rafał Miłecki" <rafal-g1n6cQUeyibVItvQsEIGlw@public.gmane.org>
Subject: Re: [PATCH 1/2] dt-bindings: document common IEEE 802.11 frequency properties
Date: Wed, 04 Jan 2017 16:32:44 +0200	[thread overview]
Message-ID: <874m1ej3oz.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <CACna6rxmgN2zz-Fc1-Uu02oqMQreNkMJt0jGjLOMrXM=6iujFw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (=?utf-8?Q?=22Rafa=C5=82_Mi=C5=82ecki=22's?= message of "Tue, 3 Jan 2017 21:20:49 +0100")

Rafał Miłecki <zajec5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> On 3 January 2017 at 20:55, Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
>> On Wed, Dec 28, 2016 at 04:59:54PM +0100, Rafał Miłecki wrote:
>>> From: Rafał Miłecki <rafal-g1n6cQUeyibVItvQsEIGlw@public.gmane.org>
>>>
>>> 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?

-- 
Kalle Valo

  reply	other threads:[~2017-01-04 14:33 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-28 15:59 [PATCH 1/2] dt-bindings: document common IEEE 802.11 frequency properties Rafał Miłecki
2016-12-28 15:59 ` Rafał Miłecki
2016-12-28 15:59 ` [PATCH 2/2] cfg80211: reg: support ieee80211-(min|max)-center-freq DT properties Rafał Miłecki
2016-12-28 15:59   ` Rafał Miłecki
2016-12-28 21:07   ` Arend van Spriel
2016-12-28 21:07     ` Arend van Spriel
2016-12-28 21:28     ` Rafał Miłecki
2016-12-28 21:28       ` Rafał Miłecki
2016-12-28 21:30       ` Rafał Miłecki
2016-12-28 21:30         ` Rafał Miłecki
2016-12-29  8:57         ` Arend van Spriel
2016-12-29  8:57           ` Arend van Spriel
2016-12-29  9:43           ` Rafał Miłecki
2016-12-29  9:43             ` Rafał Miłecki
2016-12-30 20:20             ` Arend van Spriel
2016-12-30 20:20               ` Arend van Spriel
2016-12-30 21:37               ` Rafał Miłecki
2016-12-30 21:37                 ` Rafał Miłecki
2016-12-28 20:05 ` [PATCH 1/2] dt-bindings: document common IEEE 802.11 frequency properties Arend van Spriel
2016-12-28 20:05   ` Arend van Spriel
2016-12-28 20:32   ` Rafał Miłecki
2016-12-28 20:32     ` Rafał Miłecki
2016-12-28 20:39     ` Martin Blumenstingl
2016-12-28 20:39       ` Martin Blumenstingl
2016-12-28 20:43       ` Rafał Miłecki
2016-12-28 20:43         ` Rafał Miłecki
2016-12-28 21:35 ` Felix Fietkau
2016-12-28 21:35   ` Felix Fietkau
2016-12-28 22:22   ` Rafał Miłecki
2016-12-28 22:22     ` Rafał Miłecki
2017-01-03 19:55 ` Rob Herring
2017-01-03 19:55   ` Rob Herring
2017-01-03 20:20   ` Rafał Miłecki
2017-01-03 20:20     ` Rafał Miłecki
2017-01-04 14:32     ` Kalle Valo [this message]
2017-01-04 14:32       ` Kalle Valo
2017-01-04 14:53       ` Rafał Miłecki
2017-01-04 14:53         ` Rafał Miłecki
2017-01-04 19:53         ` Arend Van Spriel
2017-01-04 19:53           ` Arend Van Spriel

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