From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Peter De Schrijver
<pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Mike Turquette
<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Prashant Gaikwad
<pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] clk: tegra: PLLE spread spectrum control
Date: Thu, 03 Oct 2013 09:23:55 -0600 [thread overview]
Message-ID: <524D8C0B.90707@wwwdotorg.org> (raw)
In-Reply-To: <20131003105228.GK3973-Rysk9IDjsxmJz7etNGeUX8VPkgjIgRvpAL8bYrjMMd8@public.gmane.org>
On 10/03/2013 04:52 AM, Peter De Schrijver wrote:
> On Tue, Oct 01, 2013 at 09:56:26PM +0200, Stephen Warren wrote:
>> On 09/26/2013 09:34 AM, Peter De Schrijver wrote:
>>> Add spread spectrum control for PLLE in Tegra114.
>>
>> It would be useful to have some description of the end-user-visible
>> benefit of this change; why is it useful?
>
> spread spectrum clocking is a technique to reduce EMI caused by the clock
> signal by modulating the frequency with a low frequency signal. This should
> reduce interference with eg. Wifi or cellular modems on the same board.
Great. The intent of my request was for that information to be included
in the patch description.
next prev parent reply other threads:[~2013-10-03 15:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-26 15:34 [PATCH] clk: tegra: PLLE spread spectrum control Peter De Schrijver
[not found] ` <1380209654-25458-1-git-send-email-pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-01 19:56 ` Stephen Warren
[not found] ` <524B28EA.40702-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-03 10:52 ` Peter De Schrijver
[not found] ` <20131003105228.GK3973-Rysk9IDjsxmJz7etNGeUX8VPkgjIgRvpAL8bYrjMMd8@public.gmane.org>
2013-10-03 15:23 ` Stephen Warren [this message]
2013-10-03 15:35 ` Peter De Schrijver
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